螺旋埋弧焊钢管内焊缝裂纹是本行业多年未解决的问题。
Inside welding seam cracking of spiral submerged Arc welded pipe is the unsolved problem for many years in the pipe field.
高温高压临氢管道运行一段时间发现多道焊缝裂纹，较为罕见。
The hydrogenation pipe would weld crack after running for some time as high temperature and high pressure, and the phenomenon was rare.
实践表明，焊接夹杂和气孔是引起罐体焊缝裂纹或导致爆炸的主要原因。
It was showed in practice that the welding inclusions and blowholes were the main causes leading to the explosion of the tanks or the cracking of the welding seams.
通过对高压导管焊缝裂纹的情况核实，决定采用焊接挖补的方法进行修复。
Through the situation of slight crack of brazing seam is verified to high-handed pipe. Decision adopts and join by welding near dig the method built up and carry on renovate.
西安车辆厂自从1997年开始批量生产G70一来，不时有罐体枕梁腹板立焊缝裂纹的报告。
Since the beginning of mass production of G70 in 1997 in Xi'an Rolling Stock Works, there has been report on weld crack on bolster web now and then.
通过对螺旋埋弧焊管内焊缝成型和焊接过程的分析，指出焊缝裂纹易产生在焊接熔池脆性温度区。
Through analysis on inside weld forming and welding procedure of SSAW pipe, it pointed out weld crack is easy to appear in brittle temperature zone in welding pool.
通过对球罐的整体应力分析，指出将焊缝布置在高应力区域是造成焊缝裂纹的重要外部因素之一。
On the basis of FEM stress analysis of a sphere tank, it can be concluded the arrangement of weld in high stress area which was one of the most important exterior factors that cause weld cracks.
试验结果表明，无中梁罐车存在枕梁腹板与牵引梁立焊缝裂纹及枕梁腹板与枕梁上盖板之间的裂纹。
The result shows some cracks appearing on vertical weld connecting web plate of body bolster and draft sill as well as the part between web plate of body bolster and top cover plate.
通过灰口铸铁同质电弧冷焊焊缝断口宏观与显微分析，对灰口铸铁焊缝裂纹的形成及扩展机理进行了探讨。
In this paper, the fracture of grey cast iron weld has been observed by SEM, and the mechanisms of the cracking initation and progression have been discussed.
本文论述几种起重机钢结构焊缝裂纹产生的原因，提出焊缝裂纹的修复方法和起重机钢结构设计、制造中防止焊缝开裂的改进措施。
This article discusses causes of weld cracking in crane's steel structure, recommends ways of remedy and makes proposals concerning design and fabrication to avoid cracks.
它们还必须能够区分是腐蚀、裂纹还是焊缝修复。
They also must distinguish between corrosion pits, cracks and welded machining repairs.
至少在四座桥梁的翼缘板和腹板拼接坡口焊缝中发现了裂纹。
Cracks have been found in the flange and web splices at groove welds in at least four Bridges.
焊缝区裂纹。在焊缝线或紧靠焊缝线出现的裂纹。
Weld Area crack. A crack in or immediately adjacent to the weld line.
由于在焊缝部位存在焊接缺陷，采用传统的建立在构件无缺陷、无裂纹基础上的强度理论进行设计计算时，往往不能确保起重机在额定载荷下使用的安全性。
Since there are weld defects in welds, using traditional strength theory based on no defect and no crack to design, crane's security in rating load can't be insured.
研究了纯镍铸铁焊条冷焊时，稀土金属镧、铈、镨、钇及钕对焊缝热裂纹敏感性的影响规律，并分析了铈对焊接接头力学性能和加工性能的影响。
The influence of Lanthanum, Cerium, Yttrium, Praseodymium and Neodymium on weld hot cracking susceptibility of the pure nickel electrode used for cold welding of cast iron was studied.
采用宽板小成型角生产小口径螺旋缝埋弧焊钢管时，内焊缝产生裂纹是经常遇到的问题。
Inside weld produced cracks are often faced problem by adopting wide coil with small forming Angle to produce small size spiral submerged welded pipe.
WGJ510C2钢在自动埋弧焊焊评试验中所产生的裂纹均在焊缝金属中，与母材没有明显的相关性。
The cracks produced in the automatic SAW welding test are existed in the weld, and has nothing obviously with WGJ510C2 steel.
得到了镍基喷焊层元素熔入量对奥氏体焊缝显微组织及裂纹敏感性的影响规律。
The influencing rules of the content of alloy elements in nickel-base spraying layer on the microstructure of austenite weld and the crack sensitivity were found.
本文通过对交叉杆扣板直焊缝、端头环焊缝等各部位裂纹的分析，找出了其断裂机理及与疲劳寿命的相关因素。
This article is to confirm the corresponding factors for crack causing and the fatigue life, through an analysis of cracks at fastening plate, welding seams at the end of frame brace.
裂纹扩展的微观特征研究：在热影响区与焊缝区的裂纹扩展均为沿晶与穿晶混合型。
Micro characteristic of cracks propagation research: the path of crack propagation in the heat-affected zone and weld metal is the mix of transgranular and intergranular.
焊缝表面不得有裂纹，气孔，夹渣等严重缺陷。
Any severe deficiency of welding seams surface like cracks, pores, slags is forbidden.
裂纹扩展在焊缝区和半熔化区之间交替进行，并非严格按W／F界面破断。
Crack propagation conducts alternatively between the weld zone and the partially molten zone, and is not strictly to rupture at W/F boundary surface.
二滩水电站已全部投运的6台机转轮经停机检查，现场焊接的主焊缝无裂纹。
The runners of 6 operated generating unit of Ertan Hydro Station have been checked and no crack on the primary weld of the field welding position is observed.
上海石化总厂热电厂除氧器水箱，经着色探伤、x射线探伤、金相检验等方法检测后，发现焊缝有大量裂纹。
Through dye check, X-ray test, and metallographic examination, quite a lot of cracks were found in the welds of a deaerator storage tank at the cogeneration plant of Shanghai Petrochemical Works.
焊接板的中心裂纹处于焊缝与热影响区之间的熔合区。
Central crack for the welded plate was located in the fusion zone between welding seam and heat-affected zone.
指出汽轮机叶片围带焊后检测焊缝时避免焊接裂纹误判的正确探伤方法。
The correct inspection methods are proposed to avoid misjudgement of welding cracks when the welding seam is detected after the turbine blade shroud bands is welded.
少量铁素体的焊缝凝固裂纹断口上有许多小塑性区，有明显的韧窝。
Some plastic regions could be found and some dimples had been observed on the fracture surfaces of the solidification cracking of austenitic-ferritic weld metals.
X65管线钢在焊接过程中，内侧焊缝金属出现横向和纵向沿熔合线方向的裂纹，横向裂纹贯穿焊缝金属横截面。
The longitudinal cracks along bond line and the transverse cracks which cut across the weld metal cross section inside weld metal were formed, while X65 pipe line steel was welding.
X65管线钢在焊接过程中，内侧焊缝金属出现横向和纵向沿熔合线方向的裂纹，横向裂纹贯穿焊缝金属横截面。
The longitudinal cracks along bond line and the transverse cracks which cut across the weld metal cross section inside weld metal were formed, while X65 pipe line steel was welding.
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