硼化物

Cr及RE元素对硼化物层脆性的影响

The effect of chromium and RE elements on the brittleness of the boride layer

Mo2FeB2复合硼化物的特性与应用

Characteristics and application of mo_2feb_2 composite boride

ZrO2增韧Al2O3－硼化物陶瓷性能研究

Study on ZrO_2 Toughness and Boride Ceramics

SHS法制备硼化物陶瓷粉体的表征分析

Characterization of Boride Ceramic Powders Prepared by SHS

借助于扫描电镜（SEM），观察了高倍下硼化物层、过渡区和表面的形貌；

The high magnification morphology of boride layer , transition zone and surface were observed by means of scanning electron microscopy ( SEM ) .

在硼含量对冲击韧性的影响方面，研究了硼化物的析出与αk值的关系。

For the aspect of the boron effect on the impact toughness , the relation between the rule of boride appearance and α k would be impaired .

富铁硼化物t-Fe3B的价电子结构分析

Analysis of the valence electron structures for the Iron Boride t-Fe_3B

硼化物在液态Zn、Al和ZnAl液中的腐蚀是硼化物的均匀溶解过程，没有出现择优腐蚀。

The corrosion mechanism of boride layer in molten Zn , Al , Zn-Al alloy is homogeneous dissolution . The selective corrosion does not occurred for boride layer .

夹在Fe2B晶粒之间的齿间组织粗糙不平，是基体合金元素和B元素结合生成的硼化物，这些硼化物紧密的附着在Fe2B晶粒上。

Alloy elements are combined with substrate to form dentate boride . It is found that the dentate structure is composed of B and other alloy elements and located between Fe_2B grain and adhere to the Fe_2B grains .

试样在固溶处理后水冷甚至冰盐水冷却时都观察到奥氏体晶界有碳硼化物Fe（23）（C，B）6析出，快速冷却时沿晶界析出的化合物呈薄板状，易溶于酸。

It was found that the carbon-boride Fe_ ( 23 )( C , B ) _6 precipitates out along the austenitic grain boundary of solid solution treatment specimen after water cooled even in iced salt water .

随着Cu含量的增加，有效地细化了晶粒，并且抑制了硼化物的析出，〈K〉明显减小。

And with increasing content of Cu , which effectively refined the grains and retarded the formation of borides at x ≥ 1 , a clear drop tendency of 〈 K 〉 was observed .

检测结果表明，（La0.55Ba0.45）B6与（La0.4Eu0.6）B6阴极材料的性能明显优于原单一稀土硼化物LaB6阴极材料。

The testing results showed that its electric property is superior to that of LaB_6 cathode material .

类MgB2硼化物晶体电子结构比较研究

Comparative study on electronic structures of MgB_2-like borides

还发现少量硼化物，Laves相和一次γ′相，它们往往与MC碳化物伴生存在，粉末颗粒中相析出特征与其成分，凝固条件、显微组织密切相关。

Minor phases , such as Laves , primary γ ' and boride are also present , and they exist as associated with carbides .

用熔铸法制备了硼化物颗粒增强钛基复合材料，通过XRD和SEM，详细研究了含铝量变化时合金的相组成及硼化物的形态和存在方式的变化规律。

Boride particles reinforced titanium alloy matrix composites were prepared by using melting casting method . The phase constitutes and morphologies of borides varying with Al content were investigated by using XRD and SEM techniques .

用液相烧结工艺在1270℃-1290℃下真空烧结成功制备出A3钢用三元硼化物基金属陶瓷覆层材料。

A3 steel used ternary boride laminated material has been fabricated successfully at the temperature of 1270 ℃ - 1290 ℃ in vacuum using liquid sintering technique .

在600℃热处理过程中涂层中非晶相完全晶化，晶化析出相主要为富Fe相和Fe23（C，B）6等硼化物硬质相。

The amorphous phase will complete crystallization after heat treatment at 600 ℃ and the predominant crystalline phases precipitated were Fe rich phase and Fe23 ( C , B ) 6 hard phase .

钢球磨痕表面的AES分析结果表明，有机硼化物减摩剂主要是通过在摩擦表面分解形成含硼的氧化物膜而起减摩作用。

The results of AES analysis of the frictional surface indicated that the friction reducing agent decomposes to form a film containing boron oxide on the frictional surface to give the friction-reducing properties .

根据三元硼化物金属陶瓷硬质覆层材料6B的制备工艺，研究了该硬质覆层材料界面过渡层的形成机理。

Basing on the fabrication technology of ternary boride cermets cladding material ( 6B ) , its interface formation mechanism is studied .

富硼稀土硼化物NdB6的高温高压合成

Synthesis of boron rich boride NDB 6 under high pressure and high temperature

用此渗剂对45钢进行950℃×4h渗硼处理，可获得159μm的双相硼化物层。

With this agent , a double-phase boride layer of 159 μ m can be formed on the surface of steel 45 at 950 ℃ for 4 hours .

近缝区出现两种类型的硼化物，其Ni和Mo原子比分别近似为1∶1和1∶2，形貌和分布随保温时间不同而变化。

There are two kinds of borides formed in the near seam zone , with different Ni ∶ Mo ( at % ) . The appearance and distribution of the borides will change for different keeping time at the brazing temperature .

实验结果表明，CF硼处理后可以明显提高纤维的模量，适当控制硼化物溶液浓度，可以同时提高强度。

Results showed that both the Young 's modulus and the tensile strength of CF can be improved significantly at the same time by the method of boron doping with a special concentration of boride solution .

用反应烧结法在A3钢表面制备了三元硼化物基硬质覆层材料YF1，其硬度可达82～90HRA。

Boron based ternary ceramic YF 1 with a hardness in range of 82 90 HRA was fabricated on the steel A3 surface by sintering under the temperature of 1200 ~ 1300 ℃ .

主要研究了K3合金钎缝中加入合金粉后组织的变化，尤其是硼化物的变化，并讨论了合金粉的作用和加入方式。

Change of K3 superalloy joint microstructure especially boride phases was investigated in this paper . The function and adding method of alloy powder were also discussed .

通过对NiB钎料在1220℃保温不同时间钎焊IC6合金接头显微组织的分析，研究了钎缝中γ+γ′组织及近缝区硼化物的形成和变化。

The brazing joint microstructure of IC 6 superalloy using Ni B alloy at 1220 ℃ for different heating time was investigated .

用橡胶酒精溶液调制原料粉末成为料浆，采用喷涂法喷涂在45钢基体上，经真空烧结成功制备出三元硼化物基耐磨涂层材料，其表面三元硼化物基涂层的硬度HRA为84。

A ternary-base wear resistance material was developed on steel 45 by spray coating with the surface hardness of 84 HRA . The raw powders were dissolved in rubber ethanol solution .

Ti-Al-B合金中铝含量对硼化物的存在方式和形态的影响

Influence of Al content on constitutes and morphologies of borides in Ti-Al-B alloys

结果表明：不同钎焊工艺参数下的钎缝均由钴基固溶体、碳化物M23C6、硼化物M3B2+钴基固溶体共晶，以及块状及颗粒状碳化物MC组成。

The results showed that joints , with similar compositions , were made up with cobalt-based solution , M23C6 , eutectics of M3B2 + cobalt-based solution and small block of MC .

原位反应合成Mo-Ni-B系三元硼化物熔覆层的研究

In-situ synthesis of Mo-Ni-B ternary boride cladding