Informacja

Drogi użytkowniku, aplikacja do prawidłowego działania wymaga obsługi JavaScript. Proszę włącz obsługę JavaScript w Twojej przeglądarce.

English (EN)·Polski (PL)·Yкраїнський (UK)
Przejdź do strony domowej biblioteki Centralna Biblioteka Wojskowa Link otwiera się w nowym oknie Logo biblioteki Prolib Integro - strona głównaCentralna Biblioteka Wojskowa

Wyszukujesz frazę "M. M." wg kryterium: Wszystkie pola

  Lista filtrów
Wyrównaj
Wyświetlanie 1-15 z 305
Tytuł:
Tribological Wear of as Cast Zn-4Al Alloy Cooled at Various Rates from the Eutectoid Transformation Temperature
Autorzy:
Lachowicz, M. M.
Leśniewski, T.
Lachowicz, M. B.
Jasionowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/1837868.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
metallography
microstructure
heat treatment
abrasive wear
Zinc alloys
Zn-4Al
metalografia
mikrostruktura
obróbka cieplna
zużycie ścierne
stopy cynku
Opis:
The paper presents the results from a study on the impact of the cooling rate in the eutectoid transition on the abrasive wear of the as cast Zn-4Al alloy. The microstructure of the researched material consists of dendrites of the η solid solution and an (α+η) eutectic structure. During the eutectoid transformation at 275oC the distribution in the eutectic structure was transformed and fined. Heat treatment was carried out for this alloy, during which three cooling mediums were used, i.e. water, air and an furnace. For the research material obtained in this way, metallographic examinations were performed using the methods of light and scanning electron microscopy, as well as hardness measurements. It was found that faster cooling rate promoted the fragmentation of structural components, which translates into higher hardness of the material. This also had effects in the tribological wear of the tested alloy. As part of the tests, an abrasive wear test was carried out on a standard T-07 tester.
Źródło:
Archives of Foundry Engineering; 2020, 20, 4; 108-114
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characterization of weld fusion zone for TIG welded P91and P92 steels
Autorzy:
Pandey, C.
Mahapatra, M. M.
Kumar, P.
Thakare, J. G.
Powiązania:
https://bibliotekanauki.pl/articles/353653.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
P91
P92
fusion zone
microstructure
TIG
Opis:
The welding of nuclear grade P91 and P92 steel plate of thickness 5.2 mm were performed using the autogenous tungsten inert gas (TIG) welding process. The welded joint of P91 and P92 steel plate were subjected to the varying post weld heat-treatment (PWHT) including the post weld heat treatment (PWHT) and re-austenitizing based tempering (PWNT). A comparative study was performed related to the microstructure evolution in fusion zone (FZ) of both the welded joint using the scanning electron microscope and optical microscope in a different condition of heat treatment. The hardness test of the FZ for both joints was also conducted in a different condition of heat treatment. P92 steel welded joint have observed the higher tendency of the δ ferrite formation that led to the great variation in hardness of the P92 FZ. The homogeneous microstructure (absence of δ ferrite) and acceptable hardness was observed after the PWNT treatment for both the welded joint.
Źródło:
Archives of Metallurgy and Materials; 2018, 63, 4; 1755-1761
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Comparative Study of Residual Stress and Mechanical Properties for FSW and TIG Weld on Structural Steel
Autorzy:
Chaurasia, P. K.
Pandey, C.
Giri, A.
Saini, N.
Mahapatra, M. M.
Powiązania:
https://bibliotekanauki.pl/articles/354742.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
FSW
TIG
residual stress
microstructure
hardness
Opis:
Mechanical properties and residual stresses of friction stir welded and autogenous tungsten inert gas welded structural steel butt welds have been studied. Friction stir welding (FSW) of structural steel butt joints has been carried out by in-house prepared tungsten carbide tool with 20 mm/min welding speed and 931 rpm tool rotation. Tungsten inert gas (TIG) welding of the butt joints was carried out with welding current, arc voltage and the welding speed of 140 amp, 12 V and 90 mm/min respectively. Residual stress measurement in the butt welds has been carried out in weld fusion zone and heat affected zone (HAZ) by using blind hole drilling method. The magnitude of longitudinal residual stress along the weld line of TIG welded joints were observed to be higher than friction stir welded joint. In both TIG and FSW joints, the nature of longitudinal stress in the base metal was observed to be compressive whereas in HAZ was observed to be tensile. It can be stated that butt welds produced with FSW process had residual stress much lower than the autogenous TIG welds.
Źródło:
Archives of Metallurgy and Materials; 2018, 63, 2; 1019-1029
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of electrolyte composition on the plasma electrolyte oxidation and phase composition of oxide ceramic coatings formed on 2024 aluminium alloy
Autorzy:
Posuvailo, V. M.
Kulyk, V. V.
Duriagina, Z. A.
Koval’chuck, I. V.
Student, M. M.
Vasyliv, B. D.
Powiązania:
https://bibliotekanauki.pl/articles/1818491.pdf
Data publikacji:
2020
Wydawca:
Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Tematy:
microstructure
hydrogen peroxide
porosity
plasma electrolyte synthesis
plasma electrolyte oxidation
mikrostruktura
nadtlenek wodoru
porowatość
Opis:
Purpose: Purpose of this work is to analyse the process of synthesis of oxide ceramic coatings in plasma electrolytes on 2024 aluminium alloy and to form an electrolyte which allows to reduce energy consumption for the coating formation. Design/methodology/approach: The oxide ceramic coatings were synthesized on 2024 aluminium alloy. The coatings were formed by the alternate application of anode and cathode pulses to the sample. X-ray diffraction analysis of coatings was performed on a DRON-3.0 X-ray diffractometer using CuKa radiation. The thickness of the coatings was determined using a CHY TG-05 thickness gauge. The porosity of the coatings was investigated by analysing the micrographs of the plasma electrolyte oxidation (PEO) coatings obtained on a scanning electron microscope at x500 magnification using the image processing technique. Findings: The electrolyte with 5 g/l H2O2 additive have been elaborated as an optimal composition for synthesis of a coating with an increased content of corundum (a-Al2O3) as compared to a coating synthesized in the same mode in the 3KOH+2Na2SiO3 electrolyte without H2O2. This synthesis mode allows obtaining a coating with a high corundum content at low energy consumption. Research limitations/implications: For further optimization of the synthesis modes, it is necessary to analyse the influence of the phase composition and porosity of the obtained oxide ceramic coatings on their microhardness, wear resistance, and corrosion resistance. Practical implications: Based on the developed modes of synthesis of the coatings, it will be possible to obtain wear and corrosion resistant oxide ceramic coatings with predetermined functional properties and to reduce energy consumption for their formation. Originality/value: Methods for accelerating the formation of coatings have been proposed and tested, in particular, by adding various amounts of hydrogen peroxide to the electrolyte. The content of oxides in the obtained coatings, in particular, their ratios at various concentrations of hydrogen peroxide in the electrolyte, were determined by X-ray phase analysis. The modes of synthesis of the coatings were developed which allow obtaining a continuous coating without cracks with simultaneous decreasing porosity from 4.32% to 3.55-3.53%.
Źródło:
Archives of Materials Science and Engineering; 2020, 105, 2; 49--55
1897-2764
Pojawia się w:
Archives of Materials Science and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Właściwości magnetyczne i mikrostruktura kompozytów wytworzonych na bazie amorficznego stopu Fe60Co10Y8Zr1B20 spajanego żywicą epoksydową
Structure and magnetic properties of material composed from amorphous Fe60Co10Y8Zr1B20 particles bonded with epoxy resin
Autorzy:
Nabiałek, M.
Powiązania:
https://bibliotekanauki.pl/articles/278764.pdf
Data publikacji:
2014
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Inżynierii Materiałów Polimerowych i Barwników
Tematy:
kompozyt
materiał kompozytowy
materiał amorficzny
stop amorficzny
żywica epoksydowa
magnetyzacja
mikrostruktura
właściwości magnetyczne
composite
composite material
amorphous material
amorphous alloy
epoxy resin
magnetization
microstructure
magnetic properties
Opis:
W pracy przedstawiono wyniki badań kompozytów wykonanych na bazie stopu amorficznego o składzie chemicznym Fe60Co10Y8Zr1B20 i żywicy epoksydowej. Badane próbki miały kształt walców o takich samych wymiarach i takiej samej zawartości Epidianu 100. Amorficzny stop objętościowy został niskoenergetycznie rozkruszony i rozdzielony na trzy frakcje: 20 - 50 μm, 50 - 100 μm i 100 - 200 μm a następnie zespolony przy użyciu Epidianu 100. W wyniku przeprowadzonych badań mikrostruktury stwierdzono, że kompozyt na bazie metalicznego stopu jest amorficzny. Stwierdzono również, że rozwinięcie powierzchni dla kompozytu złożonego z metalicznych drobin o frakcji 20 - 50 μm było najmniejsze. Mikrotwardość badanych próbek, niezależnie od wielkości metalicznych drobin była porównywalna. Na podstawie analizy badań magnetyzacji w funkcji natężenia pola magnetycznego wykazano, że wartość pola koercji dla badanych kompozytów rośnie wraz z rozkładem wielkości cząstek metalicznych. Pokazano również, że wielkość frakcji ma znikomy wpływ na wartość magnetyzacji nasycenia.
The paper presents the studies of composites, made from amorphous alloy particles with the chemical composition of Fe60Co10Y8Zr1B20 and epoxy resin. The investigated samples had cylindrical shapes of the same size and contained the same weight content of Epidian 100. The volumetric amorphous alloy was low energy-grinded and separated into three fractions: 20 - 50 μm, 50 - 100 μm and 100 - 200 μm. According to the microstructure studies, it was found that the metal-based alloy is amorphous. It was also found, that the development of the surface of the composite, made up of particles of metallic fraction of 20 - 50 microns, was the lowest. The microhardness of the studied samples, regardless of the size of the metallic particles, was comparable. Based on the analysis of the studies of magnetization as a function of magnetic field strength it was shown that the coercivity field value for the analyzed composites increases with increasing fractions of the metal particles. It was also shown that the fraction size has little effect on the value of the saturation magnetization.
Źródło:
Przetwórstwo Tworzyw; 2014, [R.] 20, nr 1 (157), 1 (157); 56-61
1429-0472
Pojawia się w:
Przetwórstwo Tworzyw
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Different Torsion Pitch on Microstructural Evolution and Strengthening Mechanism of Al Wires
Autorzy:
Sedighi, M.
Vaezi, A.
Pourbashiri, M.
Powiązania:
https://bibliotekanauki.pl/articles/351811.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
torsion deformation
tensile test
micro hardness
microstructure
Al wire
Opis:
This paper focused on the effect of pure torsion deformation and various torsion pitches on the mechanical properties of the commercial pure Al wires which has not been examined so far. The initial wires with diameter of 4 mm have been torsion deformed to different pitch length (PL). In order to investigate the effect of gradient microstructure caused by torsion deformation, three different pitch length of 15 mm, 20 mm and 30 mm are considered. The results revealed that the level of grain refinement is correlated with the amount of induced plastic shear strain by torsion deformation. For the wire with pitch length of 15 mm, the grain sizes decreased to about 106 μm and 47 μm in the wire center and edge from the initial size of about 150 μm of the annealed wire. The micro-hardness measurement results show a gradient distribution of hardness from the wire center to the wire surface that confirmed the increasing trend of plastic shear strain obtained by FE simulations. The hardness of annealed sample (35 HV) is increased up to 73 HV at the wire surface for the smallest pitch length. The yield and ultimate tensile strength of the torsion deformed wires are also increased up to about 85 MPa and 152 MPa from the initial values of 38 MPa and 103 MPa of the annealed one respectively while the maximum elongation reduced significantly.
Źródło:
Archives of Metallurgy and Materials; 2018, 63, 2; 625-632
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The character of the structure formation of model alloys of the Fe-Cr-(Zr, Zr-B) system synthesized by powder metallurgy
Autorzy:
Duriagina, Z. A.
Romanyshyn, M. R.
Kulyk, V. V.
Kovbasiuk, T. M.
Trostianchyn, A. M.
Lemishka, I. A.
Powiązania:
https://bibliotekanauki.pl/articles/366907.pdf
Data publikacji:
2020
Wydawca:
Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Tematy:
model alloys
phase diagram
microstructure
microhardness
XRD analysis
stop modelowy
diagram fazowy
mikrostruktura
mikrotwardość
analiza XRD
Opis:
Purpose: The purpose of the work is to synthesize and investigate the character of structure formation, phase composition and properties of model alloys Fe75Cr25, Fe70Cr25Zr5, and Fe69Cr25Zr5B1. Design/methodology/approach: Model alloys are created using traditional powder metallurgy approaches. The sintering process was carried out in an electric arc furnace with a tungsten cathode in a purified argon atmosphere under a pressure of 6·104 Pa on a water cooled copper anode. Annealing of sintered alloys was carried out at a temperature of 800°C for 3 h in an electrocorundum tube. The XRD analysis was performed on diffractometers DRON-3.0M and DRON-4.0M. Microstructure study and phase identification were performed on a REMMA-102-02 scanning electron microscope. The microhardness was measured on a PMT-3M microhardness meter. Findings: When alloying a model alloy of the Fe-Cr system with zirconium in an amount of up to 5%, it is possible to obtain a microstructure of a composite type consisting of a mechanical mixture of a basic Fe2(Cr) solid solution, solid solutions based on Laves phases and dispersive precipitates of these phases of Fe2Zr and FeCrZr compositions. In alloys of such systems or in coatings formed based on such systems, an increase in hardness and wear resistance and creep resistance at a temperature about 800°C will be reached. Research limitations/implications: The obtained results were verified during laser doping with powder mixtures of appropriate composition on stainless steels of ferrite and ferrite-martensitic classes. Practical implications: The character of the structure formation of model alloys and the determined phase transformations in the Fe-Cr, Fe-Cr-Zr, and Fe-Cr-B-Zr systems can be used to improve the chemical composition of alloying plasters during the formation of ferrite and ferrite-martensitic stainless steel coatings. Originality/value: The model alloys were synthesized and their phase composition and microstructure were studied; also, their microhardness was measured. The influence of the chemical composition of the studied materials on the character of structure formation and their properties was analysed.
Źródło:
Journal of Achievements in Materials and Manufacturing Engineering; 2020, 100, 2; 49-57
1734-8412
Pojawia się w:
Journal of Achievements in Materials and Manufacturing Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stress rupture test of MAR-M509 alloy with structure refined by rapid resolidification
Autorzy:
Mróz, M.
Orłowicz, W.
Tupaj, M.
Trytek, A.
Powiązania:
https://bibliotekanauki.pl/articles/380450.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
stop MAR M509
mikrostruktura
MAR-M509 alloy
rapid resolidification
microstructure
stress rupture test
Opis:
This study presents results of stress rupture test of MAR-M-509 cobalt alloy samples, as-cast and after surface refining with a concentrated stream of heat. Tests were conducted on samples of MAR-M-509 alloy castings, obtained using the lost-wax method. Casting structure refining was performed with the GTAW method in argon atmosphere, using the current I = 200 A and electrical arc scanning velocity vs = 100, 150, 200 and 250 mm/min. The effect of rapid resolidification of the MAR-M-509 alloy on the microstructure was examined and significant improvement in stress rupture test was observed.
Źródło:
Archives of Foundry Engineering; 2012, 12, 4; 117-120
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphology and Material Properties of Carbides in High (24%) Chromium Cast Iron
Autorzy:
Orłowicz, A. W.
Mróz, M.
Tupaj, M.
Trytek, A.
Jacek, M.
Radoń, M.
Powiązania:
https://bibliotekanauki.pl/articles/947498.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
high chromium cast iron
microstructure
material properties
nanoindentation test
żeliwo wysokochromowe
mikrostruktura
właściwości materiału
próba nanoindentacji
Opis:
The present paper is a presentation of results of a study on morphology, chemical composition, material properties (HVIT, HIT, EIT), and nanoindentation elastic and plastic work for carbide precipitates in chromium cast iron containing 24% Cr. It has been found that the carbides differ in chemical composition, as well as in morphology and values characterizing their material properties. The carbides containing the most chromium which had the shape of thick and long needles were characterized with highest values of the analyzed material properties.
Źródło:
Archives of Foundry Engineering; 2018, 18, 1; 77-80
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ductile Cast Iron Microstructure Adjustment by Means of Heat Treatment
Autorzy:
Mróz, M.
Orłowicz, A. W.
Tupaj, M.
Kupiec, B.
Kawiński, M.
Powiązania:
https://bibliotekanauki.pl/articles/947626.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ductile cast iron
heat treatment
microstructure
żeliwo sferoidalne
obróbka cieplna
mikrostruktura
Opis:
The study presented in this paper concerned the possibility to apply a heat treatment process to ductile cast-iron thin-walled castings in order to remove excessive quantities of pearlite and eutectic cementite precipitates and thus meet the customer’s requirements. After determining the rates of heating a casting up to and cooling down from 900°C feasible in the used production heat treatment furnace (vh = 300°C/h and vc = 200°C/h, respectively), dilatometric tests were carried out to evaluate temperatures Tgr, TAc1start, TAc1end, TAr1start, and TAr1end. The newly acquired knowledge was the base on which conditions for a single-step ferritizing heat treatment securing disintegration of pearlite were developed as well as those of a two-step ferritization process guaranteeing complete disintegration of cementite and arriving at the required ferrite and pearlite content. A purely ferritic matrix and hardness of 119 HB was secured by the treatment scheme: 920°C for 2 hours / vc = 60°C/h / 720°C for 4 hours. A matrix containing 20–45% of pearlite and hardness of 180–182 HB was obtained by applying: 920°C for 2 hours or 4 hours / vc = 200°C/h to 650°C / ambient air.
Źródło:
Archives of Foundry Engineering; 2020, 20, 3; 37-40
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Microstructure and magnetic properties of amorphous Fe51Co12Si16B8Mo5P8 alloy
Autorzy:
Hasiak, M.
Miglierini, M.
Amini, N.
Bujdoš, M.
Powiązania:
https://bibliotekanauki.pl/articles/147218.pdf
Data publikacji:
2017
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
microstructure
Mössbauer spectroscopy
magnetic properties
Curie point
Opis:
Microstructure and thermomagnetic characteristics of the amorphous Fe51Co12Si16B8Mo5P8 alloy in the as-quenched state and after 1 h of annealing at 573 K and 773 K are studied. The structural investigations performed by Mössbauer spectroscopy and X-ray diffractometry confirmed the amorphous structure of the analysed materials. An increase in the annealing temperature up to 773 K does not lead to crystallization of the amorphous alloy. Only structural rearrangement that causes changes in the topological short-range order and annealing out of free volume is observed. This behaviour was confi rmed by modifications of the shapes of hyperfi ne field distributions derived from the corresponding Mössbauer spectra of the investigated alloys. The Curie temperatures of the as-quenched and annealed Fe51Co12Si16B8Mo5P8 alloy at 573 and 773 K are 400, 405 and 421 K, respectively.
Źródło:
Nukleonika; 2017, 62, 2; 85-89
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Microstructure of Friction Stir Welded Dissimilar Wrought 2017A and Cast AlSi9Mg Aluminum Alloys
Autorzy:
Kopyściański, M.
Dymek, S.
Hamilton, C.
Węglowska, A.
Pietras, A.
Szczepanek, M.
Wojnarowska, M.
Powiązania:
https://bibliotekanauki.pl/articles/1032926.pdf
Data publikacji:
2017-05
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
friction stir welding
aluminum alloys
microstructure
Opis:
Friction stir welding was applied to join dissimilar aluminum alloys: wrought 2017A and cast AlSi9Mg. The produced weldment was free from cracks and any discontinuities. The weld microstructure was composed of alternating bands of the welded alloys; however, the alloy that was placed on the advancing side (AlSi9Mg) dominated the weld center. The grain size within the particular bands was similar in both alloys. The hardness profile reflected the microstructure formed during welding. The weld microstructure as well as the shape of hardness profile across the weld were justified by numerical simulation of material flow during welding.
Źródło:
Acta Physica Polonica A; 2017, 131, 5; 1390-1393
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Contribution of TiN/Ti/a-C:H multilayers architecture to biological and mechanical properties
Autorzy:
Major, L.
Lackner, J. M.
Kot, M.
Janusz, M.
Major, B.
Powiązania:
https://bibliotekanauki.pl/articles/200944.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
microstructure
smooth muscle cells adhesion
cracking
Opis:
Complex microstructure analysis of TiN/Ti/a-C:H multilayer coatings, subjected to mechanical and biological tests, were performed by means of transmission electron microscopy (TEM) and confocal scanning laser microscopy (CSLM), respectively. Influence of interface numbers and phase ratios on coating properties was studied. Thin films were fabricated by a hybrid PLD technique (PLD supported by magnetron sputtering). The a-C:H phase was characterized by an amorphous structure, while TiN was built of columnar crystallites. Multilayer coatings contained sequentially deposited TiN and a-C:H layers with thin metallic Ti inter- layers deposited at each interface. Mechanisms of mechanical wear of analyzed systems were presented focusing on the cracking propagation revealed in the scratch test. Biological tests were done basing on smooth muscle cells adhesion to coating surfaces. An increase of TiN phase in the coating led to improvement of mechanical properties, while the carbon phase improved the biological behavior. Coatings comprising a higher rate of the carbon (a-C:H) revealed brittleness and were prone to delaminating. Optimal properties from the mechanical and biological point of view were stated for 8xTiN/Ti/a-C:H coating with 1:1 phase ratio (TiN to a-C:H).
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2014, 62, 3; 565-570
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mechanical and corrosion properties of magnesivm-bioceramic nanocomposites
Autorzy:
Kowalski, K.
Nowak, M.
Jurczyk, M.
Powiązania:
https://bibliotekanauki.pl/articles/352234.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
bionanocoinposites
magnesium
bioceramics
microstructure
bionanocomposites
Opis:
Mechanical and corrosion properties of magnesivm-bioceramic nanocomposites Magnesium alloys have recently attracted much attention as a new generation of biodegradable metallic materials. In this work, MglMnlZn0.3Zr-bioceramic nanocomposites and their scaffolds were synthesized using a combination of mechanical alloying and a space-holder sintering process. The phase and microstructure analysis was carried out using X-ray diffraction, scanning electron microscopy and the properties were measured using hardness and corrosion testing equipment. Nanostructured Mg-bioceramic composites with a grain sizes below 73 run were synthesized. The Vickers hardnesses for the bulk nanostructured Mg-based composites are two times greater than that of pure rnicrocrystalline Mg metal (50 HV0.3). Produced Mg-based bionanomaterials can be applied in medicine.
Źródło:
Archives of Metallurgy and Materials; 2016, 61, 3; 1437-1440
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Mg Addition on Crystallisation Kinetics and Structure of the Zn-Al-Cu Alloy
Autorzy:
Krupiński, M.
Labisz, K.
Tański, T.
Krupińska, B.
Król, M.
Polok-Rubiniec, M.
Powiązania:
https://bibliotekanauki.pl/articles/351696.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
casting
metallography
modification
cast zinc alloys
microstructure
Opis:
In this work the effect of Mg addition on structure as well as kinetics of crystallisation of Zn-Al-Cu cast alloy was presented. To the zinc alloy was added 0.1% mass of Mg. The alloy was cast into a metal mould. Thermo-derivative analysis was performed using the UMSA platform (Universal Metallurgical Simulator and Analyzer). The investigated alloys were freely cooled down with a rate of 0.1°C s-1. For the structure analysis were used results obtained using light microscopy, scanning and transmission electron microscopy.
Źródło:
Archives of Metallurgy and Materials; 2016, 61, 2A; 785-790
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 305

Ta witryna wykorzystuje pliki cookies do przechowywania informacji na Twoim komputerze. Pliki cookies stosujemy w celu świadczenia usług na najwyższym poziomie, w tym w sposób dostosowany do indywidualnych potrzeb. Korzystanie z witryny bez zmiany ustawień dotyczących cookies oznacza, że będą one zamieszczane w Twoim komputerze. W każdym momencie możesz dokonać zmiany ustawień dotyczących cookies