OALib Journal期刊
ISSN: 2333-9721
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二元Al-Li合金共晶复合材料的定向生长
, PP. 993-997
Keywords: Al-Li合金,共晶复合材料,定向凝固
Abstract:
研究了在定向凝固条件下,在亚共晶二元Al-Li合金中获得共晶复合材料的晶体生长准则,并观察了组织形貌.结果表明,当6.5×10~5K·s·cm~(-2)≤G_L/R<11×10~5K·s·cm~(-2)时,晶体可以保持稳定的平面固-液界面生长,得到规则的共晶复合组织.二元Al-Li合金共晶组织中β相(AlLi)为棒状形貌.
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