| 新型Q-P-T和传统Q-T工艺对不同C含量马氏体钢组织和力学性能的影响 |
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| 引用本文： | 张柯,许为宗,郭正洪,戎咏华,王毛球,董瀚. 新型Q-P-T和传统Q-T工艺对不同C含量马氏体钢组织和力学性能的影响[J]. 金属学报, 2011, 0(4) |
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| 作者姓名： | 张柯 许为宗 郭正洪 戎咏华 王毛球 董瀚 |
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| 作者单位： | 上海交通大学材料科学与工程学院;钢铁研究总院先进钢铁材料技术国家工程研究中心; |
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| 基金项目： | 国家自然科学基金重点项目51031001; 中联先进钢铁材料技术有限责在公司项目091507资助~~ |
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| 摘 要： | 对比新型淬火-分配-回火(Q-P-T)和传统淬火-回火(Q-T)处理对中、低碳钢力学性能的影响发现,在提高材料的强塑积方面Q-P-T处理远胜于Q-T处理,特别是对中碳钢的效果更为显著.在所研究的试样中,Fe-0.42C-1.46Mn-1.58Si-0.028Nb合金的强塑积经Q-P-T处理后高达31627MPa.%,且延伸率达20.3%,不仅远高于传统Q T处理的试样,而且已满足新一代先进高强度钢预测的性能.显微组织分析表明,Q-T和Q-P-T处理的差异在于残留奥氏体的量和尺寸分布以及马氏体板条的均匀程度.前者含少量(<3%)较薄的薄膜状残留奥氏体,且马氏体板条尺寸范围较宽;而后者含较多较厚的薄片状残留奥氏体,且马氏体板条尺寸分布较窄.因此Q-P-T处理的先进高强度钢具有承受较强的塑性变形和阻止微裂纹扩展的能力.
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| 关 键 词： | Q-P-T工艺 先进高强度钢 残留奥氏体 强塑积 |
EFFECTS OF NOVEL Q-P-T AND TRADITIONAL Q-T PROCESSES ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF MARTENSITIC STEELS WITH DIFFERENT CARBON CONTENT |
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| ZHANG Ke,XU Weizong,GUO Zhenghong,RONG Yonghua School of Materials Science , Engineering,Shanghai Jiao Tong University,Shanghai WANG Maoqiu,DONG Han National Engineering Research Center of Advanced Steel Technology,Central Iron-Steel Research Institute,Beijing. EFFECTS OF NOVEL Q-P-T AND TRADITIONAL Q-T PROCESSES ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF MARTENSITIC STEELS WITH DIFFERENT CARBON CONTENT[J]. Acta Metallurgica Sinica, 2011, 0(4) |
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| Authors: | ZHANG Ke XU Weizong GUO Zhenghong RONG Yonghua School of Materials Science Engineering Shanghai Jiao Tong University Shanghai WANG Maoqiu DONG Han National Engineering Research Center of Advanced Steel Technology Central Iron-Steel Research Institute Beijing |
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| Affiliation: | ZHANG Ke,XU Weizong,GUO Zhenghong,RONG Yonghua School of Materials Science and Engineering,Shanghai Jiao Tong University,Shanghai 200240 WANG Maoqiu,DONG Han National Engineering Research Center of Advanced Steel Technology,Central Iron-Steel Research Institute,Beijing 100081 |
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| Abstract: | |
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| Keywords: | Q-P-T process advanced high strength steel retained austenite product of strength and elongation |
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