• The concept of "weld bead heat affected zone"(WBHAZ) was proposed.

    提出影响概念

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  • 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影响

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

    探讨了焊接加热影响组织影响

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  • The properties in weld deposit metal and Heat Affected Zone are strictly homogeneous with the base metal.

    焊接性能影响金属矿床严格均匀金属基材。

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  • The microstructure in weld metal, heat affected zone (HAZ) doesn't change, but the grains in HAZ grow up.

    焊缝金属影响中的微观组织基本没有变化热影响区组织晶粒略有长大趋势。

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  • The test results show that the flame cutting heat affected zone is wider than machining and lower in hardness.

    结果表明火焰切割试样焊接接头的焊接影响机械加工试样焊接接头的焊接热影响区硬度

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  • This not only increase productivity, and cut parts can reduce the deformation and cut the heat affected zone seam.

    不仅提高生产率而且减少零件变形量割缝区的影响区域。

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  • There are some streamline microstructures and a slight grain melting in the heat affected zone on the side of pure copper.

    接头紫铜一侧影响出现明显须状组织晶粒微的迹象。

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  • The result of microstructures analysis show: there are melted zone , transient zone and heat affected zone in the laser melted layer.

    对重显微组织进行了研究,研究表明激光重熔区分为熔凝过渡影响区;

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  • Most of the heat affected zone retained original structure characteristics of the base metal, and only a fraction of the zone remelted.

    影响大部分保留了母材原始组织特征小部分区域发生

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  • In frequent bending stress condition, fatigue cracking occurred due to the cracking source had been initiated in welding heat affected zone.

    承受频繁弯曲应力作用后,在其焊接影响萌生了裂纹进而发生疲劳开裂

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  • The effects of high temperature pre-precipitation on the stress corrosion properties of the heat affected zone were also studied after welding.

    研究高温析出焊接影响及后处理应力腐蚀性能影响

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  • 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.

    进一步比较断裂拉杆已经产生裂纹拉杆焊缝区的显微组织,发现焊缝影响存在沿裂纹。

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  • 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.

    金属材料激光切割影响非常激光切割工艺参数影响不大。

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  • 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.

    x 80高管线母材、焊缝影响进行比冲击韧性试验,对有效晶粒进行了研究。

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  • 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熔合残余应力比较集中地方,影响区的残余应力比较

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  • 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.

    焊接方法连接接头称为焊接接头,焊缝熔合影响及其邻近母材组成。

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  • 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.

    结果表明连接杆焊缝附近影响存在大量针状马氏体组织,在应力的作用下,导致材料发生脆性断裂

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  • 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.

    疲劳试样多数接头影响造成一结果的主要原因是热影响区的组织均匀氢含量相对较高

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  • Microstructure of simulated coarse grain heat affected zone (CGHAZ) of Zr Microalloyed HSLA Steel are investigated using optical microscopy and transmission electron microscopy.

    采用光学显微镜透射电镜研究了锆处理微合金钢影响组织影响。

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  • 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.

    采用模拟方法,对EH36MOD焊接影响粗晶区(CGHAZ)相变超塑性及其疲劳寿命的影响进行了研究

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  • 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表面、焊缝影响烧损缺陷

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  • 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.

    激光表面处理具有接触加工能源清洁影响区域便于自动控制优点

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  • 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.

    焊接影响建模动力学分析难点问题模态参数一致逼近是建模修正一个主要目标

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  • 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.

    弱链模型物理本质出发,探讨影响焊接影响脆性断裂的主要因素。

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  • 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,表面几十微米范围第二减少电子束轰击次数增加,影响范围增大

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  • 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管线焊接过程中,影响由于受到焊接过程热作用组织性能发生较大变化尤其是晶热影响区的组织和性能变化最大。

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  • 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.

    激光焊接技术由于能量密度影响、焊接变形小、焊接速度高等众多优点,一直激光加工方面的研究热点

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  • 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45母材上获得合金粉末堆焊,研究了堆焊层组成母材影响区的微观组织特征。

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  • Using the heat of welding to vapour water, cooling rates are lowered on the weld bead and heat -affected zone.

    利用焊接加热使汽化,不仅使焊道而且使影响区的冷却速度减慢。

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