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Herein a NiCrBSi coating with 800 μm thickness was fabricated via plasma spraying on AISI 1045 steel, whereupon gas tungsten arc welding (GTA) process was employed to remelt the coating. The microstructure and mechanical properties of the coating before and after remelting were investigated. The results indicate that microstructural inhomogeneity in the as-sprayed coating were almost completely eliminated...
Two kinds of Cu(InGa)Se2(CIGS) absorbers and the corresponding solar cells have been fabricated by sputtering from Se-poor and Se-rich quaternary CIGS targets, respectively. The CIGS thin films fabricated by Se-poor target are mainly composed of chalcopyrite CIGS phase together with small amount of Cu2-xSe compound, while the CIGS thin films fabricated by Se-rich target show single chalcopyrite CIGS...
High density Cu(In 1-X Ga X )Se 2 (CIGS) quaternary ceramic targets were prepared by hot-pressing sintering from CIGS and Se mixed powders. Influences of Se contents and sintering temperatures on the densities, compositions, structures and morphologies of the CIGS targets were investigated. The results show that the structure of the targets after sintering was single chalcopyrite,...
In order to extend the application range of solid lubricant WS 2 , the author adopted a two-step method to prepare WS 2 film; namely, W film was first fabricated on the AISI 1045 steel by magnetron sputtering method, and then treated by low temperature ion sulfuration to obtain WS 2 composite film. XRD was used to analyze the phase structure of the WS 2 composite film;...
In this study, a series of tetrahedral amorphous carbon films (ta-C) were deposited on silicon, W18Cr4V high-speed and Cr18Ni9 stainless steel substrates respectively by using pulsed filtered cathodic vacuum arc system with a MEVVA source, and ta-C film's tribological properties, including the structure, mechanical performance, adhesion, friction and wear character, were investigated. The results...
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