| 30CrMnSi钢近亚温超高强度热处理工艺 |
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| 引用本文： | 王金玲,王海云,罗青云,姚春臣,童时伟,刘赞辉,谢军辉.30CrMnSi钢近亚温超高强度热处理工艺[J].金属热处理,2020,45(1):31-33. |
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| 作者姓名： | 王金玲 王海云 罗青云 姚春臣 童时伟 刘赞辉 谢军辉 |
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| 作者单位： | 江南工业集团有限公司, 湖南 湘潭 411207 |
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| 摘 要： | 对30CrMnSi钢进行了淬火+低温回火的超高强度热处理工艺试验。结果表明,淬火温度越高,其强度越高;常规淬火温度淬火的韧性不足,亚温淬火的硬度偏低,均不能满足产品使用性能要求,低于常规淬火温度、高于亚温淬火温度的近亚温淬火复合热处理工艺可以使30CrMnSi钢的抗拉强度达到1520 MPa以上,并且具有较好的韧性,能满足产品耐高速冲击使用要求。
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| 关 键 词： | 热处理 30CrMnSi钢 近亚温淬火 超高强度 强韧化 |
| 收稿时间： | 2019-07-01 |
Heat treatment technology of ultra-high strength of quasi-intercritical quenching of 30CrMnSi steel |
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| Wang Jinling,Wang Haiyun,Luo Qingyun,Yao Chunchen,Tong Shiwei,Liu Zanhui,Xie Junhui.Heat treatment technology of ultra-high strength of quasi-intercritical quenching of 30CrMnSi steel[J].Heat Treatment of Metals,2020,45(1):31-33. |
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| Authors: | Wang Jinling Wang Haiyun Luo Qingyun Yao Chunchen Tong Shiwei Liu Zanhui Xie Junhui |
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| Affiliation: | Jiangnan Industries Group Co., Ltd., Xiangtan Hunan 411207, China |
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| Abstract: | Ulta-high strength heat treatment process test consisting of quenching and low-temperature tempering was carried out on the 30CrMnSi steel. The results show that the higher the quenching temperature,the higher the strength is. Both the conventional temperature and intercritical quenching can’t meet the requirements of product performance,the dual-heat treatment process of quasi-intercritical quenching at below the conventional quenching temperature and above the intercritical quenching temperature and low-temperature tempering can make the tensile strength of 30 CrMnSi steel reach more than 1520 MPa and has good toughness,which can meet the requirements of high-speed impact resistance of products. |
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| Keywords: | heat treatment 30CrMnSi steel quasi-intercritical quenching ultra-high strength strength and toughening |
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