This welding process joints work pieces by melting the electrode and the base metal with the heat from the electric arc between the electrode and the work piece.
它是一种利用焊条与工件之间电弧产生的热量熔化焊条和母材而将被焊工件连接起来的焊接方法。
The toughness of HAZ is higher than base metal under appropriate laser welding conditions.
在合适的激光焊接条件下，热影响区韧性高于母材；
Filler materials: For welding, base metal matching filler materials shall be used.
填充材料：对于焊接，应使用与基材相匹配的填充材料。
The joint which is connected by welding method is called the welding joint, which is composed of welding seam, fusion zone, heat affected zone and its adjacent base metal.
用焊接方法连接的接头称为焊接接头，它由焊缝、熔合区、热影响区及其邻近的母材组成。
This paper summarize principle and technical characteristics of precession welding machine, and emphases on precession welding technics of thin metal wire on pellicular PCB base?
概述微点焊接的工作原理和技术特点，以及用于薄膜铂电阻温度传感器中的薄膜基板上细小金属引线的微点焊技术。
The deep penetration Laser welding is the base of extensive utilization for the high-laser welding of metal materials.
激光深熔焊接是大功率激光焊接金属材料得以广泛应用的基础。
The effect of coating on anti corrosion has been studied, which is formed by laser cladding and plasma spurt welding on metal base of anti acid stainless steel.
研究了在耐酸不锈钢基体上采用激光熔覆和等离子喷焊两种工艺形成的涂层对耐腐蚀性的影响。
Weld spatter consists of particles of metal unintentionally ejected from the molten pool during welding and deposited on the surface of base or weld metal.
焊接溅落包括无意地从熔融池中溅出的金属颗粒并落到了母体金属或焊缝金属的表面。
The strength of fillet welding joint is related not only to the fillet weld size, but also depends on the base metal strength matching.
角焊缝的强度不仅与焊脚尺寸有关，还取决于焊缝金属与母材强度的匹配。
To reveal the influence of forced convection on gas shielded arc welding temperature field, the infrared camera was used to investigate the temperature field of the base metal in CO2 arc welding.
为了研究强制对流对气体保护焊温度场的影响，通过红外热像仪检测了CO2气体保护焊的温度场，发现在熔池及其邻近区域温度呈圆锥型分布。
Shielded Metal Arc Welding, Submerged-arc Welding and CO2 Arc Welding are recommended for base layer welding.
基层的焊接，推荐采用手工电弧焊、埋弧焊以及二氧化碳气体保护焊。
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。
The basic requirement of welding the steel 2205 is that the weld metal and heat-affected zone obtain a favorable phase balance and retain the performance as the base metal after welding.
平衡铁素体和奥氏体两相组织在焊缝金属和热影响区中的比例，保证焊接接头的性能，是双相不锈钢焊接的基本要求。
The diffusion velocity of the interlayer is direct proportion to welding temperature, the composition of base metal is the key of the welding temperature choice.
中间层的扩散速度与焊接温度呈正比，母材的成分对焊接温度选择有重要影响。
With the heat input of laser welding increases, the hardness of HAZ decreases, but it is higher than that of the base metal, indicating no softened zone after laser welding.
焊接接头显微硬度随热输入的增大而减小，均高于母材，未出现明显的软化区。
The invention discloses a device for preventing high temperature caused by welding metal embedded parts from burning out concrete base layers and a method thereof.
本发明公开了避免金属预埋件焊接高温烧坏混凝土基层的装置和方法。
By using this process to repair castings, there is no obvious separating line, no slag inclusion and gas hole between the welding zone and base metal.
用此工艺焊补铸件，焊补区域与基体间没有明显的熔合线，无渣孔、气孔等缺陷。
The microhardness declined from the welding line to base metal, and the microhardness of the welding line was about 35 higher than that of base metal.
从焊缝区到母材，显微硬度值逐渐下降，焊缝区硬度值高出母材约35。
When welding directly to base metal, the base metal shall be no thinner than 1/3 the stud diameter.
当（螺柱）直接焊于母材时，严禁母材厚度薄于螺柱直径的1/3。
Moreover, the fatigue crack growth rates of the weld metal and heat affected zone are lower than those of the base metal. Having excluded the effect of welding residual tress...
在排除焊接残余应力导致的裂纹闭合效应后，焊缝及热影响区疲劳裂纹扩展速率与基材相当。
The welding rod capable of forming pile-up welded graphite-steel metal consists of welding rod core of low-carbon steel and nickel or nickel-base alloy and coating outside the welding rod core.
本发明公开了一种可通过焊接形成石墨钢堆焊金属的焊条。它由低碳钢、镍或镍基合金制成的焊芯和压涂在焊芯外表面的焊条药皮构成；
Because the welding is affected by sensitive temperature, the intergranular corrosion resistance of weld metal is worse than that of base metal.
由于焊接过程中受到敏化温度影响，焊缝的耐晶间腐蚀性要比母材差。
Because the welding is affected by sensitive temperature, the intergranular corrosion resistance of weld metal is worse than that of base metal.
由于焊接过程中受到敏化温度影响，焊缝的耐晶间腐蚀性要比母材差。
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