钎焊

The influence of brazing temperature and holding time on microstructure and tensile strength was studied.

研究了钎焊温度和保温时间对钎焊接头组织和性能的影响。

The brazing process includes selection of brazing materials, pre-brazing preparation, regulation and deformation control of brazing parameter. The Al-Si alloy wires core was used as filler metal and the gasoline flame with quincunx nozzle was used as heating source. Through FEM analysis, a set of technological equipment was designed to control brazing distortion.

通过对焊接材料、焊接规范、焊接工装等方面进行的试验和分析，确定了6063铝合金门窗框的钎焊采用无腐蚀性的Al-Si合金铝钎焊药芯焊丝作为钎料，汽油火焰作为加热热源的工艺方案，并通过有限元分析设计了简单易用的焊接工装以控制焊接变形。

Different combinations of nickel/titanium foils were used; brazing was done in vacuum at 6 x 10-6 torr at 960°C, 1010, and 1030°C for different brazing times.

不同组合的镍/钛箔使用；钎焊是在真空中在6× 10-6托在960 ℃， 1010年和1030年° C的不同钎次。

Silver brazing method: larger wire-bond or welding rod point in the valve in the pipeline sets seat.

银钎焊法：将焊线或焊杆点在阀门里的管道套座上。

VRLA battery uses lead calcium alloy for grid and lead tin alloy for strap, the COS process more likes soldering, COS of lead-tin strap is difficult and needs flux and tinning.

VRLA电池使用铅钙合金板栅和铅锡合金汇流排，其制造过程更像是钎焊。铅锡合金汇流排铸焊过程须使用助焊剂和搪锡。

The joining processes covered include soldering, brazing, solid-phase welding and fusion welding.

在加入进程涵盖焊接，钎焊，固相焊和熔焊。

High purity alumina ceramics were brazed to niobium metal to analyze the effects of brazing temperatures and Ti content in the active AgCuTi alloy filler on the joint microstructure,interfacial reactions and shear strengths.

为了确定高纯氧化铝陶瓷与金属Nb 的直接钎焊工艺参数，采用AgCuTi活性钎料，研究了钎焊温度和钎料中的钛含量对接头组成、界面反应以及接头剪切强度的影响。

At present, brazing technology are widely adopted at home and abroad . In order to verify the availability and applicability of pulse Nd:YAG laser-welding, a comparison is made between the new technology and the present technology in such aspects as the dismantled torsions, the microstructure and the micro-hardness of the weld area and the heat-affected zone, the maintenance of fabrication precision and assembling precision of the components.

本文首次采用灯泵Nd：YAG脉冲激光进行焊接试验，并和硬钎焊获得的拆卸扭矩、焊缝金相组织、显微硬度等进行了综合对比，结果表明，激光焊接能很好地保证支架和支架轴固有的机械性能、耐磨性、加工与装配精度；激光焊连接可靠，耐拆卸扭矩大，符合整体结构性能要求；焊后无需后续处理，可以作为最终工序，验证了激光焊接的有效性、适用性。

It is suitable to be used as filling material for oxygen-acetylene gas welding and carbon arc welding, and also for manual braze welding. It is the ideal material for welding of copper alloy, copper, gray cast iron and hard alloy knife and etc.

HS221 JIS ZYCusN 适用于氧-乙炔气焊及碳弧焊时作为填充材料，也可用于钎焊，是铜合金、钢、灰铸铁及硬质合金刀具等焊接材料中较为理想的焊接材料。

As the brazing temperature is different, the eutectic reaction on brazing joints is different, and the emergence of eutectic liquid greatly enhances the proliferation ability of copper and silicon.

不同的钎焊温度，钎焊接头表现出不同的共晶反应，且共晶液相的产生极大地促进了铜和硅的扩散能力。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。