This paper describes the development of detonation-sprayed aluminum-matrix composite coatings reinforced with boron carbide. The goal is to achieve a homogeneous coating structure with low porosity, low oxide content, and high concentration of embedded carbides. Tensile tests of various types were conducted and different stages of deformation were analyzed using micro computed tomography, a 3D imaging technique that reveals the formation of cracks in real time.

B4C-reinforced aluminum, computed tomography, detonation spraying, metal-matrix composite coatings, porosity, tensile testing
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Copyright © 2013 ASM International. All rights reserved.
2013
ASM International
Topics
Boron carbide ceramics Tensile testing Detonation gun spraying X-ray microtomography Porosity Aluminum-matrix composites
Issue Section:
Research and Development
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