thermal stress is one of the main reasons affecting on the boron carbide pin rupture when it is used in nuclear reactors.

热应力是碳化硼芯块在核反应堆使用中破裂的重要原因之一。

boron carbide nanotubes(nano-fibers) was prepared by boron powder and carbon nanotubes(cnts) at high temperature in a quartz tube after being vacuumed.

以碳纳米管为原料，利用真空封管技术在高温下用硼粉对碳纳米管进行掺杂处理，获得了碳化硼纳米管（纤维）。

the reunion reason of boron carbide submicron powders in manufacturing process was analyzed, spray drying and airflow crash were adopted to deal with the materials.

对碳化硼超细微粉在干燥时的硬团聚现象进行了分析，并分别采用喷雾干燥和气流破碎两种方法对物料进行处理。

it is prepared through mixing ti powder, re hexaboride, boron carbide and alloying elements;

按照各组分的重量百分比称取钛粉、稀土六硼化物、碳化硼、合金化元素；

following the choice of the materials, taking zl205a alloy as the matrix and boron carbide as the reinforcement, the experiment was carried out in air by the stir-furnace.

经过广泛调研和充分的论证，本研究选取zl205a合金作为基体，碳化硼颗粒作为增强体，采用搅拌复合的方法在空气状态下制备出用于实验的复合材料。

the nano tribological friction coefficient of boron carbide increases with the normal load rising.

硼 材料纳米摩擦因数随载荷的增加而显着增加。

the charts of afm show that the thin films are compact and smooth, the rms roughness of the boron carbide thin film rises gradually with increasing substrate temperature.

afm结果表明，薄膜表面光滑平整、均匀致密，随着衬底温度的升高薄膜均方根（rms）粗糙度逐渐增大。

results obtained show that vacuum plasma spraying is a suitable method to deposit boron carbide coating.

结果表明，真空等离子喷涂是制备碳化硼涂层较为合宜的方法。

the structure and major properties of boron carbide, preparation methods of boron carbide coating and application status and prospect were reviewed.

综述了碳化硼材料的基本结构、主要性能参数、各种制备碳化硼涂层的方法以及碳化硼涂层的应用现状和前景。

the experimental results showed that boron carbide appeared to be a new kind of corrosion-resisting and wear-resisting materials.

同时碳化硼材料也是一种抗腐蚀、抗磨损的新材料。

boron carbide coatings were deposited via vacuum plasma spraying, and then their microstructure, phase composition, hardness and bonding strength were examined.

研究了等离子喷涂碳化硼涂层在不同能量密度的激光辐照下的耐热沖击与热蚀行为。

boron carbide can be obtained by means of thermal decomposition of triethylborane, tripropylborane and tributylborane, respectively.

以合成的三乙基硼、三丙基硼和三丁基硼为原料通过热裂解制备纯度较高的碳化硼超硬材料；

in this paper using the vacuum hot-pressed sintered technology boron carbide ceramics is prepared with the sintered catalyst of al2o3 and c.

以氧化铝、活性碳为烧结助剂，以碳化硼为基体、采用真空热压烧结技术制备碳化硼陶瓷。

influence of the rare-earth oxide on the properties of boron carbide ceramics;

研究了重稀土氧化物对钯催化剂活性的影响。

for pure titanium powder, boron carbide powder system just complete a stage of work, the sintering process has yet to be further studied.

对于纯钛粉、碳化硼粉末体系，只完成了阶段性的工作，烧结工艺的研究还有待于进一步进行。

the new approach evaluated boron carbide coating was introduced, and the measures of improving the performances of boron carbide coating were summed up.

探讨了评估碳化硼涂层的新方法，总结了改善碳化硼涂层的途径。

the main methods for manufacturing boron carbide coating were given, and the advantages and disadvantages of these methods were pointed out.

讨论了制备碳化硼涂层的主要方法，指出了各种制备方法的优缺点。

the activated sintering kinetics of boron carbide with carbon as activator were also researched, the results showed that the main transport mechanism was grain boundary diffusion.

研究了掺碳碳化硼烧结动力学，得出其物质迁移机制主要为晶界扩散。

the effect of raw material powder on the sintered properties of boron carbide was investigated.

研究了原料粉末对碳化硼陶瓷常压烧结性能的影响。