Si3N4

Then the growth mechanism of TiN / Si3N4 films was studied .

采用扫描电子显微镜（SEM）分析了薄膜的表面形貌，并初步探讨TiN/Si3N4纳米复合超硬薄膜的生长机理。

Atmosphere affects Cu corrosion resistance of Si3N4 / SiC greatly .

环境气氛对Si3N4／SiC抗铜熔体侵蚀性能有显著影响。

Improvement of si3n4 / 40cr steel joint strength by pressure brazing

压力钎焊改善Si3N4/40Cr钢接头强度的试验研究

Si3N4 - based ceramics were recently used for machining cast iron at very high speeds .

近年来Si3N4基陶瓷刀具在铸铁的切削加工中已得到较为成功的应用。

Impact of residual oxygen on hardness of nano structured tin + si3n4 film

残余氧对TiN+Si3N4纳米复合薄膜硬度的影响

The buffer mechanism in the Si3N4 / 40Cr steel joint was analyzed .

分析了Si3N4／40Cr钢钎焊接头缓冲层机制。

However , the electrical structure and optical properties of Si3N4 have not been investigated in detail by the first principles theory .

目前对氮化硅材料的电子结构和光学性质的第一性原理研究较少，特别是碳掺杂的氮化硅材料的第一性原理研究更少。

Cryolite corrosion resistance of Si3N4 / SiC is very excellent in air atmosphere .

在970℃的空气介质中，si3N4/SIC具有优异的抗冰晶石侵蚀性能。

The addition of Si3N4 reduces the oxidation of carbon fibers and increases the burning erosion resistance .

同时，由于氮化硅减缓了碳纤维的氧化，可以提高材料的抗烧蚀性能。

His paper presents the production technique of Si3N4 / SiC composite powder by carbothermic reduction of silica .

研究了添加晶种的碳热还原SiO2法制取Si3N4／SiC复合粉末的工艺。

By applying double beam optical stimulation , ultrafine and amorphous Si3N4 nano-powder can be obtained .

采用双光束激发制备得到了超微非晶纳米氮化硅粉体。

Silicon nitride ( Si3N4 ) particulate challenge wafers were used for the PRE tests .

氮化硅（Si3N4）粒子污染的晶片被用以进行粒子去除效率测试。

The density-controlled Si3N4 ceramic was synthesized by half aqueous gel-casting method using starch as template .

本文以淀粉为模板剂，研究了半水基注模凝胶技术制备变密度氮化硅陶瓷材料的方法。

During the friction and wear test at various sliding distances , Si3N4 worn surface changed from rough to smooth gradually .

通过摩擦磨损试验，发现氮化硅与灰铸铁配副在硅酸钠缓蚀液润滑下，氮化硅磨损表面由于发生摩擦化学反应而变得超光滑；

Among them , ceramic bearing material is mainly zirconia ( ZRO2 ) and silicon nitride ( SI3N4 );

其中，陶瓷轴承材料主要为氧化锆（ZRO2）和氮化硅（SI3N4）；

The moisture-absorption mechanism of SiO2 / ( Si3N4 + BN ) composite is discussed in this paper .

本文分析了SiO2/（Si3N4+BN）复合材料的吸潮机理。

The behaviors of impact resistance and armour pierced-resistance of Si3N4 / BN laminated ceramics were studied .

研究了Si3N4／BN层状复合陶瓷的抗冲击破坏及抗穿甲破坏行为。

SiO2 / ( Si3N4 + BN ) composite , a high performance hypersonic missile radome material , has been developed recently .

SiO2/（Si3N4+BN）复合材料是近几年发展起来的综合性能优良的适用于高马赫数的导弹天线罩材料。

The effects of h-BN content on the fracture behavior and toughness of the h-BN / Si3N4 ceramic composites were investigated .

研究3h-BN含量对h-BN/Si3N4陶瓷复合材料断裂韧性及其断裂行为的影响。

Between 1773 ~ 1873K , α - Si3N4 / β SiC nano composite structure was formed from the solid phase separation .

在1773～1873K，由固相分离形成α－Si3N4／β－SiC纳米复合结构。

Armour Pierced-Resistance Behavior of Si3N4 / BN Laminated Ceramics

Si3N4/BN层状复合陶瓷抗穿甲破坏实验研究

The reinforcing mechanisms and their orientation effect of discontinuous elongated reinforcements in ceramic matrix are observed by SEM for Si3N4 matrix composites .

对不连续细长相在陶瓷基体中的增韧机制及其方位角效应进行了实验观察。

The influence of current density , ion energy , the ratio of area Ti to Si on the microhardness of TiN / Si3N4 films were studied .

研究了辅助束流、轰击能量和Ti/Si靶面积比等工艺参数对TiN/Si3N4纳米复合超硬薄膜性能的影响。

The friction coefficient decreased while the specific wear rate of C + - Si3N4 / Si3N4 increased with an increase in the normal load and sliding speed .

C+-Si3N4陶瓷可降低表面摩擦系数和磨损率，随着法向载荷和滑行速度的增大，摩擦系数呈降低趋势。

While discussing the principle of microwave joining , this paper introduced detailedly the characteristic and technology to microwave joining of Al2O3 、 Si3N4 、 SiC ceramics .

本文在讨论微波加热焊接的原理同时，对微波焊接Al2O3、Si3N4、SiC陶瓷的焊接特性及工艺进行详细介绍。

The productive technology and productive flowsheet of Si3N4 bonded SiC kiln furniture materials were introduced in this paper , and the serving situation has been investigated .

阐述了氮化硅结合碳化硅窑具材料的生产技术、生产工艺流程及使用情况。

After the 25-hour corrosion experiment , cryolite only penetrated into Si3N4 / SiC slightly . No corrosion phenomenon was observed .

25小时后冰晶石熔体仅轻微渗入Si3N4/SIC，没有侵蚀现象发生。

A Ni / Si3N4 ( w ) nanocomposite was fabricated by co-electrodeposition and its mechanical properties and superplasticity were investigated .

采用复合电沉积技术制备了Ni/Si3N4（w）纳米复合材料，并对其力学性能和超塑性能进行了研究。

The purity of c – Si3N4 reached 100 % after the recovered samples were treated with hydrofluoric acid at 440 K for 9 ― 10 h.

回收样品在440K左右经9～10h与氢氟酸反应处理后，c–Si3N4粉体的纯度接近100%。

The effect of Additives ( Si3N4 , C , La2O3 ) on the microstructures and the mechanical properties of RBSN is investigated in this paper .

本文较系统研究了添加剂si3N4、石墨及La2O3对反应烧结氮化硅的显微结构和性能影响。