[IS] 国際セッション(2)　Cutting-Edge Science and Technology in Additive Manufacturing（2）

[IS18] Post-treatments of Laser Metal Deposited Inconel 738 LC Weld

*H.W. CHEN¹, M.S. LEU², *J.K. CHEN³ (1. National Taipei Univ. of Technology, Taiwan (Graduate Student), 2. Industrial Technology Research Institute, Taiwan, 3. National Taipei Univ. of Technology, Taiwan)

キーワード：Inconel 738 LC、Laser Metal Deposition (LMD)、Solutionization and Aging、Microhardness

γ' phase was inhibited in LMDed Inconel 738LC weld. Direct aging treatment increases the microhardness by 31% to 522.4 HV. Low temperature treatment can have less effects on the repair parts.