Electrochemical behavior of laser shock peened Inconel 625 superalloy

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• 作者：D. Karthik^a ; S. Arul Xavier Stango^b ; U. Vijayalakshmi^b ; S. Swaroop^a ; ^{n.r.sathya.swaroop@gmail.com}
• 关键词：Inconel 625 ; Laser peening without coating ; Residual stress ; Hardness ; Roughness ; Electrochemical behavior
• 刊名：Surface and Coatings Technology
• 出版年：2017
• 出版时间：15 February 2017
• 年：2017
• 卷：311
• 期：Complete
• 页码：46-54
• 全文大小：1647 K
• 卷排序：311

文摘

Residual stresses of ~− 800 MPa developed in laser peened Inconel 625 superalloy. Average roughness at laser peened surface was found to be smaller (≤ 1 μm). Corrosion rate decreased about 104 fold at laser peened surface. Charge transfer resistance increased about 3 times at laser peened surface.