Characterization of cold-sprayed copper coatings with new evaluation parameter of EBSD method

Yusuke Watanabe, Yuji Ichikawa, Isamu Nonaka, Hideo Miura

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

The cold spray (CS) technique is a new coating technology that is based on the high velocity impinging of small solid particles on substrates. CS technique allows producing thick deposits at lower thermal load levels on the part. The previous research showed cold sprayed thick deposits exhibited unique mechanical properties. The coating exhibited brittle-like fracture characterized by crack propagation at particle interface. Brittle-like fracture is not suitable for structural applications. In order to use cold sprayed coatings for structural applications with reliability design, the reason of brittle-like fracture should be understood. This study investigated the new evaluation method of the particle interface, which used confidence index and image quality of electron backscatter diffraction method. This method may allow to describe the characteristic differences between particle interface and grain boundary.

Original languageEnglish
Title of host publicationInternational Thermal Spray Conference and Exposition, ITSC 2013
Subtitle of host publicationInnovative Coating Solutions for the Global Economy
PublisherASM International
Pages132-137
Number of pages6
ISBN (Print)9781632666819
Publication statusPublished - 2013 Jan 1
EventInternational Thermal Spray Conference and Exposition: Innovative Coating Solutions for the Global Economy, ITSC 2013 - Busan, Korea, Republic of
Duration: 2013 May 132013 May 15

Publication series

NameProceedings of the International Thermal Spray Conference

Other

OtherInternational Thermal Spray Conference and Exposition: Innovative Coating Solutions for the Global Economy, ITSC 2013
CountryKorea, Republic of
CityBusan
Period13/5/1313/5/15

ASJC Scopus subject areas

  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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