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1

Evolution of the microstructure and mechanical properties of Sanicro 25 austenitic stainless steel after long-term ageing

Sroka M., Zieliński A., Golański G., Pawlyta M., Purzyńska H., Novy F.

Archives of Civil and Mechanical Engineering

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2023

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Vol. 23, no. 3

art. no. e149, 2023

EN

A newly developed heat-resistant austenitic steel, Sanicro 25 is currently considered the leading candidate material for an advanced ultra-supercritical installation. The test material was subjected to long-term ageing (up to 30,000 h) at 700 and 750 °C, after which investigations into the microstructure, identification of precipitates, and testing of mechanical properties were conducted. Sanicro 25 had an austenitic microstructure with annealed twins and numerous large primary NbX and Z-phase precipitates in the as-received condition. It was found that the long-term ageing of the steel resulted in numerous precipitation processes. For example, M23C6 carbides, Laves, σ and G phases occurred at the grain boundaries. However, Z-phase precipitates, ε_Cu particles, and Laves phase were observed inside the grains. At the same time, compound complexes of precipitates based on the primary Z-phase precipitates were revealed in the microstructure. The ageing process increased the particle size of M23C6 carbides and the σ phase. After longer ageing times, a precipitate-free zone (PFZ) near the grain boundaries was observed. The precipitation processes initially lead to an increase in the strength properties of the steel. However, after 5000 h, an over-ageing effect was observed at 750 °C, which was not observed at 700 °C.

2

Metallurgical analysis of the causes of failure of the hardening furnace conveyor belt

Merda A., Klimaszewska K., Sroka M., Golański G.

Archives of Materials Science and Engineering

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2019

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Vol. 98, nr 2

68--73

EN

Purpose: The aim of the tests was to analyze the microstructure and mechanical properties of a section of the hardening furnace conveyor belt serviced at the temperature of 880-920°C in the carburizing atmosphere, in the context of determining the probable causes of its failure. Design/methodology/approach: The scope of performed tests included: chemical composition analysis of the steel and particles, microstructure investigated using optical and scanning electron microscopy, X-ray phase analysis. Findings: The analysis of the chemical composition showed that the examined material was austenitic steel X15CrNiSi25-21 (S310). Performed metallurgical tests showed that after the service the examined steel was characterized by austenitic structure with numerous precipitates of diverse morphology. In the structure the sigma phase particles and probably the M23C6 carbides precipitates were observed. The continuous grid of precipitates on the boundaries of grains (mainly the sigma phase) and the influence of the cyclic changing heat loads (or thermo-mechanical loads) were the main causes of failure of the analysed detail. Research limitations/implications: The aim of the work was to determine the probable causes of damage of the material used for a conveyor belt of a hardening furnace. Practical implications: The results of investigation and analysis of the metallographic of het-resisting austenitic steel X15CrNiSi25-21 (S310) after service at the temperature of 880-920°C are presented. Originality/value: The paper presents the results of research on the microstructure and mechanical properties of the section of hardening furnace conveyor belt made of creepresisting austenitic steel. The aim of the performed tests was to determine the probable causes of damage of the analysed detail.

3

Perceiving the advertising in gender-generational characteristics

Bačík R., Fedorko R., Rigelský M., Sroka M., Turáková A.

Polish Journal of Management Studies

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2018

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Vol. 18, No. 1

44--57

EN

As a primary objective of this study, data were evaluated in the areas of advertising perception and the relationship between gender-generational characteristics was pointed out (generation Y and Z), moreover the selected types of advertising were mentioned. The types of advertising (advertising on TV, social networks, etc.) can acquire various forms (most annoying, most trusted, etc.) in gender-generational characteristics, which can affect the reputation of the organization. The data were obtained through a questionnaire research. The sample consisted of 296 responses. The data collection was implemented in early 2018. A significant difference was found in the perception of advertising in all dimensions among the categories of gender-generational characteristics except the 'most memorable'. Differential analysis was carried out, where significant differences occurred in a number of cases. Furthermore, a correspondent analysis was applied, in which the areas of perceptions of advertising had shown very close relations in several cases. The disadvantage of the research is that it is realized only in Slovakia.

PL

Jako główny cel tego badania oceniono dane w zakresie postrzegania reklamy oraz wskazano związek między cechami pokoleniowo-płciowymi (pokolenie Y i Z), ponadto wymieniono wybrane rodzaje reklamy. Rodzaje reklam (reklama w telewizji, portale społecznościowe itp.) mogą przybierać różne formy (najbardziej irytujące, najbardziej godne zaufania, itp.) w cechach płciowych, które mogą wpływać na reputację organizacji. Dane uzyskano za pomocą badań ankietowych. Próbka składała się z 296 odpowiedzi. Gromadzenie danych zostało wdrożone na początku 2018 r. Znaczącą różnicę stwierdzono w postrzeganiu reklamy we wszystkich wymiarach wśród kategorii cech pokoleniowych, z wyjątkiem "najbardziej zapadających w pamięć". Przeprowadzono analizę różnicową, w której znaczące różnice wystąpiły w wielu przypadkach. Ponadto zastosowano analizę korespondencyjną, w której obszary percepcji reklamy w kilku przypadkach wykazywały bardzo bliskie relacje. Wada badań polega na tym, że jest ona realizowana tylko na Słowacji.

4

Microstructure and mechanical properties of the Sanicro 25 steel after ageing

Merda A., Sroka M., Klimaszewska K., Golański G.

Journal of Achievements in Materials and Manufacturing Engineering

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2018

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Vol. 91, nr 1

5--11

EN

Purpose: The purpose of the research was to determine and analyse the changes in the microstructure and mechanical properties of the Sanicro 25 steel in the as-received condition and after ageing at 600, 650 and 700°C for up to 10,000 hours. Design/methodology/approach: The scope of the investigations included: microstructural investigation – SEM microscopy, analysis of precipitation performed using TEM microscopy, investigation of mechanical properties, Vickers hardness measurement. Findings: In the as-received condition, the Sanicro 25 steel was characterised by austenitic microstructure with annealing twins and numerous primary precipitates. The analysis of Sanicro 25 steel microstructure after ageing at 600 and 700°C for up to 10,000 hours revealed significant changes in the microstructure consisting mainly in a tendency to create unfavourable morphology of secondary precipitates – M23C6 carbides that form continuous carbide systems along the grain boundaries. The observations have shown that during long-term ageing the secondary carbides were also precipitated inside the grains and at the interface of three grain boundaries – σ phase. Research limitations/implications: The analysis of the microstructure of the examined steel using SEM and TEM was performed to determine the influence of ageing on the processes of changes in the precipitate morphology. Practical implications: The results obtained based on the performed research constitute a building block for the degradation characteristics of the microstructure and mechanical properties of the 23/25-type austenitic steels. Originality/value: The results of the investigation and analysis of the metallographic and mechanical properties of the Sanicro25 austenitic steel in as-received condition and after ageing are presented.

5

Właściwości i mikrostruktura złącza spawanego stali Sanicro 25 po starzeniu

Zieliński A., Sroka M., Golański G., Hernas A.

Hutnik, Wiadomości Hutnicze

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2018

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Vol. 85, nr 10

344--348

PL

Stal Sanicro 25 ma zastosowanie w budowie elementów ciśnieniowych kotłów o nadkrytycznych i ultra super nadkrytycznych parametrach pracy. W pracy zaprezentowano wyniki badań właściwości mechanicznych i mikrostruktury jednoimiennego złącza spawanego stali Sanicro 25 po starzeniu do 10 000 godzin w temperaturze 750°C. Badania mikrostruktury przeprowadzono wykorzystując skaningową mikroskopię elektronową. Opisano wpływ czasu starzenia na zmiany mikrostruktury i proces wydzieleniowy w materiale rodzimym strefie wpływu ciepła i w spoinie, które odniesiono do zmian podstawowych właściwości mechanicznych. Zaprezentowane wyniki badań stanowią element charakterystyk materiałowych stopów nowej generacji, które wykorzystane są w pracach projektowych urządzeń ciśnieniowych kotłów parowych oraz w pracach diagnostycznych podczas eksploatacji.

EN

Sanicro 25 steel is used in the construction of pressure elements of supercritical and ultra supercritical performance boilers. The paper presents the results of investigations of mechanical properties and microstructure after aging up to 10,000 hours at a temperature of 750°C. Microstructure research was performed using scanning electron microscopy. The influence of aging time on the changes of microstructure and the precipitation process in the parent material, heat affected zone and weld, which were referred to the changes of basic mechanical properties was described. The presented research results are an element of the material characteristics of the new generation alloys, which are used in the design work of pressure devices of steam boilers and in diagnostic work during operation.

6

Analiza zmian mikrostuktury stali SANICRO 25 po długotwałym starzeniu

Sroka M., Zieliński A., Golański G.

Hutnik, Wiadomości Hutnicze

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2018

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Vol. 85, nr 10

355--358

PL

W pracy przeprowadzono analizę zmian mikrostruktury i procesów wydzieleniowych faz wtórnych dla austenitycznej stali Sanicro 25 (22Cr25NiWCoCu). Badany materiał poddany był długotrwałemu starzeniu w czasie do 20 000 h w temperaturze 700 i 750°C. W początkowym okresie starzenia obserwowano wydzielanie licznych, bardzo drobnych węglików chromu typu M23C6 oraz fazy Lavesa. Po długotrwałym starzeniu w zależności od temperatury ujawniono występowanie faz wtórnych: M23C6, MX, NbCrN, fazy Lavesa oraz fazy σ. Uzyskane wyniki badań stanowią element charakterystyk materiałowych wykorzystywanych w ocenie trwałości eksploatacyjnej elementów części ciśnieniowej kotłów energetycznych.

EN

The paper presents the analysis of microstructure changes and secondary phase separation processes for austenitic Sanicro 25 steel (22Cr25Ni- WCoCu). The tested material was subjected to long-term aging for up to 20,000 hours at 700 and 750°C. In the initial period of aging, the formation of numerous, very fine M23C6 chromium carbides and the Laves phase was observed. After prolonged aging, depending on temperature, the occurrence of secondary phases M23C6, MX, NbCrN, Laves phase and phase was revealed. The obtained test results are an element of the material characteristics used in the assessment of the service life of elements of the pressure part of power boilers.

7

Residual Life of Boiler Pressure Parts Made of the 13CrMo4-5 Steel after Long-Term Operation in a Creep Conditions

Dziuba-Kałuża M., Zieliński A., Dobrzański J., Sroka M., Urbańczyk P., Śliwa A.

Archives of Metallurgy and Materials

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2018

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Vol. 63, iss. 2

889--897

EN

This paper presents the method for determination of the time of further safe service for welded joints of boiler components after exceeding the design work time. The evaluation of the life of the parent material and its welded joints was performed. Microstructure investigations using a scanning electron microscope, investigations of strength properties, impact testing, hardness measurements and abridged creep tests of the basic material and welded joints were carried out. The investigations described in this paper allowed the time of further safe service of the examined components made of 13CrMo4-5 steel to be determined. The method for determination of the time of safe service of boiler components working under creep conditions allows their operation beyond the design service life. The obtained results of investigations are part of the materials database developed by the Institute for Ferrous Metallurgy.

8

Analysis of the microstructure and properties of T92 steel after long-term service

Merda A., Klimaszewska K., Sroka M., Wieczorek P, Golański G.

Archives of Materials Science and Engineering

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2018

|

Vol. 93, nr 1

5--11

EN

Purpose: The purpose of the investigation was to determine and analyse the changes in the microstructure and mechanical properties of the T92 steel after service in creep conditions of the following parameters: temperature – 575°C, pressure – 28.2 MPa, service time – 41914 hrs. Design/methodology/approach: The tests were performed on the test samples taken from a pipe section of a steam superheater after long-term service. The range of the investigations included: microstructural investigation – the optical and SEM microscopy, the analysis of precipitation – carbide isolates, the investigation of mechanical properties: the Vickers hardness measurement, the impact test and static tensile test. Findings: The performed tests showed a slight degree of exhaustion of the structure of the analysed T92 steel. The relatively small changes in the microstructure of the examined steel were reflected in the still retained high mechanical properties. Research limitations/implications: he analysis of the microstructure of the examined steel using SEM was performed to determine the influence of the service on the processes of changes in the precipitate morphology. Practical implications: The metal science investigation of the sections taken from the elements of the power installations after long-term service is one of the basic elements of building the data base of materials and their joints used in the power industry. The results obtained from the performed research constitute a building block for the degradation characteristics of the microstructure and mechanical properties of martensitic steels of the 9-12%Cr type. Originality/value: The results of investigation and analysis of the metallographic and mechanical properties of martensitic T92 steel after long-term service are presented.

9

Career management : short analysis regarding interest on employment fields among youths

Dragolea L., Grondys K., Sroka M.

Polish Journal of Management Studies

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2017

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Vol. 16, No. 2

62--73

EN

In the present paper the authors address the importance of forward-thinking in terms of career management among youths. Because the youth - perceived as a central section of the future evolution - must develop both in terms of personal and professional features, the authors approached aspects regarding youths’ interest on employment fields and their propensity towards future development. The study approached within the present paper was carried out through “Be active, get involved!” project, which took place between 2015 and 2016; the study itself represent a subaction of “Career counselling and guidance” activity carried out within the project.This article provides to readers the opportunity to create a picture regarding youths’ propensity to early career management and their interest on future employment fields.

PL

W niniejszym artykule autorzy zwracają uwagę na znaczenie myślenia przyszłościowego w zakresie zarządzania karierą wśród młodzieży. Ponieważ młodzież - postrzegana jako centralna część przyszłej ewolucji - musi rozwijać się zarówno pod względem cech osobistych, jak i zawodowych, autorzy podeszli do aspektów dotyczących zainteresowania młodzieży dziedzinami zatrudnienia i ich skłonnością do przyszłego rozwoju. Badanie, którego dotyczyła niniejsza praca, zostało zrealizowane poprzez projekt "Bądź aktywny, angażuj się!", który miał miejsce w latach 2015-2016; samo badanie stanowi część działania "poradnictwa i doradztwa zawodowego" realizowanego w ramach projektu. Artykuł ten zapewnia czytelnikom możliwość stworzenia obrazu dotyczącego skłonności młodzieży do wczesnego zarządzania karierą i zainteresowania przyszłymi obszarami zatrudnienia.

10

The service life of the repair welded joint of Cr-Mo / Cr-Mo-Y

Sroka M., Zieliński A., Mikuła J.

Archives of Metallurgy and Materials

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2016

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Vol. 61, iss. 3

1315--1320

EN

The service life of the repair welded joint of Cr-Mo / Cr-Mo-Y This paper presents the evaluation of the service life of dissimilar repair welded joint from Cr-Mo/Cr-Mo-V steel after 200,000 h service under creep condition. The investigations of microstructure using scanning electron microscopy, investigations of mechanical properties at room and elevated temperature as well as creep tests of the basic material from Cr-Mo and Cr-Mo-V steel and welded joint from these steels were carried out. The investigations allowed the tune of further safe operation of the repair welded joint in relation to the residual life of the materials to be determined. The evaluation of residual life and disposable residual life, and thus the estimation or determination of possible time of further safe operation, is crucial when the elements are operated much beyond the design work time.

11

The Effect of Long-Term Impact of Elevated Temperature on Changes in Microstructure and Mechanical Properties of HR3C Steel

Zieliński A., Sroka M., Hernas A., Kremzer M.

Archives of Metallurgy and Materials

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2016

|

Vol. 61, iss. 2A

761--766

EN

The HR3C is a new steel for pressure components used in the construction of boilers with supercritical working parameters. In the HR3C steel, due to adding Nb and N, the compounds such as MX, CrNbN and M23C6 precipitate during service at elevated temperature, resulting in changes in mechanical properties. This paper presents the results of microstructure investigations after ageing at 650, 700 and 750°C for 5,000 h. The microstructure investigations were carried out using scanning and transmission electron microscopy. The qualitative and quantitative identification of the existing precipitates was carried out using X-ray analysis of phase composition. The effect elevated temperature on microstructure and mechanical properties of the examined steel was described.

12

Forecasting the Particle Diameter Size Distribution in P92 (X10CrWMoVNb9-2) Steel After Long-Term Ageing at 600 and 650°C

Zieliński A., Sroka M., Miczka M., Śliwa A.

Archives of Metallurgy and Materials

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2016

|

Vol. 61, iss. 2A

753--760

EN

The investigations on microstructure of P92 steel in the as-received condition and after 105h ageing at 600 and 650°C were carried out. For the recorded images of microstructure, the quantitative analysis of precipitates was performed. On that basis, a statistical analysis of collected data was made with the aim of estimating parameters of selected theoretical statistical distribution. Then, the forecast for average precipitate diameter and standard deviation of such a distribution for the time of 1,5*105h at 600 and 650°C was calculated. The obtained results of investigations confirm the possibility of using, in evaluation of degradation degree for materials in use, the forecasting methods derived from mathematical statistics, in particular the theory of stochastic processes and methods of forecasting by analogy.

13

Finite Element Prediction for the Internal Stresses of (Ti,Al)N Coatings

Żukowska L. W., Śliwa A., Mikuła J., Bonek M., Kwaśny W., Sroka M., Pakuła D.

Archives of Metallurgy and Materials

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2016

|

Vol. 61, iss. 1

149--152

EN

The general topic of this paper is the computer simulation with use of finite element method (FEM) for determining the internal stresses of selected gradient and single-layer PVD coatings deposited on the sintered tool materials, including cemented carbides, cermets and Al2O3+TiC type oxide tool ceramics by cathodic arc evaporation CAE-PVD method. Developing an appropriate model allows the prediction of properties of PVD coatings, which are also the criterion of their selection for specific items, based on the parameters of technological processes. In addition, developed model can to a large extent eliminate the need for expensive and time-consuming experimental studies for the computer simulation. Developed models of internal stresses were performed with use of finite element method in ANSYS environment. The experimental values of stresses were calculated using the X-ray sin2ψ technique. The computer simulation results were compared with the experimental results. Microhardness and adhesion as well as wear range were measured to investigate the influence of stress distribution on the mechanical and functional properties of coatings. It was stated that occurrence of compressive stresses on the surface of gradient coating has advantageous influence on their mechanical properties, especially on microhardness. Absolute value reduction of internal stresses in the connection zone in case of the gradient coatings takes profitably effects on improvement the adhesion of coatings. It can be one of the most important reasons of increase the wear resistance of gradient coatings in comparison to single-layer coatings.

14

Creep Resistance of VM12 Steel

Zieliński A., Golański G., Dobrzański J., Sroka M.

Archives of Metallurgy and Materials

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2016

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Vol. 61, iss. 3

1635--1640

EN

This article presents selected material characteristics of VM12 steel used for elements of boilers with super- and ultra-critical steam parameters. In particular, abridged and long-term creep tests with and without elongation measurement during testing and investigations of microstructural changes due to long-term impact of temperature and stress were carried out. The practical aspect of the use of creep test results in forecasting the durability of materials operating under creep conditions was presented. The characteristics of steels with regard to creep tests developed in this paper are used in assessment of changes in functional properties of the material of elements operating under creep conditions.

15

Abrasive wear of AlSi12-Al2O3 Composite materials manufac tired by pressure infiltration

Kremzer M., Dziekońska M., Sroka M., Tomiczek B.

Archives of Metallurgy and Materials

|

2016

|

Vol. 61, iss. 3

1255-1260

EN

The aim of this study is to investigate tribological properties of EN AC-AlSi12 alloy composite materials matrix manufactured by pressure infiltration of Al2O3 porous preforms. In the paper, a technique of manufacturing composite materials was described in detail as well as wear resistance made on pin on disc was tested. Metallographic observations of wear traces of tested materials using stereoscopic and confocal microscopy were made. Studies allow concluding that obtained composite materials have much better wear resistance than the matrix alloy AlSil2. It was further proved that the developed technology of their preparation consisting of pressure infiltration of porous ceramic preforms can find a practical application.

16

The evaluation of suitability for operation of repair low-alloy steel welded joints

Dziuba-Kałuża M., Zieliński A., Jasiński A., Sroka M., Dobrzański J., Linek T.

Archives of Materials Science and Engineering

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2016

|

Vol. 78, nr 2

78--86

EN

Purpose: The purpose of the work was to evaluate the material condition of repair welded joints of steam pipelines with regard to their suitability for operation including determination of the time of their further safe operation. Design/methodology/approach: The following was carried out: microstructure investigations using scanning electron microscopy, investigations on mechanical properties at room and elevated temperatures, determination of the fracture appearance transition temperature based on impact tests. The abridged creep tests without measurement of elongation during test were carried out to determine the material’s residual life. Findings: The time of safe operation was determined for welded joints made in 14MoV63 steel after long-term service and 14MoV63 steel after long-term service and in the as-received condition. Practical implications: The applied methodology and the adopted procedures are used in evaluating the condition and forecasting further operation of new repair welded joints for the pressure part components of power equipment working under creep conditions. Originality/value: The obtained results of investigations will be the elements of materials characteristics worked out by the Institute for Ferrous Metallurgy for the steels and welded joints made in them to work under creep conditions.

17

Microstructure and mechanical properties of HR3C austenitic steel after service

Golański G., Kolan C., Zieliński A., Klimaszewska K., Merda A., Sroka M., Kłosowicz J.

Archives of Materials Science and Engineering

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2016

|

Vol. 81, nr 2

62--67

EN

Purpose: The purpose of the investigations was to determine changes in the microstructure and mechanical properties of HR3C creep resisting austenitic steel after service. Design/methodology/approach: The investigations were performed on test specimens taken from a part of the steam superheater tube. The range of the investigations included: microstructural investigations - light and SEM microscope; analysis of precipitates - carbide isolates; investigations of mechanical properties - hardness measurement, static tensile test, impact test. Findings: The precipitation processes at the grain boundaries lead to increase in intergranular corrosion of the HR3C steel resulting in loss of grains in the structure. The impact strength testing on test specimens with reduced width may result in overestimation of crack resistance of the material after service. Research limitations/implications: The comprehensive analysis of precipitation processes requires TEM examinations. Finding the correlation between the impact strength determined on standard vs. non-standard test specimens with reduced width. Practical implications: The obtained results of investigations are used in industrial practice for diagnosis of pressure parts of power boilers. Test procedures developed based on comprehensive materials testing conducted under laboratory conditions are used in upgrading and design of pressure parts of steam boilers. The results of investigations are also the element of database of the materials characteristics of steels and alloys as well as welded joints made of them working under creep conditions developed by the Institute for Ferrous Metallurgy. Originality/value: The results and analysis of the investigations of microstructure and mechanical properties of HR3C steel after service under actual boiler conditions are presented.

18

Forecasting in the presence of microstructural changes for the case of P91 steel after long-term ageing

Zieliński A., Miczka M., Boryczko B., Sroka M.

Archives of Civil and Mechanical Engineering

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2016

|

Vol. 16, no. 4

813--824

EN

The statistical analysis of experimental data was presented and the precipitate diameter forecast for selected steel grade was developed in this paper. The investigations of changes in the material microstructure were carried out under high-temperature conditions. Therefore, this material was characterised by increasing instability over time. Long-term ageing tests were carried on P91 steel for 103, 104, 3 × 104 and 7 × 104 h at 600 and 650 °C. The recorded microstructure images allowed the quantitative analysis of precipitates that occur mainly at the former austenite grain boundaries and martensite laths. The statistical distribution forecast was developed for the ageing time of 105 h. The forecasting under the conditions of material structure changes requires repealing classic assumptions adopted in the theory of prediction. Such methodology was proposed in this article. This article is the basis for the development of further research in this field. The proposed methodology can be used for diagnostic purposes and in the equipment failure risk assessment.

19

Residual life of the (15HM) 13CrMo4-5 steel after 250 000 h service demonstrating internal damages in the form of voids

Dziuba-Kałuża M., Zieliński A., Dobrzański J., Sroka M.

Archives of Materials Science and Engineering

|

2015

|

Vol. 73, nr 1

25--32

EN

Purpose: The purpose of the paper was to evaluate the material condition of the (15HM) 13CrMo4-5 steel after 250 000 h service under creep conditions demonstrating internal damages in the form of voids. Design/methodology/approach: The investigations of microstructure using the scanning electron microscopy and investigations of mechanical properties at room and elevated temperature were carried out. The brittle fracture appearance transition temperature was determined based on impact tests. Findings: The influence of long-term service under creep conditions on mechanical properties and structure degradation of 13CrMo4-5 steel was determined. Practical implications: The applied methodology and adopted practice will be used for evaluation of condition and estimation of further operation of elements in the pressure part of power equipment working under creep conditions. Originality/value: The obtained results of investigations are the elements of material characteristics developed by the Institute for Ferrous Metallurgy in Gliwice (Poland) for steels working under creep conditions.

20

Functioning of academic career centres in Polish schools of higher education

Sroka M.

Polish Journal of Management Studies

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2014

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Vol. 10, No. 1

135--144

EN

The article presents the range of career centres’ functioning in schools of higher education in Poland. It describes main fields of their activity and compares them to foreign career centres. In the research part the study includes the analysis of students’ expectations as regards the form and range of career centres’ functioning as well as their activity in the selected university. Finally, the author attempts to determine the main directions of career centres’ functioning to meet students’ expectations and the situation on the labour market.

PL

W artykule przedstawiono zakres funkcjonowania akademickich biur karier na uczelniach wyższych w Polsce. Określono główne obszary ich działalności oraz porównano je z biurami karier na uczelniach zagranicznych. W części badawczej przeprowadzono analizę oczekiwań studentów, co do zakresu i formy działań oraz aktywności akademickiego biura karier na wybranej uczelni wyższej. Podjęto również próbę określenia głównych kierunków funkcjonowania akademickich biur karier odpowiadających oczekiwaniom studentów oraz sytuacji na rynku pracy.