氧化铝陶瓷

Nb2O5对氧化铝陶瓷烧结性能和显微结构的影响

Effect of Nb_2O_5 on sintering and microstructure of alumina ceramics

通过XRD分析得出，过渡金属氧化物在黑色氧化铝陶瓷中以混合的尖晶石结构存在；

It was identified by XRD analysis that transitional metal oxide exist in black alumina ceramics as the mixed spinel crystal structure .

~（57）Fe注入多晶氧化铝陶瓷的表面电性能和结构

Structure and Surface Electrical Properties of ~ ( 57 ) Fe-Implanted Polycrystalline Alumina

纳米α-Al2O3粉添加对氧化铝陶瓷性能的影响

Effect of Adding Nano-Sized α - Al_2O_3 Powder on Properties of Alumina Ceramic

文章介绍了一种新型的FeAl金属间化合物/氧化铝陶瓷复合材料。

In this paper a novel Fe Al intermetallic compounds / Al 2O 3 ceramic composite is presented .

在氧化铝陶瓷衬底上制备YBCO厚膜

The Fabrication Of YBCO Thick Film On Alumina Substrate

MgO和TiO2烧结助剂对凝胶注模成型氧化锆增韧氧化铝陶瓷性能的影响

Influence of MgO and TiO_2 on mechanical properties of zirconia toughened alumina ceramics formed by gel-casting technique

借助于SEM和XRD观察了铝合金表面氧化铝陶瓷层的生长特性，测定了铝合金表面陶瓷层的相组成。

The growth feature in high electric fields and phase composition of alumina ceramic coating on aluminum surface by SEM and XRD were investigated .

然而，氧化铝陶瓷的烧结温度和谐振频率温度系数τf，限制了它作为低温烧结基板材料的进一步发展。

However , the high sintering temperature and the temperature coefficient of resonant frequency (τ _f ) limited its farther development as low-temperature sintered substrate ceramics .

与纯氧化铝陶瓷相化，钛酸铝添加量为10%时，经750°C→10°C水中急冷，抗弯强度提高近50%

Bending strength of alumina ceramics with 10 % AT increase nearly by 50 % through rapid cooling from 750 ° C to 10 ° C , compared with the ceramics without AT .

给出了氧化铝陶瓷、微波陶瓷及PTC热敏陶瓷等几种电子材料的一些研究成果。

Presented are the research results of some electronic ceramic materials , including alumina ceramics and PTC thermal sensitive ceramics .

利用SiC和Al2O3纳米粉末在空气中通过反应烧结法制备了氧化铝陶瓷和氧化铝/0.96～8.72vol。

Alumina and alumina / 0.96 ￣ 8.72 vol. % mullite composites were fabricated by reaction sintering of SiC and Al2O3 nano-powder in air .

LY12铝合金表面氧化铝陶瓷层的生长过程

Growth of alumina ceramic coatings on aluminum matrix material surface

本文用简单的溶液原位生长法以纤维、铜网、氧化铝陶瓷管为模板合成ZnO纳米棒构成的分级结构。

Herein , the ZnO hierarchical structures were synthesized by the simple solution in-situ growth using fiber , copper network and alumina ceramic tube as template , respectively .

氧化铝陶瓷ELID高效磨削技术的研究

High-efficiency grinding of alumina ceramic parts with ELID Technology

Fe-Ni-Cr合金表面等离子喷涂氧化铝陶瓷涂层的阻氢性能

Hydrogen Resistance of Plasma-Sprayed Aluminum Coatings on Fe-Ni-Cr Alloy

MgB2等镁化物添加剂对氧化铝陶瓷晶粒生长形貌的影响

The effect of mgb_2 and other magnesia-based additives on the growth adn microstructure of alumina grains

用在线定量分析方法跟踪了不同烧结温度对利用铝型材厂废渣合成的氧化铝陶瓷的疲劳损伤过程的影响，同时结合试样的XRD和SEM分析结果，确定了影响氧化铝陶瓷疲劳特性的主要因素。

The fatigue damage process of alumina ceramics synthesized from waste alumina slag was quantitatively analyzed with system analysis method . The main impact factor on fatigue damage of alumina ceramics was determined by means of XRD and SEM .

改变稀释剂配比可得到Al2O3和Al2O3Cr2O3固溶体基复合材料，在稀释剂含量适当时，金属Cr相细小、均匀地分布于氧化铝陶瓷基体，尺寸达到亚微米级；

Al_2O_3 and Al_2O_3 - Cr_2O_3 solid solution matrix composites can be prepared by changing the dilutor proportion , in which with proper dilutor , fine Cr phase with sub-micron size can be uniformly distributed in the Al_2O_3 matrix .

应用TEM、SEM、WDX、EDX及选区电子衍射，对掺入0.1&0.5wt%MgO的微晶氧化铝陶瓷因固溶而形成的第二结晶相进行研究。

TEM , SEM , WDX EDX and selected area electron diffraction are used to study th secondary crystalline phase in Al_2O_3 ceramics containing 0.1 & 0.5wt % MgO as solid solution .

结果表明：纳米Al2O3粉加入可以提高氧化铝陶瓷烧结活性，降低烧结温度，线收缩率随烧结温度提高和纳米Al2O3粉含量增加呈上升趋势。

The results show that sintering characteristic of Al_2O_3ceramics may be improved and its sintering temperature decreased by using nano-Al_2O_3powder as an additive , linear shrinkage rate increases with the sintering temperature and content of nano-Al_2O_3powder rising up .

以该浆料为原料，采用凝胶浇注的方法成型氧化铝陶瓷，获得了显微结构极其均匀的素坯，经1600℃烧结2h，烧结体的相对密度>98%。

Green compacts with homogeneous microstructures were obtained by the gel casting method . Finally , Al2O3 bodies sintered at 1600 ℃ for 2h , with a relative dencity more then 98 % were fabricated .

实验发现，随着样品厚度的增加，氧化铝陶瓷的Hugoniot弹性极限呈下降趋势。

The Hugoniot Elastic Limit for different thickness alumina specimens were calculated from the experimental results . Hugoniot Elastic Limit decreased along with increase of the specimen thickness .

本文研究了在室温、320℃、500℃等三种温度下两类陶瓷（氧化锆增韧氧化铝陶瓷，ZTA，与四方氧化锆多晶陶瓷，TZP）的冲蚀性能。

The paper studies the erosion behavior of two groups of toughened ceramics , ZTA and TZP , at the ambient temperature , 320 and 500 C respectively .

利用有限元分析软件对以不锈钢材料为基体PEEK工程塑料嵌入配流表面的配流盘和氧化铝陶瓷材料的配流盘的应力应变进行仿真分析。

Finite element analysis software is used to simulate the stress and strain of the port plate with the engineering plastics PEEK injected at the surface of stainless steel , as well as the Alumina port plate .

机械密封：采用WB2型、ST型不用冷却水可调式端面密封技术，由碳化硅，高纯度氧化铝陶瓷、填充四氟，石墨等材料制成。

Mechanical seal : use of WB2 and ST non-water-cooled adjustable end face sealing technology , composed of silicon carbide , high purity alumina ceramic , packing PTFE and graphite etc.

利用X射线衍射技术研究了氧化锆增韧氧化铝陶瓷（ZTA）和四方氧化锆多晶陶瓷（TZP）的断裂表面上四方氧化锆ZrO2（t）的相变量和相变宽度。

The transformation volume change and the transformation width of ZrO_2 ( t ) on the fracture surface of ZTA ( Zirconia Toughened Alumina ) and TZP ( Tetragonal Zirconia Polycrystals ) are studied by X-ray diffraction .

研究了氧化锆增韧莫来石复相陶瓷（ZTM）与氧化铝陶瓷摩擦副在室温至400℃干摩擦下的摩擦磨损行为与机制。

The friction and wear behaviours of zirconia toughened mullite composites ( ZTM ) against alumina were investigated under dry sliding from room temperature to 400 ℃ .

结果氧化铝陶瓷颗粒可以刺激单核细胞产生更多的TNF-α，在12、16、24h三个时间点有统计意义（P<0.05）。

Results The levels of TNF - α increased when the monocytes were exposed to alumina ceramic wear debris . There was significant diference of the 12 、 16 、 24-hour production of TNF - α cytokine ( P < 0.05 ) .

文中分析了光通过氧化铝陶瓷时损失的几个组成部分&吸收损失、反射损失和散射损失，以及这几种损失的基本规律，特别是气孔对于Al2O3陶瓷透光性的影响。

It was analysed that the loss of light after it passing through Al2O3 ceramics consists of absorption , reflection and scattering , and that there is a basic law relating to these losses . The effect of pores on the transparency of Al2O3 ceramics was emphasized .