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.
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.
测试面积包括焊缝金属和焊缝附近窄小的焊接热影响区。
Area includes both the weld metal and the narrow band of material adjacent to the weld which has been affected by the heat of welding.
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.
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。
The effects of high temperature pre-precipitation on the stress corrosion properties of the heat affected zone were also studied after welding.
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.
粒状贝氏体及粒状组织中的M-A岛不是该钢焊接热影响区过热区脆化的原因。
The M-A units in granular bainite and granular structure are not the cause of embrittlement.
从最弱链模型的物理本质出发，探讨了影响焊接热影响区脆性断裂的主要因素。
In this paper, the brittle fracture probability of weldments and the fracture toughness of heat affected zone (HAZ) were investigated according to the principle of the weakest link theory.
从最弱链模型的物理本质出发，探讨了影响焊接热影响区脆性断裂的主要因素。
The fatigue crack growth (FCG) behavior of the weld heat-affected zone of 14MnNbq bridge steel was systematically investigated in this paper.
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.
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.
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.
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 infiltra…
采用模拟焊接热循环的方法，研究了二次热循环对X80级管线钢焊接热影响区组织和性能的影响。
Welding thermal simulation technique is adopted to study the influences of twice thermal cycle on the structure and properties of X80 pipeline steel.
采用二维有限元数值方法分析了焊接热影响区粗晶区（CGHAZ）中局部硬化区（LHZ）的作用。
The effect of the local hard zone (LHZ) distributed in the coarse grained HAZ (CGHAZ) has been analyzed by 2-dimensional FEM on a mechanical model of the weld CGHAZ.
焊接热影响区建模是动力学分析的一个难点问题，而模态参数的一致逼近是建模及修正的一个主要目标。
Modeling of the heat affected zone in welding is a difficult problem in dynamic analysis, while the consistent of modal parameters is a major objective of modeling and model amendment.
结果表明，火焰切割试样焊接接头的焊接热影响区比机械加工试样焊接接头的焊接热影响区宽，硬度低；
The test results show that the flame cutting heat affected zone is wider than machining and lower in hardness.
为此，本文采用MC法对焊接热影响区的晶粒生长过程进行模拟，预测焊接热影响区的最终晶粒尺寸分布。
In this paper, MC technique is adopted to simulate the process of grain growth in HAZ and predict final grain size distribution.
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.
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。
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.
结果表明，细小弥散的第二相粒子能有效地阻碍焊接热影响区粗晶区的原奥氏体晶粒长大，改善该区域的韧性。
The results show that the dispersed second phase particles can effectively retard the growth of austenite grain in the CGHAZ, and improve the toughness.
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 influence of pre-heating temperature on organization and performance of X80 pipeline steel was investigated by weld thermal simulation technique and the instrumented Charpy impact toughness test.
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。
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.
结果表明，热冲击是高温合金电子束焊接热影响区的微裂纹损伤的主要原因，热冲击损伤效应导致接头力学性能的劣化。
The results show that the HAZ microfissuring damage of superalloy EBW joints induces mechanical properties deterioration which is attributed to the EBW thermal shock.
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 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.
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.
通过冷裂敏感性试验、焊接热影响区最高硬度试验及可调拘束试验，对新型铁路车辆用TCS耐蚀钢的焊接性进行了深入系统分析。
The weldability of TCS corrosion resistant stainless steel for railway wagon was investigated by cold cracking sensitivity test, HAZ maximum hardness test and varestraint test.
通过冷裂敏感性试验、焊接热影响区最高硬度试验及可调拘束试验，对新型铁路车辆用TCS耐蚀钢的焊接性进行了深入系统分析。
The weldability of TCS corrosion resistant stainless steel for railway wagon was investigated by cold cracking sensitivity test, HAZ maximum hardness test and varestraint test.
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