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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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奥氏体变形对低碳Mn-B-Nb-Ti钢连续冷却相变的影响
, PP. 816-822
Keywords: 含硼微合金钢,奥氏体变形,连续冷却相变
Abstract:
采用热模拟实验技术,结合维氏硬度测试结果建立一种低碳Ｍｎ－Ｂ－Ｎｂ－Ｔｉ钢的未变形奥氏体ＣＣＴ曲线和在８５０℃经５０％变形的变形奥氏体ＣＣＴ曲线,利用光学显微镜,金属薄膜电子显微分析技术研究了冷却速度,变形对显微组织的影响.结果表明,微量硼提高了过冷奥氏体的稳定性；随着冷却速度逐渐降低,未变形试样的组织由Ｂ＾ｃ２型贝氏体向Ｂ＾Ｐ３型贝氏体变化.
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