Temat: badania mikrostruktury - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Omówienie norm ASTM stosowanych w badaniach mikrostruktury
Autorzy:: Hubner, K. J.
Powiązania:: https://bibliotekanauki.pl/articles/274225.pdf
Data publikacji:: 2013
Wydawca:: Roble
Tematy:: normy ASTM
standardy międzynarodowe
badania mikrostruktury
mikrostruktura
ASTM norms
international standards
microstructure investigation
microstructure
Źródło:: LAB Laboratoria, Aparatura, Badania; 2013, 18, 1; 52-55
1427-5619
Pojawia się w:: LAB Laboratoria, Aparatura, Badania
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The Effect of Zirconium as an Alloying Additive on the Microstructure and Properties of AlSi9Mg Alloy Cast in Sand Moulds
Autorzy:: Kamińska, Jadwiga
Angrecki, Michał
Dudek, P.
Powiązania:: https://bibliotekanauki.pl/articles/2203930.pdf
Data publikacji:: 2022
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: silumins
hardening
alloying additives
microstructure
strength tests
siluminy
utwardzanie
dodatki stopowe
badania mikrostruktury
testy wytrzymałościowe
Opis:: The aim of the study was to select the optimal content of zirconium introduced as an alloying additive to obtain the best strength properties of Al-Si alloy. A technically important disadvantage is the tendency of silumins to form a coarse-grained structure that adversely affects the mechanical properties of castings. To improve the structure, modification processes and alloying additives are used, both of which can effectively refine the structure and thus increase the mechanical properties. According to the Hall-Petch relationship, the finer is the structure, the higher are the mechanical properties of the alloy. The proposed addition of zirconium as an alloying element has a beneficial effect on the structure and properties of silumins, inhibiting the grain growth. The starting material was an aluminium-silicon casting alloy designated as EN AC-AlSi9Mg (AK9). Zirconium (Zr) was added to the alloy in an amount of 0.1%, 0.2%, 0.3%, 0.4% and 0.5% by weight. From the modified alloy, after verification of the chemical composition, samples were cast into sand moulds based on a phenolic resin. The first step in the research was testing the casting properties of alloys with the addition of Zr (castability, density, porosity). In the next step, the effect of zirconium addition on the structure and mechanical properties of castings was determined.
Źródło:: Archives of Foundry Engineering; 2022, 22, 4; 5--13
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Possibilities of Fabricating Mg-Al-RE Cast Magnesium Matrix Composites Reinforced with Ti Particles
Autorzy:: Przełożyńska, E.
Braszczyńska-Malik, K. N.
Powiązania:: https://bibliotekanauki.pl/articles/379632.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: magnesium matrix composite
Mg-Al-Mn alloy
rare earth elements (REE)
Ti particle
microstructure investigations
kompozyt magnezowy
stop Mg-Al-Mn
pierwiastki ziem rzadkich
cząstka Ti
badania mikrostruktury
Opis:: The results of microstructure investigations of an experimental magnesium matrix composite reinforced with Ti particles are presented. The experimental Mg-5Al-5RE magnesium alloy was used as the matrix alloy. The examined composite was reinforced with 30 wt% titanium spherical particles. The investigated material was obtained by the stir-casting method. The microstructure of the fabricated composite was characterized by a uniform arrangement of the Ti particles within the magnesium matrix. No new phases (created due to reaction between the matrix and Ti particles) were revealed by XRD techniques.
Źródło:: Archives of Foundry Engineering; 2015, 15, 3 spec.; 73-76
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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