The heat affected zone consists of grown grains.
热影响区的组织发生了粗化。
The concept of "weld bead heat affected zone"(WBHAZ) was proposed.
提出了“焊道热影响区”的概念。
The results show that the maximum residual stress appears in heat affected zone (HAZ).
结果表明，最大焊接残余应力出现在热影响区。
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。
The properties in weld deposit metal and Heat Affected Zone are strictly homogeneous with the base metal.
在焊接性能和热影响区金属矿床严格均匀与金属基材。
The microstructure in weld metal, heat affected zone (HAZ) doesn't change, but the grains in HAZ grow up.
焊缝金属、热影响区中的微观组织基本没有变化，但热影响区组织晶粒略有长大趋势。
This not only increase productivity, and cut parts can reduce the deformation and cut the heat affected zone seam.
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。
There are some streamline microstructures and a slight grain melting in the heat affected zone on the side of pure copper.
接头紫铜一侧热影响区出现明显的须状组织，并有晶粒微溶的迹象。
The result of microstructures analysis show: there are melted zone , transient zone and heat affected zone in the laser melted layer.
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；
Most of the heat affected zone retained original structure characteristics of the base metal, and only a fraction of the zone remelted.
热影响区大部分保留了母材的原始组织特征，小部分区域发生了重熔。
In frequent bending stress condition, fatigue cracking occurred due to the cracking source had been initiated in welding heat affected zone.
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。
The effects of high temperature pre-precipitation on the stress corrosion properties of the heat affected zone were also studied after welding.
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 fracture rod has cracks in the microstructure of weld zone, intergranular cracks exists in the coarse grain zone of the weld heat affected zone.
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。
Heat affected zone of cold rolled steel after laser cutting was very narrow and was not affected by the variation of laser cutting technology parameters.
金属材料激光切割后其热影响区非常小，受激光切割工艺参数的影响不大。
The Charpy impact test of base metal, weld and heat affected zone of X80 grade pipeline steel of certain factory was conducted, and its effective grain was researched.
对某厂x 80高钢级管线钢母材、焊缝、热影响区进行了夏比冲击韧性试验，对其有效晶粒进行了研究。
Stress-strain tests show that: the weld residual stress and the fusion zone is relatively concentrated, the residual stress of the heat affected zone is relatively small.
应力应变测试表明：焊缝与熔合区是残余应力比较集中的地方，热影响区的残余应力比较小。
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.
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 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.
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 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.
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。
Microstructure of simulated coarse grain heat affected zone (CGHAZ) of Zr Microalloyed HSLA Steel are investigated using optical microscopy and transmission electron microscopy.
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。
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。
It can also avoid pretermission of plating, burnout of zinc layer on weld beam and heat affected zone, and other limitations on the inner surface of fuel tank made of galvanized sheet.
从而避免了传统电镀锌板直接焊接成型油箱内表面漏镀、焊缝及热影响区锌层烧损等缺陷。
Compared with other surface processing technology, laser surface processing has many advantages such as non-contacting, clean energy, small heat affected zone and easy to auto-control.
激光表面处理具有非接触加工、能源清洁、热影响区域小、便于自动控制等优点。
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.
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。
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。
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.
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。
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。
Due to the advantage of high energy density, low heat affected zone, low shape distortion of components, high welding speed, the research of the laser welding is the focus of the laser process.
激光焊接技术由于其能量密度高、热影响区小、焊接变形小、焊接速度高等众多优点，一直是激光加工方面的研究热点。
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.
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。
Using the heat of welding to vapour water, cooling rates are lowered on the weld bead and heat -affected zone.
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。
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