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工程力学  2012 

直裂纹电磁热止裂与激光再制造的实验研究

DOI: 10.6052/j.issn.1000-4750.2011.03.0124

Keywords: 超强脉冲放电,激光熔覆,再制造,微观组织,力学性能

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Abstract:

利用ZL-2型超强脉冲放电装置对带有直裂纹的构件进行电磁热止裂,然后利用激光熔覆技术对止裂后的构件进行修复。对止裂前后裂尖处微观组织进行金相组织对比分析,对经过激光熔覆前后试件进行耐磨性能对比,发现熔覆后的试件耐磨性能得到显著提高,最后对修复前后的试件进行力学性能对比,结果表明:放电止裂与激光再制造的试件力学性能得到显著提高,实现了再制造的目的。

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