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3 不同保护气熔敷金属中夹杂物统计
Table 3 General characteristics of inclusions observed in deposited metals with different shielding gases

Shielding gas

Average diameter

μm

Maximum size

μm

Number density

104 mm-2

Area fraction

%

95%Ar+5%CO20.33161.11810.00.08
90%Ar+10%CO20.40231.3659.80.13
80%Ar+20%CO20.41371.40812.30.20
70%Ar+30%CO20.43381.44712.90.22