A study of wear resistance for C, Co and C+Co implanted HSS

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A study of wear resistance for C, Co and C+Co implanted HSS

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- A study of wear resistance for C, Co and C+Co implanted HSS
- NUCLEAR TECHNIQUES Issue 2, (1999)
- 作者机构：
  
  北京师范大学低能核物理研究所,北京,100875
- 作者简介：
- 基金信息：
  
  国家自然科学基金!59671051;国家“863”计划资助!863－715－23－02－01
- DOI：
  CLC： TG142
- Published：01 February 1999
- 稿件说明：
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[1]马芙蓉,张通和,梁宏.C、Co及C+Co双注入对高速钢机械性能影响的研究[J].核技术,1999(02):84-88.

A study of wear resistance for C, Co and C+Co implanted HSS[J]. Nuclear techniques, 1999, (2): 84-88.
[1]马芙蓉,张通和,梁宏.C、Co及C+Co双注入对高速钢机械性能影响的研究[J].核技术,1999(02):84-88. DOI：

A study of wear resistance for C, Co and C+Co implanted HSS[J]. Nuclear techniques, 1999, (2): 84-88. DOI：

摘要

采用ＭＥＶＶＡ源离子注入机对高速工具钢（ＨＳＳ）进行了Ｃ、Ｃｏ及Ｃ＋Ｃｏ双注入，并做了硬度、摩擦系数测量和磨损实验。Ｃ离子注入剂量３×１０１７ｃｍ－２，能量６０ｋｅＶ；Ｃｏ离子注入剂量为２×１０１７、４×１０１７、６×１０１７ｃｍ－２，能量１０２ｋｅＶ。结果表明，不同元素、不同剂量的离子注入均能有效地改善ＨＳＳ的硬度和摩擦磨损特性，从而极大延长ＨＳＳ的工作寿命，且随着注入剂量的增加，改善的效果有所增强。另外，Ｃｏ离子注入有较好的润滑作用，能提高ＨＳＳ表面的韧性和弹性，使其具有良好的自修复能力。

Abstract

The HSS samples were implanted with 3×10`17cm-2 of 60keV C ions and (2-6) 10`17cm-2 of 102keV Co ions respectively

from a MEVVA ion source.The average beam flux was about 26.5 A. cm-2 The surface friction coefficient and hardness were measured

and wearing test was made. It was shown that the surface hardness of C

Co or C+Co implanted HSS increased from 15% to 50%

and the C+Co dual implanted surface of HSS was the hardest.The surface friction coefficient of HSS implanted with Co or C+Co ions decreased from 0.42 to 0.14. The wear resistance of the surface modified by C+Co dual implantation was better than that modified by C or Co single implantation. The surface of HSS implanted with Co ions had better lubricity

elasticity and tenacity. The C+Co dual implantation was one of the best methods to improve the surface wear resistance of HSS.

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