Influence of adding various rare earths on microstructures and corrosion resistance of chromizing coatings prepared via pack cementation on P110 steel |
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Authors: | LIN Naiming, XIE Faqin, ZHONG Tao, WU Xiangqing, TIAN Wei |
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Affiliation: | School of Aeronautics Northwestern Polytechnical University Tubular Goods Research Center of CNPC |
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Abstract: | In order to improve the corrosion resistance and increase the service lifetime of P110 steel during operation,four chromizing coatings were formed onto its surface with/without addition of rare earths via pack cementation process.The surface morphologies and microstructures of the chromizing coatings were observed using scanning electron microscopy(SEM),and the phase constitutions were investigated by X-ray diffraction(XRD).Electrochemical corrosion behavior of the chromizing coatings in simulated oilfield ... |
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Keywords: | microstructure corrosion resistance chromizing coating P110 steel pack cementation rare earths |
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