| 高温渗碳齿轮钢的研究进展 |
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| 引用本文： | 杨延辉,王毛球,陈敬超,董瀚.高温渗碳齿轮钢的研究进展[J].特殊钢,2013,34(1):22-24. |
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| 作者姓名： | 杨延辉 王毛球 陈敬超 董瀚 |
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| 作者单位： | 1昆明理工大学材料学院，昆明650093；
2钢铁研究总院先进钢铁材料国家工程研究中心，北京100081 |
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| 基金项目： | 国家863计划新材料技术领域项目资助 |
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| 摘 要： | 常用齿轮钢渗碳温度为930℃,提高渗碳温度至1000～1050℃能显著缩短渗碳时间,但易引起晶粒长人,因此发展了通过Nb、Ti、B微合金化,细化钢原奥氏体晶粒的高温渗碳齿轮钢。文中介绍了国内外高温渗碳齿轮钢的钢种成分、工艺特点、高温渗碳层组织控制和钢的疲劳性能的研究进展。
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| 关 键 词： | 齿轮钢 高温渗碳 微合金化 细化晶粒 疲劳极限 研究进展 |
| 收稿时间： | 2012-07-18 |
Research Progress in Gear Steels for High Temperature Carburization |
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| Yang Yanhui
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Wang Maoqiu
,
Chen Jingchao
,
Dong Han.Research Progress in Gear Steels for High Temperature Carburization[J].Special Steel,2013,34(1):22-24. |
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| Authors: | Yang Yanhui Wang Maoqiu Chen Jingchao Dong Han |
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| Affiliation: | 1 Faculty of Materials Engineering, Kunming University of Science and Technology, Kunming 650093 ；
2 National Engineering Research Center of Advanced Steel Technology, Central Iron and Steel Research Institute, Beijing 100081 |
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| Abstract: | The carburizing temperature of common gear steels is 930 °C, as the carburizing temperature of steel increases to 1 000 ~ 1 050 °C the time of carburization process can be remarkably reduced but it easily leads to grain coarsening. Therefore, the high temperature carburization gear steels are developed by Nb, Ti, B microalloying to fine original austenite grain size in steel. The research progress in gear steels for high temperature carburization at home and abroad including grade and chemical composition, process characteristics, control of structure in high temperature carburized layer and fatigue properties of steel is presented in this article. |
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