Research Topic

Advanced Functional Structures by Cold Spray Additive Manufacturing

About this Research Topic

Cold spray is an emerging technology for rapid coating deposition and additive manufacturing which has attracted more and more attention over recent years. The fundamental working principle of cold spray technology is that micro-sized metal particles are accelerated by a high-pressure gas to a supersonic speed via a convergent-divergent nozzle. With high kinetic energies, the metal particles deposit on the substrate surface and form a dense coating of high adhesive strength with low temperature input. Traditionally, the main applications of such coatings are anti-corrosion and anti-wear. However, nowadays, the functions of coatings have expanded significantly, including highly conductive, biomedical friendly, and antibacterial, amongst others. Cold spray has the potential to fabricate a wide range of functional coatings and structures.



This Research Topic aims to present cutting-edge research on novel functional structures fabricated by cold spray technology, thereby expanding the application boundaries for cold spray technology. In current research, the bonding mechanism in cold spray is still a mystery and needs further investigation. Many studies focus on microstruture, hardness, tensile strength, corrosion and wear performances of cold sprayed coatings but novel coating materials and different properties require better exploration. This Research Topic aims to fill this gap.



This Research Topic will feature Original Research papers Reviews, and Mini-Reviews, analyzing topics including, but not limited to:

• The mechanism of formation of the structure of the cold spray coatings;

• Experimental studies of the processes of formation of functional coatings with different properties;

• Studies of the structure and properties of coatings;

• The development of mathematical models predicting the structure and properties of cold spray coatings;

• The improvement of existing, and the development of novel, coating materials.


Keywords: Cold Spray, Functional Structures, Biomedical, Highly Conductive, Antibacterial


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

Cold spray is an emerging technology for rapid coating deposition and additive manufacturing which has attracted more and more attention over recent years. The fundamental working principle of cold spray technology is that micro-sized metal particles are accelerated by a high-pressure gas to a supersonic speed via a convergent-divergent nozzle. With high kinetic energies, the metal particles deposit on the substrate surface and form a dense coating of high adhesive strength with low temperature input. Traditionally, the main applications of such coatings are anti-corrosion and anti-wear. However, nowadays, the functions of coatings have expanded significantly, including highly conductive, biomedical friendly, and antibacterial, amongst others. Cold spray has the potential to fabricate a wide range of functional coatings and structures.



This Research Topic aims to present cutting-edge research on novel functional structures fabricated by cold spray technology, thereby expanding the application boundaries for cold spray technology. In current research, the bonding mechanism in cold spray is still a mystery and needs further investigation. Many studies focus on microstruture, hardness, tensile strength, corrosion and wear performances of cold sprayed coatings but novel coating materials and different properties require better exploration. This Research Topic aims to fill this gap.



This Research Topic will feature Original Research papers Reviews, and Mini-Reviews, analyzing topics including, but not limited to:

• The mechanism of formation of the structure of the cold spray coatings;

• Experimental studies of the processes of formation of functional coatings with different properties;

• Studies of the structure and properties of coatings;

• The development of mathematical models predicting the structure and properties of cold spray coatings;

• The improvement of existing, and the development of novel, coating materials.


Keywords: Cold Spray, Functional Structures, Biomedical, Highly Conductive, Antibacterial


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

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Submission Deadlines

27 August 2021 Abstract
25 December 2021 Manuscript

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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Topic Editors

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Submission Deadlines

27 August 2021 Abstract
25 December 2021 Manuscript

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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