机译:脉冲频率对脉冲气体钨极电弧焊中21%Cr铁素体不锈钢组织的影响
of;
Materials;
Science;
and;
Engineering,;
Tianjin;
University,;
Tianjin;
300072,;
China;
Key;
Laboratory;
of;
Advanced;
Joining;
Technology,;
Tianjin;
300072,;
China;
lnstitiute,;
Baoshan;
Iron;
&;
Steel;
Co.,;
Ltd.,;
Shanghai;
200431,;
China;
脉冲钨极氩弧焊; 铁素体不锈钢; 脉冲频率; 微观结构; Cr; 脉冲气体; 等轴晶粒; 柱状晶粒;