表面粗糙度對非晶態合金亞穩態小孔形核和生長的影響

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表面粗糙度對非晶態合金亞穩態小孔形核和生長的影響

文章導航 > 工程科學學報 > 1996 > 18(S2): 11-15

左禹, 符適. 表面粗糙度對非晶態合金亞穩態小孔形核和生長的影響[J]. 工程科學學報, 1996, 18(S2): 11-15. doi: 10.13374/j.issn1001-053x.1996.s2.003

引用本文:

左禹, 符適. 表面粗糙度對非晶態合金亞穩態小孔形核和生長的影響[J]. 工程科學學報, 1996, 18(S2): 11-15. doi: 10.13374/j.issn1001-053x.1996.s2.003

Zuo Yu, Fu Shi. Effect of Surface Roughness on Metastable Pitting of Amorphous Ni Alloy[J]. Chinese Journal of Engineering, 1996, 18(S2): 11-15. doi: 10.13374/j.issn1001-053x.1996.s2.003

Citation:

Zuo Yu, Fu Shi. Effect of Surface Roughness on Metastable Pitting of Amorphous Ni Alloy[J]. Chinese Journal of Engineering, 1996, 18(S2): 11-15. doi: 10.13374/j.issn1001-053x.1996.s2.003

左禹, 符適. 表面粗糙度對非晶態合金亞穩態小孔形核和生長的影響[J]. 工程科學學報, 1996, 18(S2): 11-15. doi: 10.13374/j.issn1001-053x.1996.s2.003

引用本文:

左禹, 符適. 表面粗糙度對非晶態合金亞穩態小孔形核和生長的影響[J]. 工程科學學報, 1996, 18(S2): 11-15. doi: 10.13374/j.issn1001-053x.1996.s2.003

Zuo Yu, Fu Shi. Effect of Surface Roughness on Metastable Pitting of Amorphous Ni Alloy[J]. Chinese Journal of Engineering, 1996, 18(S2): 11-15. doi: 10.13374/j.issn1001-053x.1996.s2.003

Citation:

Zuo Yu, Fu Shi. Effect of Surface Roughness on Metastable Pitting of Amorphous Ni Alloy[J]. Chinese Journal of Engineering, 1996, 18(S2): 11-15. doi: 10.13374/j.issn1001-053x.1996.s2.003

表面粗糙度對非晶態合金亞穩態小孔形核和生長的影響

doi: 10.13374/j.issn1001-053x.1996.s2.003

左禹,
符適

北京化工大學應用化學系, 北京

基金項目:

冶金部腐蝕—磨蝕與表面技術開放研究實驗室資助

作者簡介:
左禹男 44歲教授博士

中圖分類號: TG176
計量
- 文章訪問數: 238
- HTML全文瀏覽量: 77
- PDF下載量: 8
- 被引次數: 0
出版歷程
- 收稿日期: 1996-01-22
- 網絡出版日期: 2021-11-13

Effect of Surface Roughness on Metastable Pitting of Amorphous Ni Alloy

Zuo Yu,
Fu Shi

Department of Applied Chemistry, Beijing University of Chemical Technology, Beijing PRC

摘要: 用恒電位和動電位極化法研究了表面粗糙度對非晶態NiCrFeSiB合金亞穩態小孔形核和生長的影響,粗糙表面顯著促進亞穩態小孔的形核,在恒電位下,亞穩小孔的生長電流隨時間的平方線性增長為I-I₀=k(t-t₀)².生長速度參數k和亞穩態小孔的峰值電流都服從對數正態分布。在粗糙表面上亞穩態小孔的生長速度略高,且分布范圍較大。
- 孔蝕 /
- 電流波動 /
- 表面粗糙度 /
- 非晶態合金
Abstract: The effect of surface roughness on nucleation and growth of metastable pitting on amorphous NiCrFeSiB alloy was studied using potentiostatic and potentiodynamic polarization tests.Nucleation of metastable pits on the alloy was significantly facilitated by rougher surface. Both the growth rate parameters and the peak currents of metastable pits follow log-normal distribution. Rougher surface also promoted the growth of metastable pits, and lead to a wider distribution of the growth rates.
- pitting /
- current fluctuation /
- surface roughness /
- amorphous alloy

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文章訪問數: 238
HTML全文瀏覽量: 77
PDF下載量: 8
被引次數: 0

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