Numerical analysis on substrate melting during plasma-spraying cast iron on aluminum surface
In this work, a one-dimension heat transfer model was used to investigate the integrated effect of cast iron droplet solidification, cooling, and melting and resolidification of aluminum substrate during spraying. The results indicated that the substrate surface temperature could be higher than its melting point during the splat deposition. This indicates that the substrate melting will take place under present condition. On the other hand, it is also found that initial substrate temperature has a profound effect on the development of melt undercooling in a splat, the splat bottom temperature, and the substrate surface temperature. A high initial temperature of the substrate promotes a deeper melting of substrate surface, which may lead to the metallurgical bonding formation between the cast iron splat and the aluminum substrate.
Yazhe Xing Chaoping Jiang Jianmin Hao Rui Sun
Engineering Research Center of Transportation Materials, Ministry of Education,School of Materials Science and Engineering, Chang’an University, Xi’an Shaanxi 710064 China
国际会议
桂林
英文
1-7
2010-11-16（万方平台首次上网日期，不代表论文的发表时间）