Laser shock peening (LSP): Electrochemical and hydrodynamic investigation of corrosion protection pre-treatment for a copper surface in 3.5 % NaCl medium

Chukwuike V. I.; Echem O. G.; Prabhakaran S.; AnandKumar S.; Barik R. C.

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Laser shock peening (LSP): Electrochemical and hydrodynamic investigation of corrosion protection pre-treatment for a copper surface in 3.5 % NaCl medium

机译：激光冲击喷丸（LSP）：3.5％NaCl培养基中铜表面腐蚀保护预处理的电化学和流体动力学研究

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Besides electrochemical corrosion protection, laser shock peening provides extended fatigue life and mechanical properties for metals, as reported in the literature. However, most of the studies were performed under static conditions. The effectiveness of this method under flow conditions and prolonged immersion duration is addressed in this study. Copper discs were peened with Nd: YAG laser in the presence of similar to 2 mm thickness of water and polyvinyl chloride to absorb the intensity and provide residual stress without surface damage. Electrochemical and hydrodynamic analyses indicate that the peened surface showed higher corrosion resistance in 3.5 % NaCl compared to the unpeened.

机译：除了电化学腐蚀保护外，激光震动喷丸为文献中报道的延长疲劳寿命和机械性能提供延长的疲劳寿命和机械性能。然而，大多数研究都在静态条件下进行。本研究解决了该方法在流动条件下和长期浸入持续时间的效果。用Nd：YAG激光在类似于2mm的水和聚氯乙烯的情况下喷除铜盘，以吸收强度并提供残余应力而没有表面损坏。电化学和流体动力学分析表明，与未分散的外，喷灌表面在3.5％NaCl中显示出更高的耐腐蚀性。

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来源
《Corrosion science》 |2021年第2期|109156.1-109156.15|共15页
作者
Chukwuike V. I.; Echem O. G.; Prabhakaran S.; AnandKumar S.; Barik R. C.;
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作者单位

CSIR Cent Electrochem Res Inst Karaikkudi 630003 Tamil Nadu India|Acad Sci & Innovat Res AcSIR Ghaziabad 201002 India;

Ken Saro Wiwa Polytech Dept Sci Lab Technol Bori Rivers State Nigeria;

VIT Univ Sch Adv Sci Dept Phys Vellore 632014 Tamil Nadu India;

Indian Inst Technol Jammu Dept Mech Engn Jammu 181221 Jammu & Kashmir India|CNRS Proc & Engn Mech & Mat PIMM Lab ENSAM F-75013 Paris France;

CSIR Cent Electrochem Res Inst Karaikkudi 630003 Tamil Nadu India|Acad Sci & Innovat Res AcSIR Ghaziabad 201002 India;

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正文语种 eng
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关键词
Copper; SEM; EIS; Laser; Corrosion;

机译：铜;一些;我们的;激光;束缚;

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3. Improvement of abrasion resistance in artificial seawater and corrosion resistance in NaCl solution of 7075 aluminum alloy processed by laser shock peening [J] . Wang Hao, Ning Chengyi, Huang Yihui, Optics and Lasers in Engineering . 2017,第mara期

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4. Investigation on Corrosion Behaviors of Ultra-Fine Grain Copper in 3.5 NaCl Solution [C] . Qingjuan Wang, Y.C.Wang, Zhongze Du, Nanomaterials by severe plastic deformation . 2011

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5. Study of the Effects of Laser Shock Peening on Corrosion Behavior of Aluminum Alloy 7075 [D] . Aravamudhan, Boopa Nandhini. 2018

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6. Electrochemical data of single and hybrid sol–gel coating precursors for aluminum alloy corrosion protection in 3.5 NaCl [O] . M. Hazwan Hussin 2019

机译：用于铝合金在3.5％NaCl中腐蚀防护的单一和混合溶胶-凝胶涂料前体的电化学数据
7. Electrochemical data of single and hybrid sol–gel coating precursors for aluminum alloy corrosion protection in 3.5 NaCl [O] . M. Hazwan Hussin 2019

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Laser shock peening (LSP): Electrochemical and hydrodynamic investigation of corrosion protection pre-treatment for a copper surface in 3.5 % NaCl medium

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