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1) girth weld
环焊缝
1.
Effect of simulated welding parameters on pipe girth weld residual stresses;
数值计算模拟工艺参数对管道环焊缝残余应力的影响
2.
In order know the size and the distribution of residual stresses of mill welding seam,this paper uses blind-hole method to test the girth welds between round plate and the cylinder body of the mill produced by CBMI CONSTRUCTION CO.
为了了解滑履磨机焊缝残余应力的大小和分布规律,该文应用盲孔法对中材建设有限公司生产的某型号磨机的圆平板与圆筒体之间的环焊缝及其近缝区的表面残余应力进行了现场测试。
3.
The mechanical properties testing and metallography testing of girth welded joints were carried out.
采用E9018-G焊条手工电弧根焊,用低组配药芯焊丝自保护焊和高组配焊条手工电弧焊填充盖面工艺焊接了X80钢级大变形钢管环焊缝,对环焊缝接头进行力学性能测试和金相观察分析。
2) circumferential weld
环焊缝
1.
Ductile tearing assessment of surface flaw in circumferential weld of pipe-line based on J integral parameter;
基于J参量的管道环焊缝表面缺陷塑性撕裂评定
2.
This paper consider the influences of materials,stress,process and diffusion hydrogen etc on the circumferential weld cracks in steel cylinders,analyzes the microstruture and fracture appearance by scanning electron microscope and metallography microscope,and finds out the main reasons why cracks emerge and also the prevention measures.
本文考察了材料、应力、工艺、扩散氢等诸因素对该钢瓶焊接时环焊缝裂纹的影响,通过扫描电镜、金相显微镜对其显微组织和断口进行了分析。
3.
In order to solve this problem , "automatic welding system for circumferential weld of large diameter penstock" is especially developed .
在水电站压力钢管道施工中,钢管接头处往往具有大小不同的椭圆度,为解决这一问题,特地研制了"大直径压力钢管环焊缝组装对接自动化系统"。
3) ring weld
环焊缝
1.
The result shows that the ring weld has weld defects and under alternating stress it will crack,which will finally cause breaking of the urea synthetic tower.
某发生事故的尿塔为多层包扎式筒体,经过金相组织检查、晶粒度测定和循环变形分析,认为环焊缝存有焊接缺陷,在交变应力作用下,焊接缺陷会萌生裂纹,并最终导致尿塔断裂失效。
4) girth welds
环焊缝
1.
Ultrasonic testing is an important flaw detection technology of oil and gas pipeline girth welds.
超声检测是油气管道环焊缝缺陷检测的一项重要技术。
5) butt weld
环焊缝
1.
The residual stresses in a Φ72Omm helical welded pipe and a Φ380mm butt welded pipe are inversyigated by drilling hole method and cutting off method.
通过小孔法与分割法对 Φ72 0 mm螺旋埋弧焊管和 Φ3 80 mm对接焊管的残余应力测试 ,分析探讨了螺旋焊缝、环焊缝以及焊缝热影响区的残余应力分布 。
2.
Due to the large size of the deaerator water tank of a nuclear power station,in-situ welding is required for 2 ring butt welds,causing difficulties in welding and heat treatment.
某核电站除氧器水箱尺寸较大,其2条环焊缝需在现场拼焊,焊接和热处理难度很大。
6) girth welding
环焊缝
1.
Research of root welding technology and welding procedure with back-up shoes pipeline girth welding
带衬垫的管道环焊缝根焊技术及焊接工艺
2.
Research on pipeline girth welding joint with copper infiltration and copper back-up shoes root welding
管道环焊缝采用铜衬垫根焊及焊缝渗铜研究
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
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