Research on Enhancing the Contact Fatigue Strength of Cast Iron Machine Elements with Alloy Coating and Alloying
表面合金镀层和合金化提高铸铁机械零件接触疲劳强度研究
The technique of producing metal matrix composite include powder metallurgy, casting (including stirring casting process, in situ contact reaction process, liquid-phase metal infiltration process, co-spray deposition forming process), reaction mechanic alloying process.
制备金属基复合材料的工艺分为粉末冶金法、铸造法（铸造法细分为搅拌铸造法、原位接触反应法、液相浸渗法、共喷射沉积法）、反应机械合金化技术。
This paper presents a good ohmic contact of P-InP/AuSb + AuZn + Au prepared by Nd-YAG pulse laser irradiation instead of thermal alloying.
本文报道用Nd-YAG脉冲激光辐照代替热合金化制备了性能良好的P-InP/AuSb+AuZn+Au欧姆接触。
Process techniques of fabrication ohmic contact on p-type GaP layer were improved and many batches of LED's which have lower contact resistance around 1 × 10-3 Ω· cm3 and good ⅰ - ⅴ characteristics were made by alloying in temperature range from 540 ℃ to 560 ℃.
进而，改进了在p-GaP外延层制备欧姆电极的工艺技术，在540℃-560℃温度范围内制得多批I-V特性好、大约1×10~3Ω·cm~2低接触电阻的发光二极管。
Experimental results indicate that Si-Ga replacement diffusion is the essence to obtain a good ohmic contact to n-typs GaP under the optimum alloying condition.
实验结果表明，在最佳微合金条件下，Si-Ga替位扩散是获得良好欧姆接触的实质。
The future tendency on contact wire includes the development and preparation multi-micro-alloying and compound contact wire as well as innovative owned-processing technology.
多元微合金化、复合接触导线的研究与制备以及具有创新的国产化加工技术是接触导线今后的发展方向。
In this paper, the methods and theory of infiltration and mechanical alloying to produce Ag-W contact are recounted in detail.
详细叙述了制备银钨触头的熔渗法和机械合金化法，并对两种方法作了一些理论上的分析。
A good Ohmic contact of AuGeNi/n-InP and Au/AuGeNi/n-InP has been pre-pared by CW-CO_2 laser irradiation instead of thermal alloying.
利用CW-CO2激光辐照代替热合金化，制成了良好的AuGeNi/n-InP和Au/AuGeNi/n-InP欧姆接触。
ρ C_1 occurs between the contact metal and its underlying highly doped semiconductor layer (NDc) after alloying.
ρ（c1）是合金与其下在合金化后形成的高掺杂层间的比接触电阻。
Laser alloying on n-type GaAs by Q-switch ruby pulsed laser (6943A, 30ns) With energy desity 1.1-2.9J/cm2 is introduced The dependence of contact resistivity on laser energy density, carrier concentration, pulse number and alloy composition was investigated.
本文用调Q红宝石脉冲激光器(波长6943A、脉宽30ns)以1.1～2.9J/cm~2的激光能量密度，在N型GaAs上进行激光合金化研究，试验了不同GaAs外延层浓度、不同合金层组分、不同激光脉冲次数对欧姆接触电阻率的影响。
An Approach to PtSi Contact Alloying
PtSi接触合金化的一种方法
The nanocrystalline CuCr contact materials were prepared in vacuum by heat-pressing Cu-Cr alloying powers made from high energy milling.
采用高能球磨Cu－Cr粉并在真空中缓慢热压的方法制备了纳米晶CuCr触头材料。