Affiliation:
1. Department of Materials Science and Engineering Shiraz University of Technology Shiraz Iran
2. Faculty of Materials and Manufacturing Technologies Malek Ashtar University of Technology Tehran Iran
Abstract
AbstractThe aluminizing behavior of high‐velocity oxy‐fuel sprayed CoNiCrAlY, or NiCoCrAlY‐coated IN738LC alloy has been investigated via asingle or two‐step pack cementation aluminizing processes. The microstructural study showed that a more desirable low aluminum‐containing MCrAlY coating is obtained through single‐step aluminizing. The resultant over‐aluminized coating microstructure consisted of the Co‐containing beta‐NiAl in the aluminide top layer and the Ni−Co−Cr‐based austenitic gamma solid solution matrix decorated with the Co‐containing beta‐NiAl islands in the MCrAlY zone.
Subject
Materials Chemistry,Metals and Alloys,Surfaces, Coatings and Films,Mechanical Engineering,Mechanics of Materials,Environmental Chemistry,Materials Chemistry,Metals and Alloys,Surfaces, Coatings and Films,Mechanical Engineering,Mechanics of Materials,Environmental Chemistry,Materials Chemistry,Metals and Alloys,Surfaces, Coatings and Films,Mechanical Engineering,Mechanics of Materials,Environmental Chemistry
Cited by
5 articles.
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