surface weld

The thermal deformation in penetration welding with a laser has been investigated as a factor which results in the elevation on the surface of the weld.

研究了热变形对激光深熔焊焊缝表面形状的影响。

It's very significant to monitor and measure the weld pool surface in tridimension.

熔池表面三维检测与测量意义深远,但是因实现困难而研究工作很少.

The results show that the triaxial residual stresses and plastic strains can accumulate to relatively high values just below the surface and at a short distance away from the weld area.

结果表明，在表面焊道下面并且离开焊缝中心线若干距离的地方，出现相当高的三向拉伸应力和大的塑性应变积累。

It can also avoid pretermission of plating, burnout of zinc layer on weld beam and heat affected zone, and other limitations on the inner surface of fuel tank made of galvanized sheet.

从而避免了传统电镀锌板直接焊接成型油箱内表面漏镀、焊缝及热影响区锌层烧损等缺陷。

But current density and heat flux on deformed weld pool surface are not similar Gauss distribution.

而变形熔池表面的电流密度和热流密度分布则不再符合近似的高斯分布.

Penetrant flaw detection agent was used to detect the backing weld surface, and the number of cracks was indicated by surface crack rate.

打底焊缝正面使用渗透探伤剂探伤，用表面裂纹率表示裂纹的数量。

The experimental method is the preliminary application of surface tension detection of weld pool.

试验研究方法为焊接熔池表面张力测定中的最初应用.

The main features are that the back surface weiding seams are even, smooth and weld edge tidy, excellent in performances of welding technology and welding seam dynamics. Unique output special design can suit wire filling welding and form good-looking welding seam.

主要特点是背面焊缝匀称、光滑，焊趾整齐，焊接工艺性能及焊缝力学性能优良。独特的输出特性设计更适合填丝焊接，焊缝美观。

The method to measure the stress state on surface of material was introduced, and the state as well as the thermal relaxation behavior of residual stress for cross weld of low carbon steel was investigated.

介绍了材料表面应力状态的X射线测量方法，研究了低碳钢交叉焊缝残余应力状态及其热松弛行为。

The experimental method is the preliminary application for surface tension detection of weld pool.

实验研究方法为焊接熔池表面张力测定中的最初应用.