title: Microstructure refinement of cold-sprayed copper investigated by electron channeling contrast imaging.
abstract: The electron channeling contrast imaging technique was used to investigate the microstructure of copper coatings fabricated by cold gas dynamic spray. The high velocity impact characteristics for cold spray led to the formation of many substructures, such as high density dislocation walls, dislocation cells, deformation twins, and ultrafine equiaxed subgrains/grains. A schematic model is proposed to explain structure refinement of Cu during cold spray, where an emphasis is placed on the role of dislocation configurations and twinning.
authors: 1Department of Mining and Materials Engineering,McGill University,3610 University Street,Montreal,Canada QC H3A 0C5.
authors: Yinyin
authors: Y
authors: Zhang
authors: 1Department of Mining and Materials Engineering,McGill University,3610 University Street,Montreal,Canada QC H3A 0C5.
authors: Nicolas
authors: N
authors: Brodusch
authors: 1Department of Mining and Materials Engineering,McGill University,3610 University Street,Montreal,Canada QC H3A 0C5.
authors: Sylvie
authors: S
authors: Descartes
authors: 1Department of Mining and Materials Engineering,McGill University,3610 University Street,Montreal,Canada QC H3A 0C5.
authors: Richard R
authors: RR
authors: Chromik
authors: 1Department of Mining and Materials Engineering,McGill University,3610 University Street,Montreal,Canada QC H3A 0C5.
authors: Raynald
authors: R
authors: Gauvin