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首页> 外文期刊>Advanced Experimental Mechanics >Effects of Argon Concentration and Heat Treatment on the Mechanical Properties of Al65Cu20Fe15 Quasicrystal Alloy
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Effects of Argon Concentration and Heat Treatment on the Mechanical Properties of Al65Cu20Fe15 Quasicrystal Alloy

机译：氩气浓度和热处理对Al 65 Cu 20 Fe 15 准晶体合金力学性能的影响

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摘要

Characterisation on a series of bulk Al_(65)Cu_(20)Fe_(15) quasicrystal alloy synthesised via in-situ induction casting under argon (Ar) enriched atmosphere and standard room ambient is the focal point of this research. The significance of atmospheric inertness in the course of induction casting process as well as the impacts of subsequent heat treatment at 650°C, 750°C and 850°C on the mechanical properties of Al_(65)Cu_(20)Fe_(15) quasicrystal alloy were investigated. The Al_(65)Cu_(20)Fe_(15) quasicrystal alloy samples produced by induction casting under critically controlled inert environment and standard room ambient as well as subjected to posterior annealing process were inspected in terms of their surface hardness as well as compressive strength. Vickers hardness test was performed in accordance to ISO 6507-1:1997, while compression test was conducted according to ISO 13314:2011 and ASTM E 9-89a (2000). Research findings inferred that the employment of argon (Ar) gas during on-site induction casting altered the pore size, composition, indentation hardness and the fracture mechanisms of Al_(65)Cu_(20)Fe_(15) quasicrystal alloy.
机译：本研究的重点是在富氩（Ar）气氛下通过原位感应铸造合成的一系列块体Al_（65）Cu_（20）Fe_（15）准晶体合金的表征。感应铸造过程中大气惰性的重要性以及后续的650°C，750°C和850°C热处理对Al_（65）Cu_（20）Fe_（15）力学性能的影响研究了准晶体合金。检查了在严格控制的惰性环境和标准室温下通过感应铸造生产的Al_（65）Cu_（20）Fe_（15）准晶体合金样品的表面硬度以及抗压强度，并对其进行了后退火处理。 。维氏硬度测试是根据ISO 6507-1：1997进行的，而压缩测试是根据ISO 13314：2011和ASTM E 9-89a（2000）进行的。研究发现，在现场感应铸造过程中使用氩气会改变准晶体Al_（65）Cu_（20）Fe_（15）的孔径，成分，压痕硬度和断裂机理。

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