| 无莱氏体超硬高韧高速钢M2Si |
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| 引用本文： | 戚正风,王传雅,王莎莎,吕新华,徐凡娴,孟宪勇,孙丽娜,胡克畏.无莱氏体超硬高韧高速钢M2Si[J].特殊钢,1999,20(1):45-48. |
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| 作者姓名： | 戚正风 王传雅 王莎莎 吕新华 徐凡娴 孟宪勇 孙丽娜 胡克畏 |
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| 作者单位： | 1. 大连铁道学院,大连,116028
2. 本钢特钢公司 |
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| 摘 要： | 与Ｍ２钢对比，新型高速钢Ｍ２Ｓｉ的硅含量提高到１．０％，碳含量降至０．５５％。该钢渗碳、淬、回火后的表面硬度高于６７￣６８ＨＲＣ，心部硬度为５５ＨＲＣ，无碳化物偏析及粗大碳化物，是一种价廉的超硬高韧高速钢。
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| 关 键 词： | 高速钢 超饱和渗碳 超硬 高韧性 莱氏体 |
Non-Ledeburite Super Hardness High Toughness High Speed Steel M2Si |
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| Qi Zhengfeng,Wang Chuanya,Wang Shasha,Lü Xinhua,Xu Fanxian,Meng Xianyong,Sun Lina,Hu Kewei.Non-Ledeburite Super Hardness High Toughness High Speed Steel M2Si[J].Special Steel,1999,20(1):45-48. |
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| Authors: | Qi Zhengfeng Wang Chuanya Wang Shasha Lü Xinhua Xu Fanxian Meng Xianyong Sun Lina Hu Kewei |
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| Abstract: | Comparison with steel M2,The silicon content of the
new type high speed steel M2Si decreased to 1.0% and the carbon content decreased to 0.55%.
With no carbide segregation and coarse carbide the surface and core hardness of the new
steel quenched and tempered after carburizing were more then 6768 HRC and 55 HRC
respectively. It is a cheap super hardness high toughness high speed steel. |
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| Keywords: | High Speed Steel Super Carburizing Super Hardness High Toughness |
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