保护气成分对1000 MPa级高强熔敷金属组织特征的影响
安同邦1,2(
),魏金山1,单际国2,田志凌1
),魏金山1,单际国2,田志凌1
Influence of Shielding Gas Composition on Microstructure Characteristics of 1000 MPa Grade Deposited Metals
Tongbang AN1,2(),Jinshan WEI1,Jiguo SHAN2,Zhiling TIAN1
),Jinshan WEI1,Jiguo SHAN2,Zhiling TIAN1
图1. 不同保护气末层焊道熔敷金属显微组织的SEM像
Fig.1. SEM images of the as-deposited top beads with different shielding gases (Bc—coalesced bainite)(a) 95%Ar+5%CO2 (b) 90%Ar+10%CO2 (c) 80%Ar+20%CO2 (d) 70%Ar+30%CO2
