Porosity elimination and heat treatment of diode laser-clad homogeneous coating on cast aluminum-copper alloy

Laser cladding of homogeneous coating onto ZL205A substrate by using a high-power diode laser was investigated in order to repair casting defects of ZL205A aluminum alloy. Single and multi-layer laser cladding was carried out to optimize laser process parameters. Pores on the cross-sections of the l...

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Veröffentlicht in:	Surface & coatings technology 2017-07, Vol.321, p.26-35
Hauptverfasser:	Yang, Zhixiang, Wang, Aihua, Weng, Zhikun, Xiong, Dahui, Ye, Bin, Qi, Xiaoyong
Format:	Artikel
Sprache:	eng
Schlagworte:	Aging (artificial) Aluminum alloys Aluminum base alloys Aluminum–copper alloy Cast copper alloys Casting defects Coatings Copper Copper base alloys Crystal defects Dendritic structure Distributing Feed rate Grain boundaries Heat treating Heat treatment Homogeneous laser cladding Laser beam cladding Lasers Mechanical properties Microhardness Microstructure Optimization Porosity Process parameters Restoration Solution heat treatment
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