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Influence of Heat Treatment on Mechanical Properties and Microstructure of Low Alloy Wear Resistant Cast Steel
/in Castings, Heat Treatment Process /by Sara WuHU Zhi-jun, ZHAO Xiao-peng, YANG Yi-tao (School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China) Abstract： The influences of normalizing and tempering temperature on mechanical properties and microstructure of low alloy wear-resistant cast steel were investigated by using a vacuum arc furnace in lab situations. The results show that normalizing can refine the […]
Influence of Heat Treatment on Structure and Properties of High Chrome Cast Iron Grinding Ball (2)
/in Grinding media balls, Heat Treatment Process /by Sara WuWithout heat treatment, the as-cast cast iron grinding ball’s microstructure is austenite + eutectic carbide, which is heated at lower quenching temperature (such as below 950 °c). After Air Cooling, the microstructure contains austenite, eutectic carbide, and martensite; there is also a large troostite (see Fig. 2A). At higher quenching temperature (above 980 °C), the […]
Influence of Heat Treatment on Structure and Properties of High Chromium Cast Iron Grinding Ball (1)
/in Grinding media balls, Heat Treatment Process /by Sara WuAbstract: The effects of heat treatment on the hardness, impact toughness, and casting high chrome grinding ball’s microstructure have been investigated. The results show that the hardness of the ball quenched at 980 ℃and then tempered at 400 ℃ is up to 60. 5 HRC; meanwhile, the impact toughness of that ball is 6. 8J/ […]
Microstructures and Properties of Cr26 High Chromium Cast iron and its heat treatment (2)
/in Castings /by Sara WuMicrostructures and Properties of Cr26 High Chromium Cast iron and its heat treatment (1)
/in Heat Treatment Process /by Sara WuMao Shuang Liang, Shui Heng Yong, Chen Shan shan, Zhao Ai min ( 1. Shanxi Baiyi Machinery Co., Ltd., Taiyuan 030003, China; 2. Research Institute of Metallurgy Engineering, Beijing University of Science and Technical, Beijing 100083, China) Abstract: The chemical composition of Cr26 high chromium cast iron and the effects of heat treatment on its […]