The influence of process parameters and heat treatment on the properties of cold sprayed silver coatings

被引：55
作者：
Chavan, Naveen Manhar [1 ]
Ramakrishna, M. [1 ]
Phani, P. Sudharshan [1 ]
Rao, D. Srinivasa [1 ]
Sundararajan, G. [1 ]
机构：
[1] Int Adv Res Ctr Powder Met & New Mat ARCI, Hyderabad, Andhra Pradesh, India
来源：
SURFACE & COATINGS TECHNOLOGY | 2011年 / 205卷 / 20期
关键词：
Electrical conductivity; Hardness; Porosity; Silver; Cold spray; GAS DYNAMIC-SPRAY; PARTICLE-VELOCITY; POWDER PARTICLES; IMPACT; MECHANISM; NOZZLE;
D O I：
10.1016/j.surfcoat.2011.04.063
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Cold spray coating technology is a promising low temperature variant of thermal spray technology which can deposit pure, dense and thick coatings at a rapid rate. Unlike the other thermal spray coating techniques, cold spray is especially suitable for depositing coatings with high electrical and thermal conductivity as the integrity of the feedstock is maintained during the coating process. In the present study, the effect of process parameters and heat treatment on the properties of silver coatings has been investigated. An attempt has been made to correlate the powder particle velocity with the properties and microstructure of the coating. The effect of heat treatment temperature and atmosphere on the properties of the coatings, especially electrical conductivity, has been studied in detail in conjunction with a thorough analysis of the evolution of microstructure of the coatings. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：4798 / 4807
页数：10
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