Its body and welding heat effecting area are very sensitive to HIC.
且管体和焊接热影响区对HIC十分敏感。
Hollow cathod vacuum arc is a new kind of welding heat source which promises good prospect.
空心阴极真空电弧是一种很有发展前途的新型焊接热源。
The results show welding heat input has a remarkable effect on the mechanical properties of the joint.
试验结果表明，焊接热量对接头的力学性能有着显著的影响。
The method of element birth and death was applied to simulate the model of loading welding heat source.
文中简要介绍了焊接过程数值模拟热源的各种加载模式：高斯分布函数、双椭球分布函数、生死单元方法。
The post welding heat temperature is determined and we proved the reasonable by a series of experiments.
确定焊后热处理温度，并且通过各项实验证明焊后热处理温度的合理性。
The invention provides a method with a concave lens focus as a welding heat source and a welding device thereof.
本发明提供一种以凸透镜焦点为焊接热源的方法及其焊接装置。
In addition, the metal body within welding heat effect zone will produce a lot of micro-cracks because of infiltra…
此外，喷瓷管道焊接热影响区的金属基体将由于喷瓷过程中渗入的固溶氮而产生大量微裂纹。
The results show that the original crack is brought by high welding heat, which can cause the broken of ball valve.
结果表明，焊接时输入热量过高产生的原始裂纹是球阀断裂的主要原因。
Some negative effects may be caused during post welding heat treatment of certain component and steel for stress-relief.
特别指出对某些钢材或构件进行热处理，在消除应力的同时，也可能带来一些负面的作用。
Strength and bending resistance test, welding heat test and highly accelerated life test (HALT) were retested up to grade.
经瓷体强度实验、抗弯曲实验、耐焊接热实验、加速寿命实验，其各项指标均合格。
The hardness test show that the weld hardness with high welding heat input is higher than that with low welding heat input.
硬度测试结果表明，大线能量焊接热处理后焊接接头的硬度高于小线能量焊接的焊接接头硬度。
With large welding heat input, more upper Bainite and granular Bainite form, which is benefit to improve the property of HAZ.
采用大的线能量焊接，形成较多的上贝氏体和粒状贝氏体组织，对改善接头性能有利。
The microstructure of the deposited metal and the effect of the welding heat input on the formation of the deposited metal are studied.
分析了堆焊熔敷金属的显微组织，研究了焊接线能量对堆焊层金属显微组织形成的影响。
In frequent bending stress condition, fatigue cracking occurred due to the cracking source had been initiated in welding heat affected zone.
在承受频繁的弯曲应力作用后，在其焊接热影响区萌生了裂纹源进而发生疲劳开裂。
Studying the relational problems of numerical simulation of welding process, such as the choice of welding heat models, meshing girding etc.
实现焊接过程数值模拟计算的相关问题，如焊接热源的选择、网格划分等问题。
The results show that toughness of the coarse grained HAZ is improved after second welding heat cycle except intercritical two-phase heating.
力学性能测试结果表明，除在临界二相区加热外，二次热循环均使粗晶区得到初化。
The temperature field in welding HAZ was studied and analyzed. Welding heat curve was set up by argon-shielded tungsten arc welding experiment.
通过钨极氩弧焊试验，对焊接热影响区温度场进行分析和研究，建立了焊接热循环曲线。
Appropriate welding material, election of soldering acid, design of welding heat process and cleaning up influenced the welding quality significantly.
合理的焊接材料、钎剂的选择匹配，焊接加热程序的设计，焊接部位的彻底清理将对端环的焊接质量具有极大的影响。
This dissertation is one of the sub-problems of "Computer Dynamic Test and Calculation of Welding Heat-cycle", which is a project on natural science fund.
本文是自然科学基金项目“焊接热循环的计算机动态测试与计算”的一个子课题。
Temperature field distribution of weldment, which reflects complex welding heat process, is a basic on studying welding deformation, residual stress and so on.
焊件中的温度场分布反映了复杂的焊接热过程，是研究焊接变形、焊后残余应力等状况的基础。
The software for welding heat cycle was developed successfully, based on some classical mathematic models and measured data and programmed appropriately by LabVIEW7.
为了验证薄板焊接温度场数值模拟的正确性，应用虚拟仪器技术设计了一套焊接热循环动态检测系统。
Applied GTAW and SMAW to weld Ammonia Saturator with emphasis on preweld treatment and controlling welding heat input, high welding quality and efficiency were reached.
在氨饱和器焊接中采用钨极氩弧焊与焊条电弧焊相结合的焊接方法，重视焊前清理和焊接线能量控制，既保证焊接质量又提高生产效率。
In addition, the effect of welding heat input was studied. Qualitative and quantitative metallographic examination of the simulated microstructures was made to assist t...
此外，还研究了焊接热输入量对局部脆性区断裂韧性的影响，并通过定性、定量的金相显微组织评定对试验结果进行了分析。
In addition, the metal body within welding heat effect zone will produce a lot of micro-cracks because of infiltration of solid solution nitrogen in course of porcelain spraying.
此外，喷瓷管道焊接热影响区的金属基体将由于喷瓷过程中渗入的固溶氮而产生大量微裂纹。
The variation of microstructure and mechanical properties of the welding heat-affected zone of 2090 Al-Li alloy were investigated by means of the welding thermal, simulated and strain cycles test.
采用焊接热模拟试验方法研究了在焊接热循环和应力-应变循环同时作用下，2090铝锂合金焊接热影响区显微组织和力学性能的变化特征。
As Steelworkers, we are interested in the heat treatment of metals, because we have to know what effects the heat produced by welding or cutting has on metal.
钢铁工人最感兴趣的东西莫过于金属的热处理，因为我们得了解焊接与切割时产生的热对金属的影响。
Other uses for this high power diode laser bar are as a direct source for various materials processing applications including cladding, welding, heat treating and brazing.
该高能半导体激光器的其他用途包括，用作各种材料处理应用的激光光源，这些处理应用包括覆层、焊接、热处理和铜焊接。
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.
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。
This paper introduces the rehabilitation procedure of PE lined pipeline and stresses on quality control requirement of PE pipe heat melting welding.
文章介绍了内衬PE管修复技术的施工程序，强调了PE管道热熔焊接质量控制要求。
This paper introduces the rehabilitation procedure of PE lined pipeline and stresses on quality control requirement of PE pipe heat melting welding.
文章介绍了内衬PE管修复技术的施工程序，强调了PE管道热熔焊接质量控制要求。
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