钎焊的

Compare two braze welding methods, the furnace braze welding is an appropriate making method.

并比较了两种钎焊制造工艺，指出炉中钎焊是一种非常合适的制造方法。

Based on the analysis and practice of the ultrasonic soldering process, the results show that it is important to procure high soldering quality on controlling submersion depth, the ultrasonic soldering time, assembling clearance and solder composition.

根据对超声波钎焊工艺的分析和实践，结果表明控制产品在钎焊时的浸没深度与产品装配间隙、超声波钎焊时间和钎剂成分是获得高钎焊质量的重要条件。

With the help of tensor analysis theory, the velocity field and the strain rate field during the tri-walled tube forming process are deduced, and the energy rate and the needed driving force are determined.

运用数学物理方法，遵循能量守恒定律对卷焊管电阻直热式钎焊过程进行了稳态分析，求得了焊接区上的温度分布及钎焊各工艺参数间的关系，并进一步探讨了钎焊温度波动控制策略及方法。

This study showed that yttria stabilized zirconia can be brazed to 444 stainless steel by in-situ alloying of pure Ni-Ti foils at temperatures around 1000°C. The best brazes were produced when brazing for 60 minutes at 1010°C and 30 minutes at 1030°C.

概要 此文验证了氧化钇稳定的氧化锆在1000°C下可以使用纯镍、钛箔现场配制的合金进行钎焊444不锈钢。1010℃钎焊60分钟，1030℃钎焊30分钟可以达到最好效果。

Under torch brazing condition, using brazing filler metals of Cu-based and Ag-based, a series of tests are investigated to braze Ti based cermets and 45 steel, the micrographic structure of joints and shearing test results are analyzed, they show that Ti based cermets has good brazability.

通过观察和分析钎焊接头的结合情况及剪切试验，表明 Ti基金属陶瓷具有较好的钎焊性；火焰钎焊条件下，以 H 6 2为钎料的接头的平均剪切强度为37MPa，以 BAg10 Cu Zn为钎料的接头的剪切强度达 114 MPa，以 BCu Zn Mn为钎料的接头的平均剪切强度为 4 9MP

The main results were obtained as follows:(1) The calculation results of temperature field indicate that, 6139T radiator was brazed using the stage-by-stage heating process, while 6204T radiator with a larger size was brazed using the temperature difference heating process. The uniform temperature distributions in faying faces were all obtained. And the temperatures were in the range of brazing temperature. It is proved that the finite element models established are reasonable.

取得的主要结果和结论为：(1)温度场计算结果表明，对于6139T散热器，采用分阶段加热钎焊工艺，而对于具有较大尺寸的6204T散热器，采用温差法加热钎焊工艺时，均获得了均匀的钎焊面温度分布，且在钎焊温度范围之内，证明所建立的有限元分析模型是合理的。

Products have: NB-KR series, NBC series of carbon dioxide gas shielded welder, LGK8 Series air plasma arc cutting machine, WS Series DC argon arc welding machine, WS series IGBT inverter DC argon arc welding machine, WSE Series AC-DC pulse argon arc welding machine, ZX5 Series Thyristor rectifier arc welder, ZX6 series three-phase rectifier arc welder, ZX7 series IGBT inverter DC arc welding machine, ZXG Series rectifier arc welder, ZXE1 Series AC-DC dual-use arc welding machine, BX1 Series, BX3 series, BX6 Series AC arc welding machine, steel electroslag welding stress, pedal-style capacitor discharge spot welder, UN series of welding machine, DN Series AC Spot Welder foot, DNY Series mobile communicate spot welder, DN2 fixed pneumatic spot welding machine, D N2 fixed aerodynamic point of convex welder, CG series gas cutting machine, CNC cutting machine door, Intersection CNC EDM Series , flame brazing machine series, automatic welding machine series, MZ series automatic submerged arc welding machine, automobile manufacturing special welding equipment, robot applications, such as large family of more than 29 varieties.

生产的产品有：NB-KR系列、NBC系列二氧化碳气体保护焊机，LGK8系列空气等离子弧切割机，WS系列直流氩弧焊机，WS系列IGBT逆变直流氩弧焊机，WSE系列交直流脉冲氩弧焊机，ZX5系列晶闸管整流弧焊机，ZX6系列三相整流弧焊机，ZX7系列IGBT逆变直流弧焊机，ZXG系列硅整流弧焊机，ZXE1系列交直流两用弧焊机，BX1系列、BX3系列、BX6系列交流弧焊机，钢筋电渣压力焊机，脚踏式电容储能点焊机，UN系列对焊机，DN系列脚踏式交流点焊机，DNY系列移动式交流点焊机，DN2固定式气动点焊机，DN2固定式气动点凸焊机，CG系列气割机，门式数控切割机，数控相贯线切割机系列，火焰钎焊机系列，全自动堆焊机系列，MZ系列自动埋弧焊机，汽车制造专用焊接设备，机器人应用系统等二十九大系列百余个品种。

The remelting temperature of 1Cr18Ni9Ti stainless steel joint brazed with the nickelbase filler metals is investigated by the use of both the microstructure analysis and the differential thermal analysis.

在钎焊过程中，熔化的钎料与不锈钢相互作用，使得焊后钎缝的成分不同于所用钎料的成分，钎缝的重熔温度也不同于钎料的熔点。

As the brazing temperature was low or the holding time was short, lots of low-melting M3B2 were precipitated in the central part of the brazing seam.

当钎焊温度较低或保温时间较短时，钎缝中央生成大量的M3B2；随着钎焊温度的升高及保温时间的延长，钎缝中M3B2、MC减少，M23C6增多、长大。

This article introduces joint type of copper-aluminum pipe,including straight pipe butted joint,flared pipe insert joint,reducing pipe insert joint and reducing pipe lap joint,and the welding technologies in domestic and abroad,including friction welding,energy storage welding,flash welding,resistance welding,braze welding,cold butt welding and ultrasonic welding.

介绍了铜铝管的接头形式，主要包括：直管对接、扩口管插接、缩口管插接和缩口管搭接；以及国内外的焊接技术，主要包括：摩擦焊、储能焊、闪光焊、电阻焊、钎焊、冷压焊及超声波钎焊等。

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。