试样表面镀锡使ADI的抗拉强度和伸长率下降,镀锡层不能有效防止ADI的水脆化。
Soldering on ADI surface decreased the ADI tensile strength and elongation, and solder coating could not prevent from water embrittlement.
材质为T2紫铜料表面镀锡,保证了可靠的导电率,端头尾部内孔有螺纹线,绝缘套为硬质,不断裂,不回弹。
They are tinned T2 copper which assure the credible conductivity. There is thread in the inner hole of the afterbody of terminals, the insulation covering is hard, there is no break no rebound.
对测定镀锡板表面涂油量的测定方法进行了综述,这些方法包括重量法、亲水天平法、分子光谱法和椭圆偏振法等。
Methods for determination oil volume on tin plate surface were reviewed, which include gravimetry, hydrophil balance method, molecular spectrometry and ellipsometry etc.
采用电化学等方法研究了硫酸镍和水合肼对化学镀锡层厚度及表面形貌的影响。
The effect of nickelous sulfate and hydrazine on thickness and appearance of electroless tin coatings were studies by electrochemical methods.
结果表明,随着时间延长,温度上升,镀锡层表面晶粒不断增大,粗糙程度也随之增加。
The variation of the surface morphology of the tin coating with time and temperature is also studied.
铝活塞的表面常常镀锡,以便在发动机开始运转阶段能进行适当的磨合。
Often, aluminum pistons are tin-plated to allow proper break-in when the engine is started.
研究了化学镀锡预镀溶液的组成和工艺条件对镀层厚度和表面形貌的影响。
The effects of the composition and technological conditions of electroless tin preplating bath on the thickness and morphology of the coatings are investigated.
研究了化学镀锡溶液组成和工艺条件对镀层表面形貌的影响。
The effects of the composition and controlled conditions of electroless tin plating on the morphology of coatings are investigated.
某些焊锡膏对于镀锡表面具有良好的效果,但对裸铜osp的焊接效果则很差。
Some pastes do well with tinned surfaces but solder poorly bare copper OSP.
镀锡板就是在冷轧板的表面电镀一层均匀致密的锡层。
Tinned sheet is cold rolled sheet whose surface is electroplated with a layer of uniform and dense tin.
玻璃纤维表面化学镀锡镍前的预处理工艺主要包括除油、粗化、敏化、活化等。
A pretreatment process before the surface of the glass fiber is plated with tin and nickel mainly comprises the following steps of: deoiling, coarsening, sensibilizing, activating, and the like.
一种活塞环及其表面松孔镀锡工艺。
The invention relates to a piston ring and a surface spongy tin plating technique thereof.
表面淬火钢,铜、铝合金薄板,带钢,硬质合金钢,镀锌,镀铬,镀锡,材料表面热处理和化学表面处理的各种金属材料。
Surface hardened steel, copper, aluminum alloy sheet, hard alloy steel, zinc layers, chrome layers, tin layers, surface heat treating and chemical treating materials, etc.
本发明涉及一种镁或镁合金表面热浸镀锡及锡基合金的方法,属于镁合金表面处理领域。
The invention relates to a magnesium or magnesium alloy surface hot-dip tinning or tin base alloy method, belonging to the magnesium alloy surface treatment field.
适用范围表面淬火钢,铜、铝合金薄板,带钢,硬质合金钢,镀锌,镀铬,镀锡,材料表面热处理和化学表面处理的各种金属材料。
Usage Range: Surface hardened steel, copper, aluminum alloy thin sheet, hard alloy steel, zinc layers, chrome layers, tin layers, surface hardened treating and chemical treating materials, etc.
电镀锡板弧表面抗划伤性近来受到越来越多的重视,但至今对此尚无统一的标准测试方法。
The scratch resistance of tinplate has attracted more attention recently. However, there is no standard test method for evaluating this kind of properties of tinplate so far.
镀锡:镀铜后在铜表面再镀上一层锡,大约3mil厚,在下工序中起到抗蚀保护线路的作用。
Tin plating: Immediately after copper plating, a thin layer(0003") of tin is electroplated on the surface of the copper. Tin will act as an etch resist in a future manufacturing process."
研究了化学镀锡预镀溶液的组成和工艺条件对镀层厚度和表面形貌的影响。
Release features and surface topography of coated urea with rosin and tung oil as film-forming materials;
结果表明 :该工艺镀液稳定 ,可用于电子元器件以及表面安装器件、印制电路板等铜基上化学镀锡。
It can be used for electroless tin plating on copper substrate in electronic element, surface mounting device and PCB.
结果表明 :该工艺镀液稳定 ,可用于电子元器件以及表面安装器件、印制电路板等铜基上化学镀锡。
It can be used for electroless tin plating on copper substrate in electronic element, surface mounting device and PCB.
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