焊接参数对Ni60合金等离子堆焊层组织结构和显微硬度的影响
한접삼수대Ni60합금등리자퇴한층조직결구화현미경도적영향
Influence of Parameters on Microstructure and Microhardness of Ni60 Alloy Hardfacingby Plasma Transferred Arc Welding
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