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Al-Li合金断裂韧性的研究 被引量:3

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摘要 研究了时效工艺对一种高强高模Al-Li合金断裂韧性的影响.研究结果表明,时效前的预时效或预变形可促进T_1相析出,从而改善合金的断裂韧性,但在过时效状态,预时效或预变形的有利影响减弱.为获得高的断裂韧性.时效时应避免粗大晶界平衡相的析出和晶界无析出带变宽.依据组织观察结果,讨论了时效制度、微观组织和断裂韧性之间的关系.
出处 《铝加工》 CAS 1995年第6期41-45,51,共6页 Aluminium Fabrication
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