thermal welding

A mathematic model of transient thermal process in welding is established to simulate the moving of the heat source.

建立了焊接瞬态温度分布数学模型，解决了焊接热源移动的数学模拟问题；

Because of high thermal conductivity, welding of copper and its alloys is usually difficult by conventional fusion welding processes. The heat input required is much higher than that in almost other materials, and the welding speed is quite low.

由于铜及其合金具有很高的导热系数，使用传统的熔焊方法焊接通常是很困难的，焊接过程中需要很高的能量输入，而且焊接速度较低。

Based on this reason, a direct coupled-analysis model was built to simulate the thermal distributions of welding process of the tube.

对此，文中建立了考虑接触热传导的小截面薄壁方管并行焊接的直接耦合分析模型。

The laser-TIG hybrid heating source heats the steel by a similar thermal conductivity welding way, and this will keep the melting metals of Mg, Ni, Fe a metastable state.

激光-TIG电弧复合热源在钢板上以类似于热导焊的焊接模式熔化母材，使得熔池中熔化的金属Mg、Ni以及Fe处于一种亚稳态。

Study of Wear Resistance of Coatings with Thermal Spraying and Spray Welding

热喷涂喷焊层的抗磨性研究

It is a problem for welding when there are requirements on the temperature field of high thermal conductivity alloy welding. In this paper, In this paper, copper alloy as an example of a high thermal conductivity, such as plasma arc welding of the pilot study.

对温度场宽度有要求的铜合金的焊接一直是焊接的难点之一，本文以铜合金为例进行高导热合金的等离子弧焊接性能的试验研究。

Elementary Introduction to the Application of Thermal Spray Welding Technique in Boiler Membrane Water Cooled Wall

浅议热喷焊在锅炉膜式水冷壁中的应用

Ultrasonic plastic welding ( UPW) is a cost-effective, efficient and clean fusion bonding technique of TPC ( Thermal Plastic Composites), and of great value in application.

超声波塑料焊接是一种经济、高效、环保的热塑性塑料连接新工艺，有极大的推广应用前景。

Study on thermal circle under in-service welding condition

X70管线钢在役条件下的焊接热循环

At the same time, analyse the stress in barrel wall ( including curve stress, thermal stress and welding heat stress and restrict stress) and educe the formula.

同时，对回转窑筒壁应力，包括弯曲应力、温度应力、焊接温度应力和拘束应力进行了分析研究和公式推导。

The Measurement of Weld Thermal Cycle in Welding by Both Sides SAW Spiral Pipe

螺旋管双面埋弧焊焊接热循环的测定

The laser-arc hybrid welding can improve the depth of fusion, welding speed and assembly gap, so it is a new and promising thermal source for welding.

激光-电弧复合热源焊接可以增大焊接熔深，提高焊接速度，增大装配间隙，是一种很有前途的新型焊接热源。

Coatings of thermal sprayed welding, WC and Cr-WC particles distributed in the Ni-based alloy by the embedded ways. Binding state of Coating and matrix was metallurgy.

在热喷焊涂层中，WC和Cr-WC粒子呈嵌入式分布在Ni基合金中，涂层与基体的结合状态为冶金结合，表面形貌来看，涂层表面比较粗糙，大颗粒的WC粒子很清晰。

Computation of thermal conductivity during welding by inversion method

焊接过程热传导系数反演法

Plasma arc thermal spray welding is a kind of surface harden engineering by taking plasma arc as themal resource and certain alloy power as additive.

等离子弧热喷焊技术是一种以等离子弧为热源，以一定成分的合金粉末作为填充金属的表面强化技术。

The narrow gap GMAW is a kind of efficient and low thermal input new type welding method, it has a extensive application prospect in the field of middle and thick plate welding.

窄间隙GMAW是一种高效且低热输入的新型焊接方法，在中厚板焊接领域具有广泛的应用前景。

Analysis on Microstructure and Properties of New-developed 610D After High Heat Input Welding by Thermal Simulation

新研制610D大热输入焊接热模拟组织性能分析

Microplasma arc welding of stainless steel cup of thermal insulation

不锈钢保温杯的微束等离子弧焊接

The thermal spraying and spray welding are used to strengthen the wearing surface of parts extensively.

热喷熔和热喷涂技术被广泛应用于机件的耐磨强化.

Surface Reinforcement of the Mould for Pressing the Eyeglass by Thermal Spray Welding

镜片压制模具的热喷焊表面强化

When laser power is lower, laser welding is belong to thermal conduction welding model; with the increasing of laser power, the surface happen to appear evaporation, then it transforms from thermal conduction welding model into deep penetration welding model.

当功率较低时，激光焊接属于热传导焊接模式；随着激光功率的提高，当工件表面刚好出现汽化时，则处于热传导焊接向深熔焊接过渡的临界状态。

The Programed Control System of the Thermal Simulator HRM for Welding Research

HRM焊接热模拟试验机的程序控制系统

Application of finite element method to the analysis of axisymmetric thermal elasto-plastic stresses in welding

轴对称热弹塑性应力有限元分析在焊接中的应用

Therefore, the simulation system which simulates the welding thermal process, welding residual stress and strain of typical aircraft components has been designed.

为此，本文设计了典型飞机构件焊接热过程/应力/应变模拟系统，协助焊接工程师完成实体建模、网格划分、焊接工艺过程设计及焊接过程模拟仿真。

Because the thermal elasto-plastic problem in welding is very complicated, it is too difficult to be dissolved by theoretic method.

由于焊接过程中的热弹塑性问题很复杂，所以理论分析十分困难。

Fold curtain welding machine uses the most advanced thermal welding technology of the world that the temperature can be set free and the speed of welding is fast.

窗帘折边焊接机是采用国际上最先进的热焊接技术，具有温度可自由设定，焊接速度快；

Progress in Thermal Gas Welding Equipment

塑料热气焊接设备的进展

Effect of the Thermal Cycle of Welding Shrinkage Hole on Microstructure and Properties of Heat-Affected Zone Austempered Ductile Iron

焊补缩孔热循环对奥-贝球铁HAZ组织与性能的影响

Measurement of thermal displacement of welding points for differental metals by laser speckle photography

激光散斑照相法测量不同金属材料焊接部位的热位移

The research reveals that the hi-frequency welding process not only causes the difference between the structure of the metal under the thermal effect by welding and the structure of the base metal, but also makes changes of orientation and continuity of the metal flow line in the steel;

研究结果表明：高频焊接过程除造成焊接热影响区与基体的组织差异外，还改变了钢中金属流线的方向和连续性；