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1.When 50~60% red mud ismixed with 20~30% fly ash, sintering temperature range is 1100~1125℃,firing time is less than 2 hours, red mud ceramsite particle’s compressivestrength is higher than 8 MPa and rate of water absorption is higher than40%.
结果表明,当赤泥含量为50~60% 、粉煤灰含量为20~30%时,在1100~1125℃的烧北京化工大学硕士学位论文结温度范围内,烧成时间小于120min时,所制得的陶粒单体强度可达8Mpa以上,吸水率可达40%左右。收藏指正
2.The relation between phase components and sintered temperature of Z type planar hexaferrite Ba 3Co 2Fe 24 O 41 was studied. For the sintered materials,phases were characterized,and found that the sintered temperature of materials is high,the sintering temperature range of Z type phase is narrow.
研究了 Z 型平面六角结构软磁铁氧体( Ba3 Co2 Fe24 O41)的相结构与烧结温度之间的关系,在一般铁氧体工艺条件下, Ba3 Co2 Fe24 O41的合成温度高,成相温度范围窄,并对材料的相组成进行了表征。收藏指正
3.The studies indicate that different content of pyrophyllite and dolomite can cause the following three cases: (1) making the refractory point decrease linearly and, to some extent, influencing the microstructure and properties of sintered body; (2) acceleratingmullite formation during sintering, reducing thermal expansion coefficient of bond, reinforcing the matching nature and improving the flexural strength and shock strength; (3) preventing SiC grinding tool from generating black core, expanding suitable sintering temperature range of SiC grinding tool.
同时,也不同程度地影响了磨具烧结体的微观结构和性能;(2)可促进在烧结过程中莫来石的形成,降低结合剂的热膨胀系数,加强了结合剂与磨料的匹配性,提高了磨具的抗折强度和抗冲击强度;(3)在一定温度范围内还可防止碳化硅磨具出现黑心现象,拓宽了碳化硅磨具的烧结温度适应范围。收藏指正
4.It is found that the sintering conditions of at the temperature range from 600-800℃ for 4 h are the best process.
结果表明600-800℃的温度烧结4h为较佳的烧结条件。收藏指正
5.The influence of burning system on the properties and structure of the ceramic capacitors has been studied Under the certain temperature system, the optimum sintering temperature of the ceramics was primarily decided by the content of Bi2O3·3TiO2. The sintering temperature dropped with the adding of Bi2O3·3TiO2. At the range of suitable sintering temperature, slow heating and low temperature sintering can obtain fine grain and dense structure .
研究了烧成工艺制度对电容器陶瓷性能和结构的影响,结果表明:在一定的升温保温时间下,瓷料的最佳烧结温度主要取决于组成中Bi_2O_3·3TiO_2的含量,Bi_2O_3·3TiO_2含量的增加将降低烧结温度;收藏指正
6.IPSEN products are used in a broad range of processes, including atmospheric and vacuum heat-treatment, plasma nitriding, brazing and sintering.
所有的炉子---从用于单项处理工艺的单室炉,到用于大规模工业生产的联合设备组成的生产线---都是在与客户的密切合作中设计、制造、安装和调试的。收藏指正
7.(2) the main phase of sintering bulk alloys was a -Fe phase, and some little content of sencond phase intermetallic compound. The grain size of a -Fe phases in bulk alloys was in nanometer range;
(2)烧结样品主要组成相为a-Fe相,尚存在少量的第二相金属间化合物,且其a-Fe相平均粒晶尺寸处于纳米级范围;收藏指正
8.Many studies indicted that the body could achieved broad range of sintering temperature when the proportion of talum (3MgO ·4SiO_2) and kaolinite (Al_2O_3·2SiO_2) was greater than four , so it could be determined that the percentage of clay was approximately 15 percent . Further studied on the system phase of Na_2O ?
研究表明,当偏滑石(3MgO·4SiO_2)/偏高岭(Al_2O_3·2SiO_2)>4时,坯体有较宽的烧成温度范围,以此为依据确定坯体中粘土的用量在15%左右。收藏指正
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