焊接变形不但影响美观，还可能会引发各种焊接裂纹。
The welding deformation not only have bad effect on the good appearance, but also can result in all kinds of weld cracks.
对游梁式抽油机悬绳器焊接裂纹产生原因进行了分析。
Through the exploration of the mechanism of welding cracks on beam hangers, the reason behind the crack is analyzed.
分析斗齿材质与焊接裂纹的关系，找出产生裂纹的原因。
Analyzing bucket teeth material and welding crack, the reason was found out.
试验表明，焊接裂纹与填充材料的化学成分有一定的关系。
The results indicate that the crack is related to the chemical composition of the filler metal.
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.
从分析焊接裂纹的特点出发，提出了基于知识库的焊接裂纹诊断专家系统。
An expert system of welding crack diagnosis based on knowledge base is posed according to the analysis of characteristic of weld crack.
焊接裂纹是常见的焊接缺陷之一，焊接裂纹的存在常常导致严重的航运事故。
Welding crack is one of the important welding defects, which often leads to serious shipping accidents.
分析了真空白耗电弧炉铜-不锈钢异种金属套管式电极杆焊接裂纹产生的机理。
The mechanism of welding crack generation in the copper - stainless steel tube electrode stem of Vacuum Consumable Arc Furnace has been analyzed.
应用证明基于知识库的焊接裂纹诊断专家系统可以得到与专家同样的诊断结果。
It is proved by application that the expert system of weld crack diagnosis based on knowledge base can achieve the same diagnostic result as the expert.
结果表明，过渡区马氏体组织的生成，异种钢接头的热应力是产生焊接裂纹的主要原因。
The results show that martensite at transition area and the thermal stress in the joint of different material will cause crack in clad steel plate during welding.
金属磁记忆检测技术是能够对焊接裂纹进行早期诊断的最具有潜力的无损检测方法之一。
Metal magnetic memory(MMM) is one of the most potential non-destructive testing methods which can diagnose welding crack in early stage.
对红外热成像检测、激光全息检测和微波检测新技术在焊接裂纹检测中的应用进行了展望。
Some new technologies such as infrared thermal imaging, laser holography and microwave testing were prospected in the testing of weld crack.
现场检测表明，利用一阶微分处理后的磁记忆信号定位特征，可准确地对焊接裂纹进行检测。
Spot inspection indicates that the welding cracks can be evaluated exactly by the location feature of derivative MMM signal.
研制了一种低焊接裂纹敏感性高能量输入焊接用低合金高强钢，并研究了其冷应变时效行为。
A new large heat input welding high strength low alloy steel with low susceptivity to weld cold cracking was developed and the cold strain aging behavior was investigated.
生产中采用该工艺措施后，有效地防止了焊接裂纹的产生，值得在类似结构焊接中加以推广应用。
Using the technology in production, can effectively prevent the generation of welding cracks, it can be extended to the applications in similar welding structure.
介绍了磁粉检测、渗透检测、涡流检测、射线检测和超声波检测技术在焊接裂纹检测中的应用状况。
The application status of magnetic particle testing, penetrant testing, eddy current testing, radiographic testing and ultrasonic testing in weld crack inspector were introduced.
在焊接过程中产生的动态应力应变及随后形成的残余应力，是导致焊接裂纹和接头性能下降的重要因素。
The dynamic stress-strain and welding residual stress during welding are the significant factors which lead to welded cracking and debasement of the joint properties.
钢的焊接CCT图，是正确选择焊接材料、确定最佳焊接工艺、消除焊接裂纹、制订焊后热处理规范的重要依据。
Welding CCT diagrams of steels are the basic to select welding material, determine the optimum welding technology, relieve welding cracks and lay down standard of past heat treatment.
阐述了超高层建筑大直径厚壁钢管的加工新工艺、新技术要求；提出防止焊接裂纹及振动时效消除焊接应力的措施。
The new process technology and technical requirement of large diameter thick wall steel tube for super tall building are discussed.
阐述了超高层建筑大直径厚壁钢管的加工新工艺、新技术要求；提出防止焊接裂纹及振动时效消除焊接应力的措施。
This article studies the ring die's high temperature wear-resistance in the process of manufacturing the heavy caliber thick-wall seamless steel pipe.
焊接裂纹产生的应力集中区是焊接构件在服役过程中最为危险的一个薄弱环节，对这个环节进行有效的安全评估，具有重要意义。
Stress concentration zones caused by welding cracks are the most dangerous weak-links in service processes of welding works, so an effective safety evaluation of the links is of great importance.
文章分析了高强度X80钢管道的热影响区的软化、焊缝金属与母材的匹配及产生焊接裂纹的可能性，介绍了管道环缝焊接工艺，还列举了国外X80钢管道的焊接工程实例。
This paper analyzes the welding performances of the pipeline steel X80 including softening of heat affected zone, its matching with base material and the possibility of welding cracking. It also de…
中空轴轴颈裂纹是水泥磨的严重故障。中空轴轴颈裂纹产生的原因主要有：铸造缺陷，应力集中，焊接和热处理质量问题等。
Crack in neck of hollow shaft is a very serious malfunction, main cause of the crack include: foundry defect, centralized stress, quality problems of welding and heat treatment.
在役焊接过程中，管内流动介质的快速冷却，易使接头出现氢致裂纹。
Because of the fast cooling of flowing medium, the hydrogen cracking occurs easily under in-service welding.
吊车轨道的材料由于其含碳量较高，强度大，可焊性较差，焊接时容易产生裂纹， 因此要严格按照工艺执行。
Material for rail of crane is of strong strength because of high carbon content, but of poor weldability, which makes more cracks. Strict technique is required in such welding.
锅炉及压力容器除了焊接引起的裂纹外，还存在着由腐蚀性环境而引起的腐蚀开裂。
In addition to cracks resulting from welding in boiler and pressure vessels, there are also corrosion cracks due to corrosive environment.
文中介绍了从日本引进的MR- 100 W型焊接拘束裂纹试验机的原理及使用性能和应用实例。
In this paper, the principle and application of the Japanese MR-100W type welding restraint cracking test machine was introduced.
介绍了铜瓦裂纹的焊接返修工艺及其措施。
The welding repair technology and method of copper tile cracks were presented.
介绍了铜瓦裂纹的焊接返修工艺及其措施。
The welding repair technology and method of copper tile cracks were presented.
应用推荐