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Published in last 1 year |  In last 2 years |  In last 3 years |  All Please wait a minute... For Selected: Download Citations EndNote Ris BibTeX Toggle Thumbnails Select Research status and development prospect of steels for shovel teeth at home and abroad Zheng Lili, Peng Jun, An Shengli, Zhang Fang, Peng Jihua, Li Junping, Jiao Haidong Heat Treatment of Metals    2020, 45 (5): 229-235.   doi:10.13251/j.issn.0254-6051.2020.05.044 Abstract （51）      PDF （625KB）（21）       Knowledge map    The classification of the shovel teeth was summarized. From the different microstructures of steels for shovel teeth, the development of steels for various types of shovel teeth had been described at home and abroad, including the specific chemical composition, heat treatment, comprehensive performance and existing problems, etc. The advantages and disadvantages of austenitic wear-resistant steel shovel teeth, martensite wear-resistant steel shovel teeth, bainite wear-resistant steel shovel teeth and composite phase shovel teeth were summarized, and the problems of steels for shovel teeth in China were summarized. It can be found that the steels of the bainite structure has a broad development space. Reference | Related Articles | Metrics Select Research prospects and effect of high magnetic field on martensite transformation of steel Wu Guanghui, Hou Tingping, Li Zihua, Hu Feng, Zhou Wen, Xin Rui, Wu Kaiming Heat Treatment of Metals    2020, 45 (5): 236-242.   doi:10.13251/j.issn.0254-6051.2020.05.045 Abstract （54）      PDF （623KB）（21）       Knowledge map    The external magnetic field will change the phase transformation process from austenite to martensite, and influence the microstructure of martensite due to the magnetic difference of these phases. In this paper, the effect of high magnetic field on martensitic transformation is discussed. Related research shows show that magnetic field can increase the starting temperature of martensite transformation, which is mainly caused by the effects of magnetostatic energy, high field susceptibility and magnetostriction of magnetic field. The magnetic field boosts the transformation of martensite by promoting its nucleation and growth. However, the magnetic field has little effect on the morphology of martensite. At the same time, the latest progress and future prospects of martensite transformation under high magnetic field are introduced. Reference | Related Articles | Metrics Select High-end oriented heat treatment Xu Yueming, Li Qiao, Luo Xinmin, Cong Peiwu Heat Treatment of Metals    2020, 45 (4): 1-4.   doi:10.13251/j.issn.0254-6051.2020.04.001 Abstract （240）      PDF （990KB）（435）       Knowledge map    The main characteristics and developing direction of high-end oriented heat treatment were analyzed in view of the process of realizing the high-quality development of heat treatment industry and industrial upgrading in China. Aiming at the developing requirements of materials heat treatment processes and heat treatment quality improvement under the background of intelligent manufacturing, the key technology roadmap for realizing high-end oriented heat treatment and the relative cutting-edge technologies were pointed out. Reference | Related Articles | Metrics Select Study and consideration on pollution coefficient of metal heat treatment process Wang Weilin, Tong Xiaohui, Wu Jinjun, Chen Xiaohui, Zhao Qiang, Liu Yun, Jiao Ju Heat Treatment of Metals    2020, 45 (4): 5-9.   doi:10.13251/j.issn.0254-6051.2020.04.002 Abstract （130）      PDF （1058KB）（425）       Knowledge map    Energy conservation and environmental protection is the prerequisite for the transformation and upgrading of China's manufacturing industry. The green production and energy conservation of manufacturing industry is an important symbol of the development of manufacturing industry. Heat treatment is one of the main basic manufacturing technologies, its green and energy-saving level reflects the overall development of the manufacturing industry. It is of positive significance to study the wastes characteristics of heat treatment process itself. Based on the work results of the project “the second national census of industrial pollution sources and the production and emission accounting of industrial pollution sources”, and in view of metal heat treatment process and procedures, a profound study of its pollution generating characteristics and pollution coefficient,was carried out, in order to actively provide a inspection basis for the second national census of industrial pollution sources total pollution production accounting. Reference | Related Articles | Metrics