The use of welding simulation different temperature on the welding HAZ toughness variation has been studied.
采用焊接热模拟方法研究了不同温度退火时热影响区韧性的变化。
A new method for the diagnostics of the welding arc temperature fields is studied on the basis of Plasma physics, laser speckle photography.
根据散斑照相和电弧等离子体物理学原理，研究了诊断氩气焊弧温度场的新方法。
To reveal the influence of forced convection on gas shielded arc welding temperature field, the infrared camera was used to investigate the temperature field of the base metal in CO2 arc welding.
为了研究强制对流对气体保护焊温度场的影响，通过红外热像仪检测了CO2气体保护焊的温度场，发现在熔池及其邻近区域温度呈圆锥型分布。
In addition, a calculating method on welding preheating temperature and a selective principle and method on welding component matching are concluded.
同时总结了一套计算焊接预热温度确定方法和焊接接头匹配的选取原则与方法。
The effects of time, temperature and welding line on press fitting should be comprehensively considered to ensure certain transmitted torque to an assembling part.
应全面考虑时间、温度和注塑件上熔合缝对压力装配的影响，确保塑料连接件能传递一定的扭矩。
The microcomputer system based on the single chip microcomputer achieves temperature control on the ZLQ - 400WD vacuum welding furnace.
本文给出了采用单片机对ZLQ-400WD真空钎焊炉温度进行测控的系统。
Study on temperature field is a common method to study welding process because it is one of direct token of welding process.
焊接温度场以其为焊接过程最直接的外在表征而成为焊接过程研究的一种常用的研究手段。
Based on summing up others' experience, this paper research the direct method to calculate and simulate the temperature and stress field at the same time through a board surfacing welding sample.
在总结前人经验的基础上，通过平板堆焊实例利用直接法同时计算焊接温度场和应力场，模拟出了焊接过程。
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。
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。
Welding temperature field was analyzed by using non-linear curve fit method based on experiments.
建立了一种基于试验的非线性曲线拟合的新方法来分析焊接温度场。
Based on theories of computational fluid dynamics and heat transfer, an axial symmetry finite element model of velocity and temperature field of spot welding for aluminum alloy is established.
根据计算流体力学与传热学原理，建立了描述铝合金电阻点焊液态熔核流动行为和传热过程的轴对称有限元模型。
A new infrared temperature measure system based on the calorimetric method has been developed to survey the welding temperature field in real time.
研制了一种新颖的单镜头双波长红外图像比色测温系统来实时检测焊接温度场。
In this paper, the influence of low temperature synchro heating (LTSH) on the mechanical properties of aluminum alloy LY12CZ welding joints was investigated.
本本研究了低温同步加热(LTSH)对高强铝合金ly 12 CZ焊接接头机械性能的影响。
Verifying by experiments, this paper compares different model of welding heater, and discusses the influence of the temperature field on deformation result.
比较了不同热分布的热源模型的结果，与实验进行比较，讨论了热分布对计算结果的影响。
To control the temperature of a valve body in the process of welding, it introduces a device based on C8051F021 to rapidly measuring and controlling the temperature field.
为实现焊接阀体在焊接过程中的温度控制，设计了基于C8051F021单片机的温度场快速测控装置。
The effects of high temperature pre-precipitation on the stress corrosion properties of the heat affected zone were also studied after welding.
并研究了高温析出对焊接热影响区及后处理应力腐蚀性能的影响。
According to the test, the welding interlayer temperature of X60 pipeline in the normal and low temperature is analyzed in order to study the influence of its variable range on welding quality.
通过采取焊前预热、控制焊接线能量和层间温度、焊后保温缓冷等工艺措施，并采用相应的检测方法，保证了胺液吸收塔的低温焊接质量。
The method that on-line identifies parameters of the model through the information of temperature on the welding bead surface and thus increases adaptability of model was discussed in the paper.
本文讨论了用焊道表面的温度信息对多个模型参数进行在线修正，提高计算模型的适应性。
Based on the analysis of the weldability of T91 steel and combining the practical experience of power plant, the welding technology of T91 and high-temperature superheater header was put forward.
在分析t 91钢焊接性的基础上，结合电厂实践经验，提出了将T 91管材直接与联箱焊接的工艺措施。
The influences of wet. low temperature and wind on welding quality is studied in this article.
本文分别研究了潮湿和低温有风环境对焊接接头质量的影响。
Based on TPAW, finite element calculation of temperature field in keyhole plasma arc welding is conducted, and.
在此基础上，对小孔等离子弧焊接热场进行了有限元计算，分析了引弧后熔池及周围温度场的瞬时演变过程。
The numerical analysis of temperature field, stress field and strain field during laser welding based on the welding analysis function of SYSWELD were introduced in this paper.
基于SYSWELD的焊接分析功能，介绍了用数值方法研究激光动态焊接过程中温度场、应力场、应变场的变化情况。
Mechanical property and microstructure of T91 steel pipe joint with TIG welding on different high-temperature test process was researched.
采用不同的高温试验工艺对T91钢管的TIG焊接头进行处理，分析TIG焊接头在力学性能和显微组织上的差异。
The effect of welding line energy on microstructure and low temperature toughness of heat-affected zone(HAZ) of X70 pipeline steel was studied by welding thermal simulation method.
采用焊接热模拟技术、显微组织分析和冲击试验的方法，研究了焊接线能量对X70管线钢焊接热影响区组织和低温韧性的影响规律。
The investigation of effects of rare-earth yttrium and boron, which are in the 3.5% nickel-containing steel welding electrode on low temperature toughness has been carried out.
对含镍3．5％低温钢手工电焊条配方中稀土钇与硼的作用进行了试验研究。
In this paper, the effects of rare earth (re) and chromium on the high temperature oxidation resistance of iron base fluxing alloy spray welding coatings is reported.
本研究着眼于用稀土对价格低廉的铁基自熔合金粉末进行改性，以提高其抗高温氧化性能。
Build under the high temperature environment welding seam defect ultrasonic shear wave checkout method, and combines theory having carried on the engineering applying.
建立高温环境下焊缝缺陷超声横波检测方法并结合理论进行了工程应用。
It was found that the materials, the welding temperature and the welding pressures have a great influence on the...
发现焊接温度、材质以及焊接压力等对焊接质量有很大影响。
It was found that the materials, the welding temperature and the welding pressures have a great influence on the...
发现焊接温度、材质以及焊接压力等对焊接质量有很大影响。
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