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Chloride Induced Se...
Chloride Induced Secondary Passive Film Failure for Laser Additive Manufacturing Nickel-Based Superalloys during Electrochemical Machining
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- Guo, Pengfei (author)
- Xiamen Univ, Coll Chem & Chem Engn, Dept Chem, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China.;Suzhou Electromaching Machine Tool Res Inst Co Ltd, Suzhou 215011, Jiangsu, Peoples R China.
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- Lin, Xin (author)
- Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Shaanxi, Peoples R China.
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- Macdonald, Digby D. (author)
- Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94720 USA.
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- Odnevall, Inger, 1965- (author)
- KTH,Yt- och korrosionsvetenskap
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- Zhang, Shaoli (author)
- Xian Inst Electromech Informat Technol, Xian 710065, Peoples R China.
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- Zhang, Yufeng (author)
- Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Shaanxi, Peoples R China.
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- Lin, Changjian (author)
- Xiamen Univ, Coll Chem & Chem Engn, Dept Chem, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China.
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- Wu, Qiang (author)
- Suzhou Electromaching Machine Tool Res Inst Co Ltd, Suzhou 215011, Jiangsu, Peoples R China.
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- Yang, Yuan (author)
- Suzhou Electromaching Machine Tool Res Inst Co Ltd, Suzhou 215011, Jiangsu, Peoples R China.
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- Huang, Weidong (author)
- Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Shaanxi, Peoples R China.
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Xiamen Univ, Coll Chem & Chem Engn, Dept Chem, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China;Suzhou Electromaching Machine Tool Res Inst Co Ltd, Suzhou 215011, Jiangsu, Peoples R China. Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Shaanxi, Peoples R China. (creator_code:org_t)
- The Electrochemical Society, 2023
- 2023
- English.
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In: Journal of the Electrochemical Society. - : The Electrochemical Society. - 0013-4651 .- 1945-7111. ; 170:6
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- We investigated the influence of chloride on the secondary passive film (SPF) on laser directed energy deposition Alloy 718 during electrochemical machining. The results show that SPF formed in chloride-containing electrolyte is more defective than that formed in chloride-free solution, due to the stepped-up cation ejection by chloride. Chloride accelerates the SPF failure via enhanced cation vacancy condensation, SPF dissolution and possibly via surface vacancy pairs' coalescence, restraining the formation of CrO3 and inducing a better surface quality than does the chloride-free electrolyte. Based on the Point Defect Model, a mechanism describing the influence of chloride on SPF was developed.
Subject headings
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
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- ref (subject category)
- art (subject category)
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- By the author/editor
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Guo, Pengfei
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Lin, Xin
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Macdonald, Digby ...
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Odnevall, Inger, ...
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Zhang, Shaoli
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Zhang, Yufeng
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show more...
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Lin, Changjian
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Wu, Qiang
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Yang, Yuan
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Huang, Weidong
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Physical Chemist ...
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Journal of the E ...
- By the university
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Royal Institute of Technology