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3755 |
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Attempt to improve characteristics of cold sprayed metallic coatings by ultrasonic impact treatment and friction stir processing |
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Kazuhiko Sakaki* / SHINSHU University, Japan Kei Kondo/ Brother Industries, Ltd.(Graduate School, Shinshu Univ.), Japan Koji Terasaka/ Graduate School, Shinshu Univ., Kazuhiro Nakata/ Joining & Welding Research Institute, Osaka Univ., Japan Takuya Tsumura/ Okinawa National College of Technology, Japan |
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Cold spray (CS) process produces dense, low oxide coatings which can be used in such diverse applications as corrosion protection and metals repair. However, there is a limitation to apply to the industrial products because of the cost and undesirable coating properties such as pores in coatings by type of gas or combination of a powder and substrate materials. Therefore, an improvement of the CS coatings was attempted by an ultrasonic impact treatment (UIT) and Friction Stir Processing(FSP). |