保护气成分对1000 MPa级高强熔敷金属组织特征的影响
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安同邦 1,2( ),魏金山 1,单际国 2,田志凌 1
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Influence of Shielding Gas Composition on Microstructure Characteristics of 1000 MPa Grade Deposited Metals
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Tongbang AN 1,2( ),Jinshan WEI 1,Jiguo SHAN 2,Zhiling TIAN 1
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图7. 不同保护气熔敷金属凝固组织转变机制示意图
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Fig.7. Schematics of microstructure transformation mechanism of deposited metals with different shielding gases(a) vertical cross-section phase diagrams of deposited metal(b) schematic of solidification model of weld pool metal(c) 95%Ar+5%CO2 (d) 90%Ar+10%CO2 (e) 80%Ar+20%CO2 (f) 70%Ar+30%CO2 |
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