查询词典 sintering

The results obtained from the mineragraphy analysis of sintering agglomerates indicate that with 0.03%HPL added, the gas holes of agglomerate becomes smaller so that its strengthen can be improved significantly, and the content of calcium ferrite of good reducibility is increased by 8%-10%.

据矿相分析结果表明，添加0.03％HPL后，烧结矿起气孔变小，使烧结矿强度提高1％左右，并使还原性好的铁酸钙含量增加8％～10％，这有利于高炉冶炼。

The characteristics and process of the coated sand moldmade by selective laser sintering rapid prototyping are introduced.

介绍了用选择性激光烧结快速成型技术直接制造覆膜砂铸型的特点及工艺过程。

The results showed that the three kinds of prealloy powder have excellent low temperature sintering characteristics and good wear resistance. They have excellent physical and mechanical characteristics close to ultrafine cobalt and imported prealloy powder, good retention to diamond and excellent bonding momental for high frequency brazing. At one time, they have lower cost and reduced dosage.

结果表明：三种预合金粉末有着优良的低温烧结性能和耐磨性，表现出接近于超细钴和相当于国外代钴粉末的优良的物理、机械性能，对金刚石把持力高；具有高的高频钎焊结合力矩；粉末成本较低，用粉量可降低。

In this article, three kinds of prealloy powder were developed by water atomization method. The base attribute, pattern, phase composition, differential thermal analysis of powder were researched. Sintered density, hardness, bend strength, Young's modulus were researched as hot pressed sintering temperature changing. By using abrasive wearing equipment upbuilt by the authors, the wear resistance were determined. Green-pressing density, simulated green-pressing strength and bonding momental of high frequency brazing were assayed. SEM corrosion structure and SEM appearance of fracture were observed.

本文采用水雾化法开发了三种预合金代钴粉末：对粉末的基本属性、形貌，粉末的相组成，粉末的差热性进行了分析研究；测定了它们的烧结密度、硬度、抗弯强度、弹性模量随热压烧结温度变化的规律；采用作者自行建立的磨料磨损试验方法，测定了它们的质量磨损百分率；测定了它们的冷压生坯密度、模拟生坯强度以及高频钎焊的结合力矩；观察了热压烧结SEM腐蚀组织和SEM断口形貌。

ABSTRACT PZT thin films with a composition near the morphotropic phase boundary ﹝ w/w=52/48﹞ were prepared by the sol-gel process, and atomic force microscopy and spectroscopic ellipsometry were utilized to trace the sintering processes.

摘 要 用溶胶-凝胶技术制备了组成在准同型相界点﹝m/m=52/48﹞附近的钙钛矿相PZT薄膜，并运用原子力显微分析与椭偏法测试相结合的方法跟踪了薄膜的烧结过程。

The rational firing system was also the key element of sintering Si_3N_4-SiCcomposite materials in oxidizing atmosphere.

合理的烧成制度也是氧化烧结Si_3N_4-SiC复合材料的关键因素。

With BZY_(10) as the main phase, sulphates, carbonates and sodium oxyhydrate as the second phase respectively, several kinds of barium zirconate/salt composites were designed and fabricated at sintering temperature of 1320~1350 ?

电动势测试结果表明，添加5 mol%以下ZnO不会显著改变SZY_(10)和BZY_(10)的质子导电特性，离子传导系数在0.85以上。

The properties of zinc polycarboxylic cement is better when the molecular weights of compolymer reaches to 5.2×10^4 and sintering temperature of powder is 950℃.

聚羧酸锌水门汀溶剂共聚物的分子量以5.2×10^4左右为宜，而烧结温度以950℃时较好。

Results: With zinc polycarboxylic cement molecular weights and sintering temperature of powder in creasing.

结果：水门汀压缩强度和对牙釉质的剪切粘接强度随共聚物分子量增加而增加，但当共聚物分子量增加到5.2×10^4了以后，水门汀就不能使用。

The first year of this project studied the sintering behavior of sub-micron .theta.-alumina powders. After forming using cold isostatic pressing, green specimens were heat treated at various temperature and time. The pore size distribution, density, phase transformation, and microstructure were analyzed using mercury porosimeter, XRD, SEM.

中文摘要本计画第一年进行次微米之θ相氧化铝粉末的烧结行为研究，粉末以冷均压成型后以不同之温度及时间进行热处理，坯体/烧结体以水银孔隙仪、XRD及SEM等仪器，分析其孔隙分布、密度、相转换量、微结构等。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。