Advances in the Structural Integrity of Cold Sprayed Alloys - A Critical Review of Process Models and Mechanical Properties

Vandadi, Mobin; Klenam, Desmond; Rahbar, Nima; Soboyejo, Winston O.

doi:10.1016/b978-0-12-822944-6.00049-9

Cited by 3 publications

(7 citation statements)

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“…These studies used experimental and computational approaches. An overview of some of the ferrous and non-ferrous cold spray coating phenomena, deformation mechanisms, material jetting, and the effects of various microstructural features has been presented [3,[95][96][97]. To make up for the lapses in the original JC model, a modified JC model is proposed for relatively high strain rates [96][97][98][99][100][101].…”

Section: Johnson-cook Modelmentioning

confidence: 99%

“…Complex concentrated alloys (CCAs) are the new frontier for the design of bulk materials and coatings for structural and functional applications [1][2][3][4][5]. This approach by design has disrupted ~5000 years of conventional and serendipitous material discovery processes.…”

Section: Introductionmentioning

confidence: 99%

“…Cold spray is classified as a thermal spray coating technique and an additive manufacturing process [3,[6][7][8][9][10][11][12][13][14][15][16]. The technique has been used to deposit coatings [7,9,17,18], to repair materials [6,8,19], and for design of bulk materials for various structural and functional applications [14][15][16].…”

Section: Introductionmentioning

confidence: 99%

“…As one of the hotspot research areas, there has been increased and timely experimental and published literature on the subject. Since its discovery over 40 years ago in Russia, there have been thematic reviews, book chapters, and books on various aspects of cold spray technology [3,6,9,10,17,[21][22][23][24][25][26]. These ranged from fundamental principles and applications to material perspectives [9,[21][22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

“…The cold spray approach, since its proof of concept on CrCoFeMnNi alloy in 2019, is still in its infancy. Apart from a mini review of structural integrity and material aspects of CCA-based cold spray coating published by the authors [3], there is yet to be published a general overview, which critically assesses the current stage of knowledge in the area. This is ideal in highlighting areas for future research direction.…”

Section: Introductionmentioning

confidence: 99%

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Cold Spray Coatings of Complex Concentrated Alloys: Critical Assessment of Milestones, Challenges, and Opportunities

et al. 2023

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Complex concentrated alloys (CCAs) are structural and functional materials of the future with excellent mechanical, physical, and chemical properties. Due to the equiatomic compositions of these alloys, cost can hinder scalability. Thus, the development of CCA-based coatings is critical for low-cost applications. The application of cold spray technology to CCAs is in its infancy with emphasis on transition elements of the periodic table. Current CCA-based cold spray coating systems showed better adhesion, cohesion, and mechanical properties than conventional one-principal element-based alloys. Comprehensive mechanical behavior, microstructural evolution, deformation, and cracking of cold spray CC-based coatings on the same and different substrates are reviewed. Techniques such as analytical models, finite element analysis, and molecular dynamic simulations are reviewed. The implications of the core effects (high configurational entropy and enthalpy of mixing, sluggish diffusion, severe lattice distortion, and cocktail behavior) and interfacial nanoscale oxides on the structural integrity of cold spray CCA-based coatings are discussed. The mechanisms of adiabatic heating, jetting, and mechanical interlocking, characteristics of cold spray, and areas for future research are highlighted.

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