The invention relates to an electric thermal welding device especially an energy-saving electric iron.
本发明涉及电热焊接装置，特别是一种高效节能电烙铁。
Thermal-elastic-plastic and inherent strains FE methods are two means, which have been applied to the prediction of welding deformation.
热弹塑性有限元法和固有应变法是焊接变形预测的两种主要数值方法。
The effects of tempering weld-pass treatment on toughness of HAZ of X80 pipeline steel were studied by the technique of welding thermal simulation and the method of microscope analysis.
采用焊接热模拟技术和显微分析方法，研究了回火焊道热处理对X80级管线钢焊接热影响区韧性的影响规律。
Thermal cycling is an important factor to determine structure and property of HAZ after welding.
热影响区的热循环是决定焊后热影响区组织和性能的重要因素。
Thermal focusing is an important factor to influence the quality of laser welding.
热透镜效应是影响激光焊接质量的重要因素之一。
Thermal glass for welding mask use.
焊接的热的玻璃戴面具使用。
Thermal simulating technology was adopted to study grain size and the precipitates distribution of CGHAZ for X80 pipeline steel with different welding condition.
采用热模拟技术研究了X80管线钢在不同焊接热循环条件下晶粒及第二相粒子的变化。
PP-H welding method is commonly used in thermal contact welding and the use of hot gas welding electrode .
H 的焊接常用的方法是热接触焊接和使用焊条进行热气焊。
The transformation superplasticity in welding CGHAZ (Coarse Grain Heat Affected Zone) of EH36MOD steel and its effect on fatigue life have been studied with thermal simulating method.
采用热模拟方法，对EH36MOD钢焊接热影响区粗晶区(CGHAZ)的相变超塑性及其对疲劳寿命的影响进行了研究。
The toughness of weld metal is the highest while the coarse grained region in the HAZ is the lowest because of welding thermal cycle and formation of brittle microstructure.
试验钢由针状铁素体和少量块状铁素体组成，焊缝为典型的针状铁素体组织，焊接热影响区粗晶区以粒状贝氏体为主。
Based on the situation of welding thermal conduction and thermo-elastoplasticity research, this paper explores some problems in this field.
本文根据焊接热传导及热弹塑性的研究现状，对如下两个问题进行了探讨。
In this paper the HAZ weld thermal cycles of the welding by both sides submerged arc welded steel pipe were reproduced by the dislocation overlap weld method.
采用焊道错位叠加方法，再现了螺旋管双面埋弧焊制管过程中内、外焊焊接热影响区(HAZ)的焊接热循环。
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.
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。
Thermit welding and elastic fastening device can reduce the number of joints, overcome the thermal expansion and cold shrinkage of rails, and make the operation of traveling crane smooth and steady.
采用钢轨弹力紧固装置和钢轨铝热焊技术，减少钢轨接头，克服钢轨热胀冷缩带来的弊端，使得行车在钢轨上运行平稳可靠。
The welding thermal cycle and section dimensions of the welding seam were measured in the condition of the simulated welding process parameters for checking simulation results.
采用模拟时的焊接工艺参数进行钨极氩弧焊平板对接焊，测定焊接热循环曲线和焊缝截面尺寸，对模拟结果加以验证。
The technological parameter of post-welded heat-treatment is determined by welding thermal simulation test.
用焊接热模拟方法确定了焊后热处理工艺参数。
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。
To study quadratic heat circulation to the effect of welding wide crystal area performance of X80 pipeline steel by adopting thermal simulation technology.
采用热模拟技术研究了二次热循环对X80级管线钢焊接粗晶区性能的影响。
By use of the method of welding thermal simulation, the morphology in HAZ was simulated and the post-weld heat treatment under different tempering parameter to the test specimen was carried out.
采用焊接热模拟的方法，模拟HAZ粗晶区组织，并在不同回火参数下对试样进行焊后热处理。
Thermal behavior during laser welding was simulated with CAE(Computer Aided Engineering), and it was demonstrated that simulation technique was essential to earn high quality of welding.
运用CAE（计算机辅助工程分析），对激光焊接法的热变化过程进行了仿真，结果证明仿真技术是取得高质量焊接的根本…
On the basis of a great amount of data through measurement, the formulas for calculating the hardness of welding HAZ and thermal simulated HAZ were respectively established.
根据大量的测试数据分别建立了焊接HAZ和热模拟haz的硬度计算公式。
The influence of welding thermal cycle on structure and properties in grain-coarsening region of X80 pipeline steel was investigated by weld thermal simulation technique and the charpy test.
采用焊接热模拟试验和冲击试验，研究了X80管线钢焊接热循环对粗晶区组织性能的影响。
Weld thermal cycle simulation was used to reproduce the structure in the HAZ of single run and multi-layer welding.
采用焊接热模拟再现了单道焊和多层焊haz的组织。
Laser and electron beam welding produce thermal shocks on the materials with rapid transient and concentrated high energy beam.
激光、电子束等高能束焊接加热具有升温速度快、热集中性与瞬时性强等特点，对被焊材料造成热冲击。
The influences of welding process parameter and twice thermal cycle on the microstructure and properties of X80 pipeline steel are also investigated in this paper.
本文还研究了焊接工艺参数和二次热循环峰值温度对实验钢x 80组织性能的影响规律。
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。
Decreasing welding thermal input will decrease the oxygen content and the number and size of oxide inclusions, and it improves the toughness of weld metal.
降低焊接线能量时，将降低熔敷金属中的氧含量及其氧化夹杂物的数量和大小，从而提高熔敷金属的韧性。
Microstructure and mechanical properties changing rules of 2219 Al-alloy HAZ (heat-affected zone) with twin wire welding were studied using welding thermal simulation method.
采用焊接热模拟试验方法研究了2219铝合金双丝焊热影响区的微观结构和力学性能的变化规律。
The results show that the aggregation of contaminant is the inner cause of Copper pipe crack, while the thermal stress formed during welding and winding deformation is another two important factors.
结果表明：夹杂物局部偏聚是铜管断裂的内在原因。焊接时产生的热应力及弯曲变形是铜管断裂的外部诱发因素。
The results show that the aggregation of contaminant is the inner cause of Copper pipe crack, while the thermal stress formed during welding and winding deformation is another two important factors.
结果表明：夹杂物局部偏聚是铜管断裂的内在原因。焊接时产生的热应力及弯曲变形是铜管断裂的外部诱发因素。
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