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1篇 您的检索式:作者名="B.Mahmoudi"
    题名 作者 年代 出处 被引量
1Controlled Laser Transformation Hardening of Martensitic Stainless Steel by Pulsed Nd:YAG Laser显示文摘Laser transformation hardening(LTH) was applied to the surface of the AISI 420 martensitic stainless steel by a pulsed Nd:YAG laser to obtain optimum hardness.The influences of process para-meters(laser pulse energy,duration time,and travel speed) on the depth and hardness of laser treated area were investigated.Image analysis of SEM micros-tructure of AISI 420 showed that plate-like carbide have almost fully and(30~40)% of globular carbide particles dissolved into the matrix after laser transformation hardening by pulsed laser and the microstructure was refined to obtain controlled tempered martensite microstructure with 450 VHN hardness.B.Mahmoudi A.R.Sabour Aghdam M.J.Torkamany 2010Journal of Electronic Science and Technology of China2010,8,1:2
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