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Przegrody pionowe w technologii tradycyjnej budownictwa jednorodzinnego w aspekcie inwestorów

Drozd Wojciech, Kołbon Mikołaj

Przegląd Budowlany

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2024

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R. 95, nr 1-2

101--104

PL

W artykule poruszono problematykę wyboru technologii wznoszenia budynku mieszkalnego, jednorodzinnego z punktu widzenia inwestorów. Przedstawiono w nim wyniki badania ankietowego, umożliwiające poznanie obecnych tendencji panujących wśród tych uczestników inwestycyjnego procesu budowlanego.

EN

The article discusses the issue of choosing the technology for constructing a residential, single-family building from the point of view of investors. It presents the results of the survey, enabling us to learn about the current trends among these participants in the construction investment process.

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Fenomeny ognia. Wanda Golakowska i cztery dekady Pracowni Ceramiki na Akademii Sztuk Pięknych w Warszawie

Wolska-Pabian Karolina

Szkło i Ceramika

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2023

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R. 74, nr 3

39--43

PL

Artykuł przedstawia postać Wanady Golakowskiej, niedocenionej artystki, ceramiczki, uczennicy i następczyni Karola Tichego na stanowisku kierownika pracowni ceramiki na Akademii Sztuk Pięknych w Warszawie. Golakowska pracowała na uczelni niespełna 40 lat. Pracę na stanowisku młodszego asystenta rozpoczęła w 1933 r. jeszcze jako studentka, od 1935 r. była starszym asystentem, a w przededniu wybuchu wojny, w czerwcu 1939 r., Rada Profesorów przyjęła jej nominację na stanowisko docenta. Od razu po zakończeniu wojny Wanda Golakowska wróciła do pracy i kierowała pracownią ceramiki do 1971 r. W swojej twórczości skupiała się przede wszystkim na szkliwach redukcyjnych. Często pokrywała szkliwami naczynia wykonane przez swoich kolegów i studentów. Jej osiągnięciem były szkliwa „tłuste” o charakterystycznej półbłyszczącej powłoce. Niewielka ilość przypisywanych jej prac znajduje się w zbiorach muzeów i kolekcjach prywatnych.

EN

The article presents the character of Wanada Golakowska, an underestimated artist, ceramicist, student, and successor of Karol Tichy as the head of the ceramics studio at the Academy of Fine Arts in Warsaw. Golakowska worked at the university for almost 40 years. She started working as a junior assistant in 1933 while being still a student, from 1935 she was a senior assistant, and on the eve of the outbreak of war, in June 1939, the Council of Professors accepted the nomination for the position of the associate professor. Immediately after the end of the war, Wanda Golakowska returned to work and managed the ceramics studio until 1971. In her work, she focused primarily on reduction glazes. She often glazed dishes made by her colleagues and students. Her achievement was "oily" glazes with a characteristic semi-gloss coating. A small number of her works are in possession of museums and private collections.

3

Application of Simulation Technique for Improving Plant Layout in Ceramic Factory

Kasemset Chompoonoot, Opassuwan Takron, Tangsittikhun Thanakit, Chaiyajina Nititada

Production Engineering Archives

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2023

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Vol. 29, Iss. 2

186-194

EN

This study aims to design and improve the plant layout of a ceramic factory by adopting Systematic Layout Planning (SLP) and the simulation technique. A ceramic company in northern Thailand is selected as a case study. Three ceramic products including roof tiles, wall tiles and dishware are studied due to their highest production volume. Through the SLP approach, information regarding the number of departments and machines, the area of the plant, the frequency of movement and the distance between each department is collected for the analysis of the relationship between departments. Two plant layout designs are then proposed; the first one is derived from the Computerized Relationship Layout Planning algorithm (CORELAP), and the second one is the process layout. For selecting the most appropriate layout design, five criteria are considered including total distance, the average total process time of each unit produced, ease of movement, material flow and safety. To determine the distance and the average total process time per unit, Distance-Based Scoring and simulation techniques are conducted while the ease of movement, material flow and safety are rated based on whether the company satisfies each criterion. Employing the weight scoring technique, the results report that the CORELAP layout is the most suitable for further implementation due to its highest weighted score equal to 2.536 while the process layout receives 2.386. Implementing the CORELAP layout can reduce the total distance by 16.76% while the average total process time per unit of the CORELAP layout is not significantly different at the significance level of 0.05 as compared to the existing layout.

4

Nurt ekologiczny w polskim dizajnie po 1989 roku

Rut Michał

Inżynieria i Budownictwo

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2023

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R. 79, nr 1-2

70--74

PL

Artykuł składa się z dwóch części. W pierwszej części wskazano na przemiany, jakim ulega projektowanie w dobie kurczących się zasobów i degradacji środowiska. Odniesiono się nie tylko do kwestii zrównoważonego rozwoju, ale również wskazano na rolę nauk humanistycznych w kreowaniu postaw proekologicznych oraz na zjawiska artystyczne mające wpływ na oblicze współczesnego dizajnu. W części drugiej omówiono charakterystyczne projekty podejmujące tematykę ekologiczną w polskim dizajnie po 1989 roku. Usystematyzowano je podług kwestii technologicznych, źródeł inspiracji, zastosowanych form i sposobów komunikacji.

EN

The paper consists of two parts. The first one focuses on the changes that design undergoes in the era of scarce resources and environmental degradation. Not only does it make a reference to the issue of sustainable development but it also points to the role of humanities in creating pro ecological attitudes of society and the artistic phenomena influencing the face of contemporary design. The second part discusses the characteristic projects dealing with ecological issues in Polish design after 1989. They have been systematised according to technological categories, sources of inspiration, used forms and methods of communication.

5

Investigation of antibacterial properties of ceramic substrates coated with calcium phosphate and polymeric nanoparticles loaded with antibiotics

Marszałek Anna, Pudełko-Prażuch Iwona, Krok-Borkowicz Małgorzata

Engineering of Biomaterials

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2023

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vol. 26, no. 169

11--17

EN

This study investigates a biomimetic method of deposition of bioactive calcium phosphate (CaP) layers on zirconium oxide substrates (ZrO2). The substrates contained polymer nanoparticles of poly(L-lactide-co-glycolide) (PLGA) obtained using the double emulsion method with solvent evaporation. Three antibiotics were encapsulated within the nanoparticles: bacitracin, gentamicin sulphate, and hydrophobic gentamicin, prepared with the use of the ion pairing method. Nanoparticles were immobilized on the substrates using the drop casting or the co-deposition method. The microstructure of the layers and the distribution of the nanoparticles were assessed by scanning electron microscopy. The nanoparticles size and their zeta potential were measured using the dynamic light scattering method. The release of drugs over time was examined and the antibacterial properties were evaluated in contact with Staphylococcus aureus bacteria using the spectrophotometric method and the Kirby-Bauer test. The results show that the layer deposition method is effective and allows to obtain homogenous bioactive coatings. Nanoparticles were agglomerated on the surface or homogenously distributed in the CaP coating, depending on the process used to immobilize them. The drug release profile and antibacterial properties can also be modified by changing the process – the drop casting method allows to obtain a coating with a stronger antimicrobial effect and faster drug release. Nanoparticles obtained by the double emulsion method with solvent evaporation have the required size to be immobilized between the CaP crystallites. Additionally, the encapsulation of drugs decreased the zeta potential of the nanoparticles, which was caused by the interaction of the drug and the polymer. Nanoparticles loaded with bacitracin showed weak antibacterial properties, as the growth inhibition zone in the Kirby-Bauer test was barely visible. Two other types of nanoparticles exhibited good antibacterial properties, exceptionally strong for those loaded with hydrophobic gentamicin

6

Właściwości i zastosowanie kalcytu w przemyśle

Bartczak Martyna

Archiwum Wiedzy Inżynierskiej

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2023

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T. 8, Nr 1

15--17

PL

Kalcyt jest pospolitym minerałem skałotwórczym z grupy węglanów o składzie chemicznym węglanu wapnia (zwany również kalcytem lub podwójnym drzewcem i alternatywnie pisany kalcytem). Należy do ogólnej kategorii minerałów węglanów i azotanów. Swoją nazwę zawdzięcza połączeniu dwóch słów – greckiego chalix i łacińskiego calx, co oznacza wapno. Minerał ten jest jednym z najczęstszych składników kamieniotwórczych, którego kryształy tworzą m.in. wapienia, marmury i oolity. Występuje w wielu kolorach na całym świecie i stanowi ponad 4% światowej gleby. Kalcyty w czystej postaci są kolorowe i przezroczyste. Aragonit i dolomit są pod wieloma względami bardzo podobne do środowiska geologicznego kalcytu. Minerał ten znajduje zastosowanie w wielu dziedzinach naszego życia a jego wydobycie sięga już początku XX wieku (na Wyżynie Krakowsko-Częstochowskiej). Artykuł ma na celu przedstawienie wybranych zastosowań kalcytu oraz opisanie jego właściwości.

EN

Calcite is a common rock-forming mineral from the carbonate group with the chemical composition of calcium carbonate. It belongs to the general category of carbonate and nitrate minerals. It owes its name to a combination of two words - the Greek chalix and the Latin calx, which means lime. This mineral is one of the most common stone-forming ingredients, whose crystals form e.g. limestones, marbles and oolites. It comes in many colors around the world and makes up over 4% of the world's soil. Pure calcites are colored and transparent. Aragonite and dolomite are in many respects very similar to the geological environment of calcite. This mineral is used in many areas of our lives and its extraction dates back to the beginning of the 20th century (in the Kraków-Częstochowa Upland). The article aims to present selected applications of calcite and describe its properties.

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Investigation on surface roughness and kerf analysis in abrasive water jet machining of silicon carbide

Hynes N.R.J., Asirvatham A.D., Sankaranarayanan R., Raja S., Benita B., Atchaya J.

Archives of Materials Science and Engineering

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2023

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Vol. 120, nr 1

30--35

EN

Purpose: Machining silicon carbide (SiC) is challenging due to its brittle and maximum tensile nature. Lapping or laser beam are done with a high cost of manufacturing and low material removal rates. Water abrasive jet cutting is a promising candidate since the machining temperatures and processing force of ceramics are extremely low. Investigation into the abrasive water jet machining of silicon carbide is carried out in the present work. Design/methodology/approach: The variations in traverse speed while abrasive water jet cutting of silicon carbide and its effect on the surface roughness and kerf characteristics are studied. Silicon Carbide abrasive material is used as garnet consisting of 80 mesh. The surface roughness was calculated along with the depth of the cut made during the processing. Findings: The outcomes demonstrated that the traverse speed is more effective upon the surface roughness and is an important factor that damages the top kerf width and the kerf taper angle. Research limitations/implications: Based on the hardness and thickness of the SiC plate, the taper angle is high, and for a feed rate of 10 mm/min, the surface roughness is low. Less thickness of the SiC plate could have a lower taper angle than with high thickness. The erosive force is provided by abrasive material along with the jet stream. Practical implications: Water abrasive fine jet could effectively machinate silicon carbide ceramic material with a better surface finish accurately. Suitable surface roughness with higher productivity can be attained with medium traverse speed. Originality/value: The effect of process parameters on kerf taper angle and top kerf width in the abrasive water jet machining of silicon carbide is explored, considering surface roughness as an important output parameter.

8

Effect of Corrosion on Wear Resistance of the Composite Based on GX120Mn13 Cast Steel Zonally Reinforced with Particles (Al2O3+ZrO2)

Medyński Daniel

Archives of Foundry Engineering

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2023

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Vol. 23, iss. 3

133--139

EN

The subject of the work are modern composite materials with increased wear resistance intended for elements of machines operating in difficult conditions in the construction and mining industries. The study determined the effect of zone reinforcement of GX120Mn13 cast steel with macroparticles (Al2O3+ZrO2) on the corrosion resistance and abrasion wear of the composite thus obtained. SEM studies have shown that at interface between two phases, and more precisely on the surface of particles (Al2O3+ZrO2) a durable diffusion layers are formed. During the corrosion tests, no significant differences were found between the obtained parameters defining the corrosion processes of GX120Mn13 cast steel and GX120Mn13 with particles (Al2O3+ZrO2) composite. No intergranular corrosion was observed in the matrix of the composite material, nor traces of pitting corrosion at both phases interface. This is very important in terms of tested material’s service life. Reinforcement of cast steel with particles (Al2O3+ZrO2) resulted in a very significant improvement in the abrasion resistance of the composite – by about 70%. After corrosion tests, both materials were subjected to further operational investigations. These examinations consisted in determining the impact of corrosion processes on the durability of the composite in terms of abrasion. The obtained results indicate that corrosion processes did not significantly deteriorate the wear resistance of both the cast steel and the composite.

9

Comparison of traditional processing and additive manufacturing technologies in various performance aspects: a review

Kaikai Xu, Yadong Gong, Qiang Zhao

Archives of Civil and Mechanical Engineering

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2023

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Vol. 23, no. 3

art. no. e188, 2023

EN

Additive manufacturing, also known as 3D printing, is a revolutionary manufacturing technology. This paper compares the differences between additive manufacturing technologies, such as Fused Deposition Modeling, Selective Laser Sintering, Selective Laser Melting, Stereolithography, Layered Object Manufacturing, and traditional manufacturing processes, such as subtractive and equal manufacturing. The paper mainly discusses the differences between laser additive manufacturing and traditional processing technology in processing principles and materials. The development status of metal alloys, polymer composites, ceramics, and concrete are introduced in the paper. The advantages of metal products manufactured by additive manufacturing technology in mechanical properties and microstructure evolution are highlighted. The paper also identifies the reasons limiting the development of additive manufacturing technology and proposes future prospects, providing a theoretical basis for future research on additive manufacturing technology.

10

Effect of substituting white cement with ceramic waste powders (CWP) on the performance of a mortar based on crushed sand

Mezidi Amar, Merabti Salem, Benyamina Smain, Sadouki Mustapha

Advances in Materials Science

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2023

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Vol. 23, nr 4(78)

123--133

EN

The enormous quantities of ceramic waste lead us to its use in the construction field to solve both an environmental and an economic problem. The present study aims to recycle ceramic waste powders (CWP) to produce mortars. To this end, five crushed sand (CS) based mortar mixes with prismatic dimensions of 4x4x16 cm³ were prepared by partially replacing 0, 5, 10, 15, and 20% white cement with CWP. Tests were carried out to assess bulk density, compressive strength, and ultrasonic pulse velocity (UPV). The results obtained showed that increasing the proportion of ceramic waste powder (CWP) in mortar mixes led to a decrease in bulk density, compressive strength, and UPV in the different mortars. In addition, linear correlations were observed between the different variables studied.

11

Najnowsza japońska „architektura materiałów”: szkło oraz aluminium, metal i ceramika

Kido Ewa Maria, Cywiński Zbigniew

Świat Szkła

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2022

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R. 27, nr 6

18--23, 33

12

Rola odlewnictwa precyzyjnego w inżynierii materiałowej

Wiśniewski Paweł

Szkło i Ceramika

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2022

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R. 73, nr 3

30--37

PL

W artykule przedstawiono zagadnienia związane z inżynierią materiałową, ceramiką i odlewnictwem precyzyjnym. Opisano historię i przebieg procesu odlewania detali i części silników lotniczych metodą traconego wosku. Manuskrypt zawiera również generalne informacje o spoiwach, proszkach, masach formierskich, formach odlewniczych i nadstopach niklu. Zaprezentowano podstawowe dane o spoiwach zawierających nanocząstki ceramiczne, modelach woskowych, na które nanoszone są masy lejne oraz o SiC - jednym z perspektywicznych proszków formierskich.

EN

The paper presents the main issues related to materials engineering and technology, ceramics and precision casting process. The history and methodology of the lost-wax casting process of elements and aircraft engine parts is described. The manuscript also contains general information on binders, powders, molding compounds, foundry molds and nickel superalloys. Basic data on binders containing ceramic nanoparticles, wax models and SiC - one of the prospective molding powders are presented.

13

Emergency condition of the ceramic facade of a residential building

Niedostatkiewicz Maciej

Modern Engineering

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2022

|

1

1--8

EN

The paper presents a description of the technical condition of the ceramic cladding of a residential building, the technical condition of which deteriorated significantly after only a few years of operation. The analysis of the influence of the applied design and working solutions on the façade failure frequency was analyzed. The article presents a conceptual solution to bring the building to the proper technical condition in terms of defects and damage to the facade.

14

Materiały ceramiczne stosowane w ogniwach paliwowych

Kogut Krzysztof

Inżynieria Elektryczna

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2022

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nr 10

24--26

15

Improvement of Mechanical Properties of Cast Ceramic Cores Based on Ethyl Silicate

Bořil Petr, Kaňa Václav, Myška Martin, Krutiš Vladimír

Archives of Foundry Engineering

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2022

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Vol. 22, iss. 4

47--52

EN

The aim of the paper is experimental verification of the influence of the composition of the ceramic mixture on the mechanical properties of cast ethyl silicate cores. Cast ceramic cores have a great potential in the production of complex castings, especially in the field of hydropower. However, the disadvantage of the cast ceramic cores is their low strength during cores removing from the core box and handling with them. The research is focused mainly on the possibilities of increasing the handling strength of the cores during removal from the core box and after their ignition. The paper investigates different ways of increasing the strength of cast ceramic cores by adjusting the composition of the ceramic mixture. Further, the research verifies the possibility of increasing the strength of ceramic cores by adding synthetic fibers to the ceramic mixture. The paper also contains the results of measuring the strength of the cores after impregnation with a solution of phosphorous binder and subsequent annealing.

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Życie w glinie wypalone. Opowieść o Wandzie Szrajberównie

Kaźmierczak Piotr, Paluszyński Krzysztof, Szajdziuk Beata

Szkło i Ceramika

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2021

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R. 72, nr 1

58--61

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Związki biżuterii z ceramiką Od projektu do obiektu i "umieszczenia na scenie!"

Szkło i Ceramika

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2021

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R. 72, nr 4

53--56

18

XIII Festiwal Wysokich Temperatur

Szkło i Ceramika

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2021

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R. 72, nr 3

50--53

19

XIII Festiwal Wysokich Temperatur

Szkło i Ceramika

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2021

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R. 72, nr 2

7--11

20

To też ceramika

Dachowska Marta, Szymanowska Jolanta

Szkło i Ceramika

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2021

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R. 72, nr 4

43--45