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Surface hardening of steel by pulse laser with proportional intensity distribution spots
Authors
何秀丽
孙培培
+3 more
李少霞
王恒海
虞钢
Publication date
1 January 2011
Publisher
Abstract
激光硬化层均匀性受光束空间强度分布和作用时间的影响.采用二元光学变换技术得到光束中心线强度比值为1:2:3,3:2:1和1:1:1的5×5点阵光斑,研究这三种强度分布光斑对Q235钢脉冲激光硬化后表面形貌,硬化层形状,硬度及耐磨性的影响.结果表明,激光光斑的空间强度分布对Q235钢硬化层均匀性影响很大,1:2:3强度分布光斑作用下的材料表面形貌,硬化层均匀性,硬度均匀度均优于1:1:1强度分布光
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018