Rapidly Solidified Thick Deposit of Fe-B-Cr Alloy by Plasma Spraying

2007 ◽  
pp. 721-724
Author(s):  
Yasuhiro Hoshiyama ◽  
Kentaro Hirano ◽  
Hidekazu Miyake ◽  
Kenji Murakami
Keyword(s):  
Plasma Spraying ◽  
Rapidly Solidified ◽  
Thick Deposit

Rapidly Solidified Thick Deposit of Fe-C-V-Cr-Ni Alloy by Plasma Spraying

2009 ◽  
Vol 6 (S1) ◽  
pp. S944-S947 ◽  
Author(s):  
Yasuhiro Hoshiyama ◽  
Kentaro Hirano ◽  
Hidekazu Miyake
Keyword(s):  
Plasma Spraying ◽  
Ni Alloy ◽  
Rapidly Solidified ◽  
Thick Deposit

Structures and mechanical properties of rapidly solidified deposits of an Fe-1.50wt.%C-10.7wt.%Cr alloy by low pressure plasma spraying

1994 ◽  
Vol 186 (1-2) ◽  
pp. 105-112 ◽  
Author(s):  
Kenji Murakami ◽  
Yoshitaka Fujii ◽  
Hiroshi Matsumoto ◽  
Tsuyoshi Irisawa ◽  
Taira Okamoto ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Plasma Spraying ◽  
Low Pressure ◽  
Pressure Plasma ◽  
Low Pressure Plasma ◽  
Rapidly Solidified ◽  
Low Pressure Plasma Spraying

Rapidly Solidified Thick Deposit of Fe-B-Cr Alloy by Plasma Spraying

2007 ◽  
Vol 561-565 ◽  
pp. 721-724 ◽  
Author(s):  
Yasuhiro Hoshiyama ◽  
Kentaro Hirano ◽  
Hidekazu Miyake ◽  
Kenji Murakami
Keyword(s):  
Heat Treatment ◽  
Amorphous Phase ◽  
Alloy Powder ◽  
Α Phase ◽  
Heat Treated ◽  
Low Pressure Plasma ◽  
Base Composite ◽  
Plasma Sprayed ◽  
Rapidly Solidified ◽  
Thick Deposit

Fe-B-Cr alloy powder in diameter of 32-53 μm made by argon atomization is low-pressure plasma sprayed to produce a rapidly solidified iron base composite deposit with finely dispersed boride particles. The constituents of the as-sprayed deposit formed on a water-cooled substrate are α phase and amorphous phase that are supersaturated with chromium and boron due to high cooling rate during solidification of the melt. Heat treatment of deposit at 873K leads to decomposition of the amorphous phase, resulting in the formation of Fe3B. The deposit heat treated above 1073K is composed of α phase and (Fe,Cr)2B. The as-sprayed deposit produced on a non-cooled substrate consists of α phase and (Fe,Cr)2B. The fine precipitates of about 0.1 μm in the as-sprayed deposit coated on a non-cooled substrate are boride. As deposit temperature increases, the coarsening of the precipitate particles results in lowered hardness of deposits.

scholarly journals Rapidly Solidified Thick Nickel Base Alloy Deposit with Carbide Particles Produced by Plasma Spraying

2007 ◽  
Vol 16 (4) ◽  
pp. 541-547
Author(s):  
Yasuhiro Hoshiyama ◽  
Kentaro Hirano ◽  
Kenji Murakami ◽  
Hidekazu Miyake
Keyword(s):  
Plasma Spraying ◽  
Base Alloy ◽  
Nickel Base Alloy ◽  
Alloy Deposit ◽  
Nickel Base ◽  
Rapidly Solidified ◽  
Carbide Particles

Ni-Mo-Cr-B Alloys: Corrosion Resistant Amorphous Hardfacing Coatings

1983 ◽  
Vol 28 ◽  
Author(s):  
S. K. Das ◽  
E. M. Norin ◽  
R. L. Bye
Keyword(s):  
Electron Microscopy ◽  
Transmission Electron Microscopy ◽  
Plasma Spraying ◽  
Corrosion And Wear ◽  
X Ray Diffraction ◽  
Corrosion Resistant ◽  
X Ray ◽  
Amorphous Ribbons ◽  
Transmission Electron ◽  
Rapidly Solidified

ABSTRACTA series of rapidly solidified Ni-Mo-Cr-B alloys have been investigated for possible application as corrosion resistant hardfacing coatings. As-cast amorphous ribbons were pulverized to powder, which was subsequently applied to a substrate by plasma spraying. The coatings are substantially amorphous, as revealed by x-ray diffraction and transmission electron microscopy. They exhibit ∼95% of theoretical density and exhibit good corrosion and wear resistances, superior to those of many commercially available hardfacing coatings.

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