Journal
FUSION ENGINEERING AND DESIGN
Volume 179, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.fusengdes.2022.113142
Keywords
Explosive welding; ODS-Cu; SPH simulation; Grain structure
Categories
Funding
- Major Science and Technology Project of Anhui Province [202003a05020035]
- Fundamental Research Funds for the Central Universities [WK2480000008]
- China National Nature Science [51874267]
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This paper introduces the use of explosive welding technique for manufacturing ODS-Cu/316 L stainless steel composite. Experimental and numerical investigations were conducted to study the microstructure evolution and mechanical properties of the bonding interface. The results confirm that explosive welding technology is a feasible way to fabricate high-quality ODS-Cu/316 L stainless steel joints.
In this paper, the explosive welding technique was introduced to manufacture ODS-Cu/316 L stainless steel composite. The experimental and numerical investigations were carried out on the microstructure evolution as well as mechanical properties of the bonding interface. In both microstructure observations and mechanical tests, an excellent bonding quality of ODS-Cu/316 L stainless steel clad was confirmed, supporting that the explosive welding technology is a feasible way to fabricate high-quality ODS-Cu/316 L stainless steel joints. The EBSD results revealed a remarkable diversity of the grain structure at the bonding interface, including elongated grains, rectangular grains, equiaxed fine grains and columnar grains. The simulation reproduced the wavy interface observed in experiment accurately and forecasted the thermomechanical behavior of interface adequately, giving an opportunity to elucidate the observed phenomena.
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