Ni—Nb及Ni—Nb—Cr合金激光非晶化及其耐腐蚀性能的研究
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Keywords: Ni-Nb合金,激光非晶化,耐腐蚀性
Abstract:
用1.91kW连续CO_2激光得到了部分非晶态,用4.5kW及4.9kW得到了单道纯非晶及多道搭接成片部分晶化非晶涂层。所得动电位极化曲线表明,非晶态Ni_(60)Nb_(40)的耐腐蚀性远优于晶态的Ni_(60)Nb_(40),在Ni-Nb中加Cr所得非晶涂层其耐腐蚀性有很大提高,且优于18-8不锈钢。
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