Microstructural evolution and corrosion properties of Ni-based alloy coatings fabricated by multi-layer laser cladding on cast iron

To solve the problem of brittleness at the bonding interface, the multi-layer laser cladding method was carried out to fabricate Ni-based alloy coating on the compacted graphite cast iron. The effect of dilution rate on the microstructure and corrosion behavior of the coatings were investigated. The...

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Veröffentlicht in:	Journal of alloys and compounds 2020-05, Vol.822, p.153708, Article 153708
Hauptverfasser:	Liu, Jian, Liu, Hao, Tian, Xianhua, Yang, Haifeng, Hao, Jingbin
Format:	Artikel
Sprache:	eng
Schlagworte:	Cast iron Coatings Corrosion effects Corrosion mechanisms Corrosion resistance Corrosion resistant alloys Corrosion tests Dendritic structure Dilution Electrochemical impedance spectroscopy Intergranular corrosion Laser beam cladding Lattice vacancies Martensite Martensitic transformations Microstructural evolution Microstructure Multi-layer laser cladding Multilayers Nickel base alloys Passive film Phase transitions Pitting (corrosion) Point defects Room temperature
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