Laser cladding of eutectic-based Ti–Ni–Al alloy coating on magnesium surface

A Ti 70.3Ni 22.2Al 7.5 alloy, optimized from a basic binary eutectic Ti 76Ni 24 alloyed with different amounts of Al, was laser-clad on AZ91HP magnesium alloy. The coating mainly consists of β-Ti solid solution and Ti 2Ni intermetallic compound resulting in high hardness, good wear resistance and co...

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Veröffentlicht in:	Surface & coatings technology 2010-09, Vol.205 (1), p.189-194
Hauptverfasser:	Wang, Cunshan, Li, Ting, Yao, Biao, Wang, Rui, Dong, Chuang
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Bonding Coating Cross-disciplinary physics: materials science rheology Eutectic Eutectics Exact sciences and technology Laser beam cladding Laser cladding Magnesium Magnesium alloy Magnesium base alloys Materials science Metallic coatings Metals. Metallurgy Physics Production techniques Protective coatings Solid solutions Surface treatment Surface treatments Ti-based alloy Wear resistance
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Beschreibung
Zusammenfassung:	A Ti 70.3Ni 22.2Al 7.5 alloy, optimized from a basic binary eutectic Ti 76Ni 24 alloyed with different amounts of Al, was laser-clad on AZ91HP magnesium alloy. The coating mainly consists of β-Ti solid solution and Ti 2Ni intermetallic compound resulting in high hardness, good wear resistance and corrosion resistance. The interface between the clad layer and the substrate has a good metallurgical bonding.
ISSN:	0257-8972 1879-3347
DOI:	10.1016/j.surfcoat.2010.06.032