Coating qualities deposited using three different thermal spray technologies in relation with temperatures and velocities of spray droplets

Yasuyuki Kawaguchi, Fumihiro Miyazaki, Masafumi Yamasaki, Yukihiko Yamagata, Nozomi Kobayashi, Katsunori Muraoka

研究成果: ジャーナルへの寄稿学術誌査読

13 被引用数 (Scopus)

抄録

Three guns based on different thermal spray technologies-namely, gas flame spray, wire arc spray, and wire plasma spray-were operated at each best cost-performance condition, and the resulting spray droplets and deposited coating qualities were investigated. For the former, a simple optical monitoring system was used to measure temperatures and velocities of spray droplets ejected from the guns. On the other hand, for the latter, qualities of coating layers on substrates-namely, surface roughness, atomic composition, hardness, adhesive strength, and porosity-were characterized. Then, these coating qualities were discussed with respect to the measured temperatures and velocities of spray droplets, which revealed novel features in the coatings that have not been seen before, such as atomic composition and hardness strongly dependent on temperature and environments of droplets towards the substrates, and porosity on velocity of droplets impinging onto the substrates.

本文言語英語
論文番号27
ジャーナルCoatings
7
2
DOI
出版ステータス出版済み - 2月 1 2017

!!!All Science Journal Classification (ASJC) codes

  • 表面、皮膜および薄膜
  • 材料化学
  • 表面および界面

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