研究采用铸渗法制备三元硼化物硬质合金覆层钢基材料。
The preparation of ternary boride hard alloy cladding layer on steel substrate is studied.
当硼含量较高、冷却速度较慢时，硼化物存在于枝晶干。
When the boron content is high and the cooling rate is relatively low, boride can exist at the dendrite arm.
在同样的氧化条件下，六硼化铈在空气中比六硼化镧容易氧化。
It seems that cerium hexaboride is more easily oxidized than lanthanum hexaboride under the same oxidation conditions.
研究以硼化物为耐磨相的新型耐磨白口铸铁的组织特点与力学性能。
The microstructure and mechanical properties of a new type wear-resistant white cast iron with the boride as wear-resistant phase were investigated.
探讨了热浸扩散渗铝复合渗硼中的硼化物的形成机理及硼的迁移机制。
The mechanism of both forming boride and transferring of boron in the aluminized and then boromized layer were discussed.
其中活性硼原子对渗层生长速率的贡献大于气态硼化物分解的硼原子。
It is proved that the activated boron atoms decomposed by boriding medium are more than those decomposed by gaseous boride.
本文就反应硼化烧结法的理念，新型硬质合金的种类、性能和应用做综述。
The concept of reaction boronizing sintering technique, properties, kinds and applications of new type cemented carbide are reviewed.
同时，硼化物覆盖了表面酸中心，堵塞了孔道，因而提高了反应的选择性；
At the same time, boride thus formed covered the surface acid sites and blocked the pores and channels, leading to higher para-selectivity.
精细陶瓷一般以氧化物、氮化物、硅化物、硼化物、碳化物等为主要原料。
The raw materials: break through the traditional boundaries of using clay as raw materials, fine ceramics' raw materials are generally oxides, nitrides, silicides, borides, carbides etc.
通过金相照片可见在二硼化钛含量较低时，各增强相在基体中分散较均匀。
We can find each reinforcement phase in the matrix is more uniform dispersion by Metallographic photos when the content of TiB2 is lower.
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；
It is prepared through mixing Ti powder, RE hexaboride, boron carbide and alloying elements;
碳纤维是硼化钛涂层材料的增强剂之一，对硼化钛阴极涂层的性能影响很大。
The carbon fiber is the main reinforcer for titanium diboride coating material, and greatly influence the properties of titanium diboride coating cathode.
在真空烧结炉中通过原位反应液相烧结工艺制备出三元硼化物基金属陶瓷覆层。
Ternary boride based cermet cladding material was prepared by in situ reaction and liquid phase sintering technology in vacuum furnace.
硼、碳分别是决定硼化物和基体的重要元素，其含量对组织和性能起决定作用。
Boron and carbon are the important elements that can decide boride and matrix respectively, and their contents affect the microstructure and properties of the HBIA greatly.
采用真空液相烧结法，在Q 235钢表面制备三元硼化物基金属陶瓷覆层材料。
A ternary boride cermet clad material was fabricated on the Q235 steel substrate by means of the vacuum liquid phase sintering technique.
论述了不同制备方法中分别以碳化物和硼化物为增强相的钛基复合材料的微观组织。
Microstructures of carbide and boride reinforced respectively titanium alloy matrix composites by different fabrication methods were reviewed.
测试结果表明，沉积六硼化镧薄膜后的二极管发射性能与纯硅尖相比具有明显增强。
The results show that thin film with deposition of LaB6 in the diode can markedly improve the emission properties compared with pure silicon tip.
电子显微镜观察与分析表明，晶界上的薄膜状硼化物是导致合金缺口敏感的主要原因。
Analysis and observation under electron microscope indicated that it seems to attribute the notch sensitivity of the alloy to the film-like boride along the grain boundaries substantially.
另一个增强涡流固定效果的方法是加入第二种材料的小颗粒，例如氧化钇或是二硼化钛。
Another method of increasing vortex pinning involves adding microscopic inclusions of some second material such as yttrium oxide or titanium diboride.
在低磁场下，硼化镁的临界电流密度与三铌化锡相当，但是在较高的磁场下却下降得很快。
The critical current density of pure MgB2 is comparable to that of triniobium tin at low magnetic fields but falls off much more rapidly at higher fields.
反应硼化烧结法制备的三元复合硼化物基新型硬质合金，具有优良的物理、化学、力学性能。
New type cemented carbide of ternary complex boride base prepared by reaction boronizing sintering technique has excellent physical, chemical and mechanical properties.
微波场下的渗硼层形成所需的硼原子来源于介质分解的活性硼原子和气态硼化物分解的硼原子。
The activated boron atoms come from the boron atoms which decomposed by boriding medium and gaseous boride.
结果表明：在给定实验条件下，渗硼层组织致密，硼化物呈针齿状楔入基体，与基体结合牢固；
The results show that, in the given conditions, the microstructure of boronizing layer is dense, boride wedged base in the shape of spider, which combines with base firmly;
以高铁酸钡为正极材料，二硼化钛为负极材料，碱性氢氧化钾溶液为电解质构成了一次性碱性电池。
Primary alkali battery was constituted with cathode of barium ferrate, anode of titanium diboride and KOH solution as electrolyte.
使用硼化物、丙三醇和长链脂肪酸合成了一种油溶性含硼抗磨添加剂，测试了它的抗磨及防锈性能。
A new type of boron containing anti wear additive has been synthesized from boride, propanetriol and long carbon chain fatty acid.
一些处理参数会导致在硼化物层上形成硼-碳层，它将起着扩散垒的作用，阻止了硼化物进一步的生长。
Some treatment parameters led to boron carbon coating above the boride layer which ACTS as a diffusion barrier and prevents a further growth of the boride layer.
通过实验，建立了一整套低硼钢中固溶硼、碳硼化物、合金元素硼化物、氧化硼和氮化硼的分离、测定方法。
A entirely set of method to separate and determine solid solution boron, carbon boride, alloy elements boride, boron oxide and boron nitride in low boron steel is established.
通过实验，建立了一整套低硼钢中固溶硼、碳硼化物、合金元素硼化物、氧化硼和氮化硼的分离、测定方法。
A entirely set of method to separate and determine solid solution boron, carbon boride, alloy elements boride, boron oxide and boron nitride in low boron steel is established.
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