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Morphology, structure and formation mechanism of silicide coating by pack cementation process XIAO Lai-rong(肖来荣), CAI Zhi-gang(蔡志刚), YI Dan-qing(易丹青), YING Lei(殷 磊),LIU Hui-qun(刘会群), HUANG Dao... based alloy was prepared by pack cementation method. The formative mechanism, morphology and structure of coating were investigated. The silicide coating was formed by reactive diffusion obeying parabolic......
J. Cent. South Univ. Technol. (2010) 17: 1155-1162 DOI: 10.1007/s11771-010-0612-3 Microstructures and wear resistance of chromium coatings on P110 steel fabricated by pack cementation LIN Nai...-performance surface on P110 steel that can meet the requirements in oil/gas field environment, the chromium coatings were fabricated by pack cementation. The chromium coatings differed in with/without......
Oyster Cementation as Protective Covers for Exposed Marine Concrete吕建福Schoolof Civil Engineering,Harbin Institute of Technology摘 要:Cored concrete specimens... to splash zone has loose structure,exposed finer aggregate and concrete exposed to tidal zone covers by dense structure of oyster cementation and shell.Microstructures analysis further verified......
Cementation of Loose Sand Particles based on Bio-cement荣辉1,2,钱春香11. School of Materials Science and Engineering, Southeast University2. School of Materials Science and Engineering, Tianjin Chengjian... prepared, and then the compressive strength and the porosity of the sandstone cemented by microbial induced magnesium carbonate were tested to characterize the cementation effectiveness. In addition......
by cementation reaction with Ni in the alloy. The mineralogical characteristics of the matte in the process were analyzed by X-ray diffractometry, optical microscopy and scanning electron microscopy... words: Ni-Cu matte; selective leaching; Ni-Cu alloy; cementation ____________________________________________________________________________________________ 1 Introduction Although nickel-copper......
Electrochemical corrosion resistance of CeO2-Cr/Ti coatings on 304 stainless steel via pack cementation邢学刚,韩志军,王鹤峰,卢盼娜College of Mechanics, Taiyuan University of Technology摘 要:The pack cementation was employed to improve the electrochemical corrosion resistance of 304 stainless steel via CeO2-Cr modified Ti coatings. Continuous coatings were formed......
Electrochemical corrosion resistance of CeO2-Cr/Ti coatings on 304 stainless steel via pack cementation邢学刚,韩志军,王鹤峰,卢盼娜College of Mechanics, Taiyuan University of Technology摘 要:The pack cementation was employed to improve the electrochemical corrosion resistance of 304 stainless steel via CeO2-Cr modified Ti coatings. Continuous coatings were formed......
CODEPOSITION OF ALUMINUM AND SILICON ON PURE MOLYBDENUM SUBSTRATE USING HALIDE ACTIVATED PACK CEMENTATION TREATMENTS H.B.Xu1,S.K.Gong1,F.S.Liu1,C.G.Zhou1,J.L.Xu1 (1.Department of Material Science... cementation coating processon pure Mo substrate. The results show that Mo(Si, Al)2 formed as a main phase onthe surface and a little amount of Mo5Si3 also formed. The total thickness of coatingis tens......
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