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点阵分布激光表面强化球铁材料的耐磨性检测
Authors
巴发海
甘翠华
虞钢
鄢国强
Publication date
1 January 2005
Publisher
Abstract
用经过二元光学变换后呈二维点阵(3×3和7×7)分布的脉冲激光束对球铁试样作了表面强化处理,并用环块磨损方法对其进行了耐磨性实验。试验表明,常规的环块磨损实验只能检测均匀材料或者是表层处理材料一定厚度内的耐磨性,而点阵分布脉冲激光表面强化球铁材料,由于其强化区沿层深度方向(激光束方向)的横截面上硬度分布的不均匀以及硬度较高的区域在月牙区的内部,因而,表层耐磨性并不能合理的表征整个强化区的耐磨性。对耐磨性检测方法和一些影响因素进行了分析和讨论,提出了耐磨性的合理测试方法
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 25/11/2020