提出了“焊道热影响区”的概念。
The concept of "weld bead heat affected zone"(WBHAZ) was proposed.
研究了热影响区宽度和金相结构。
The heat-affected zone and the metallographic structure are studied.
热影响区的组织发生了粗化。
且管体和焊接热影响区对HIC十分敏感。
Its body and welding heat effecting area are very sensitive to HIC.
试验结果表明，磨料水射流切割无热影响区。
Theresult proved, abrasive water jet metal-cutting don't exit heat effect.
研究了含铜时效钢焊接热影响区的组织与性能。
The microstructure and mechanical properties of a copper bearing age hardening steel were studied.
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.
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.
机械热影响区存在部分动态再结晶和较明显的塑性变形晶粒。
There exist a partly thermodynamic recrystallization, and superplastic grains appear in the thermo-mechanical affected zone.
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.
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.
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.
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.
焊接热影响区微观结构演化与诸多因素密切相关，是一个复杂的过程。
The microstructure evolution in HAZ of Welds is a complex procedure, which associates with many factors.
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.
利用焊接时的加热使水汽化，不仅使焊道而且使热影响区的冷却速度减慢。
Using the heat of welding to vapour water, cooling rates are lowered on the weld bead and heat -affected zone.
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.
这种方法可用于热影响区软化焊接接头屈服强度的预测和高匹配接头的强度设计。
This approach is suitable for prediction of yielding strength in HAZ-softened welded joint as well as for strength design of well-matched welded joint.
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.
裂纹扩展的微观特征研究：在热影响区与焊缝区的裂纹扩展均为沿晶与穿晶混合型。
Micro characteristic of cracks propagation research: the path of crack propagation in the heat-affected zone and weld metal is the mix of transgranular and intergranular.
冷却过程的应力和冲击热应力也将导致材料发生塑性形变，其作用范围超过了热影响区。
The shock stress wave and the stresses associated with cooling can also lead to plastic deformations, and their affected depth extends far beyond the heat-affected zone.
对重熔区显微组织进行了研究，研究表明：激光重熔区分为熔凝区、过渡区及热影响区；
The result of microstructures analysis show: there are melted zone , transient zone and heat affected zone in the laser melted layer.
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。
The temperature field in welding HAZ was studied and analyzed. Welding heat curve was set up by argon-shielded tungsten arc welding experiment.
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.
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.
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。
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.
分析了双相不锈钢及其焊缝和热影响区中产生的金属间化合物等二次相对焊管使用性能的影响。
It analyses quadratic phase stainless and its metal compound generated from weld seam and HAZ, which affect welded pipe usage property.
结果表明，该主蒸汽管道的弯头、焊缝热影响区和三通等部位石墨化严重，部分部件需要更换。
The results show that the graphitization of the bent, HAZ and tee of the main steam pipeline stand is severe, and the relevant components should be replaced.
结果表明，该主蒸汽管道的弯头、焊缝热影响区和三通等部位石墨化严重，部分部件需要更换。
The results show that the graphitization of the bent, HAZ and tee of the main steam pipeline stand is severe, and the relevant components should be replaced.
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