采用高频脉冲微束等离子弧做为电子管阴极和光刻栅极装配钎焊工艺的热源，提高了钎缝质量和产品的可靠性。
Brazing quality and product reliability are both increased as using high frequency pulse microplasma arc heating process for assembly brazing of cathode and photoetching grid of electron tube.
该钎料具有熔点低，对母材的润湿性好，钎焊接头组织中含有强度、硬度较高的呈弥散分布的固溶体，以及接头强度较高等特点。
It has low melting point and good wettability to the base-metal, and contains a high-strength and high-hardness solid solution structure, with a high strength of soldering joint.
由于无铅钎料润湿性较差，在实际生产中普遍采用氮气保护。
Nitrogen Protection is used in practical industry because of poor wettability of lead-free solder.
引入了快冷锡基软钎料的浸润性模型，并进行了计算处理。
A wettability model of tin based solders is introduced and mathematical manipulation upon it is performed.
针对2A50铝合金的特点，根据铺展性、填缝性试验，对适合其钎焊的钎料与钎剂作了选择，进行了接头强度试验。
The filler metals and fluxes suitabled for 2A50 aluminum alloy brazing were selected according to the feature of 2A50 aluminum alloy and the test of spreadability and clearance fillabitity.
与氟化物共晶型钎剂相比，有熔点低、流动性好、制备方便等优点。
Comparing with fluoride eutectic fluxes, it possesses the advantages as: low melting temperature, good wetting ability, easy to prepare, etc.
对电真空钎料溅散性的各种影响因素进行分析对比。
Different influence factors on the spatter property of the electronics vacuum filler metals have been analysed and contrasted.
研究内容包括寻找合适的钎剂组分，研究各组分合适的配比和钎剂制备的工艺流程，制备出性能优越、经济性好的软钎剂。
The content include finding appropriate components, studying appropriate proportion and optimization flow, and preparing better performance and economical soldering flux.
通过对钎料润湿性的研究确定钎焊试验的温度和时间范围；通过剪切试验研究了钎焊工艺参数对接头强度的影响。
The temperature and time range of brazing through the wetting experiment were confirmed, and the effect of brazing conditions on the joint strength through the shear experiment was discussed.
Ag40%Sn、Ag30Sn钎料在钢铁、有色金属、异种材料的钎焊时拥有良好的流动性。
Silver 40% (with Sn) , Silver 30% with Sn are free flowing alloys for ferrous, non-ferrous and dissimilar metals with good fluidity.
Ag40%Sn、Ag30Sn钎料在钢铁、有色金属、异种材料的钎焊时拥有良好的流动性。
Silver 40% (with Sn) , Silver 30% with Sn are free flowing alloys for ferrous, non-ferrous and dissimilar metals with good fluidity.
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