Hardness measurement on welding thermal simulated specimens and cross weld specimens showed that no softening occurred in the HAZ. All the cross weld tensile specimens ruptured in the base metal.
无论是焊接热模拟试件还是焊接接头硬度测试均表明HAZ不存在软化问题，接头拉伸试验断在远离热影响区的母材上。
It showed that the weld cross section with both laser welding processes transformed from nail shape to near X shape with increase of laser power and decrease of welding speed.
结果表明，随激光功率增大和焊接速度降低，复合焊与单一激光焊焊缝的横截面形貌均由钉形向近X形转变。
The cross connection point of the round steel should weld fastness.
圆钢的交叉连接触应焊接牢固。
Weld the cross-member gusset as shown in the drawings below.
焊缝交叉成员扣板如下图所示。
With increase of heat input and laser power density, the cross section of the weld transformed from nail shape to near X shape.
随焊接热输入和激光功率密度的增大，焊缝截面由钉形向近X形转变。
The longitudinal cracks along bond line and the transverse cracks which cut across the weld metal cross section inside weld metal were formed, while X65 pipe line steel was welding.
X65管线钢在焊接过程中，内侧焊缝金属出现横向和纵向沿熔合线方向的裂纹，横向裂纹贯穿焊缝金属横截面。
Transverse/cross/lateral contraction deformation:The component contracts in the upright direction of weld after weiding.
横向收缩变形：构件焊后在垂直焊缝方向上发生的收缩。
The results of performance measurement test show that tensile-strength, contraction of cross sectional area, elongation percentage, dynamic ductility of the weld all exceed their base metal.
焊后试件的性能测试结果表明，焊接接头的拉伸强度、断面收缩率、延伸率及冲击韧性均已超过母材。
In the microhardness survey test, a pyramid-shaped diamond is impressed into 23 or more points across the face of a weld sample cross section.
在显微硬度测试中，在焊缝试样横截面上用锥形金刚石压入23或更多的点。
Metallurgical tests of cross-sectional weld samples indicate a minimal heat-affected zone that is identical to the parent metal.
剖焊样品的金相检验表明，成品的最小热影响区与母体金属完全相同。
As a result of anti-block thickness was not weld cross-section of smaller sizes, and carrying capacity is not strong;
由于防倒块厚度不大，焊缝截面尺寸较小，承载能力不强；
As a result of anti-block thickness was not weld cross-section of smaller sizes, and carrying capacity is not strong;
由于防倒块厚度不大，焊缝截面尺寸较小，承载能力不强；
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