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1)  stress removing after welding
去应力
1.
The paper introduces the design of a new type load-bearing beeam- #" shape in a state important project, stress removing after welding and mechanics tests are also presents herein.
本文介绍了国家某重点工程中一种新型“井”字形承力梁的设计、焊后去应力处理和力学试验。
2)  Re-stress
去内应力
3)  destressing [di:'stresiŋ]
去应力,消除应力
4)  stress relieving annealing
去应力退火
5)  eliminate jointing stress
焊后去应力
1.
Because the inner rotor is multi-section which is connected by bolts and superconducting magnetic pole on the top,it can t stand vibration or high temperature,so after the armature jointing,it can t use groovy methods for eliminate jointing stress:natural seasoning,high temperature treatment and shake treatment.
因内转子轴向为多段式由螺栓联接组成、且其上装有超导磁极,不能承受振动或高温,故该转子焊后去应力无法按常规的几种方式:自然时效、热处理、振动时效进行。
6)  stress release and tempering
去应力回火
1.
In order to keep the property of forging pieces which they already have,calibrating in the way of cold correcting the shape with stress release and tempering could get a better result.
二次调质后,堆芯段筒体锻件产生了椭圆变形,为了不影响锻件已有性能,采用冷校形加去应力回火方法进行校正。
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