这不仅提高生产率，而且能减少被割零件的变形量和割缝区的热影响区域。
This not only increase productivity, and cut parts can reduce the deformation and cut the heat affected zone seam.
结果表明，X80级管线钢在焊接过程中形成的热影响区由不同温度下形成的梯度组织组成。
The results indicate that HAZ produced during welding of grade X80 steel is made up of grads structure under different temperature.
定量及SEM分析表明，焊缝中表面只残留少量锌，在焊缝两侧的热影响区，锌层厚度呈梯度分布。
Through quantitative and SEM analysis, the minim zinc was found remaining on the surface of weld and the zinc thickness on the heat-affected zones appeared gradient.
疲劳试样多数断于接头的热影响区，造成这一结果的主要原因是热影响区的组织不均匀性和氢含量相对较高。
The fracture occurres at heat affected zone (HAZ) of most fatigue specimens. This is due to the structure inhomogeneity and the higher hydrogen content of materials at HAZ.
进一步比较了断裂拉杆和已经产生裂纹的拉杆焊缝区的显微组织，发现在焊缝的热影响区粗晶区存在沿晶裂纹。
The fracture rod has cracks in the microstructure of weld zone, intergranular cracks exists in the coarse grain zone of the weld heat affected zone.
结果表明，在连接杆焊缝附近的热影响区中存在大量针状马氏体组织，在低应力的作用下，导致材料发生脆性断裂。
The result shows that the fracture mode is low stress brittle fracture. The fracture is mainly caused by needle type martensite in the heat affected zone of the weld joint.
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…
而飓风区的高层大气气流又受遥远海洋特别是北大西洋和热太平洋的影响。
And upper-atmosphere winds in the hurricane region are affected by conditions in distant oceans, especially in the north Atlantic and the tropical Pacific.
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。
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.
在合适的激光焊接条件下，热影响区韧性高于母材；
The toughness of HAZ is higher than base metal under appropriate laser welding conditions.
用焊接方法连接的接头称为焊接接头，它由焊缝、熔合区、热影响区及其邻近的母材组成。
The joint which is connected by welding method is called the welding joint, which is composed of welding seam, fusion zone, heat affected zone and its adjacent base metal.
激光扫描速度对相变硬化区和热影响区的大小有极大的影响。
Furthermore, the scanning speed has an important influence on the size of phase change region and thermally affected region.
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。
In frequent bending stress condition, fatigue cracking occurred due to the cracking source had been initiated in welding heat affected zone.
截面分析结果显示，表面几十微米范围内，第二相减少，且随电子束轰击次数的增加，热影响区范围增大。
Result of cross section analysis showed that the second phase reduced within a range of several tens microns, and the depth of heat affected zone (HAZ) increased with the increment of pulses.
热影响区的组织发生了粗化。
采用聚焦光束热源在45钢母材上获得了镍基合金粉末堆焊层，研究了堆焊层的物相组成及母材热影响区的微观组织特征。
The Ni based alloy powder surfacing layer was obtained by light beam surfacing on the 45 steel and the microstructure of heat affected zone(HAZ) and the phase of the surfacing layer were studied.
并藉著板厚的改变探讨其对热影响区之金相组织与硬度造成之影响。
Next, consider the effect of the thickness of plates on the microstructure and hardness in HAZ.
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 cycling is an important factor to determine structure and property of HAZ after welding.
提出了“焊道热影响区”的概念。
The concept of "weld bead heat affected zone"(WBHAZ) was proposed.
在一定的断裂韧度前提下，随着局部脆性区尺寸的增加，焊接热影响区的脆断概率增加。
At a certain fracture toughness value, fracture probability of weldments increases with increase of the local brittle zone size.
通过方差分析送风参数对桌面工位空调送风系统工作区热舒适性的影响，发现送风量是影响工作区热舒适的最显著的因素。
From analysis of variance to check the influence that supply parameters of the desk TAC system impress to the task area, the supply air volume is the most significant factor.
经实验发现细晶粒碳钢焊接接头拉伸试验断口在远离热影响区的母材上。
It is found that the weld of fine grain steel break apart from heat effect zone in the tensile test.
分析了传统的焊接热影响区（HAZ）晶粒长大模型，在此基础上，介绍了适用于高强度管线钢的奥氏体晶粒长大的耦合模型。
In this paper, the traditional HAZ grain growth model is analyzed. Based on the model, analytical model of austenite grain growth fit to high strength pipe-steel is introduced.
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。
The use of welding simulation different temperature on the welding HAZ toughness variation has been studied.
采用光学显微镜和透射电镜研究了锆处理对微合金钢粗晶热影响区组织的影响。
Microstructure of simulated coarse grain heat affected zone (CGHAZ) of Zr Microalloyed HSLA Steel are investigated using optical microscopy and transmission electron microscopy.
水轮机叶片有较大的工作应力、热影响区的晶粒粗大以及水介质的腐蚀性是产生机械腐蚀疲劳汽蚀的重要原因。
The larger tension stress in the hydraulic turbine blades, grain coarsening in the heat-affected zone and the causticity of fluid medium are the major causes of cavitation erosion.
基于对实际点焊接头硬度分布的分析，建立了包括熔核、热影响区和母材的单点点焊搭接接头计算模型。
Based on the hardness analyses of actual spot welded joints, a computational model that consists of nugget, HAZ and base metal is established for the single point spot welded lap joints.
研究了X80级管线钢焊接热影响区不同区域的韧性分布。
Toughness distributions of different area on HAZ of grade X80 pipeline steel have been studied.
X80管线钢在焊接过程中，热影响区由于受到焊接过程热的作用，其组织和性能会发生较大的变化，尤其是粗晶热影响区的组织和性能变化最大。
Owing to heat action during X80 pipeline steel welding the organization and performance of heat affected zone will change considerably in particular of coarse grain heat affected zone (CGHAZ).
X80管线钢在焊接过程中，热影响区由于受到焊接过程热的作用，其组织和性能会发生较大的变化，尤其是粗晶热影响区的组织和性能变化最大。
Owing to heat action during X80 pipeline steel welding the organization and performance of heat affected zone will change considerably in particular of coarse grain heat affected zone (CGHAZ).
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