On the influence of different superficial laser texturing on the deposition of powders through cold spray process

被引：13
作者：
Viscusi, A. [1 ]
Astarita, A. [1 ]
Genna, S. [2 ,3 ]
Leone, C. [3 ,4 ]
机构：
[1] Univ Naples Federico II, Dept Chem Mat & Ind Prod Engn, Naples, Italy
[2] Univ Roma Tor Vergata, Dept Enterprise Engn, I-00133 Rome, Italy
[3] Univ Naples Federico II, CIRTIBS Res Ctr, Naples, Italy
[4] Univ Campania Luigi Vanvitelli, Dept Ind & Informat Engn, Aversa, CE, Italy
来源：
TRANSACTIONS OF THE INSTITUTE OF METAL FINISHING | 2018年 / 96卷 / 01期
关键词：
Fibre laser; Cold spray deposition; Coating microstructure; Laser texturing; Superficial treatments; Coating adhesion; Particle bonding; Substrate-coating interface; SUBSTRATE ROUGHNESS; BONDING MECHANISMS; TITANIUM COATINGS; FIBER LASER; ALUMINUM; COMPONENTS; VELOCITY;
D O I：
10.1080/00202967.2018.1403096
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Cold spray is a technique allowing the deposition of metallic powders on several different substrates. The deposition process is ruled by different factors, among these, of particular interest are the superficial roughness and texturing of the substrate. The aim of this research was to study the influence of different superficial texturing on the deposition process of aluminium powders on an AA 2024 T3 plate. Samples with different superficial texturing were produced by laser engraving through a Yb:YAG fibre laser, varying the laser treatment parameters. Aiming to highlight the influence of the laser treatment, the deposition process was carried out on all the samples under the same spraying condition. The cross-section of the interface between the substrate and the coating and the microstructure of the coating itself were observed to study the influence of the superficial texturing on the coating formation. It was found that the superficial texturing influences both the adhesion mechanism and the microstructure of the coating.
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收藏
页码：34 / 40
页数：7
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