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金属学报  1991, Vol. 27 Issue (2): 66-70    
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接触疲劳过程中的诱发相变和冷作硬化
张同俊;胡镇华;沈关学;崔崑
华中理工大学机二系金属材料教研室;副教授武汉(430074);华中理工大学;华中理工大学;华中理工大学
INDUCED TRANSFORMATION AND COLD WORKED HARDENING IN THREE STEELS DURING CONTACT FATIGUE
ZHANG Tongjun;HU Zhenhua;SHEN Guanxue;CUI Kun Huazhong University of Science and Technology; Wuhan
引用本文:

张同俊;胡镇华;沈关学;崔崑. 接触疲劳过程中的诱发相变和冷作硬化[J]. 金属学报, 1991, 27(2): 66-70.
, , , . INDUCED TRANSFORMATION AND COLD WORKED HARDENING IN THREE STEELS DURING CONTACT FATIGUE[J]. Acta Metall Sin, 1991, 27(2): 66-70.

全文: PDF(775 KB)  
摘要: 研究了三种丝杠钢的接触疲劳性能。利用TEM和背散射Mossbauer谱研究了三种钢在接触疲劳前后的显微组织结构;测量了接触区中心线下显微硬度随层深的变化。结果表明:接触应力诱发A_R→M相变,并导致一定深度的冷作硬化。讨论了诱发相变和冷作硬化对接触疲劳性能的影响。
关键词 接触疲劳诱发相变冷作硬化Mossbauer谱    
Abstract:Investigations were made by TEM, back scattering Mossbauer spectra,etc. to study the contact fatigue properties, to observe the microstructures beforeand after contact fatigueing and to measure the microhardness distribution beneaththe contact surface of the three leading screw steels. The martensitic transformationof retained austenite and the cold worked hardening are induced by contact stress.The effect of induced transformation and cold. worked hardening on the contactfatigue properties has been discussed. It is believed that the contact fatigue proper-ties of the steels may be improved by means of increasing the austenite content, yettheir hardness does not reduce so much.
Key wordscontact fatigue    induced transformation    cold worked hardening
收稿日期: 1991-02-18     
基金资助:机械电子工业部技术发展基金
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