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。
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.
试验结果表明，激光焊复合工艺可以显著提高焊缝熔深和焊接速度，从而实现采用小功率激光焊机实现铝合金激光焊接的目的。
Test results indicate that compound process of laser welding can remarkably improve weld penetration and welding speed, therefore low power laser welder can be used for aluminum alloy welding.
当CO2含量>30%后，复合焊接工艺稳定性变差，焊缝硬度急剧降低。
Moreover, when CO2>30%, the process stability and microhardness of weld dramatically decrease.
采用TIG焊方法焊接铝基复合材料，讨论了填充材料钛对焊缝综合性能的影响及填充材料的厚度与焊缝中生成物之间的关系。
In this paper, TIG welding is used to join aluminum matrix composite and the influence of Ti filler on the comprehensive properties of weld is discussed.
实验指出，使用F系列银复合钎料，对消除上述材料焊缝的残余应力的效果明显。
The results showed that the F-series composited brazed materials can be used efficiently to remove the residual stress within brazing join of hard alloy and steel.
而在光丝间距和离焦量变化过程中，激光束对复合热源平板堆焊焊缝表面成形的影响很小。
The influence of Nd:YAG laser on hybrid weld appearance is light in variation of laser-arc distance and defocusing distance.
通过分析TA2和Q 235b的焊接性，论述了钛与钢熔焊焊缝脆裂的机理，指出钛钢复合板焊接性能差的主要原因在于焊缝中产生了脆性的金属间化合物，从而导致焊缝在焊接应力的作用下发生开裂。
The results indicate that the brittle intermetallic compound in weld is the main reason why the weldability of the plate is bad, which leads to cracks under the effect of welding stress.
通过分析TA2和Q 235b的焊接性，论述了钛与钢熔焊焊缝脆裂的机理，指出钛钢复合板焊接性能差的主要原因在于焊缝中产生了脆性的金属间化合物，从而导致焊缝在焊接应力的作用下发生开裂。
The results indicate that the brittle intermetallic compound in weld is the main reason why the weldability of the plate is bad, which leads to cracks under the effect of welding stress.
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