The micro shear test could give a new way to evaluate the mechanical properties in weld joint of aluminium alloy.
微型剪切试验为铝合金焊接接头力学性能的评定提供了一个新途径。
A choke shape design is used for obtaining the satisfactory weld joint.
采用缩口的接触型式，能获得满意的电阻焊接头。
The invention has good weld joint molding effect and uniform weld joint reinforcement.
本发明焊缝成型效果好，焊缝余高均匀。
An automatic CO2 welding device for elbow pipe and flange fillet weld joint is introduced in the paper.
介绍一种弯管和法兰角接接头填角焊的自动焊接装置。
The corrosion behavior of austenite stainless steel weld joint in the different acidic medium was studied.
研究了奥氏体不锈钢焊接接头在不同酸性介质中的腐蚀行为。
In this paper, the influence of pre heating temperature on the content of diffusive hydrogen in weld joint was studied.
本文研究了焊缝中扩散氢含量与预热温度的关系。
The influence to corrosion resistant ability of duplex stainless steel (SAF2205) after solution treatment to weld joint.
分析了采用焊后固溶处理对SAF2205双相不锈钢耐腐蚀性能的影响。
Once joined, and while still hot, the parts may be pulled apart slightly to reduce the wall thicknesses at the weld joint.
一旦焊接并且部件还是热的时候，可将部件稍微拉开以减少焊接接头处的壁厚。
The mechanical property of weld joint was tested and the microstructure was analysed, the welding process was proved feasible.
通过对焊接接头的力学性能检验、微观组织观察和分析，证明了该焊接工艺的可行性。
The main region of invalidation of the weld joint between different steels is commonly in fusion zone during welding or serving.
异种钢焊接接头在焊接时或使用期间，发生失效的主要区域通常在熔合区。
The results showed by verification that, outside the range of weld joint, the calculation theory proposed by this paper is reliable.
验证结果表明，除了焊缝区之外，本文提出的计算理论是可靠的。
The results show that the TIG weld joint of ZM5 magnesium alloy is composed of heat affected zone, partially melted zone and weld metal.
结果表明：ZM5合金TIG焊接接头是由热影响区、部分重熔区和焊缝组成。
The tests show: there are steady arc burning, fully fused weld joints, good connection between base metal and weld joint, no air bubble, cracks etc.
试验过程电弧燃烧稳定，焊接接头充分熔透，母材与焊缝连接良好，未见气孔、裂纹等缺陷。
Widely used for butt weld joint between carbon steel, alloy steel, non-ferrous pipes, bars and profiled materials or butt weld between heterogenous metals.
广泛用于碳钢、合金钢、有色金属的管、棒、板、型材之间的对焊或异类金属之间的对焊。
The result shows that the fracture mode is low stress brittle fracture. The fracture is mainly caused by needle type martensite in the heat affected zone of the weld joint.
结果表明，在连接杆焊缝附近的热影响区中存在大量针状马氏体组织，在低应力的作用下，导致材料发生脆性断裂。
The tensile properties and microstructure of LF6 aluminum alloy weld joint under simulating near earth space environment are studied by means of vacuum thermal cycling system.
采用真空热循环试验装置，模拟近地轨道空间环境，研究了LF 6铝合金焊接接头拉伸性能和微观组织，分析讨论了真空热循环对焊接接头的影响规律。
The stress concentration state of weld joint on a tube socket containing defects exceeding grade after long term service has been evaluated by using the magnetic memory test (MMT).
用磁记忆检测(M MT)法评价了含超标缺陷管座角焊缝长期服役后的应力集中状况。
Aiming at the zinc residue in the weld joint nugget of DP590GA, a double-impulse welding parameter with preheating impulse is designed to further improve its mechanical properties of the weld joint.
并针对DP590GA焊点熔核中锌元素的残留现象，设计出加预热的双脉冲焊接规范，进一步改善其点焊接头的力学性能。
The reason of the Weld Joint Cracking on high frequency welding pipe was investigated by using macroscopic observation, metallographic technology, fracture analysis and EBSD technology.
本文通过使用宏观观察、金相分析、断口分析和电子背散射衍射（EBSD）等分析手段对高频焊管焊后弯管开裂的原因进行了分析。
The reason of the Weld Joint Cracking on high frequency welding pipe was investigated by using macroscopic observation, metallographic technology, fracture analysis and EBSD technology.
本文通过使用宏观观察、金相分析、断口分析和电子背散射衍射（EBSD）等分析手段对高频焊管焊后弯管开裂的原因进行了分析。
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