Fe<sub>3</sub>Al基合金在模擬汽車尾氣氣氛中的腐蝕行為

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Fe₃Al基合金在模擬汽車尾氣氣氛中的腐蝕行為

高德春, 楊正玥

文章導航 > 工程科學學報 > 2001 > 23(3): 230-233

高德春, 楊正玥. Fe3Al基合金在模擬汽車尾氣氣氛中的腐蝕行為[J]. 工程科學學報, 2001, 23(3): 230-233. doi: 10.13374/j.issn1001-053x.2001.03.036

引用本文:

高德春, 楊正玥. Fe₃Al基合金在模擬汽車尾氣氣氛中的腐蝕行為[J]. 工程科學學報, 2001, 23(3): 230-233. doi: 10.13374/j.issn1001-053x.2001.03.036

GAO Dechun, YANG Zhengyue. Corrosion Resistance of Fe3Al Based Alloys to Simulated Exhaust Gas[J]. Chinese Journal of Engineering, 2001, 23(3): 230-233. doi: 10.13374/j.issn1001-053x.2001.03.036

Citation:

GAO Dechun, YANG Zhengyue. Corrosion Resistance of Fe3Al Based Alloys to Simulated Exhaust Gas[J]. Chinese Journal of Engineering, 2001, 23(3): 230-233. doi: 10.13374/j.issn1001-053x.2001.03.036

高德春, 楊正玥. Fe3Al基合金在模擬汽車尾氣氣氛中的腐蝕行為[J]. 工程科學學報, 2001, 23(3): 230-233. doi: 10.13374/j.issn1001-053x.2001.03.036

引用本文:

高德春, 楊正玥. Fe₃Al基合金在模擬汽車尾氣氣氛中的腐蝕行為[J]. 工程科學學報, 2001, 23(3): 230-233. doi: 10.13374/j.issn1001-053x.2001.03.036

GAO Dechun, YANG Zhengyue. Corrosion Resistance of Fe3Al Based Alloys to Simulated Exhaust Gas[J]. Chinese Journal of Engineering, 2001, 23(3): 230-233. doi: 10.13374/j.issn1001-053x.2001.03.036

Citation:

GAO Dechun, YANG Zhengyue. Corrosion Resistance of Fe3Al Based Alloys to Simulated Exhaust Gas[J]. Chinese Journal of Engineering, 2001, 23(3): 230-233. doi: 10.13374/j.issn1001-053x.2001.03.036

Fe₃Al基合金在模擬汽車尾氣氣氛中的腐蝕行為

doi: 10.13374/j.issn1001-053x.2001.03.036

北京科技大學材料科學與工程學院, 北京 100083

基金項目:

福特(中國)發展基金資助項目(No.971516)

作者簡介:
高德春男,32歲,博士

中圖分類號: U465
計量
- 文章訪問數: 130
- HTML全文瀏覽量: 17
- PDF下載量: 7
- 被引次數: 0
出版歷程
- 收稿日期: 2000-12-27

Corrosion Resistance of Fe3Al Based Alloys to Simulated Exhaust Gas

Materials Science and Engineering School, UST Beijing, Beijing 100083, Chin

摘要: 研究了Fe-28Al-5Cr,Fe-28Al-5Cr-0.5Nb-0.1C合金及其采用鎢極氬弧焊焊接的Fe₃Al基合金焊縫,在模擬汽車尾氣氣氛中的腐蝕行為,分析了腐蝕產物的組成及形成機理,并與目前在汽車尾氣系統應用的A3低碳鋼及1Cr18Ni9不銹鋼進行對比,結果表明,由于在實驗條件下Fe₃Al基合金及其焊縫表面形成了一層致密的Al₂O₃氧化膜,與不銹鋼相同,顯示出優良的抗蝕性能.與此相對比,由于A3鋼表面形成疏松的Fe₂O₃膜容易剝落,而使腐蝕加劇.
- 汽車尾氣 /
- Fe₃Al /
- 腐蝕
Abstract: The behavior of corrosion resistance to simulated exhaust gas of Fe-28Al-5Cr, Fe-28Al-5Cr-0.5Nb-0.1C and GTA (gas tungsten arc) welded Fe₃Al based alloys has been investigated. The composition and emerging mechanism of corrosion scale have been analyzed, and compared with former materials used in the exhaust manifold system such as low carbon steel A3 and 1Cr18Ni9 stainless. The results indicates that Fe₃Al based alloys and its weldment exhibited corrosion resistance to the test environment as good as stainless because of the producing of continuous and dense Al₂O₃ surface scale, by contrast, the oxide of A3 steel was loose and discontinuous Fe₂O₃ scale which was easy to be peeled off and led corrosion accelerated.
- exhaust gas /
- corrosion /
- Fe₃Al

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