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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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晶粒尺寸与锯齿式屈服的激活能
, PP. 10-15
Keywords: 锯齿式屈服,激活能,晶粒尺寸,形变孪晶
Abstract:
采用两种不同的方法,分别测定工业用黄铜H68锯齿屈服的表观激活能。结果表明,用涉及(m+β)值的方法测出的锯齿屈服表现激活能随晶粒增大而增大;而另一种方法避开了(m+β)值,所测得激活能不随晶粒大小而改变。结合显微组织的观察,对上述现象进行了解释,并确定了测定锯齿屈服真正激活能的方法。
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