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不銹鋼在含氯離子水溶液之孔蝕性研究

Pitting Corrosion Resistance of Stainless Steels in Chloride-Containing Solutions

摘要


鹽水環境中含有氯離子,易使不銹鋼材料表面保護膜產生局部破壞,而生成孔蝕。本研究主要探討六種不銹鋼(403SS、304SS、17-4PH、316SS、XM19SS及2205DSS)在3.5% NaCl溶液中及添加不同濃度之氯化鈉在0.1N H2SO4溶液中之孔蝕破壞情況。本實驗採用電化學循環極化法量測孔蝕電位與保護電位,並配合試片浸漬試驗,來評估氯離子對不銹鋼孔蝕破壞。結果顯示添加NaCl會破壞不銹鋼之保護膜,且隨NaCl增加孔蝕更爲明顯。採用高抗孔蝕當量(PRE)值之不銹鋼,如2205型雙相不銹鋼則具有優良之抗孔蝕性

並列摘要


Pitting corrosion behavior of six commercial stainless steels in 3.5% NaCl and 0.1N H2SO4 have been investigated. The cyclic anodic potentiodynamic technique and immersion test were used to evaluate pitting corrosion resistance. Increasing the addition of NaCl in 0.1N H2SO4 solution decreases pitting potential, reduces passivity region, and locally damages passive film of stainless steels. Stainless steels with high pitting resistance equivalent exhibits good pitting resistance in chloride-containing solutions.

被引用紀錄


陳世雄(2009)。利用CO2反應氣體陰極電弧沉積Ti-O-C複合膜 之特性分析〔碩士論文,大同大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0081-3001201315104079
林雅惠(2011)。O2/N2流量比對AISI 304不銹鋼電弧沉積氮氧化鈦複合膜特性之影響〔碩士論文,大同大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0081-3001201315111175
李函霓(2012)。鍍膜轉速對AISI304不銹鋼電弧披覆TiN/CrN多層膜特性之影響〔碩士論文,大同大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0081-3001201315112806
劉明德(2017)。鎢含量對肥粒鐵型不銹鋼的顯微組織與腐蝕特性之研究〔碩士論文,國立虎尾科技大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0028-2308201713270500

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