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laser ceramic
相关语句
  激光陶瓷
     RF CO_2 laser ceramic substrate scriber
     射频CO_2激光陶瓷基板划片机
短句来源
     Study on Nd∶YAG Transparent Laser Ceramic Materials Prepared by the Homogeneous Precipitation Method
     均相沉淀法制备Nd∶YAG透明激光陶瓷材料研究
短句来源
     It is pointed out that Nd∶YAG laser ceramic would possibly take the place of the position of Nd∶YAG laser crystal in the coming years.
     最后指出,Nd∶YAG激光陶瓷很可能在未来几年会取代Nd∶YAG激光晶体的地位。
短句来源
     Design of beam delivery system for RF CO_2 laser ceramic substrate scriber
     射频CO_2激光陶瓷基板划片机光路设计及分析
短句来源
     The design of beam delivery system of RF CO_2 laser ceramic substrate scriber
     射频CO_2激光陶瓷基板划片机光路设计及分析
短句来源
更多       
  激光陶瓷的
     And then,the category of laser ceramic,laser active ion,laser spectrum characteristic and the method of making laser ceramic are introduced respectively.
     接着分别介绍了激光陶瓷的种类、激光离子、光谱与激光特性和激光陶瓷的制备方法。
短句来源
     In this paper,polycrystalline Nd~(3+)∶Gd_3Ga_5O_(12)(Nd~(3+)∶GGG) nanopowders for transparent laser ceramic were synthesized by sol-gel method.
     采用溶胶-凝胶法合成了用于制备掺钕的钆镓石榴石(Nd3+∶Gd3Ga5O12)透明激光陶瓷的多晶纳米粉体。
短句来源
     PROGRESS IN TRANSPARENT POLYCRYSTALLINE ALUMINUM-YTTRIUM GARNET LASER CERAMIC
     钇铝石榴石透明激光陶瓷的研究进展
短句来源
     The research development of laser ceramic is stated simply. As solid laser material,laser ceramic has showed its potential advantages in comparison with the normal laser crystal and glass used now.
     简要评述了激光陶瓷的研究进展,作为固体激光工作物质,已显示出较目前常用的激光晶体和激光玻璃具有潜在优势。
短句来源
  “laser ceramic”译为未确定词的双语例句
     Powder Research in Transparent Polycrystalline Borate Laser Ceramic
     硼酸盐激光透明陶瓷粉体的研究
短句来源
     Development of laser ceramic alloyed plunger.
     激光熔覆金属陶瓷柱塞的研制
短句来源
     The micro-holes with 40(m diameter and 25(m deepness are obtained. The results give the fundamental data for KrF laser ceramic processing.
     为KrF激光对该材料的加工提供实验数据。
短句来源
     The latest research, the foreground of its application and the development of transparent YAG laser ceramic are also reviewed.
     最后,展望该领域的发展前景及今后的研究趋势。
短句来源
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The ceramic coatings of Fe-base alloy clad on 20 steel were studied by using a high power CO2 laser. The results show that the structure of ceramic coating was changed and its hardness wasincreased with the increment of TiC content in precoating. Meanwhile, because of TiC content increasehot stress was increased and wettability was decreased thus lead to the decrease of interface bindingstrenth. Methods for improving binding strength of the interface between laser ceramic coating andmetal matrix were proposed...

The ceramic coatings of Fe-base alloy clad on 20 steel were studied by using a high power CO2 laser. The results show that the structure of ceramic coating was changed and its hardness wasincreased with the increment of TiC content in precoating. Meanwhile, because of TiC content increasehot stress was increased and wettability was decreased thus lead to the decrease of interface bindingstrenth. Methods for improving binding strength of the interface between laser ceramic coating andmetal matrix were proposed

研究了在20钢表面激光熔覆不同TiC量的金属陶瓷涂层。结果表明,随着涂层中TiC量的增加,金属陶瓷涂层组织特征发生变化,硬度增加。同时也使涂层热应力增加,导致涂层与基体润湿性差,结合强度降低。最后提出了改善界面结合强度的措施。

This paper is a stage report of the research on new laser ceramic alloying pistion ring.Laser alloying of C Si B RE+WC on nodular cast iron using CO 2 laser has been made.The microstructure and characteristics of the strengthened layers have been analyzed and the wear resistance experiments on the laser alloying treated samples have been done.The results demonstrate that laser eutectic alloying of C Si B RE+WC on nodular cast iron is able to achieve satisfying layers with...

This paper is a stage report of the research on new laser ceramic alloying pistion ring.Laser alloying of C Si B RE+WC on nodular cast iron using CO 2 laser has been made.The microstructure and characteristics of the strengthened layers have been analyzed and the wear resistance experiments on the laser alloying treated samples have been done.The results demonstrate that laser eutectic alloying of C Si B RE+WC on nodular cast iron is able to achieve satisfying layers with high hardness and wear resistance which are free of cracks.The tribological experiments on different alloying test blocks with GCr15 steel test piston rings have also been made and the results show that on the condition that WC dissolves completely,the laser alloying layer with 15%WC in its coating is able to achieve the best wear resistance.

本文是研制新型激光陶瓷合金化活塞环的阶段研究报告。采用CO2 激光器对球墨铸铁表面的C Si B RE +WC涂层进行了激光合金化处理。研究了强化层的显微组织和性能 ,并对激光处理的试样进行了耐磨性试验。结果表明 ,对球墨铸铁表面的C Si B RE +WC涂层进行激光处理可获得硬度高、耐磨性好、没有裂纹的强化层。在环块式磨损试验机上用不同合金化涂料的试块对GCr1 5钢试环进行了摩擦学试验。结果表明当WC完全溶解时 ,涂料中加入 1 5%WC的激光合金化层具有最佳耐磨性能。

The plunger of the high-pressure plunger pump for oilfield waterflood usually runs under bad working conditions. The common ceramic welded plunger has unsatisfactory wear- and corrosion-resistance owing to microcosmic gaps and cracks in the coating and coating-matrix interface. Therefore a laser ceramic alloyed plunger is developed. The compositions of the coating are C-Si-B-Re eutectic alloy powder adding 30% WC powder and 2.5% TiC powder. The power output of the laser is 20004000W the diameter...

The plunger of the high-pressure plunger pump for oilfield waterflood usually runs under bad working conditions. The common ceramic welded plunger has unsatisfactory wear- and corrosion-resistance owing to microcosmic gaps and cracks in the coating and coating-matrix interface. Therefore a laser ceramic alloyed plunger is developed. The compositions of the coating are C-Si-B-Re eutectic alloy powder adding 30% WC powder and 2.5% TiC powder. The power output of the laser is 20004000W the diameter of the focusing light spot is 3.5mm scanning speed is 0.150.20m/min and the overlap coefficient of the scanning strip is 0.3~0.4. Field test shows that the mean service life of the laser ceramic alloyed plunger reaches 2700h 46 times of that of spray welded plungers.

油田注水用高压柱塞泵柱塞服役工况恶劣,常用的喷焊Ni60+镍包WC金属陶瓷柱塞因涂层中及涂层与基体界面存在微观空隙和裂纹,易造成涂层块状剥落甚至大面积剥落,使涂层的设计性能未能充分发挥。研制的激光熔覆金属陶瓷柱塞,熔覆合金的优化组分是:C-Si-B-Re共晶合金粉末中加入30%WC粉末和25%TiC粉末;激光器窗口输出功率为2000~2400W,聚焦光斑直径35mm,扫描速度015~020m/min,扫描带搭接系数为03~04。现场试验表明,激光熔覆金属陶瓷柱塞的平均使用寿命达2700h,是喷焊柱塞的4~6倍。

 
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