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- The striation spacing in heat affect zone and welded seam samples was wider than that in matrix sample,this shows that fatigue crack propagation... 焊缝区和热影响区试样的辉纹间距较基体区的大,说明裂纹扩展速率快,焊缝和热影响区的抗裂纹扩展性较基体差。
- 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。
- Numerical Simulation of the heat affected zone of nickel ablated with femtosecond laser[J]. 引用该论文 王志军;贾威;倪晓昌;彭志农;杨丽;王清月.
- 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。
- Excimer laser micromechaning has advantages of non-touching,selective processing,small heat affected zone,high precision and high repitition. 介绍了准分子激光微加工的机理、特点和应用。
- Excimer laser micromechaning has advantages of non-touching selective processing, small heat affected zone, high precision and high repitition. 激光微加工具有非接触、有选择性加工、热影响区域小、高精度与高重复率等优点。
- The weld seam and the entire heat affected zone of laser welded pipe shall be heat treated so as (to simulate a normalizing heat treatment). 激光焊接管的焊缝及整个热影响区应做热处理(类似正火热处理工艺)。
- The experiments show that the remelting hardening layer consists of melting zone, quenching zone and heat affected zone. 实验表明:熔凝硬化层由熔化区、相变硬化区和热影响区组成;
- Based on the structure character of the joint, the microstructure of the joint can be divided into plasticity zone, dynamically quiescent layer, heat affected zone and base metal. 根据焊点接头的组织特征可将其分为塑性区、动态静止层、热影响区和母材。
- The weld section looks like an inverted trapezia and the heat affect zone (HAZ) is very narrow. 焊缝截面呈上宽下窄的倒梯形,热影响区(HAZ)相当窄;
- The flow stresses of the heat affected zone (HAZ) of the STKM11A welded tube are determined by an empirical law based on the Vikers Hardness (HV) distribution in circumferential direction of the tube. 摘要基于周向显微硬度的分布及经验公式法,确立了STKM11A焊缝管热影响区的流动应力;
- According to Chinese Standard GB2038, ?J? integral test was carried out on base metal, weld and HAZ(heat affected zone) of X52 ERW pipes and X60 SSAW pipes under a series of temperature with TPB(three point bending) specimens. 试验按照GB2 0 38标准要求 ,采用三点弯曲试样 ,分别对进口X52ERW焊管母材、焊缝以及国产X60SSAW焊管母材、焊缝、热影响区进行系列温度J积分试验。
- The comparison results show that mechanical vibration welding can decrease the residual stress in heat affected zone, refine crystal grain, and improve the fatigue life of the weldment. 对机械振动焊接试板与常规埋弧自动焊接试板进行了残余应力测试、金相观察及疲劳试验,研究了机械振动焊接对焊件疲劳寿命的影响。
- 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。
- coarse grain heat affected zone(CGHAZ) 粗晶区(CGHAZ)
- simulated welding heat affected zone 模拟焊接热影响区
- In cases where impact testing is required, the Charpy V-Notch impact values for parent material, weld metal, and heat affected zones shall not be less than those specified for the base metal. 若要求作冲击试验,母材、焊缝金属及热影响区的夏氏V形缺口冲击功值不能少于母材的规定值。
- Study on Fracture Properties of 16MnR Steel in Weld and Heat Affected Zone 16MnR钢焊缝及热影响区断裂性能的研究
- Softening of Heat Affected Zone (HAZ) of 2090Al -Li Alloy during Welding 2090铝锂合金焊接热影响区软化机理
- Keywords microalloyed steel;welding;heat affected zone(HAZ);toughness; 微合金钢;焊接;热影响区;韧性;