High-velocity oxy-fuel coating of AMDRY 9954 on to Ti-6Al-4V alloy: Fracture toughness measurement-Reference-Cited by-同舟云学术

High-velocity oxy-fuel coating of AMDRY 9954 on to Ti-6Al-4V alloy: Fracture toughness measurement

Published:2007-04-01 Issue:4 Volume:221 Page:617-623
ISSN:0954-4054
Container-title:Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
language:en
Short-container-title:Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture

Author:

Al-Anazi D¹,Hashmi M S J¹,Yilbas B S¹

Affiliation:

1. Department of Mechanical Engineering, King Fahd University of Petroleum and Minerals, Saudi Arabia

Abstract

High-velocity oxy-fuel (HVOF) coating of AMDRY 985 on to Ti-6Al-4V alloy is carried out and fracture toughness of the coating is examined using indentation tests. The workpiece coated was heat treated for 1 h at annealing temperature to resemble the high heating ambients found in practice. Three-point bending test data are used to determine Young's modulus of the coating prior to and after heat treatment. It is found that heat treatment enhances the oxidation levels in the surface region of the coating, which then acts like the centres for early crack initiation. Once the crack formed at the surface reaches the coating substrate interface, total failure of the coating results.

Publisher

SAGE Publications

Subject

Industrial and Manufacturing Engineering,Mechanical Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1243/09544054JEM715

Reference21 articles.

1. Effect of sprayed powder particle size on the oxidation behavior of MCrAlY materials during high velocity oxygen-fuel deposition

2. Structural Changes in High Velocity Oxy-Fuel Sprayed Cr₃C₂/NiCr 75/25 Coatings after Annealing Treatments

3. Effect of Heat Treatment on Characteristics of High Velocity Oxygen-Fuel Flame Sprayed Coatings (WC-27 mass%NiCr)

4. Influence of Cryomilling on the Morphology and Composition of the Oxide Scales Formed on HVOF CoNiCrAlY Coatings

5. Mechanical properties of HVOF coatings

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