The heat-affected zone and the metallographic structure are studied.
研究了热影响区宽度和金相结构。
Central crack for the welded plate was located in the fusion zone between welding seam and heat-affected zone.
焊接板的中心裂纹处于焊缝与热影响区之间的熔合区。
Metallurgical tests of cross-sectional weld samples indicate a minimal heat-affected zone that is identical to the parent metal.
剖焊样品的金相检验表明，成品的最小热影响区与母体金属完全相同。
In welding test of TCS stainless steel, it was found that impact absorbing energy of heat-affected zone (HAZ) near bond line in welded joint was low.
在TCS不锈钢前期焊接试验中发现其焊接接头热影响区的冲击吸收功值在熔合线附近较低，原因是接头热影响区晶粒粗大所致。
Femtosecond laser micromachining has many potential applications due to its advantages, such as limited heat-affected zone and more precision machining.
飞秒激光微加工具有热影响区小和加工精度高的特点，在激光微加工领域具有潜在的应用价值。
The results indicated that impact absorbed energy of heat-affected zone in welded joint of X70 pipeline steel were proportional with shearing area on the whole.
结果表明：X70管线钢焊接接头热影响区冲击试样的冲击功与断口剪切面积基本成线性比例关系，冲击功越高，剪切面积越大。
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.
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。
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.
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。
Microstructure and mechanical properties changing rules of 2219 Al-alloy HAZ (heat-affected zone) with twin wire welding were studied using welding thermal simulation method.
采用焊接热模拟试验方法研究了2219铝合金双丝焊热影响区的微观结构和力学性能的变化规律。
The larger tension stress in the hydraulic turbine blades, grain coarsening in the heat-affected zone and the causticity of fluid medium are the major causes of cavitation erosion.
水轮机叶片有较大的工作应力、热影响区的晶粒粗大以及水介质的腐蚀性是产生机械腐蚀疲劳汽蚀的重要原因。
The effect of welding line energy on microstructure and low temperature toughness of heat-affected zone(HAZ) of X70 pipeline steel was studied by welding thermal simulation method.
采用焊接热模拟技术、显微组织分析和冲击试验的方法，研究了焊接线能量对X70管线钢焊接热影响区组织和低温韧性的影响规律。
In welding test of TCS stainless steel, it was found that impact absorbing energy of heat-affected zone (HAZ) near bond line in welded joint was low. The reason is coarse grain in HAZ.
在TCS不锈钢前期焊接试验中发现其焊接接头热影响区的冲击吸收功值在熔合线附近较低，原因是接头热影响区晶粒粗大所致。
The welding method used was a PC-GMAW process with mixture gases shielding. Central crack for the welded plate was located in the fusion zone between welding seam and heat-affected zone.
焊接方法为脉冲熔化极混合气体保护焊，焊接板的中心裂纹处于焊缝与热影响区之间的熔合区。
The fracture toughness of the weld metal is lower than that of the base metal and the fracture toughness of heat-affected zone (HAZ) is intervenient between those of weld metal and base metal.
接头焊缝金属的断裂韧度显著低于母材，而热影响区断裂韧度则介于母材和焊缝金属之间。
The variation of microstructure and mechanical properties of the welding heat-affected zone of 2090 Al-Li alloy were investigated by means of the welding thermal, simulated and strain cycles test.
采用焊接热模拟试验方法研究了在焊接热循环和应力-应变循环同时作用下，2090铝锂合金焊接热影响区显微组织和力学性能的变化特征。
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。
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 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。
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 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。
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；
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。
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。
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。
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。
The heat affected zone consists of grown grains.
热影响区的组织发生了粗化。
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。
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 concept of "weld bead heat affected zone"(WBHAZ) was proposed.
提出了“焊道热影响区”的概念。
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。
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