张湘黔,陈朝轶,李军旗.Na2 S2 O3 对 16Mn 钢材在碱性溶液中的腐蚀影响研究[J].表面技术,2015,44(3):122-125,137.
ZHANG Xiang-qian,CHEN Chao-yi,LI Jun-qi.Effect of Na2S2O3 on the Corrosion Behavior of 16Mn Steel in Alkaline Solution[J].Surface Technology,2015,44(3):122-125,137 |
| Na2 S2 O3 对 16Mn 钢材在碱性溶液中的腐蚀影响研究 |
| Effect of Na2S2O3 on the Corrosion Behavior of 16Mn Steel in Alkaline Solution |
| 投稿时间：2015-01-08 修订日期：2015-03-20 |
| DOI：10.16490/j.cnki.issn.1001-3660.2015.03.021 |
| 中文关键词: 16Mn 钢 盐雾试验 点蚀 均匀腐蚀 |
| 英文关键词:16Mn steel salt spray test pitting corrosion uniform corrosion |
| 基金项目:国家自然科学基金项目(51264006),贵阳市科技局项目([2012205]6-4) |
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| 中文摘要: |
| 目的 研究 16Mn 钢在 4 g/ L Na2S2O3 的碱性溶液中的腐蚀行为和腐蚀机理。 方法 对 16Mn钢的腐蚀形貌进行深入观察,对腐蚀产物的成分进行 EDS 分析,通过质量损失法和动力学方法分析腐蚀速率的变化,确定腐蚀机理。 结果 腐蚀形貌随腐蚀时间的推移由最初的点蚀发展为均匀腐蚀,腐蚀所生成的产物主要由 O,S,Na,Fe 元素组成。 结论 腐蚀产物主要是非晶态和晶态的羟基氧化铁和赤铁矿,随着腐蚀时间的延长,腐蚀越发严重,腐蚀速率逐渐下降。 |
| 英文摘要: |
| Objective To study the corrosion behavior and corrosion mechanism of 16Mn steel in alkaline solution containing 4 g/ L Na2S2O3. Methods The corrosion morphology of 16Mn steel was observed, the components of the corrosion products were analyzed by EDS, and the variation in corrosion rate was analyzed using the mass loss method and dynamic method to determine the corrosion mechanism. Results With the increase of corrosion time, the corrosion morphology evolved from the initial pitting corrosion to uniform corrosion, and the corrosion products mainly consisted of O, S, Na, Fe elements. Conclusion The corrosion products were mainly amorphous and crystalline FeOOH and Fe3O4. With the extension of corrosion time, the corrosion became more and more serious, and the corrosion rate gradually decreased. |
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