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shuang xiang gang de te zheng yu sheng chan gong yi
Author(s): 
Pages: 88-94
Year: Issue:  3
Journal: Research on Iron and Steel

Keyword:  热轧双相钢铁素体马氏体生产工艺亚稳奥氏体疲劳寿命屈服强度抗张强度成型性体组成;
Abstract: <正> 一、双相钢的发展概况钢中“相”甚多,理论上可以把任何两个“相”所组成的钢都叫双相钢。但在实用中一般只把铁素体,马氏体,奥氏体三相中两个“相”并存的称为双相钢,目前工业上应用的双相钢有两大类,一是80%左右铁素体和20%左右马氏体组成的高强度,高成型性双相钢,一是铁素体加奥氏体或马氏体加奥氏体组成的双相钢,本文所介绍的是前一种高成型双相铂。这种双相钢同高强度钢相比,具有屈服强度低,延伸率高的特点;同软钢相比,又具有抗张强度高,无屈服平台的优点,它的
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