• 贮箱水压试验焊缝开裂导致泄漏

    A container leakage is caused by circle welding seam fractures in the course of hydraulic pressure test.

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  • 针对焊缝开裂情况原因,制定实施了高温、低压下的补焊方案

    Supplementary high-temperature and high-pressure welding programs are prepared and implemented.

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  • 针对焊缝开裂情况原因,采用了高温低压装置停工在线补焊方案。

    Aimed at the cracking and its reasons, on - line patching was carried out without shutting down high temperature low pressure plant.

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  • 文章分析直管对接焊缝开裂掌形开裂原因提出相应防护措施

    In this article an analysis is made on cracking reasons of the straight tube and a palm welding and the relative prevention measure is put forward.

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  • 环境介质中制再沸器管板接头焊缝长期交变应力的作用,导致管板焊缝开裂

    At the environment medium, the tubeplate joint welds of titanium reboiler were constantly effected by the alternation stress, welds cracking was occurred in the end.

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  • 简要分析台蒸发发生焊缝开裂主要原因提出防止此类压力容器事故预防措施

    The paper briefly analyses the main cause of crack of welding seam on an evaporation tank and proposes the precautionary measures for preventing such kind of accident on pressure vessels.

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  • 分析了不锈钢压力表接头焊缝开裂原因,认为此种开裂具有应力腐蚀开裂、沿晶断裂特征。

    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.

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  • 焊缝开裂制造服务期间时,他们发生生产时间材料损失之外,介入可观的重做

    Weld failures when they do occur, either during fabrication or service, involve considerable rework, apart from production, time and material losses.

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  • 针对东北管网多次发生螺旋焊缝开裂事故事实研究了造成螺旋焊缝开裂事故的缺陷类型特征

    Defect categories and features of spiral seam cracking are studied based on spiral seam cracking facts in Northeastern Oil Pipeline Networks.

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  • 不同焊接方法,对坯料前作不同工艺处理,焊接成形出现焊缝开裂坯料开裂焊缝作显微分析

    To do mycology analysis to the blank parent and its cracking weld for different procedure treatment to the blank before welding and occur weld crack during welding forming by different welding method.

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  • 本文论述几种起重机结构焊缝裂纹产生原因,提出焊缝裂纹的修复方法起重机钢结构设计制造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.

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  • 焦炭裙座焊缝环向开裂现役焦炭塔普遍存在一种严重缺陷

    The circumferential cracking of the skirt weld is a serious defect, which commonly exists in the coke tower in service.

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  • 选用水面舰艇945潜艇用921a钢,研究不同焊缝外形尺寸爆炸试验中三缺口试样中央缺口开裂行为影响

    Using 945 steel and 921a steel, this article studies the effect of weld profile and size on the cracking behavior of a central notch in a three-notch specimen for an explosion bulge test.

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  • 兰州石化公司催化剂分子筛车间干燥器,其桨叶发生腐蚀开裂,经分析为焊缝晶间腐蚀和磨蚀。

    The corrosion cracking occurs on the blades of pedal type dryer in the molecular sieve workshop of Catalyst Factory of Lanzhou Petrochemical Company.

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  • 焊缝枝晶间显微疏松导致应力集中裂纹效应以及近焊缝区母晶粒长大是导管早期疲劳开裂的主要原因。

    The results show that the crack initiates at the outer surface of the weld comer and propagates into the steel base material with a high cycle fatigue mode.

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  • X65母材开裂性能明显优于焊缝,且具有良好性能。

    The crack resistance of X65 steel is much better than that of the weld and X65 pipeline steel has good crack arrest property.

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  • 结果表明:由于焊接电流过大,使焊缝产生淬火马氏体组织较大焊接残余应力,导致镀锌敏感性增加,造成吸油盘发生氢脆开裂

    The large welding current caused the formation of quenched martensite and the high residual stresses in the welding zone, resulting in the increase of zinc sensitivity of hydrogen attack.

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  • 分析了过滤机漏斗焊缝开裂原因并且提出改造措施

    The cause of filter funnel bond open has been analyzed and puts forward improving measures.

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  • 焊缝发现晶粒内存在的大量多边形化的亚晶的现象推断出出现问题的工艺段,通过改进消除了弯管成型开裂的情况。

    We found the place where the processing set-up was wrong by analysing the phenomenon and solved the cracking problem through the improvement.

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  • 交换箱体在焊缝连接处发生开裂造成漏油,引发了火灾爆炸

    The welded joint of a thermal exchanger of medium oil cracked which induced the leakage and consequent firing and explosion.

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  • 本文针对焊缝熔敷金属高强时,容易开裂问题展开研究,研制了中、合金钢工件表面修复高强高韧新型堆焊焊条

    The high strength and high toughness hardfacing covered electrode to the medium-high carbon alloy steel surface' repair was put forward in this paper.

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  • 采取独特制造工艺巧妙的散热结构保证焊缝开裂线圈进水

    It adopts special manufacturing process and smart heat dispersion structure to ensure the welding line never splits and the coil never suffers water-in.

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  • 通过分析TA2和Q 235b焊接性,论述钛与钢熔焊焊缝机理,指出复合板焊接性能主要原因在于焊缝中产生了脆性的金属间化合物从而导致焊缝在焊接应力作用发生开裂

    The results indicate that the brittle intermetallic compound in weld is the main reason why the weldability of the plate is bad, which leads to cracks under the effect of welding stress.

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  • 通过分析TA2和Q 235b焊接性,论述钛与钢熔焊焊缝机理,指出复合板焊接性能主要原因在于焊缝中产生了脆性的金属间化合物从而导致焊缝在焊接应力作用发生开裂

    The results indicate that the brittle intermetallic compound in weld is the main reason why the weldability of the plate is bad, which leads to cracks under the effect of welding stress.

    youdao

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