TY - JOUR
T1 - In situ synthesis of titanium-aluminides in coating with supersonic free-jet PVD using Ti and Al nanoparticles
AU - Yumoto, A.
AU - Hiroki, F.
AU - Shiota, I.
AU - Niwa, N.
N1 - Funding Information:
The authors gratefully thank Mr K. Ono and Mr K. Fukawa for the XRD analysis at Engineering Research Institute, School of Engineering, the University of Tokyo. This study was supported, in part, by the Sasakawa Scientific Research Grant from The Japan Science Society, Iketani Science and Technology Foundation and Grant-in-Aid for Scientific Research (C).
Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.
PY - 2003/6/2
Y1 - 2003/6/2
N2 - This paper presents supersonic free-jet PVD (SFJ-PVD) as a new coating technology for structural materials. In SFJ-PVD, coating film is formed by high velocity impact of solid nanoparticles to base materials. This method is composed of evaporation and deposition processes. In the evaporation process, the source material evaporates to form nanoparticles in an inert gas atmosphere. In the deposition process, nanoparticles are deposited on base materials to form coating film with supersonic gas flow. The gas flow is generated by pressure difference between the evaporation chamber and the deposition chamber. The flow of the gas is accelerated through a specially designed supersonic nozzle at the supersonic flow of 3.6 Mach number. With SFJ-PVD, mixed Ti and Al nanoparticles produce high-density coatings of titanium-aluminides without voids and cracks. They synthesize titanium-aluminides on the substrate at 800 K.
AB - This paper presents supersonic free-jet PVD (SFJ-PVD) as a new coating technology for structural materials. In SFJ-PVD, coating film is formed by high velocity impact of solid nanoparticles to base materials. This method is composed of evaporation and deposition processes. In the evaporation process, the source material evaporates to form nanoparticles in an inert gas atmosphere. In the deposition process, nanoparticles are deposited on base materials to form coating film with supersonic gas flow. The gas flow is generated by pressure difference between the evaporation chamber and the deposition chamber. The flow of the gas is accelerated through a specially designed supersonic nozzle at the supersonic flow of 3.6 Mach number. With SFJ-PVD, mixed Ti and Al nanoparticles produce high-density coatings of titanium-aluminides without voids and cracks. They synthesize titanium-aluminides on the substrate at 800 K.
KW - Gas evaporation
KW - In situ synthesis of intermetallic compound
KW - Nanoparticle
KW - Physical vapor deposition
KW - Supersonic free-jet
KW - Titanium-aluminides
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U2 - 10.1016/S0257-8972(03)00152-X
DO - 10.1016/S0257-8972(03)00152-X
M3 - Article
AN - SCOPUS:0037792851
VL - 169-170
SP - 499
EP - 503
JO - Surface and Coatings Technology
JF - Surface and Coatings Technology
SN - 0257-8972
ER -