Research on a new process of the non-quenched and tempered steel with high strength and high toughness
The controlled-forging and controlled-cooling has become the main process of the non-quenched and tempered steels now. However, there is a problem that the unstable toughness and its lower values restrict the expanded application and the development of the steels. In this study, the process of the non-quenched and tempered steels was optimized through the micro-alloying and the controlled-forging and controlled-cooling technology.The simulated rapid cooling followed by self tempering after forging was tried to control the microstructure and mechanical properties of the steels. A new process of the non-quenched and tempered steels was proposed to ensure high strength and high toughness for the studied steels. The toughening and strengthening mechanism of the steels processed by the new process was discussed and evaluated, which could provide the fundamental theory, technical support and process parameters for the industrialized production of the high strength and high toughness non-quenched and tempered steels.
Non-quenched and tempered steels Self tepening processes High strengh and toughness
Zhou Bo Shen Yong TAN Li YANG Hong-Xin CAO Wen-Quan BAO Yao-Zong
Xinxing Pipes Group Company, Ltd, Handan 056300, Hebei, China Kunming University of Science and Technology, Kunming, Yunnan 650093 Central Iron & Steel Research I Great Wall Motor Company Limited, Baoding 071000, Hebei, China Central Iron & Steel Research Institute, Beijing 100081
国际会议
北京
英文
155-159
2012-10-23（万方平台首次上网日期，不代表论文的发表时间）