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,魏金山,单际国,田志凌

Influence of Shielding Gas Composition on Microstructure Characteristics of 1000 MPa Grade Deposited Metals
Tongbang AN,Jinshan WEI,Jiguo SHAN,Zhiling TIAN
表2 不同保护气熔敷金属的力学性能

Shielding gas

Rm

MPa

Rp0.2

MPa

Charpy absorbed energy / J

Vickers hardness

kg·mm-2

γ

RT-40 ℃
95%Ar+5%CO21173103849.317.3404.250.88
90%Ar+10%CO2110194255.033.0381.470.86
80%Ar+20%CO2116098072.652.0366.710.84
70%Ar+30%CO2104492157.647.6358.390.88