Influence of the relative width of weld metal and strength of weld metal wes researched.
研究了焊缝金属相对宽度和焊缝金属强度对接头性能的影响。
The microstructures of weld metal and HAZ under different thermal cycle are analyzed correspondingly.
分析了在不同焊接热循环条件下相应的部分易淬火钢焊缝及热影响区的显微组织。
The results show that the different heat treatment affects the toughness of the weld metal differently.
试验结果表明，焊后对焊缝金属进行不同热处理时，其韧性均有不同程度的影响。
The role of inclusions on the nucleation of acicular ferrite in Ti-B containing weld metal was discussed.
钢中的非金属夹杂物，对促进晶内针状铁素体的形成，提高焊缝金属韧性有显著的作用。
The optimum prescription was finally determined by the property tests of the welding process and weld metal.
经过焊接工艺性能和焊缝金属力学性能测试，最终确定最优配方。
Disadvantages include risk of hydrogen cracking in carbon steels and weld metal porosity in aluminium alloys.
缺点是在碳钢中有氢致裂纹、铝合金中有焊缝气孔产生的危险。
The penetration depth of weld metal can be increased by selecting correct gas-assisting blowing in laser welding.
激光焊接时正确选择侧吹工艺可以增大焊缝熔深。
Mechanical properties of the weld metal Mechanical properties of the weld metal are not part of the classification.
焊缝金属的机械性能焊缝金属的机械性能不是分类中的一部分。
The main influencing factors of the microstructure in weld metal are composition and cooling rate of the weld metal.
研究了焊缝金属相对宽度和焊缝金属强度对接头性能的影响。
The results indicate that argon shielding can reduce the nitrogen content but not influence that of oxygen in the weld metal.
结果表明，采用氩气保护使焊缝金属中的氮含量减少，而对氧含量的影响则不大；
In this paper, the temperature field of weld metal solidification cracking in the stainless steel was analyzed and simulated.
进行了不锈钢焊接凝固裂纹温度场分析与数值模拟。
Neodymium can increase weld metal hot cracking susceptibility of the pure nickel electrode used for cold welding of cast iron.
纯镍铸铁焊条中加入稀土钕会增加焊缝热裂敏感性。
The results show that the addition of Zr increases the content of acicular ferrite and improves the microstructure of weld metal.
结果表明，锆的加入增加了焊缝金属中针状铁素体的含量，改善了焊缝金属的微观组织。
It was found that impact toughness of weld metal was maximum using carbon arc air gouging, and it was minimum using acid backing.
结果表明，清根方式对焊缝冲击韧度有明显影响，用碳弧气刨清根得到的焊缝冲击韧度最好，而用酸性衬垫得到的焊缝冲击韧度最差。
Welding programs produce students who can use technical comprehension and ability to fabricate and weld metal components together.
焊接专业的学生使用自己所学的技术技能制造和焊接金属部件。
Its results show that with decreasing the relative width of under-matching weld metal, the tensile strength of welding joint increase.
结果表明：随低强焊缝金属相对宽度变小，接头抗拉强度增大；
Sulfur can significantly influence the shape and size of the weld and final weld metal solidification structure by altering flow patterns.
表面活性元素硫主要是通过改变熔池中流体的流动方式来影响熔池的形状和尺寸。
Fit and weld metal parts or sections together to fabricate boilers, vessels, tanks, heat exchangers, piping and other heavy-metal products.
安装和焊接金属部件或部分在一起，用于制造锅炉，容器，储罐，热交换器，管道和其他重金属产品。
There exist three brittle temperature ranges during the course of solidification and cooling process in the weld metal of Low-carbon steel.
低碳钢焊缝金属凝固冷却过程存在三个脆性温度区。
The hydrostatic pressure explosion test on vessel indicates tha both base metal and weld metal have good comprehensive mechanical properties.
容器的液压爆破试验证明，母材和焊接接头具有良好的综合力学性能。
Small amounts of boron were transferred from the electrode to weld metal by adding boron oxide or ferroboron powder to the electrode covering.
通过在焊条药皮中加入氧化硼或硼铁向焊缝渗入微量硼。
It has been indicated that the strengthening mechanism of the weld metal is the dislocation, a number of second island phases and fine grain size.
指出增加变形速率使近缝区金属强化机制为位错强化、一定数量的岛状第二相强化和细晶粒强化。
The use of high-power density laser beam to weld many alloys often leads to appreciable changes in the composition and properties of the weld metal.
高功率激光焊接合金材料时，常常导致焊缝合金元素的损失，从而影响焊缝的组织和性能。
This test piece shall be welded using the identical welding parameters as the original test and only weld metal impact test specimens shall be tested.
此试件应使用与原始试验相同的焊接参数进行焊接，并且仅对焊接金属冲击试样进行试验。
Carbon migration induces the formation of carbon-enriched layer in the austenitic weld metal and carbon-denuded layer in the Cr-Mo steels base metals.
碳扩散的结果是在紧邻熔合界面的焊缝金属一侧形成高硬度的增碳层，母材金属一侧产生硬度较低的贫碳层。
In this paper, the effect of copper content on the weld metal toughness in SAW of HSLA steels was studied by changing the copper content in welding wire.
采用埋弧焊方法，通过改变焊丝铜含量来改变焊缝金属中的铜含量，研究铜对高强度低合金钢焊缝金属韧性的影响。
This is the submerged arc welding, a commonly used welding method that can in an hour deposit weld metal equal in weight to that of the operator himself.
这是埋弧焊，一种常用的焊接方法，它在一小时内熔敷的金属量可以等于操作者本身的重量。
The effect of transformation temperature of weld metal on the residual stresses and the fatigue strength of welded joints is analyzed based on their test.
通过焊缝金属相变温度和残余应力测试以及焊接接头疲劳强度试验，分析了焊缝金属相变温度对焊接残余应力和焊接接头疲劳强度的影响规律。
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。
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。
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