| 高速钢切削刀具超低温相变对耐磨性的影响 |
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| 引用本文： | 朱晓林,黄敏纯,黄蔚平,章嘉琼.高速钢切削刀具超低温相变对耐磨性的影响[J].盐城工学院学报(自然科学版),2009,22(3):33-36. |
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| 作者姓名： | 朱晓林 黄敏纯 黄蔚平 章嘉琼 |
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| 作者单位： | 1. 福州大学,机械工程及自动化学院,福建,福州,350002
2. 合肥工业大学,安徽,合肥,230009 |
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| 基金项目： | 福建省教育厅自然科学基金项目，福州大学科技发展基金项目，福建省属高等院校测试基金项目 |
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| 摘 要： | 研究了回火态W6Mo5Cr4V2高速钢刀具在超低温温度场中发生相变。占高速钢体积百分数最大的回火马内体脱溶出细小、弥散的碳化物颗粒，残留奥氏体也相继发生马氏体转变，最后残留2％左右。试验表明，超低温处理后的高速钢刀具的机械性能进一步增加，特别是耐磨性能显著提高，延长了高速钢刀具的使用寿命。
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| 关 键 词： | 高速钢 超低温 相变 耐磨性 尺度效应 |
The Influence of High Speed Steel Cutting Tool's Cryogenic Phase Transition upon the Wear Resistance |
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| ZHU Xiao-lin,HUANG Min-chun,HUANG Wei-ping,ZHANG Jia-qiong.The Influence of High Speed Steel Cutting Tool's Cryogenic Phase Transition upon the Wear Resistance[J].Journal of Yancheng Institute of Technology(Natural Science Edition),2009,22(3):33-36. |
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| Authors: | ZHU Xiao-lin HUANG Min-chun HUANG Wei-ping ZHANG Jia-qiong |
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| Institution: | 1. College of Mechanical Engineering and Automation,Fuzhou University,Fujian Fuzhou 350002,China; 2. Hefei University of Technology, Anhui Hefei 230009,China) |
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| Abstract: | In the cryogenic temperature field , the phase transition of W6Mo5Cr4V2 high speed steel tool at tempered state is studied . The tempering martensite accounting for the largest volume percentage of high speed steel precipitates fine and dispersed carbide grains ; the retained austenitc continuously transforms into martensite too , and finally retains about 2% . The tests show that the mechanical properties of the HSS cutting tool by cryogenic treatment can be further increased , in particular , the antiwear property is observably raised . The service life of the HSS cutting tool is prolonged. |
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| Keywords: | high speed steel （HSS） cryogenic phase transition wear resistance size effect |
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