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材料研究学报  2009, Vol. 23 Issue (3): 305-310    
  研究论文 本期目录 | 过刊浏览 |
淬火--配分--回火工艺处理钢的三体冲击磨损性能研究
王存宇1;  时捷1;  刘苏1;  杜劭峰1;2;  董瀚1
1.钢铁研究总院结构材料研究所北京 100081
2.内蒙古第一机械集团中艺技术中心 包头 014032
Study on three--body impact--abrasion of steel treated by quenching--partitioning--tempering process
WANG Cunyu 1; SHI Jie 1;  LIU Su 1;  DU Shaofeng 1;  DONG Han 1
1.Institute for Structural Materials; Central Iron $\&$ Steel Research Institute; Beijing 100081
2.Center of Technology; Inner Mongolia First Machinery Group; Baotou 014032
引用本文:

王存宇 时捷 刘苏 杜劭峰 董瀚. 淬火--配分--回火工艺处理钢的三体冲击磨损性能研究[J]. 材料研究学报, 2009, 23(3): 305-310.
, , , , . Study on three--body impact--abrasion of steel treated by quenching--partitioning--tempering process[J]. Chin J Mater Res, 2009, 23(3): 305-310.

全文: PDF(859 KB)  
摘要: 

研究了“淬火--配分--回火”(Q--P--T)工艺对20Si2Ni3钢三体冲击磨料磨损性能的影响. 结果表明, 随试验冲击能量从0.5 J增加到3.5 J, 试样的磨损失重量先增大后减小, 在2.5 J时出现峰; 试样经Q--P--T工艺处理后的磨损失重量低于传统淬火回火(Q--T)工艺处理的试样, 其主要磨损机制由犁削向应变疲劳转变; 经Q--P--T处理的样品在磨损试验后的表面加工硬化层厚度明显高于经Q--T处理的样品. 分析认为基体的高塑韧性及其在磨损过程中的形变强化和残余奥氏体的相变强化是Q--P--T工艺处理钢具有较好的抗冲击磨料磨损性能的原因.

关键词 金属材料马氏体淬火--配分--回火工艺三体冲击磨料磨损残余奥氏体    
Abstract

The effect of “quenching--partitioning--tempering”(Q--P--T) process on three--body impact--abrasion of 20Si2Ni3 steel was investigated. The results show that as increasing of the impact energy from 0.5 J to 3.5 J, the mass loss of the samples increases firstly and then decreases, and reaches maximum value at the impact energy of 2.5 J. The mass loss of the samples treated by Q--P--T is lower than those treated by Q--T. Major abrasion behavior is transition from cut to fatigue, and the thickness of the surface work--hardening for the samples treated by Q--P--T is much larger than that of Q--T treated. It is reasonable to propose that the better resistance in impact abrasive for the samples treated by Q--P--T process arises from high--toughness, work--hardening of the alloy matrix, the phase and deformation transformation strengthening of the retained austenite
during abrasing.

Key wordsmetallic materials, martensite    quenching--partitioning--tempering process    three body impact abrasive wear    retained austenite
收稿日期: 2008-12-18     
ZTFLH: 

TG115

 
基金资助:

国家八六三计划新材料领域2009AA03Z519资助项目.

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