The relationship between the quenched in vacancies, the stacking fault probability and the transformation point of ε martensite, M s, is revealed.
研究了淬火空位、层错几率与马氏体相变点Ｍｓ的关系。
The 4Cr5MoSiV1 instead of 3Cr2W8V steel was used for making hot forging dies of high strengthening bolts and nuts,the life-span of dies increased above two times after vacuum quenching and isothermal quenching processes,the economic benefit was remarkable.
用4Cr5MoSiV1钢代替3Cr2W8V钢制作高强紧固件热锻模,并采用真空淬火加深冷处理、等温淬火工艺,模具寿命提高2倍以上,经济效益显著。
The effect of vacuum quenching temperature,quenching oil temperature and vacuum degree of cooling chamber on the microstructure and mechanical properties of 5CrMnMo steel was studied by means of hardness testing,metallographic examination and impact testing.
通过硬度测量、金相分析和冲击试验,研究了真空淬火温度、淬火油温以及冷却室真空度对5CrMnMo钢组织及性能的影响;研究了非真空回火温度对5CrMnMo钢硬度、冲击韧度的影响;通过测量经真空和非真空热处理前后试样的径向跳动研究了真空淬火对5CrMnMo钢热处理畸变的影响。
