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1)  weld ductility
焊缝塑性
1.
The investigation on the mechanical properties of Ti-55M alloy weldments showed that the autogenous gas tungsten arc weldments exhibit low room temperature weld ductility.
5Sn焊丝,配合脉冲氩弧焊工艺和适当的焊后热处理制度,获得的焊缝塑性接近母材的塑性。
2)  weld performance
焊缝性能
3)  weld toughness
焊缝韧性
1.
Approved by the research consequence,original austenite grain size has significant effect on weld toughness.
针对这种高钢级厚板管线钢埋弧焊接条件下出现的焊缝韧性波动,采用SEM、能谱分析等对焊缝微观组织、冲击断口形貌、成分偏析、焊缝夹杂物、焊丝纯净度等进行了分析。
2.
According to the fact that the fluctuation of weld toughness at low welding speeds,the weld microstructure,appearances of impact fracture,composition segregation,purity of the plate and welding materials were analyzed by adopting light microscope and SEM,etc.
针对低速下焊缝韧性的波动,采用光镜、SEM等对焊缝微观组织变化、冲击断口形貌、成分偏析、板材及焊材纯净度等进行了分析。
4)  plastic crack
塑性裂缝
5)  as-welded ductility
焊后塑性
6)  superplastic welding
超塑性焊接
补充资料:ANSYS工字梁焊缝初应力例子

建立好模型
…..
/SOLU
!*
ANTYPE,0
/INPUT,'input','txt',
/INPUT,'output1','txt',
!*
ISFILE,READ,1,txt, ,0
SOLVE
=====================
!定义残余应力矩阵
I=1
fy=310e6
!定义单元中心坐标数组,初应力数组
*DIM,EleCenter,ARRAY,NumNode,3,1, , ,
*DIM,EleIS,ARRAY,NumNode,1,1, , ,
*DO,I, 1, NumNode,1
!得到单元中心坐标
*GET,EleCenter(I,1,1),ELEM,I,CENT,X
*GET,EleCenter(I,2,1),ELEM,I,CENT,Y
*GET,EleCenter(I,3,1),ELEM,I,CENT,Z
!焊缝位置在X=1.0 到1.05 之间
*IF,EleCenter(I,1,1),GT,1,THEN
*IF,EleCenter(I,1,1),LT,1.05,THEN
*IF,EleCenter(I,2,1),GT,0.5,THEN
!上翼缘初始应力
EleIS(I,1,1)=-20*fy*EleCenter(I,3,1)**2+0.3*fy
*endif
*IF,EleCenter(I,2,1),LT,0.0,THEN
!下翼缘初始应力
EleIS(I,1,1)=-20*fy*EleCenter(I,3,1)**2+0.3*fy
*endif
!腹板初始应力
*if,EleCenter(I,2,1),GE,0.0,THEN
*IF,ELECENTER(I,2,1),LE,0.5,THEN
EleIS(I,1,1)=4.076*fy*(EleCenter(I,2,1)-0.5)**2
EleIS(I,1,1)=EleIS(I,1,1)-0.719*fy
*IF,EleIS(I,1,1),LT,-0.3*fy,THEN
ELeIS(I,1,1)=-0.3*fy
*ENDIF


*ENDIF
*ENDIF
*ENDIF
*ENDIF
*ENDDO
===============
!输出应力数值
*CFOPEN,'1','txt',' '
*DO,I,1,3840
!*IF,EleIS(I,1,1),ne,0.,then
*VWRITE,'!'
(A)
*VWRITE,'! Stress for element',
(A,F)
*VWRITE,'!'
(A)
*VWRITE,'eis,',I
(A,F)
P=EleIS(I,1,1)
*VWRITE,P,0.,0.,0.,0.,0.
(E,E,E,E,E,E)
!*ENDIF
*ENDDO
*CFCLOS

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条