钎料厚度较厚时钎焊变形较大。
对该钎剂进行了不挥发物含量、腐蚀率试验。
研制了铝硬钎焊用钎料膏，对其工艺性能进行了研究。
A solder paste used for brazing was developed and its technical performance was investigated.
含低木质素高钎维的树木能够在既速长的同时又多产乙醇。
Trees containing less lignin and more cellulose would both grow faster and also produce more ethanol.
钎料凸台和互连焊点的重熔是面阵封装的关键技术之一。
The manufacture of solder bump is one of the key technologies for area array packaging (AAP).
同时，钎缝圆角几何形状对这一热应力分布有重要影响。
Meanwhile, the fillet geometry has played an important role on this thermal stress distribution.
同时，本文还对PBGA钎料球激光重熔进行了试验研究。
At the same time, experiments on PBGA solder ball laser reflow were carried out.
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.
介绍了各种焊接方法的优缺点以及钎料、钎剂的开发进展。
The advantages and disadvantages of various welding methods and development of filler metals and fluxes are introduced.
同时发现，钎料的冷却方式对钎料的脆性倾向有较大的影响。
In addition, it was found that the cooling mode affect the brittleness tendency of the solder greatly.
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.
结合我们的研究成果，详细介绍了无铅钎料开发的现状及前景。
In combination of our recent results, the current status and prospect on lead-free solders has been introduced in detail.
结合目前的研究成果，详细介绍了无铅钎料开发的现状及前景。
In combination of the recent results, the current status and prospect on lead-free solders has been introduced in detail.
本文研究了影响镍基钎料钎焊不锈钢接头性能的主要工艺参数。
Main technology parameters of effects on brazing stainless steel joints using nickel base filler metal have been studied.
每个人都需要水，和包括一点脂肪，钎维和一点盐的食物结构。
Every person needs water and a diet of healthy food including some fat, fibre and a little salt.
研究接头形状、钎缝厚度对焊后残余应力的大小及分布规律的影响。
The effects of joint shapes and filler metal thickness on the distribution of residual stress were researched.
共晶钎料BGA球焊点的抗剪强度比锡铅合金钎料自身的抗剪强度大。
The shear strength of BGA joint with eutectic solder is higher than that of tin-lead alloy itself.
该设备独特钎维刷设计，保证超常的使用寿命和优质的运转和传输性能。
The equipment features unique solder-dimensional brush design, super long usage life and excellent operation and transportation.
研究了合金元素对含稀土低锡钎料抗氧化性和氧化前后润湿性能的变化。
In this paper, the influence of alloying element on the oxidation resistance and wettability of low tin solders is investigated.
接头抗剪强度表明，在一定范围内，采用复合钎料可以明显提高接头强度。
Shear results of joints show that joint strength can be increased obviously in a certain range with composite soldering materials.
锡炉材料特别是与流动钎料接触比较紧密的部分应尽量避免直接使用不锈钢材料。
The material used for solder pot, particularly for the part with a tight contact with flow solder, should avoid direct use of stainless steel.
随着微电子表面组装技术的迅猛发展，软钎料尤其是无铅钎料逐渐成为研究的焦点。
The solder alloys especially the lead-free solder alloys become the focus of study because of the quick development of the microelectronics and the surface mount technology (SMT).
介绍了采用钎焊的方法进行连接；选择了相应的钎料与钎剂；并确定了工艺及措施。
This paper introduces the connection using the brazing technique, selects corresponding brazing filler metal and flux together with proper technology, and determines the techniques and measures.
研究了不同镓含量银钎料的铺展性能、钎缝力学性能以及钎料的显微组织变化规律。
Spreadability, microstructures and mechanical properties of brazed joints of silver filler metals with different content of gallium were studied.
在数控真空钎焊炉中进行钎焊试验，由于施加压力的不同，得出钎缝厚度不同的焊接试件。
The brazing experiment is finished in vacuum furnace, the brazed joints with different filler metal thickness are obtained by different pressure on them.
该钎料不仅具有较好的填缝能力，同时获得的钎缝接头具有良好的高温强度和抗冲击性能。
This kind of brazing filler metal had a good filling performance, at the same time, sound high-temperature strength and impact toughness can be obtained in the joint.
该钎料不仅具有较好的填缝能力，同时获得的钎缝接头具有良好的高温强度和抗冲击性能。
This kind of brazing filler metal had a good filling performance, at the same time, sound high-temperature strength and impact toughness can be obtained in the joint.
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