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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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汽车钢烘烤硬化性机理的内耗研究
, PP. 913-919
Keywords: 内耗,汽车钢,烘烤硬化性,BH钢
Abstract:
本文测量了宝山钢铁公司生产的３４０ＭＰａ级烘烤硬铧（ＢＨ）钢（汽车钢）供货态及其ＢＨ态试样的内耗；研究了预变形２％后,分别在１００,１７０和２５０℃时效不同时间试样的内耗谱与ＶＨＢ的关系.结果表明在Ｓｎｏｅｋ峰发生下降甚至几乎消失的同时,１００℃处理引起ＳＫＫ峰低温支隆起或陷现有峰,１７０℃处理引起ＳＫＫ峰高度与钢的ＶＢＨ值上升,２５０℃处理引起ＶＢＨ值增大.
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