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    鋼管熱鍍鋅基稀土合金鍍層的制備

    Obtainment of Zinc-containing Rare Earth Alloy Coating of Hot-galvanized Steel Tube

    • 摘要: 在傳統(tǒng)的鋼管熱鍍鋅工藝基礎(chǔ)上,通過在鍍液中添加不同比例的稀土合金,獲得了不同性能的鋅基稀土合金鍍層;研究了各鍍層的厚度、表面形貌、成分以及耐腐蝕性能。結(jié)果表明:當(dāng)稀土合金的質(zhì)量分?jǐn)?shù)為0.05%~0.10%時(shí),所獲得的鋼管鍍層表面結(jié)構(gòu)致密,無明顯缺陷,厚度均勻一致,耐腐蝕性能優(yōu)良。

       

      Abstract: Based on the convenient steel tube hot galvanizing process,the zinc-containing rare earth alloy coatings with different properties of the galvanized tube are obtained by means of preparing galvanizing baths with different proportions of the rare earth alloy elements. Studies are conducted on such aspects of each coating,including thickness,surface morphology,alloy composition and corrosion resistance. The result demonstrates that in case of 0.05% -0.10% rare earth mass fractiont,the coatings will be in possession of compact surface structure without any obvious defect,and uniform thickness and excellent corrosion-resistance.

       

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