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Abstract:
由于搭接扫描的影响,激光扫描带内的不同区域之间存在着硬度落差,并且搭接区极易出现裂纹.通过数值模拟方法可以精确给出光束移动过程中搭接区内的温度和应力变化规律,从而给出激光扫描形成回火区和二次淬火区的理论解释.仿真结果表明,选取不同的搭接参数对于该区域的温度变化规律影响不大,但从改善表面硬度不均和搭接区裂纹的角度出发,搭接参数不宜过大.
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激光技术
ISSN: 1001-3806
Year: 2005
Issue: 4
Volume: 29
Page: 370-372
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 2
Chinese Cited Count:
30 Days PV: 7
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