parent metal
英 [ˈpeərənt ˈmetl]
美 [ˈperənt ˈmetl]
母体金属；母材；基料
双语例句
- It was found that all the impact test specimens cracked along the parent metal of TC4 alloy after impact test.
对焊后试件进行冲击试验研究，冲击试件基本沿母材断裂。 - This zone is traditionally called shear zone in view of fact that the material in the final form would be removed by shear from the parent metal.
考虑到最终形状中的材料是通过剪切从母体金属去除的，此区域传统上称为剪切区。 - The results show that, after welding, microstructure of the weld zone and the heat affected zone are different from the parent metal, showing characteristics of weave structure.
结果表明，焊接后焊缝区和热影响区的组织与母材的组织差别很大，表现为魏氏组织特征； - Miner's law gives a good estimation for specimens which has a larger elongation of parent metal.
对于母材断裂伸长率较大、载荷水平较低的试件，其疲劳寿命较好地符合疲劳损伤累积的线性理论。 - The tensile strength and the elongation percentage of the parent metal and the weld zone increased slightly.
冲击处理使焊缝区和母材区的强度和伸长率均有所增加。 - The results show the accumulated damage of reformer tubes is localized, and the damage of the weldment located at the lower part of reformer tubes is more serious than that of the parent metal.
结果表明炉管的累积损伤具有局部性，下部高温段的焊缝损伤较母材严重。 - Results showed that the seam of the alloy was more resistant to the corrosion, and the mass loss was about 1/ 4 of that in parent metal.
结果表明，焊接金属的抗空蚀性能明显高于母材，焊缝金属的空蚀累积失重及失重率均约为母材的1/4。 - The results show that when filler material is similar to parent mental, Zn content in bond area is lower than that in the weld and the parent metal. The Cu and Al contents in bond area are higher than that in the parent metal.
结果显示在选用同质填充材料的情况下，焊接熔合区的锌含量低于焊缝和母材，铝及铜的含量则高于母材； - Intense and manifold plastic deformation occurs in parent metal near interface zone, and deformation mostly fastens on eddy in front of wave.
界面近区基体金属发生了剧烈的多种形式的塑性变形，变形主要集中于波前漩涡附近。 - Fatigue tests have been conducted in four types of welded ioint of aluminum alloy, used for high-performance surface ship construction. The relevant S-N curves are presented and the experimental results of the crack growth in the, parent metal and the weldments are described.
本文给出了一种适用于高性能舰船的艇体结构可焊接铝合金四种常用典型焊接接头的S-N曲线及母材、焊材的裂纹扩展试验结果。 - The parent metal, welding material and the development of technology are introduced in this paper.
本文将该钢基体和焊接材料及其工艺发展现状作一介绍。 - For those specimens having a smaller elongation of parent metal and a high level loading, crack propagation dominates the fatigue process.
而伸长率小、载荷水平高的试件则表现出较明显的裂纹扩展特征。 - The fracture toughness of welds and parent metal of the two kinds of materials decrease without exception under prestrain.
而预应变下，两种材料焊缝和母材的断裂韧度均有所降低。 - A higher instantaneous high temperature strength and a higher creep strength than the parent metal have been obtained which verifies the feasibility of the proposed welding procedure.
在高温下焊缝瞬时强度和持久强度亦都高于母材，说明此焊接工艺是可行的。 - The results show that ballistic performance of welded seam and HAZ calculated by safety angle method can achieve over 80% of parent metal's. The ballistic performance of welded seam by electron-beam welding and MIG welding is more than 90% of parent metal's.
试验结果表明：在安全角测试条件下计算焊缝及热影响区的抗弹性能可以达到母材的80%以上，其中采用MIG焊和电子束焊的板材焊缝抗弹性能可达到母材的90%以上； - By using carbon extraction replica technology and welding thermal simulation, the second phase particles in parent metal, weld metal and simulated coarse grain heat affected zone ( CGHAZ) of Ti-V-Nb microalloyed steel were investigated.
利用萃取复型技术，对Ti-V-Nb微合金钢母材、焊缝及模拟粗晶区中第二相粒子进行了研究。 - The transient and then residual stress in welded joints with thermal expansion coefficient ( simply TEC) mis-matching between the weld metal and the parent metal are investigated by using the method of thermal elasto-plastic finite element analysis in this paper.
采用热弹塑性有限元法对焊缝与母材线膨胀系数匹配对焊接过程中的动态应力以及残余应力的影响规律进行研究。 - It was found that the catalytic properties were changed obviously with the type of parent zeolite, and metal ion.
发现反应活性及活性温度范围取决于分子筛母体与金属离子的种类。 - The coatings having heat-resistant and wear resistant performance can be obtained on copper parent metal by the subsonic speed oxy-acetylene flame spraying.
采用氧-乙炔亚音速火焰喷涂工艺对高炉铜质风口套表面喷涂耐高温、耐磨材料，可以改善工件的表面性能。 - The experimental result indicated that, compared-with the parent metal, the weld joint area is the worst corrosion-resisting part in all the component;
采用最先进的.什么最宝贵？实验结果表明：焊缝是整个焊接接头中耐腐蚀性最差的部位； - The highest tensile strength and elongation can be obtained at 12N · m of average torque of steady state, which are 93.6% and 67% of parent metal respectively.
稳态平均扭矩为12Nm时抗拉强度和伸长率最大，分别达到母材的93.6%和67%。 - Using of the migration mechanism of the clusters, we can explain the phenomenon of the upward migration of parent nuclide and other metal particles.
采用团簇运移机制，可以很好地解释氡气母体核素及其他重金属颗粒向上运移的现象。 - Compared to fusion welding, the soldering is a method that the parent metal does not melt and the material clearance molten state is filled by filler metals rely on capillary action.
相对于熔化焊，钎焊时母材不熔化，熔融的液态钎料依靠毛细作用填充母材间隙，利用液态钎料与母材的相互作用达到冶金结合。 - Elongation rate of the experimental group are lower than the Parent metal group, we can see that the welding brittle increased significantly.
实验组的伸长率与母材组比降低，可见焊接区的脆性显著增加。 - The welding wire, solder, temperature, current, voltage and other parameters were selected according to parent metal properties and pipe specifications. A set of pipe-line testing system was designed to test and reshape the roundness of pipe.
根据母材性能及管材规格，选取焊丝，焊剂、温度、焊接电流、焊接电压等参数值。设计了管径在线测试系统，对钢管圆度进行检测和整形。 - The metallographic structure shows that the welding spots can be divided into the mixed zone, the stir zone and the parent metal.
金相试验显示焊点可分为混合区、搅拌区和母材三个典型的区域。 - At the parts far from the welded area, the elements were majorly from the parent metal.
远离熔焊区时，元素成分以母材元素为主。 - The temperature of soldering is lower than the melting welding, so the parent metal thermal deformation is small and soldering is suitable for the connection of precision parts which is high size requirement.
钎焊温度较熔化焊低，焊接过程中镁合金母材受热变形小，性能稳定，适用于对尺寸要求较高的精密件的连接。选择合适的钎料是实现镁合金钎焊的必由之路。