| 一种新型变质剂对高速钢组织与力学性能的影响 |
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| 引用本文： | 胡强,陆德平,樊自田,刘鑫旺,陆磊,邹晋,周喆,付青峰,刘秋香.一种新型变质剂对高速钢组织与力学性能的影响[J].热处理技术与装备,2013(6):27-30. |
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| 作者姓名： | 胡强 陆德平 樊自田 刘鑫旺 陆磊 邹晋 周喆 付青峰 刘秋香 |
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| 作者单位： | [1]华中科技大学材料成型与模具技术国家重点实验室,湖北武汉430074 [2]江西省科学院江西省钨铜新材料重点实验室,江西南昌330029 |
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| 基金项目： | 国家科技支撑计划课题（2011BAC10B04） |
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| 摘 要： | 采用电渣重熔工艺制备高速钢材料,借助光学显微镜和摆锤冲击试验机研究变质剂对高速钢轧辊材料微观组织和冲击性能的影响。结果表明：制备过程中加入变质剂能改变高速钢中共晶碳化物的形貌,部分鱼网状的共晶碳化物组织发生断裂,颗粒状碳化物增多,基体中晶粒更加细小;经过热处理这种趋势变得更加明显,因此高速钢的冲击韧性得到提高,其冲击韧性由8.7 J/cm2增加到9.8 J/cm2。
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| 关 键 词： | 变质剂 电渣重熔 高速钢 共晶碳化物 冲击韧性 |
Effects of a New Type of Modificator on Microstructure and Mechanical Property of High Speed Steel |
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| HU Qiang,LU De-ping,FAN Zi-tian,LIU Xin-wang,LU Lei,ZHOU Jin,ZHOU Zhe,FU Qing-feng,LIU Qiu-xiang.Effects of a New Type of Modificator on Microstructure and Mechanical Property of High Speed Steel[J].Heat Treatment Technology and Equipment,2013(6):27-30. |
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| Authors: | HU Qiang LU De-ping FAN Zi-tian LIU Xin-wang LU Lei ZHOU Jin ZHOU Zhe FU Qing-feng LIU Qiu-xiang |
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| Affiliation: | 1. State Key Laboratory of Material Processing and Die and Mould Technology, Huazhong University of Science and Technology, Wuhan Hubei 430074, China ; 2. Jiangxi Key Laboratory of Advanced Copper and Tungsten Materials, Jiangxi Academy of Sciences, Nanchang Jiangxi 330029, China) |
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| Abstract: | High speed steel roller material was prepared by electroslag remehing （ESR）. Effects of modificator addition on microstructure and impact toughness of high speed steel （HSS） were investigated by microscope and impact tester. The results showed that the morphology of eutectic carbide in HSS was changed with modificator addition in the process of electroslag remelting, part of fishnet eutectic carbide fractured, the amount of granular eutectic carbide increased, and the grain in matrix became smaller. Furthermore, the trend has became more obvious after heat treatment, so the impact toughness of HSS increased from 8.7 J/cm2 to 9.8 J/cm2. |
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| Keywords: | modificator electroslag remehing high speed steel eutectic carbide impact toughness |
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