heat-affected zone

T91/ P91 Steel's Research of Welding Heat-affected Zone Crack and Evaluation of Welding Property in Generating Station

电厂用T91/P91钢焊接热影响区裂纹研究及焊接性能评定

The influence of weld heating on microstructure of heat affected zone was investigated in this paper.

探讨了焊接加热对热影响区组织的影响.

Firstly, the paper established the finite element model of different thickness TWB and divided the geometric model into non-uniform finite element mesh combining the structural characteristics of TWB. the plasma arc heating zone and heat-affected zone were also considered.

首先结合拼焊板的结构特点以及等离子体弧加热区与热影响区尺寸，建立差厚拼焊板的有限元模型并划分不均匀的有限元网格。

The welding methods, heat-affected zone, and design method of weld strength are introduced.

文中介绍铝合金的焊接方法 、 接热影响区以及焊接强度的设计方法.

Generally, intensity of welds in FSW exceeds heat affected zone.

通常情况下, 摩擦搅拌焊的焊缝强度超过热影响区.

Study on thermal activity and geothermal field characteristic in tunnel zone is of great significance, for it can not only solve basic geothermal geological problems but predict the heat-harm problems of the linear project.

论文对隧址区水热活动规律和地温场特征进行研究，这不仅能解决该区的基础地热地质问题，同时也可预测线路工程遇到的热害问题，具有实际意义。

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

The microstructure of the heat-affected zone is mainly tempered martensite, and with uniform distribution of grains and good combination in the fusion line.

热影响区的显微组织主要为回火马氏体；熔合线结合良好，组织均匀。

On the thermal structure of the Japan Sea subduction zone and the effect of the heat sources

日本海俯冲带的热结构及热源的影响

Weld hardness is controlled ( including the heat-affected zone ) and maintained below 200 HB.

焊接硬度控制在 ( 包括热影响区域 ) 200HB以下.

Fracture toughness of heat-affected zone ( HAZ ) was between the base metal and weld metal.

焊接热影响区的断裂韧性介于母材和焊缝金属之间.

experimental research on the fatigue crack growth rate of raw material, weld seam and heat-affected zone of high pressure vessel

高压气瓶母材、焊缝和热影响区的疲劳裂纹扩展速率实验研究

Effect of Thermal Strain on Microstructure and Mechanical Properties of Welding Heat-Affected Zone of 2090 Al-Li Alloy

热应变对2090铝锂合金焊接热影响区显微组织和力学性能的影响

The main inclusions of coarse grain heat-affected zone were class D inclusions.

热影响区粗晶区中的夹杂物主要是D类夹杂物。

The basic requirement of welding the steel 2205 is that the weld metal and heat-affected zone obtain a favorable phase balance and retain the performance as the base metal after welding.

平衡铁素体和奥氏体两相组织在焊缝金属和热影响区中的比例，保证焊接接头的性能，是双相不锈钢焊接的基本要求。

The weldability of 800 MPa high strength steel has been studied with 20 mm and 42 mm thickness plates by the maximum hardness test of heat-affected zone, Y slit cracking test and the test of weld energy input etc.

采用热影响区最高硬度试验、斜Y型坡口裂纹试验及焊接线能量的测试等手段研究了板厚分别为20mm及42mm的800MPa高强钢的焊接性。

It has been believed that there is a frictional heat within the slip zone when a rapid, large-scale and deep-seated landslide occurs.

滑体与滑带摩擦生热导致滑带内温度升高，被广泛认为是大型深层滑坡高速活动的主要特征之一。

The reasons of appearance different phases among base metal, welded seam and heat-affected zone are different chemical constitution proportion of base metal and welding wire and part of metallic elements are melting loss when welded.

母材和焊缝、热影响区出现不同相的原因是由母材与焊丝所含化学成分的比例不同及焊接时部分金属元素烧损所致。

Weld, heat-affected zone and substrate metal test etc.

焊缝中心区, 热影响区,基体组织检验等.

Transformation of Intra-granular Ferrite in Heat-affected Zone of Non Quenched-tempered Heavy Plate Steel

非调质厚板材焊接热影响区晶内铁素体相变研究

Simulation of Thermal Evolution of Strip and Determination of Heat Transfer Coefficient in Deformation Zone During Hot Rolling

热轧带钢传热模拟及变形区换热系数的确定U型管桩埋换热器稳态传热模拟研究

The Widmanstatten structure changes into the basket weave structure in the alloy TC11 heat-affected zone of joint.

TC11合金热影响区的魏氏组织转变为网篮组织；

Results showed that hardness is a little different in the heat affected zone ( HAZ ).

结果表明,焊接热影响区具有较小的 硬度 差异.

Based on certain thermal plant 450t/ h circulating fluidized bed boiler operating datum, built thermal equilibrium equation respectively in dense and sparse zone, and circulated the coefficient of heat transfer.

以某热电厂实际运行的450t/h循环流化床锅炉运行数据为基础，在锅炉密相区和稀相区分别建立热平衡方程式，计算循环流化床锅炉密相区、稀相区的传热系数。