| 热处理工艺对超高碳钢组织与力学性能的影响 |
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| 引用本文： | 蔺卫平,樊亚军,张占领,朱杰武,柳永宁,许雁.热处理工艺对超高碳钢组织与力学性能的影响[J].机械工程材料,2007,31(2):40-42. |
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| 作者姓名： | 蔺卫平 樊亚军 张占领 朱杰武 柳永宁 许雁 |
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| 作者单位： | 1. 西安交通大学金属材料强度国家重点实验室,陕西西安,710049
2. 西北第二民族学院材料科学与工程系,宁夏银川,750021 |
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| 基金项目： | 国家自然科学基金
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陕西省科技攻关计划
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宁夏高等学校科研项目 |
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| 摘 要： | 研究了热处理工艺对碳含量为1.6%超高碳钢组织和力学性能的影响.结果表明:采用离异共析转变工艺可使锻造组织中的碳化物得到球化,获得铁素体基体上弥散分布球状碳化物颗粒的组织;在随后进行的第二次热处理中,采用正火和淬火 回火工艺,可使超高碳钢获得良好的综合力学性能,其屈服强度和抗拉强度都比40CrNiMo钢调质态提高很多,而塑性与 40CrNiMo钢相当.
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| 关 键 词： | 超高碳钢 离异共析转变 球化工艺 热处理工艺 超高碳钢 组织与力学性能 影响 Carbon Steel Mechanical Properties Microstructure Technology 塑性 调质态 抗拉强度 综合 回火工艺 淬火 正火 二次热处理 颗粒 球状碳化物 弥散分布 铁素体基体 |
| 文章编号： | 1000-3738（2007）02-0040-03 |
| 修稿时间： | 2006-02-272006-05-09 |
Influence of Heat-treatment Technology on the Microstructure and Mechanical Properties of Ultra-high Carbon Steel |
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| LIN Wei-ping,FAN Ya-jun,ZHANG Zhan-ling,ZHU Jie-wu,LIU Yong-ning,XU Yan.Influence of Heat-treatment Technology on the Microstructure and Mechanical Properties of Ultra-high Carbon Steel[J].Materials For Mechanical Engineering,2007,31(2):40-42. |
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| Authors: | LIN Wei-ping FAN Ya-jun ZHANG Zhan-ling ZHU Jie-wu LIU Yong-ning XU Yan |
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| Abstract: | The microstructure and mechanical properties of an ultra-high carbon steel (UHCS) containing 1. 6wt% carbon were studied. The carbide in the forged state is spheroidized through the process of divorced-eutectoid transformation (DET) and fine carbide particles distributing dispersedly in ferrite matrix were formed. The following second heat treatment includeing normalizing and quenching with tempering make. The UHCS obtain excellent mechanical properties. The yield strength and tensile strength of UHCS are higher than those of 40CrNiMo, and the plasticity of UHCS is equal to that of 40CrNiMo. |
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| Keywords: | ultra-high carbon steel divorced-euteetoid transformation spheroidizing process |
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