不銹鋼板材在硫酸溶液中的腐蝕行為研究
發(fā)布時間:2018-07-23 13:35
【摘要】:利用化學(xué)浸泡法研究分析430、409L、410S鐵素體不銹鋼熱軋板材在不同溫度,不同濃度硫酸溶液中的腐蝕行為,并與304奧氏體不銹鋼熱軋板材做對比。結(jié)果表明:耐硫酸腐蝕性能304430409L410S,奧氏體不銹鋼的耐硫酸腐蝕性優(yōu)于鐵素體不銹鋼,較低的碳含量和Ti元素的加入提高了409L的耐蝕性,410S中的馬氏體降低了它的耐蝕性。硫酸溶液腐蝕性10%H_2SO_460%H_2SO_480%H_2SO_4,10%H_2SO_4、60%H_2SO_4,屬于還原性酸,80%H_2SO_4屬于氧化性酸。各鋼種在10%H_2SO_4溶液中的微觀腐蝕形貌與其金相組織具有對應(yīng)性,這說明材料的微觀組織對其耐腐蝕性有直接影響。
[Abstract]:The corrosion behavior of 430409L 410S ferrite stainless steel hot rolled sheet in different temperature and different concentration of sulfuric acid solution was studied by chemical soaking method and compared with 304 austenitic stainless steel hot rolled sheet. The results show that the sulfuric acid corrosion resistance of austenitic stainless steel is better than that of ferrite stainless steel, and the corrosion resistance of austenitic stainless steel is decreased by the addition of Ti and low carbon content. The corrosion of the sulfuric acid solution was 10 / 10 / H2SOS / s / I / I / I / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / The microstructure of the steel in 10%H_2SO_4 solution has a correspondence with its metallographic structure, which indicates that the microstructure of the steel has a direct effect on the corrosion resistance of the steel.
【作者單位】: 北京科技大學(xué)冶金與生態(tài)工程學(xué)院;酒鋼集團(tuán)宏興鋼鐵股份有限公司;
【基金】:酒鋼集團(tuán)科技項(xiàng)目([2015]9號)
【分類號】:TG142.71
[Abstract]:The corrosion behavior of 430409L 410S ferrite stainless steel hot rolled sheet in different temperature and different concentration of sulfuric acid solution was studied by chemical soaking method and compared with 304 austenitic stainless steel hot rolled sheet. The results show that the sulfuric acid corrosion resistance of austenitic stainless steel is better than that of ferrite stainless steel, and the corrosion resistance of austenitic stainless steel is decreased by the addition of Ti and low carbon content. The corrosion of the sulfuric acid solution was 10 / 10 / H2SOS / s / I / I / I / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / S / The microstructure of the steel in 10%H_2SO_4 solution has a correspondence with its metallographic structure, which indicates that the microstructure of the steel has a direct effect on the corrosion resistance of the steel.
【作者單位】: 北京科技大學(xué)冶金與生態(tài)工程學(xué)院;酒鋼集團(tuán)宏興鋼鐵股份有限公司;
【基金】:酒鋼集團(tuán)科技項(xiàng)目([2015]9號)
【分類號】:TG142.71
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