1) welding microstructure
点焊组织
1.
Resistance spot welding microstructure proportion simulation and experiment analysis on two aluminium alloys
两种铝合金的点焊组织模拟与试验分析
2) microstructure of soldered joint
焊点显微组织
3) weld microstructure
焊缝组织
1.
With optimum magnetic intensity and frequency, the weld microstructures were almost fine equiaxed grains and the weld shape was .
当磁感应强度和频率匹配合适时,焊缝成形良好, 焊缝组织几乎为细小的等轴晶。
2.
Based on the Schaeffler diagram, a software that predicts the weld microstructure of dissimilar metal weldments is designed, and its application is illustrated with an example.
利用舍夫勒图 ,设计了一套软件 ,用它可以预测异种钢接头焊缝组织 ,并通过一个具体实例说明了该软件的应用 。
4) microstructure
[英]['maikrəu,strʌktʃə] [美]['maɪkro,strʌktʃɚ]
焊缝组织
1.
Effect of longitudinal magnetic field on microstructure and properties of MIG weld joint of mild steel;
纵向磁场对低碳钢MIG焊焊缝组织及性能的影响
2.
The microstructure of the tested alloys were systemically investigated by means of optical microscope and JSM-5600 scanning electron microscope(SEM),and the relation between microstructure and the welding hot cracking susceptibility was discussed.
采用横向变拘束试验,研究铝锂合金(A合金)和2024合金的焊接热裂纹敏感性;并对焊缝组织进行分析,探讨它对两种合金焊接开裂倾向的影响。
3.
By adjusting Cr content,the changes of the microstructure and mechanical properties of a Fe-base manual SHS welding joint were studied.
研究表明:当焊接接头的含Cr量(质量分数)小于3%时,随Cr的增加,焊缝析出的富Fe相增多,富Fe相显微硬度提高,富Fe相熔合区加宽,提高了焊接接头的力学性能;当含Cr量大于4%时,抑制了富Fe相和富Cu相的液相分离,焊缝组织趋向均匀化的Cu基合金,熔合区Cr与C形成碳化物,出现微裂纹,焊接接头的力学性能降低。
6) brazing structure
钎焊组织
补充资料:点焊
点焊
spot welding
d ionhon点焊(sPotwelding)利用工件电阻所产生的热在接触面上使母材熔化,并形成焊点的电阻焊方法。它是将焊件装配成搭接接头,并压紧在两电极之间,于低电压下通以大电流来进行的。 点焊的焊接速度快,在薄板组件的大批量生产中适于自动化。它可以与其他制造工序一起编入组装线中。对操作技术要求低,在采用半自动机器单件加工中是经济的。但设备成本较高、维修难度大。搭接接头增加了产品的重量和成本,而且搭接形式载荷是偏心的,因而不能利用板材的全部强度。 点焊常用于两块成分和厚度相同的金属薄板,也适用于两块以上成分厚度各异的金属连接。 ‘(卓忠玉)
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参考词条