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tian jia yuan su dui zhi jie cui huo gao qiang du hou gang ban cai zhi de ying xiang
Author(s): 
Pages: 113
Year: Issue:  1
Journal: Research on Iron and Steel

Keyword:  直接淬火淬透性高强度厚钢板上贝氏体高韧性钢板厚度加热温度微量添加元素化学成份;
Abstract: <正> 据“铁と钢”,1987;73(5):P600报道。直接淬火法能得到高淬透性,故可用来生产高强度高韧性钢材。然而,50~80kg 级淬透性较差的钢、在板厚较厚的情况下,由于在板厚中心部位容易出现上贝氏体,使该处的韧性下降。其改善的办法是:必须细化
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