Study on impact fusion at particle interfaces and its effect on coating microstructure in cold spraying

Wen Ya Li; Chao Zhang; Xueping Guo; Chang Jiu Li; Hanlin Liao; C. Coddet

doi:10.1016/j.apsusc.2007.06.026

Study on impact fusion at particle interfaces and its effect on coating microstructure in cold spraying

Wen Ya Li, Chao Zhang, Xueping Guo, Chang Jiu Li, Hanlin Liao, C. Coddet

Research output: Contribution to journal › Article › peer-review

128 Scopus citations

Abstract

This paper deals with the impact melting phenomenon at the interfaces between the deposited particles in cold-sprayed coatings and its effect on coating microstructure and particle bonding mechanism. Al-12Si, Al2319, Ti, Ti-6Al-4V, Ni and NiCoCrAlTaY powders were selected as feedstocks, which have various thermal and mechanical properties. The analytical results showed that most of the used materials possibly experienced the local melting at the contact interfaces of particles under certain impact conditions. Low melting point, relatively high gas temperature and chemical reaction with the atmosphere are the main factors contributing to the impact fusion during cold spraying. The results also indicated that the local melting would benefit the formation of a metallurgical bonding between the deposited particles and enhance the coating cohesion.

Original language	English
Pages (from-to)	517-526
Number of pages	10
Journal	Applied Surface Science
Volume	254
Issue number	2
DOIs	https://doi.org/10.1016/j.apsusc.2007.06.026
State	Published - 15 Nov 2007
Externally published	Yes

Keywords

Aluminium alloy
Cold spraying
Impact fusion
Nickel alloy
Particles
Titanium alloy

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10.1016/j.apsusc.2007.06.026

Cite this

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title = "Study on impact fusion at particle interfaces and its effect on coating microstructure in cold spraying",

abstract = "This paper deals with the impact melting phenomenon at the interfaces between the deposited particles in cold-sprayed coatings and its effect on coating microstructure and particle bonding mechanism. Al-12Si, Al2319, Ti, Ti-6Al-4V, Ni and NiCoCrAlTaY powders were selected as feedstocks, which have various thermal and mechanical properties. The analytical results showed that most of the used materials possibly experienced the local melting at the contact interfaces of particles under certain impact conditions. Low melting point, relatively high gas temperature and chemical reaction with the atmosphere are the main factors contributing to the impact fusion during cold spraying. The results also indicated that the local melting would benefit the formation of a metallurgical bonding between the deposited particles and enhance the coating cohesion.",

keywords = "Aluminium alloy, Cold spraying, Impact fusion, Nickel alloy, Particles, Titanium alloy",

author = "Li, {Wen Ya} and Chao Zhang and Xueping Guo and Li, {Chang Jiu} and Hanlin Liao and C. Coddet",

year = "2007",

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doi = "10.1016/j.apsusc.2007.06.026",

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journal = "Applied Surface Science",

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T1 - Study on impact fusion at particle interfaces and its effect on coating microstructure in cold spraying

AU - Li, Wen Ya

AU - Zhang, Chao

AU - Guo, Xueping

AU - Li, Chang Jiu

AU - Liao, Hanlin

AU - Coddet, C.

PY - 2007/11/15

Y1 - 2007/11/15

N2 - This paper deals with the impact melting phenomenon at the interfaces between the deposited particles in cold-sprayed coatings and its effect on coating microstructure and particle bonding mechanism. Al-12Si, Al2319, Ti, Ti-6Al-4V, Ni and NiCoCrAlTaY powders were selected as feedstocks, which have various thermal and mechanical properties. The analytical results showed that most of the used materials possibly experienced the local melting at the contact interfaces of particles under certain impact conditions. Low melting point, relatively high gas temperature and chemical reaction with the atmosphere are the main factors contributing to the impact fusion during cold spraying. The results also indicated that the local melting would benefit the formation of a metallurgical bonding between the deposited particles and enhance the coating cohesion.

AB - This paper deals with the impact melting phenomenon at the interfaces between the deposited particles in cold-sprayed coatings and its effect on coating microstructure and particle bonding mechanism. Al-12Si, Al2319, Ti, Ti-6Al-4V, Ni and NiCoCrAlTaY powders were selected as feedstocks, which have various thermal and mechanical properties. The analytical results showed that most of the used materials possibly experienced the local melting at the contact interfaces of particles under certain impact conditions. Low melting point, relatively high gas temperature and chemical reaction with the atmosphere are the main factors contributing to the impact fusion during cold spraying. The results also indicated that the local melting would benefit the formation of a metallurgical bonding between the deposited particles and enhance the coating cohesion.

KW - Aluminium alloy

KW - Cold spraying

KW - Impact fusion

KW - Nickel alloy

KW - Particles

KW - Titanium alloy

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U2 - 10.1016/j.apsusc.2007.06.026

DO - 10.1016/j.apsusc.2007.06.026

M3 - 文章

AN - SCOPUS:35348894360

SN - 0169-4332

VL - 254

SP - 517

EP - 526

JO - Applied Surface Science

JF - Applied Surface Science

IS - 2

ER -

Study on impact fusion at particle interfaces and its effect on coating microstructure in cold spraying

Abstract

Keywords

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