Investigations on the microstructure, tensile strength and high temperature corrosion behaviour of Inconel 625 and Inconel 718 dissimilar joints

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• 作者：K. Devendranath Ramkumar^a ; ^{deva@vit.ac.in} ; ^{ramdevendranath@gmail.com} ; Winston Sunny Abraham^a ; Vedha Viyash^a ; N. Arivazhagan^a ; Arul Maximus Rabel^b
• 关键词：Inconel 625 ; Inconel 718 ; Welding ; Microstructure ; High temperature corrosion ; Mechanical properties
• 刊名：Journal of Manufacturing Processes
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：25
• 期：Complete
• 页码：306-322
• 全文大小：10079 K
• 卷排序：25

文摘

Effect of Ni-Mo rich fillers on the control of laves phase in the dissimilar welds. Segregation of Mo rich phases in the inter-dendritic regions. Tensile strength of the weldments was superior than the base metals. Molten salt corrosion studies on the dissimilar joints exposed at 900 °C. Parent metal Inconel 718 exhibited lower corrosion resistance with spallation and blistering of oxide scales.