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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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Al_(65)Cu_(20)Co_(15)准晶体的力学性能
, PP. 61-64
Keywords: 准晶体,力学性能,Ａｌ_（６５）Ｃｕ_（２０）Ｃｏ_（１５）
Abstract:
用压痕法测量退火前的Ａｌ_（６５）Ｃｕ_（２０）Ｃｏ_（１５）十边形准晶体的室温Ｖｉｃｋｅｒｓ硬度为１１ＧＰａ，利用压痕裂纹长度算出了断裂韧性Ｋ_（１ｃ）约为１．０ＭＰａ·，抗拉强度为４５０ＭＰａ．在８５０℃退火３６ｈ后，显微硬度值、断裂韧性无明显变化，但抗拉强度提高到５５０ＭＰａ．
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