Purpose: The paper presents the results of mechanical activation of the surface on oxide layer thickness after heat treatment of TU6Al14V ELI alloy. Design/methodology/approach: Specimens were made from 5 mm diameter rod cut into semicircular slices. The samples were mechanically activated throughout mechanical treatment of the surface: one sandblasted with glass beads during 5 minutes and other ground with sandpaper grit 40, 180, 220 and 800 during 7.5 and 15 minutes. Findings: Then microstructure of specimens etched with Kroll solution was observed using an optical microscope and roughness parameters of the surface were measured. Research limitations/implications: Afterwards heat treatment (550°C, 5 hours) was conducted, then roughness parameters and thickness of the oxide layer were measured by means of a scanning microscope. Practical implications: The conducted research showed up that mechanical activation of the surface which cause an increase of surface development results in greater thickness of the oxide layer which is formed during heat treatment. Nevertheless, mechanical activation that results in a decrease of surface development, such as polishing, results in a decrease of oxide layer thickness. Originality/value: The results of the research can be used to obtain the desired thickness of the oxide layer in the production of the elements that require increased wear and corrosion resistance.
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As a direct-to-blister copper flash smelting slag contains important levels of copper (14%) and lead (2–4%) it is subjected to a process of high temperature reduction. To recover copper as well as lead the slag is subjected then to a process of decopperization by reducing the oxide metal compounds in an electric furnace. This study presents an alternative to the above process by recovering Pb and Cu from the slag by a hydrometallurgical route using citric acid solutions. The objective of this study was to determine process parameters at which the effectiveness of the lead leaching process is greatest with the minimum transfer of copper to the solution. This paper presents the results of laboratory tests on flash smelting slag leaching with citric acid solutions. Process parameters (time, temperature, citric acid concentration, l/s ratio) at which the Pb concentration decreases from the initial value (3.05%) to the value of 0.41–0.6% in the post-leaching sediment were determined. Analogous values for copper were 12.44% (before leaching) and 11.5–11.8% (after). The lead and copper content was determined by atomic absorption spectrometry (AAS). The hydrometallurgical method could successfully replace the existing treatment of slag in an electric furnace and converter.
During research work in the Non-Ferrous Metals Department on AGH University of Science and Technology concerning new corrosion inhibitors for iron alloys in magnetic fields, Ho3+ ions were proposed as one of the new inhibitors. One of the methods for determining the rate of the corrosion process is determining the concentration of Fe ions in a solution. Due to the required high precision of determining the concentration of Fe ions in a solution contains Ho3+ ions with a wide range of concentrations, the influence of the matrix effect and interferences of Ho3+ ions must be known. The present work investigates the impact of Ho ions within a range of 0 to 100 mg/L for the quantitation of Fe ions in a 0.1 M HCl solution using the MP-AES method. The obtained results were analyzed using the single-factor ANOVA method. In a range of up to 40 mg/L, Ho3+ ions are not a significant factor to determining the Fe concentration by MP-AES.
PL
W trakcie prac badawczych prowadzonych na Katedrze Fizykochemii i Metalurgii Metali Nieżelaznych na Akademii Górniczo-Hutniczej w Krakowie dotyczących nowych inhibitorów korozji stopów żelaza w polu magnetycznym, jako jeden z nowych inhibitorów zaproponowano jony Ho. Jedną z metod określenia postępów procesu korozji było oznaczenie stężenia jonów Fe w roztworze metodą atomowej spektroskopii emisyjnej w plazmie mikrofalowej (MP-AES). Z uwagi na wymaganą wysoką precyzję określenia niewielkiej zawartości jonów Fe w roztworach o różnej zawartości jonów Ho konieczne stało się zbadanie, czy obecność jonów Ho wpływa istotnie na ocenę ilościową jonów Fe metodą MP-AES. W niniejszej pracy zbadano wpływ stężenia jonów Ho w zakresie stężeń od 0 do 100 mg/l na oznaczenie zawartości Fe w 0,1 M kwasie solnym. Uzyskane wyniki poddano analizie statystycznej z wykorzystaniem metody ANOVA. W zakresie stężeń jonów Ho w analicie do 40 mg/L nie wykazano istotnego wpływu na oznaczenie żelaza na poziomie ufności 95%.
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Żużel zawiesinowy z pieca topiącego koncentraty do miedzi blister zawierający ok. 14% miedzi oraz 2-4% ołowiu poddano wysokotemperaturowemu procesowi odmiedziowania i stop Cu-Pb-Fe będący produktem procesu odmiedziowania konwertowano w piecu elektrycznym. Interesującą alternatywą w stosunku do obecnie prowadzonego procesu przetwarzania żużla zawiesinowego byłaby jego hydrometalurgiczna przeróbka i selektywny odzysk Cu i Pb. Zaprezentowano wyniki badań laboratoryjnych ługowania żużla zawiesinowego roztworami NaOH. Przeprowadzone doświadczenia pozwoliły na określenie parametrów procesu, przy których zawartość Pb w osadzie po ługowaniu osiąga najniższą wartość wynoszącą 1,52%.
EN
Furnace slag from direct-to-blister smelting of Cu concns. (12.7% Cu and 3.05% Pb) was leached with NaOH soln. to remove Pb. The leaching at optimum parameters (temp. 80°C, NaOH concn. 4 M, 120 min, liq/solid phase ratio 50:1) resulted in decreasing the Pb content down to 1.52% at a const. Cu content.
Due to the minute availability of indium and its crucial importance to the world economy, it is necessary to find alternative sources of this metal. As a large proportion of indium production is consumed for the purpose of LCD screen manufacturing, it seems reasonable to investigate their recycling leading to the recovery of this metal. The present work investigates the impact of time, temperature, and the concentration of sulfuric acid on the effectiveness of indium extraction from milled LCD panel glass scrap originating from portable computers manufactured between 2005 and 2012. The conclusion of our research defines the optimal conditions for extraction.
PL
Ze względu na niewielkie zasoby indu i jego kluczowe znaczenie dla gospodarki światowej konieczne jest poszukiwanie alternatywnych zasobów tego metalu. Ponieważ ind wykorzystywany jest głównie w produkcji ekranów w technologii LCD, racjonalny wydaje się ich recykling w kierunku odzysku tego pierwiastka. W niniejszej pracy zbadano wpływ czasu, temperatury oraz stężenia kwasu siarkowego na efektywność ługowania indu ze zmielonej frakcji szklanej paneli LCD pochodzących z komputerów przenośnych z lat 2005–2012. W wyniku badań określono optymalne warunki ługowania.
Artykuł omawia podstawowy warunek, który musiał być spełniony przez samorząd województwa kujawsko- pomorskiego, aby móc uruchomić finansowanie infrastruktury drogowej ze środków Unii Europejskiej w obecnej perspektywie. Przedstawiono również problemy związane z niedostateczną ilością środków finansowych przeznaczonych na sieć transportową w województwie kujawsko-pomorskim oraz możliwości ich minimalizacji dzięki pozyskanemu finansowaniu unijnemu.
EN
The article discusses a basic condition which the Kuyavian-Pomeranian voivodeship’s self-government had to fulfill in order to start the road infrastructure investment which is co-founded by the European Union in the years 2014-2020. It also describes problems connected with the insufficient amount of financial resources dedicated to the transportation system in the Kuyavian-Pomeranian voivodeship, as well as the possibilities of their minimization due to the European Union’s financial resources.
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Furnace slag from direct-to-blister smelting of copper concentrates contains 12–15% of copper and 2.5–4% of lead. In this form it cannot be deemed as waste material, and thus it is subjected to a high-temperature process of slag decopperization; after this, converting process is performed on the Cu–Pb–Fe alloy being the product of decopperization process in electric furnace. An interesting alternative to the presently used processing of flash smelting slag would be its hydrometallurgical processing and selective recovery of Pb and Cu. This paper presents the results of laboratory tests on flash smelting slag leaching with acetic acid solutions and acetic acid with urea additive. The experiments performed allowed to optimize the process parameters to such an extent that Pb content in the post-leaching sediment is practically equal to the value obtained through the high-temperature process performed in electric furnace.
Porous, hydroxy functionalized, polymer particles, having BET surface areas up to 146 m2/g, were synthesized by suspension polymerization of water in oil (w/o) emulsions. The emulsions were prepared by mixing polyoxyethylene sorbitan monooleate (Tween-80) solutions in water with a mixture of 2-hydroxyethyl methacrylate (HEMA), styrene (S) and divinylbenzene (DVB) dissolved in a mixture of cyclohexanol (CyOH) and octanol (OctOH). The resulting polymer particles were characterized by optical microscopy, scanning electron microscopy, infrared spectroscopy, and thermal gravimetric analysis. Nitrogen adsorption/desorption isotherms and particle size distribution were also determined. The influence of the organic porogen nature and the concentrations of divinylbenzene and Tween-80, the fraction of water in the w/o emulsions and the agitator rotation on the properties of the provided polymer particles were analyzed and discussed.
PL
Nowe hydroksyfunkcjonalizowane porowate cząstki polimerowe o powierzchni właściwej 146 m2/g syntetyzowano metodą polimeryzacji suspensyjnej emulsji typu woda w oleju w/o. Emulsje otrzymano w wyniku zmieszania wodnych roztworów Tween-80 z mieszaniną metakrylanu 2-hydroksyetylu (HEMA), styrenu (S) i diwinylobenzenu (DVB) rozpuszczoną w mieszaninie cykloheksanolu (CyOH) i oktanolu (OctOH). Otrzymane polimery charakteryzowano metodami mikroskopii optycznej, skaningowej mikroskopii elektronowej, spektroskopii w podczerwieni i analizy termicznej (TGA). Wyznaczono także izotermy adsorpcji/desorpcji oraz rozkład wielkości ziaren uzyskanych na drodze polimeryzacji. Przeanalizowano wpływ natury porogenu, stężenia DVB i Tween-80 na charakterystykę otrzymanych cząstek.
Zbadano możliwość użycia chiralnego katalizatora salenowego immobilizowanego na nośniku polimerowym w procesie hydrolitycznego kinetycznego rozdziału (HKR) racemicznych estrów glicydylowych. Testy katalityczne przeprowadzono w temp. 25°C, stosując acetonitryl, chlorek metylenu, eter metylowo-tert-butylowy lub THF do rozcieńczenia układu reakcyjnego. W wyniku HKR wobec katalizatora o konfiguracji R,R i 0,7 ekw. wody uzyskano min. 96% nadmiar enancjomeryczny estrów S-glicydylowych
EN
A polymer supported chiral salen cobalt(III) complex was tested as a catalyst in the hydrolytic kinetic resolution (HKR) process of racemic glycidyl esters. The experiments were performed at 25°C using acetonitrile, methylene chloride, methyl-tert-butyl ether or THF for diluting the reaction mixture. S-glycidyl esters with an enantiomeric excess at least 96% were obtained using 0.7 eq. water and the catalyst with R,R-configuration of the salen complex.
W pracy przedstawiono wyniki badań strukturalnych oraz magnetycznych kompozytów otrzymanych na bazie stopu o składzie chemicznym Fe67Co10Ni1W2B20 i żywicy epoksydowej. Badane próbki miały kształt walców oraz posiadały ten sam udział objętościowy żywicy epoksydowej (klej Epidian 100). Wytworzony stop o składzie chemicznym Fe67Co10Ni1W2B20 został niskoenergetycznie rozkruszony w moździerzu, a następnie poddany analizie sitowej i podzielony na trzy frakcje: 20-50 µm, 50-100 µm oraz 100-200 µm. Tak otrzymane proszki stopów zostały połączone z żywicą epoksydową. Określono wpływ wielkości cząstek proszku i osnowy na właściwości magnetyczne kompozytów.
EN
The paper presents the results of the structural and magnetic studies of composites obtained on the Basic of the alloy Fe67Co10Ni1W2B20 and epoxy resin (glue Epidian 100). The resulting alloy with chemical composition Fe67Co10Ni1W2B20 was low-energy crushed in a mortar, and then subjected to a sieve analysis and divided into three fractions: 20-50 microns, 50-100 microns and 100-200 microns. The thus obtained alloy powders were combined with an epoxy resin. Were identified: powder particle size and the magnetic properties of the matrix composites.
W pracy badano wpływ wielkości frakcji amorficznego proszku wiązanego polimerem na właściwości magnetycznie miękkie i mechaniczne. Proszek został otrzymany poprzez niskoenergetyczne mielenie amorficznej płytki wytworzonej metodą wtłaczania ciekłego stopu do miedzianej formy. Na podstawie badań dyfrakcji promieni rentgenowskich stwierdzono, że kompozyty miały strukturę amorficzną. Wykorzystując magnetometr wibracyjny zmierzono statyczne pętle histerezy magnetycznej, na podstawie których wyznaczono parametry takie jak: magnetyzacja nasycenia (μoMs.) oraz pole koercji (Hc). Zmierzono mikrotwardość wykorzystując metodę Vickersa. Na podstawie przeprowadzonych badań stwierdzono, że wielkość amorficznych cząstek istotnie wpływa na zmianę parametrów magnetycznych jak i mechanicznych badanych kompozytów. Dodatkowo stwierdzono, że osnowa polimerowa izolująca amorficzne cząstki wpłynęła na pogorszenie parametrów magnetycznie miękkich w porównaniu do masywnych płytek.
EN
In the paper investigates the effect of the volume fraction of amorphous powders on the soft magnetic and mechanical properties. The powder was obtained by low-energy milling of amorphous plates produced by the injection of a liquid alloy into a copper mold. On the basis of X-ray diffraction, it was found that the composites had an amorphous structure. Using the vibrating sample magnetometer, the static hysteresis loops were measured, on which basis the basic magnetic parameters such as saturation magnetization (μoMs) and the coercive field (Hc) were determined. Microhardness was measured using the Vickers method. From the examinations, it was found that the size of the amorphous particles significantly influences the change of magnetic and mechanical parameters of the studied composites. Additionally it was found that the polymeric matrix insulating the amorphous particles affected the deterioration of soft magnetic parameters in comparison to the massive plates.
The results of research into the microstructure and mechanical properties of Fe73T5Y3B19, Fe61Co10Y8Ti1B20 alloys are presented in this paper. Samples were obtained at the solidification speed of 104÷106 K/s in the form of ribbons of about 30 µm in thickness. All studies were conducted for samples in the as-cast state. Amorphous structure of the investigated alloys was confirmed by the X-ray diffractometry. The chemical composition determined from EDS studies was similar to the nominal composition of the alloy. Photos of the Vickers imprints, and the abrasion areas were obtained using an optical microscope for the matte side of the tape. The obtained results showed that the alloy with higher titanium content had much higher abrasion resistance as well as greater surface development.
PL
W pracy przedstawiono wyniki badań mikrostruktury oraz wybranych właściwości mechanicznych stopów Fe73T5Y3B19, Fe61Co10Y8Ti1B20 otrzymanych przy prędkości krzepnięcia 104÷106 K/s w postaci cienkich taśm o grubości około 30 µm. Badania przeprowadzono dla próbek stopów w stanie po zestaleniu. Amorficzność stopów potwierdzono badaniami rentgenowskimi. Skład chemiczny próbek został wyznaczony na podstawie badań z wykorzystaniem spektrometru rentgenowskiego EDS i jest zbliżony do nominalnego składu stopu. Zdjęcia próbek, odcisków Vickersa oraz obszarów wytarć wykonano z wykorzystaniem mikroskopu świetlnego. W pracy przedstawiono wyniki badań dla matowej strony taśmy. Wyniki badań zamieszczone w tej pracy pokazują, że stop z większą zawartością tytanu cechuje się znacznie większą odpornością na ścieranie, jak również większym rozwinięciem powierzchni.
In this paper the results of the structural and magnetic investigation of Fe61Co10Y8Zr1B20 alloy after solidification and isothermal annealing was presented. The isothermical annealing was carried out at 700 K for 1 h and 770 K for 3.5 h. For the structural investigation was performed by X-ray diffractometer equipped with a copper lamp. The results of (XRD) measurements showed the material in the state after the solidification and heat treatment is amorphous. Static hysteresis loops and initial magnetization curve was measured using vibrating magnetometer (VSM). The quality and quantity of structural defects in the sample after heat treatment was determined by indirect method using analyze the initial magnetization curve in accordance with the theory of Kronmüllera. These studies have shown that the annealing process has big influence to change significantly quantity of defects in amorphous structure as a result, there are changes of magnetic parameters such as saturation magnetization and field μ0Ms coercivity Hc.
PL
W pracy przedstawiono wyniki badań strukturalnych i magnetycznych stopu Fe61Co10Y8Zr1B20 w stanie po zestaleniu oraz po izotermicznym wygrzewaniu w temperaturze 700 K przez 1h i 770 K przez 3,5 h. Badania struktury wykonano przy użyciu dyfraktometru rentgenowskiego wyposażonego w lampę miedzianą. Wynik pomiarów (XRD) wykazał, że material w stanie po zestaleniu i obróbce termicznej jest amorficzny. Statyczne pętle histerezy i krzywą pierwotnego namagnesowania zmierzono za pomocą magnetometru wibracyjnego (VSM). Analizując krzywą pierwotnego namagnesowania i wykorzystując pośrednią metodę wyznaczania defektów strukturalnych zgodnie z teorią H. Kronmüllera wyznaczono jakość i ilość tych defektów w próbce w stanie po zestaleniu i po izotermicznym wygrzewaniu. Badania te wykazały że proces wygrzewania istotnie wypływa na zmiany zdefektowania struktury amorficznej w wyniku czego zachodzą zmiany parametrów magnetycznych takich jak magnetyzacja nasycenia μ0Ms i pole koercji Hc.
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Purpose: The preparation of composite materials composed of Fe66Co10Ni2W2B20 alloy powders and epoxy resin and determining the influence of the alloy powders fraction Fe66Co10Ni2W2B20 on mechanical and magnetic properties of produced materials. Design/methodology/approach: Tested samples made of Fe66Co10Ni2W2B20 alloy powders and epoxy resin, were produced by pressing with pressure 5MPa during 10 s. In order to examine produced materials structural studies were conducted (observation under an optical microscope, a scanning electron microscope with EDS analysis), mechanical (measurement of surface roughness) and magnetic (obtaining static magnetic hysteresis loop based on measurements were made using a vibrating magnetometer (VSM)).Results: Pressing of Fe66Co10Ni2W2B20 alloy powders and epoxy resin allows to obtain composite materials, which are divided into three fractions, namely: 20-50 μm 50-100 μm 100-200 μm characterized, with the increasing size of the fraction of reinforcement, the better development of the area. Magnetic studies show that with increasing size of the fraction of the reinforcement, those materials have smaller coercive field, as well as the observed decrease in saturation magnetization. Originality/value: By combining Fe66Co10Ni2W2B20 alloy powders and epoxy resin composite materials with different fractions of reinforcement, which exhibit better properties than the starting materials used to receive are possible to obtain.
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Purpose: A preparation of surface layers on the surface of the titanium alloy Ti-6Al-4V as a result of thermo-chemical treatment and a comparison of obtained layers from baseline. The results of studies comparing the structure and properties of titanium alloy Ti-6Al-4V with produced surface layers. Design/methodology/approach: Test samples were the titanium alloy Ti-6Al-4V, which was subjected to heat-chemical treatment, consisting in annealing components in air for 1 hour at each temperature: 400ºC, 450ºC, 500ºC, 550ºC, 600ºC. To achieve pursued objective the following tests: microstructural observation of the cross section, which made it possible to study the thickness of the produced coating study were performed, a study of the geometry of the surface was performed – roughness and hardness were measured. Wear resistance of each layer was shown. Ringer liquid simulates the conditions similar in the human body. Results: Through the use of thermo-chemical treatment, it is possible to obtain surface layers of different thicknesses on titanium alloy Ti-6Al-4V. A method used for thermo-chemical treatment can produce a layer that affect the increase in hardness, whose value is almost twice higher than that of the without workup alloy. The evaluation of surface topography allowed to state that all samples were subjected to thermal-chemical treatment have a similar level of the development of the surface. The lowest roughness has alloy, annealed at 500°C. The study shows that the corrosion resistance of titanium alloy is dependent on the thickness of the obtained surface layers. The highest corrosion potential has the sample annealed at 500°C. Originality/value: The paper summarizes comparative studies of titanium alloy and the alloy with produced oxide layers, proving by far superior to the results with produced alloy layers, which one were produced by the injection method, than in the case of alloys produced by the drawing method.
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Purpose: In presented paper were characterized selected properties of high-temperature superconducting tape 2G HTS SF series - the example of the tape SF12050. Design/methodology/approach: As part of the study smples of tape SF12050 were made. At first made to measure of chemical compsition and compared with manufacturer’s information about that kind of tape. Second step of researcher were research about adhesion of the individual layers of SF12050. After then research was made about tensile strengtht what is the justification utility, as these tapes are subjected to tension at the time of their formation and winding on the transformer core. Findings: As a result of research obtained information on the chemical composition, scratch resistance, adhesion of coating on the tape and about tensile strength. On the last step studies were conducted about critical currents - Ic. Research limitations/implications: These results allow to identify the suitability of these tapes for use on a wide scale - in particular, the winding of the transformer cores. Originality/value: On the basis of studies have demonstrated applications for which the tape may be used SF12050. Given its properties – scratch resistance and tensile strenght reistance, and information about critical current, was indicated best use of that tape for trnasformers production.
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Purpose: The paper presents a comparison of the structure and properties of titanium alloys Ti-6Al-4V produced by two methods: conventional and injection casting which allows obtaining solid amorphous alloys. Design/methodology/approach: Test samples are titanium alloys Ti-6Al-4V produced by two methods: conventional and injection casting. To achieve assumed objective the followed test were performed: phase composition by X-ray diffraction, microstructure observation was carried out, preformed to study the geometry of the surface – roughness and abrasion resistance measurements. Research limitations/implications: Observation of microstructures revealed that, titanium alloy Ti-6Al-4V produced by conventional method has a crystalline ordered structure which is typical for materials produced by continuous casting, while the titanium alloy produced by injection casting has a structure partially crystalline, and in most predominates amorphous structure which is characterized by a lack of order and regularity. Confirmation of structural studies were obtained diffraction records from qualitative X-ray analysis. Sample which was produced by continuous casting has higher rate of roughness than sample produced by injection casting. Titanium alloy produced by injection casting has higher rate of abrasion resistance than alloy produced by conventional casting. Higher roughness and higher abrasion resistance, these properties are beneficial for the process of fusion of the implant with the tissues in living organism, that same is desired in case when alloy will be used for biomedical applications. Originality/value: The paper presented study of solid amorphous alloys which were produced by injection casting. That kind of production allowed to achieve much better properties than for alloys produced by conventional method - continuous casting.
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Purpose: In these paper was were characterized mechanical properties of titanium alloy Ti-6Al-4V, which were produced by two methods - conventional casting and injection casting. Studies were presented by comparing of samples which were produced by these methods. Design/methodology/approach: Samples were produced by two methods – conventional and injection casting. To achieve the objective were performer the following steps: the microstructure was carried out, the analysis of mechanical properties was done (microhardness), study of surface roughness was made, research of abrasion was made and phase composition by X-ray diffraction was made. After then then a comparison of these studies between these samples was made. Findings: The study of the microstructure was observed that the titanium alloy Ti-6Al-4V prepared by the conventional method, it has equiaxed and globular structure. In contrast, titanium alloy produced by the injection has strips structure, where phase α’ is on phase β border. Further studies have shown that a sample of titanium alloy Ti-6Al-4V produced by injection it has a much greater tribological resistance because it has a higher microhardness and much greater roughness than the sample of the same alloy produced by the conventional method. Originality/value: In this article conducted a comparative characteristics for the two production methods - conventional and injection - titanium alloy Ti-6Al-4V. The research indicated that much better mechanical properties are characterized alloys produced by injection.
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Purpose: In paper characterized two methods produced titanium alloy: hitherto used in industry – conti-casting and innovative method of obtaining solid amorphous alloy by injection casting. The results of studies comparing the structure and properties of the alloy Ti-6Al-4V produced by both methods. Design/methodology/approach: Test samples were titanium alloy Ti-6Al-4V produced by two methods: conventional and injection. To achieve the objective pursued performed the following tests: microstructure observation was carried out, the analysis of mechanical properties (microhardness) and corrosion resistance tests were performed in Ringer’s liquid, which simulates the human body fluids. Findings: Microstructural study allowed to observe that titanium alloy T-6Al-4V produced by conventional method has crystalline ordered structure which is characteristic for materials obtained by drawing, with oriented grains and elongated in the direction of drawing. Same alloy produced by injection casting has amorphous structure with occurrences of the single-crystal seeds, that kind of structure has lack of order and regularity. The microhardness study showed, that titanium alloy Ti-6Al-4V produced by drawing has a hardness of less than twice for the same alloy produced by the injection. The corrosion tests conducted in an environment that simulates human body fluids, revealed showed that the materials made by injection have significantly corrosion potential than alloy obtained by drawing. Originality/value: The paper presents a comparative study of titanium alloy produced by drawing and massive amorphous alloy produced by unconventional method – injection casting. By the results proved that the alloy produced by injection has much better properties than alloy produced by drawing.
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Purpose: The paper present determine the basic mechanical properties of amorphous alloy based on iron (Fe61Co10Zr5W2Y2B2), produced by injection. Design/methodology/approach: The study was carried out the following steps: at fist microhardness were performed with using microhardness tester Future Tech FM 7 by Vicker’s method with load 970.7 mN. Second step were performed abrasion tests on ball-tester with zirconium ball. These tests were performed in 3 steps – first (study was conducted in one hour), second (study was conducted in two hours), third (study was conducted in three hours). Third kind of study was roughness performed on profilometer Hommel T1000. The sample surface was examined in the section 4.8 mm. After high-resolution photos were then taken with a scanning electron microscope (JEOL JSM - 6610 LV). In contrast images with areas threadbare, made using an optical microscope Axiovert 25. Findings: Tests results of samples in of the alloy (Fe61Co10Zr5W2Y2B2) in the form of plates were confirmed higher microhardness amorphous alloy than material with same chemical composition but with crystalline structure. Originality/value: Receipt of amorphous alloys with unique mechanical properties for electronics applications.
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