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選用烏洛托品作為酸洗緩蝕劑,改進(jìn)酸洗液的配方,通過正交試驗(yàn)優(yōu)選出最佳酸洗工藝參數(shù)。結(jié)果表明,44660超純鐵素體不銹鋼經(jīng)最佳酸洗工藝酸洗后,表面形成了完整、致密的鈍化膜,其外觀質(zhì)量良好,耐腐蝕性能大幅提升。該工藝成功解決了超純鐵素體不銹鋼在實(shí)際生產(chǎn)中欠酸洗和過酸洗的技術(shù)難題,對(duì)制定各類超純鐵素體不銹鋼的酸洗工藝具有一定參考意義。
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