刘丽荣,祖国庆,金涛,胡壮麒

• 1:沈阳工业大学材料科学与工程学院
• 2:中科院金属研究所

摘要(Abstract)：

对DD6单晶高温合金进行表面压痕处理,然后在不同温度(1220、1270和1310℃)热处理2 h,研究合金再结晶的形核和长大行为。结果表明:#'相溶解是再结晶的必要条件;再结晶晶粒以外,产生大量的亚晶界,离压痕中心越近,亚晶界密度越大,亚晶聚合粗化是再结晶的形核和长大机制。在#'相溶解温度以上,#'相对再结晶的形核和长大无明显影响。

关键词(KeyWords)： 再结晶;形核;DD6;单晶高温合金

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(50901046)

作者(Author): 刘丽荣,祖国庆,金涛,胡壮麒

DOI: 10.13289/j.issn.1009-6264.2013.06.009

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