OALib Journal期刊
ISSN: 2333-9721
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Al_(65)Cu_(20)Cr_(15)准晶颗粒/铝基复合材料中二十面体准晶的扩散相变
, PP. 19-23
Keywords: 准晶,复合材料,相变
Abstract:
用JCXA—733型电子探针、H—800型透射电镜、D/max-IIIA型X射线衍射仪等研究了Al65Cu20Cr15准晶颗粒/铝基复合材料中的准晶颗粒在热压过程中的扩散相变结果表明,在热压温度为600,650和700℃的工艺条件下,准晶颗粒的转变产物分别为FIQC,(DQC+DA)+θ和θ相.SIQC相在与纯铝的扩散相变过程中经过过渡相FIQC,DQC,DA最终转变为θ相而达到平衡态
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