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1) I-weld
I形焊缝
2) weld profile
焊缝形貌
1.
This paper introduced that the characteristic of forming and the effecting factors of weld prefile of spiral submerged welded pipe,It is analyzed the effecting of welding parameters to weld profile of spiral submerged welded pipe.
对影响螺旋埋弧焊管焊缝成型的因素及焊缝成型的特征进行了较为详细的阐述,分析了螺旋埋弧焊管焊接工艺参数对焊缝形貌的影响,针对螺旋埋弧焊管成型焊接特征,试验研究了成型焊接主要工艺参数的变化对焊缝形貌的影响,同时对焊缝形貌进行了计算机优化和模拟,实际生产中取得了满意的效果。
2.
It is improved to reflect general “wine-cup” or “nail” shape weld, and also numerically simulated temperature field distributions during electron beam welding of plate by using ANSYS, and it was validated with weld profile and thermal cycle curves measured.
作者对此进行了改进,使其能较好的反映常见的“酒杯”形或“钉”形焊缝,并采用了ANSYS软件对平板电子束焊接温度场进行了数值模拟,同时从焊缝形貌及试验测得的热循环曲线进行验证,得到了与试验结果较吻合的温度场计算结果。
3.
By combining experiment with theoretical analysis,the influence of adding axial magnetic field on shape and properties of tungsten inert gas(TIG) welding arc and weld profile was studied.
采用实验与理论分析相结合的方法,研究了外加纵向磁场对TIG焊电弧形态、电弧静特性及焊缝形貌的影响。
3) appearance of weld
焊缝成形
1.
Effects of transverse rotating magnetic field on appearance of weld in tungsten inert-gas arc welding;
横向旋转磁场对TIG焊焊缝成形的影响
2.
Compared with the laser welding, laser-plasma arc hybrid welding can increase welding speed and tolerance towards poor joint fitup, reduce porosity as well as hot cracks and improve the appearance of weld.
已发表的研究文献表明,与单独激光焊相比,此技术可显著提高焊接速度和间隙适应能力,有效地减少气孔和热裂纹,改善焊缝成形质量,可应用于剪裁拼板焊、涂层钢的搭接焊、填丝焊、薄板高速焊及表面合金化,适合于低碳钢、不锈钢及铝合金等材料,且能用于立焊。
3.
It was found that only when the gap was much smaller than the weld width of traditional TIG welding and A-TIG welding, flux gap have more effect on the appearance of weld.
进行了SiO2、TiO2、CaF2以及自行研制的AF305多组元活性剂铝合金FBTIG焊接试验,研究了间隙和活性剂对FBTIG焊缝成形的影响。
4) weld formation
焊缝成形
1.
Twin-electrode TIG welding procedure and mechanism of weld formation;
双钨极氩弧焊工艺及焊缝成形机理分析
2.
Automatic extraction of weld formation parameters by back CCD visual sensor;
背面CCD视觉传感焊缝成形参数的自动提取
3.
Numerical simulation on weld formation of twin-electrode GTAW welding;
双钨极氩弧焊焊缝成形的数值模拟
5) weld shaping
焊缝成形
1.
Effect of energy parameters on weld shaping for hybrid laser/plasma welding of titanium alloy;
激光/等离子电弧复合热源能量参数对钛合金焊缝成形的影响
2.
Analyzing the effect of welding process factors on weld shaping;
焊接工艺因素对焊缝成形影响的分析
3.
Effect of preheating temperature on weld shaping and microstructure for laser lap welding of aluminum alloy;
预热温度对铝合金搭接激光焊焊缝成形及组织的影响
6) weld shape
焊缝成形
1.
Effects of welding parameters on weld shape of laser-MIG hybrid welding of AZ31 magnesium alloy
工艺参数对AZ31镁合金激光-MIG复合焊缝成形的影响
2.
The effects of welding speed, defocusing distance, laser power, shielding gas, activating flux and activating elements on weld shape in YAG laser welding of SUS304 stainless steel was studied.
以不锈钢SUS304作为试验对象,分别研究了焊接速度、散焦离焦量、激光功率和保护气体等工艺参数以及活性剂和活性元素硫对不锈钢YAG激光焊焊缝成形的影响。
3.
The effect of welding parameters on the weld shape and weld miscrostructures were studied by butt-welding of TiNi alloy thin sheet using pulse laser.
2mm厚TiNi合金薄片脉冲激光对接焊时易出现烧穿;激光峰值功率、脉冲宽度以及脉冲频率对焊缝成形有较大的影响,焊缝熔深和熔宽随着这三个参数的增大而增加。
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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