Influence of surface change of substrate due to impacting behavior of plasma spraying particles
In this paper,the process of many particles hitting the same point of the substrate has been studied and an approximated formula to estimate maximum number of impact on the same point has been obtained through analytical analysis.Particles number of impacting on the same point of substrate must be small than this critical number to prevent substrate failure.The calculation results shows that for 45 steel,it is 21 when initial velocity is 40m/s,15 when initial velocity is 60 m/s,12 when initial velocity is 80 m/s and 4 when initial velocity is 240 m/s.With the increase of the particles initial velocity,the maximum number of speculation by the analytical model becomes linear.Accordingly we can deduce that this treatment does not cause the damage of substrate material.
plasma spraying maximum number of particles analytical model substrate
NIU Li-ping ZHANG Ting-an SHI Guan-yong HE Ji-cheng
School of Materials and Metallurgy,Northeastern University,Shenyang,110819,Liaoning,China;Key Labora School of Materials and Metallurgy,Northeastern University,Shenyang,110819,Liaoning,China
国际会议
The 7th International Conference on Electromagnetic Processing of Materials(第七届冶金与材料电磁过程国际大会)
北京
英文
1-6
2012-10-22（万方平台首次上网日期，不代表论文的发表时间）