There are reactor coolant system weld issues, they're used and they're getting primary water stress corrosion cracking.
还有反应堆冷却剂系统焊接问题，它们使用了并且得到原生水,应力腐蚀裂痕。
Avoiding serious collection of weld: serious collection of weld will make the stress added together.
避免焊缝过分集中：焊缝过分集中将使应力叠加在一起。
Weld-seam position and thickness difference do not affect stress and strain states.
焊缝位置和壁厚差异变化时，拼焊管各区域的应力状态保持不变。
The distribution of residual stress of weld joints is analyzed.
并分析了焊接接头残余应力的分布规律。
In this paper, the problems on compressive plastic deformation in the weld and the principle of welding stress and strain described by d.
讨论了焊缝是否存在压缩塑性变形问题和拉达伊d应力应变原理图存在的问题。
Because of the complexity of welding process, the research of weld process produce hot and stress through method of experiment is very difficulty.
因为焊接过程的复杂性，所以很难通过实验的方法对焊接过程产热和应力分布进行研究。
Weld with trailing impactive rolling (WTIR) is a new technique to reduce the residual stress and distortion and prevent hot cracking of thin-walled structure.
随焊冲击碾压是一种控制薄壁结构焊接应力变形、防止热裂纹的新方法。
The rupture reasons of tube joint weld of the stainless steel pressure meter are analyzed. It is characteristic of stress corrosion cracking and inter granular fracture.
分析了不锈钢压力表管接头焊缝开裂的原因，认为此种开裂具有应力腐蚀开裂、沿晶断裂特征。
Improvement of elongation of joint is related to weaker cool deformation degree of heat affect zone (HAZ) and uniformity of strength and stress level between weld and base metal.
接头延伸率的改善同热影响区冷变形程度的减弱及焊缝强度、应力水平同母材趋于一致有很大关系。
According to the elastic theory, this paper gives partition Law of stress and quantitative answers over the overlap joint weld on skirted support.
利用弹性理论，分析推证出了裙式支座搭接焊逢内的应力分布规律及其定量解答。
This article introduced the experiment of residual stress in flat tubeplate head of large scale fuel boiler that was manufactured by cold rotary extruding and butt weld.
本文介绍了大型燃油锅炉经拼板焊接和冷旋压加工制造而成的平管板封头残余应力试验。
Hoop residual stress es in the weld vicinity are tensile in both inner and outer surfaces.
焊缝及附近的环向残余应力在内、外表面均为拉应力。
The weld defects and thermal stress result in failure of vapour wax-removal loop-pipe used in floating roof tank.
浮顶罐蒸汽除蜡装置失效的原因是施工焊接缺陷和热应力破坏。
A method about improving the crack resistance of weld metal and reducing structure stress during welding process, i. e. hammering welds and watered rapid cooling after welding, was obtained.
研究出了提高焊缝金属抗裂性能及降低焊接过程结构内应力的工艺方法——焊后捶击焊逢并浇水快速冷却。
The regularity of the weld bead displacement is deduced by analysing the stress of the square cup stamping.
通过对盒形件拉深过程的应力分析，得到了焊缝移动规律。
For the T-fillet weld, there are high stress, difficult to weld, more defects and easy to be corroded in vertical oil tank, which is often neglected.
大型立式油罐t形角焊缝部位应力高，施工难度大，焊缝存在缺陷多，容易受到腐蚀，而且常被忽视。
Design improvement is in three stages partial, geometrical stress concentration improvement, pure casting technology improvement and a forge-weld box body design.
设计改进分三个阶段，即局部几何性应力集中改进、提高铸造质量的纯工艺改进和锻焊组合结构抱轴箱体的设计。
Superhigh strength steel AF1410 is a type of new aviation steel, which is good for resisting stress corrosion and is not difficult to weld.
AF 1410超高强度钢是一种抗应力腐蚀和焊接性能较好的新型航空材料。
The weld residual stress by PWTH is discussed in order to prove that PWTH can really improve the distribution of stress.
残余拉应力区宽度变大。 文中还给出了焊后热处理后的应力大小情况，以证明焊后热处理能改善应力分布。
In the last of this chapter discuss the effect of the critical stress when the plate was in the condition of corrosion and removal of weld.
在本章的最后，叙述了筋条的锈蚀和脱焊对板的稳定性临界应力的影响。
Weld residual stress degree of irregularity is the important influencing factor for equipment life.
金属焊接引起的残余应力分布的不均匀程度是影响设备寿命的重要因素。
Residual extend stress is produced at weld toe by TIG dressing, while compressing stress of high values by ultrasonic peening.
TIG熔修处理工艺在焊趾区引入了残余拉应力，而超声冲击在焊趾区形成了较大数值的压缩应力。
In this paper, the creep compliance of Hot-plate welded joint of PE80 pipe is measured, and the effect of creep on the crack tip stress field in the weld is investigated.
本文测定了燃气用PE80管材热板焊接接头的蠕变柔量，研究了蠕变对焊缝裂尖应力场的影响。
The great error could be produced in measuring the residual stress in a weld with the use of calibration coefficient for the base metal instead of the weld metal.
目前通过应变增量计算残余应力的方法仍然是通过事先试验标定，测量超强或低强匹配焊缝中的残余应力时采用的仍然是母材的标定系数，因而会带来严重误差。
The FSW process results in different microstructures and stress distributions at different weld zones, which exhibit different corrosion behaviors correspondingly.
其工艺特性导致各焊缝微区组织和应力状况不同，从而展现出不同的腐蚀行为。
The results showed that the weld detects on the surface of the axle was the reason to cause low stress fatigue under rotation bending stress which finally lead to the fatigue cracks on the axle.
结果表明，该轴断裂是由于轴表面存在焊接缺陷，在旋转弯曲应力作用下产生低应力疲劳开裂。
The residual stress tests were conducted on different weld structures of repaired pipelines by drill-hole method in order to investigate the influence of welding repair on pipeline integrity.
为了解管道修复中焊接残余应力对管道完整性的影响，用钻孔法分别测试了打孔管道的不同焊接修复结构的残余应力，并和管道螺旋焊缝处的残余应力进行了对比。
From the aspects of how to control weld stress and weld deformation, welding process of bucket bottom is studied and discussed.
从如何控制焊接应力和焊接变形的角度出发，对斗底的焊接工艺进行研究和探讨。
From the aspects of how to control weld stress and weld deformation, welding process of bucket bottom is studied and discussed.
从如何控制焊接应力和焊接变形的角度出发，对斗底的焊接工艺进行研究和探讨。
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