Jiahao Cheng R&D Associate Staff Contact 865.574.4872 | CHENGJ@ORNL.GOV All Publications Effect of copper content on the tensile elongation of Al–Cu–Mn–Zr alloys: Experiments and finite element simulations Heat generation and deformation in ultrasonic welding of magnesium alloy AZ31 Pagination First page « First Previous page ‹â¶Ä¹ Page 1 Current page 2 Key Links Organizations Energy Science and Technology Directorate Manufacturing Science Division Precision Manufacturing and Manufacturing Innovation Deposition Science and Technology Group Secure and Digital Manufacturing Section User Facilities Manufacturing Demonstration Facility