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Preparation and microstructure of the fes film by low temperature ion sulfuruzing technique

Preparation and microstructure of the FeS film by low temper...

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Fifth International Conference on Surface Engineering

作者： J.J.Kang1 2 G.L.Li1 H.D.Wang2 B.S.Xu2 J.J.Liu3 L.N.Zhu1 2 1 College of Materials Science and Engineering Hebei University of Technology Tianjin 300130 China 2 National Key Lab for Remanufacturing Academy of Armored Forces Engineering 100072 Beijing China 3 Department of Mechanical Engineering Tsinghua University Beijing 100084 China

In this study,solid lubrication fes film was made on the surface of AISI 1045 steel by low temperature ion *** was used to observe the surface and cross-section morphologies of fes *** element components on the surface were analyzed by X-ray energy *** phases were determined by XRD;X-ray stress determinator was utilized to measure the residual *** nano-hardness and elastic modulus of fes film were surveyed by nano-indentation *** results showed that the surface of fes film was piled up geometrically by plenty of minute spherical *** grain size and distribution were both *** particle diameters ranged from 50 nm to 100 *** film was loose,with lots of micropores and well *** cross-section morphology of fes film was a black layer with thickness of 4 μ*** interface between fes film and substrate was jagged,and there was not visible transition *** bonding strength between fes film and the substrate was quite *** sulfurized layer was mainly composed of fes,a small quantity of fes2 was also *** supersaturation of sulfur element leads to the appearance of *** is an effective solid *** had a close-packed hexagonal structure,with high melting point and low shearing *** residual compressive stress measured was-150 *** cracks and delaminations were not *** was attributed to the proper compressive *** residual stress was possibly related to the deposition parameters,such as the gas pressure,lower temperature and proper sulfurizing *** fes film had an uneven hardness *** average value of nano-hardness and elastic modulus were 4.02 GPa,157.36 GPa,*** film was comparatively soft that was related to its ***,the texture was quite ***,the atomic arrangement was non-compact,which made the dislocation move *** the hardness was *** film had low elastic modulus compared to the subs

关键词： Low temperature ion sulfuration solid lubrication fes film Microstructure

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