| 20Ni4Mo钢高风压钻头渗碳淬火件的检验方法 |
| |
| 引用本文： | 吴谢芳,宋菊峰. 20Ni4Mo钢高风压钻头渗碳淬火件的检验方法[J]. 金属热处理, 2003, 28(3): 67-69 |
| |
| 作者姓名： | 吴谢芳 宋菊峰 |
| |
| 作者单位： | 1. 中南大学,机电工程学院,长沙,410012
2. 长沙矿山研究院机械厂,长沙,410012 |
| |
| 摘 要： | 比较了高风压钻头渗碳层深度的不同检验方法，并对其正确性和实用性进行了探讨。除了ISO2639-1982标准规定用9．807N载荷的维氏硬度法测定有效硬化层深度外，对维氏硬度计用其他几种载荷来测定有效硬化层深度的适应性进了探讨。研究了有效硬化层分界处的碳含量及显微组织特征。
|
| 关 键 词： | 渗碳层深度 有效硬化层深度 显微组织 |
| 文章编号： | 0254-6051(2003)03-0067-03 |
Testing Methods for High Air Pressure Drill of 20Ni4Mo Steel After Carburizing and Quenching |
| |
| WU Xie-fang,SONG Ju-feng. Testing Methods for High Air Pressure Drill of 20Ni4Mo Steel After Carburizing and Quenching[J]. Heat Treatment of Metals, 2003, 28(3): 67-69 |
| |
| Authors: | WU Xie-fang SONG Ju-feng |
| |
| Affiliation: | WU Xie-fang1,SONG Ju-feng2 |
| |
| Abstract: | This paper compared several testing methods of carburized depth of high air pressure drill and evaluafed their accurately and practicality.Besides testing the effective hardening layer depth with load of 9.807N of Vickers hardness according to ISO standard,applicability for other loads were discussed.The carbon contents and microstructure in the boundary of effective hardening layer were also discussed. |
| |
| Keywords: | carburized depth effective hardening layer depth microstructure |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
