WebOct 25, 2024 · Effect of different amounts of Sr and Ti additions with T6 heat treatment on microstructure and mechanical properties of the AZ91 alloy was investigated. The microstructure of the AZ91 alloy is consisted of the α-Mg phase surrounded by the semicontinuous network of β-Mg17Al12 intermetallics. The average grain size and … WebDec 21, 2015 · An investigation has been conducted on AZ91 magnesium alloy processed in high-pressure torsion (HPT) at 296, 423 and 473 K for different numbers of turns. The microstructure has altered significantly after processing at all processing temperatures. Extensive grain refinement has been observed in the alloy processed at 296 K with …
CN106583710B - 一种基于光固化技术的镁及镁合金复杂构件的成 …
WebOct 31, 2011 · 美国ASTM镁合金牌号表示方法 美国材料与试验协会（American Society for Testing Materials） ASTM命名法规定镁合金名称由字母一数字－字母 三部分组成。 WebMay 14, 2024 · In recent years, emerging requisite for advanced materials gave a path for hybrid composites. Magnesium metal matrix composites are gaining more interest and a better substitute for heavier steel, aluminium, titanium and even for plastic based materials. At present the AZ91 magnesium alloy is most widely in transport vehicle industry. … cell phone usage teaching
Magnesium alloy - Wikipedia
WebCN111996410B CN202410980907.4A CN202410980907A CN111996410B CN 111996410 B CN111996410 B CN 111996410B CN 202410980907 A CN202410980907 A CN 202410980907A CN 111996410 B CN111996410 B CN 111996410B Authority CN China Prior art keywords graphene composite material based composite magnesium preparing Prior … WebNov 1, 2024 · AZ91 (MgAl9Zn1) alloy ingots with dimensions Ø 40 × 50 mm for the KOBO process and Ø 96 × 100 mm for extrusion process, were produced by casting into a disposable sand mold. A molding material in the form of a mixture of sand and SUPER-ECO resin was used to make the sand mold. AZ91 (MgAl9Zn1) alloy was melted in a … WebFeb 7, 2024 · Green AZ91 objects sintered at different temperatures ranging from 530 °C to 575 °C showed a marginal increment in density with an increase in sintering temperature (i.e., 1.5% to 5.1%). The root cause of such a low sintering densification rate in the presence of up to 54.5 vol. % liquid phase was discussed in the context of the powder ... cell phone usage linked to boredom study says