| 1. | Extraction of aluminun oxide from coal - series kaolin rock by pre - desilication and sintering method 煤系高岭岩酸浸工艺改进 |
| 2. | Study on lead - free bi0 . 5na0 . 5 1 - xbaxtio3 piezoelectric ceramics by direct reaction sintering method 3系无铅压电陶瓷的性能研究 |
| 3. | 3 . fabricating the nano nickel oxide electrode by nano particle sintering method has been preliminary try also 3 .初步研究了用烧结纳米镍的方法制备氧化镍电极。 |
| 4. | These invalidations are relative to the processing of preparing the contact directly , the products made in conventional and continuous powder metallurgy furnace are more easy invalidation than that of incontinuous one , and so we suggest avoiding this sintering method 三种失效方式与烧结工艺直接相关,传统的粉末冶金连续卧式烧结炉烧结的产品失效概率较大。应尽量避免使用该种烧结方式。 |
| 5. | In this paper , ti3sic2 material and ti3sic2 / sic composites , which were fabricated by non - pressing sintered and hot - pressing sintered methods are mentioned and the effects of the synthesis conditions on the phase composition , microstructure and mechanical properties were investigated 本文通过无压真空烧结和热压烧结制备了ti _ 3sic _ 2材料和ti _ 3sic _ 2 sic复合材料,研究了工艺制度对复合材料物相组成、显微结构和力学性能的影响。 |
| 6. | In this thesis adding the pre - process carbon nanotubes into the powder of silicon nitride , with ball milling , drying and sieving , fabricate the silicon nitride ceramics applying the hp sintering method , which in order to improve the toughness of the silicon nitride 本文就是利用碳纳米管优良的力学性能,在对其预处理后,将其添加到氮化硅陶瓷粉末中,经球磨、干燥、过筛后,采用热压烧结工艺,制备氮化硅陶瓷,以期改善氮化硅陶瓷的韧性。 |
| 7. | Pulse electric current sintering is an advanced technology for materials synthesis and one of effective methods for preparation nano - structure ceramic . but the sintering mechanism is different with traditional sintering method . the sintering phenomena of oxide nano - powders have been investigated in this paper 放电等离子体烧结技术( sps )是材料制备新技术之一,也是制备纳米相陶瓷的有效方法之一,但烧结金属氧化物纳米粉末过程中的致密化机理与传统理论有一定的区别,本文对脉冲电流烧结金属氧化物纳米粉末进行了系统研究。 |
| 8. | In this work , un - doped and nano sic doped mgb2 / fe tapes and wires were fabricated by the powder in tube ( pit ) technique , and the short samples were synthesized through two different routes of the traditional vacuum sintering and the sparking plasma sintering ( sps ) . the sintering parameters were optimized in both sintering methods 本文采用粉末套管法( powderintube )原位( in - situ )制备了非掺杂和纳米sic掺杂的mgb2 / fe超导线带材,分别采用常规真空烧结和放电等离子烧结( sps )两种方式合成mgb2超导相,优化了烧结工艺参数。 |
| 9. | Based on nanometer powders , cajc cvbased oxides were synthesized by constant sintering , cold isostate pressure and hot pressure methods . it can be found that sintering methods have a great influence on thermoelectric performances : the sample synthesized by hot pressure method is most dense and has the best thermoelectric performances . the microstructures and thermoelectric properties of cascog - based oxides doped by four dopants have been investigated 采用不同的后续工艺制备最终的热电材料,研究不同工艺对热电性能的影响发现:热压烧结制备出的热电材料最致密,其热电性能也最好;先冷等静压成型后常压烧结方法次之;直接常压烧结法烧出的样品气孔最多,性能也最差。 |
| 10. | After looking up a large amount of native and foreign information , the materials used in the experiment were as follows : ptfe base , graphite filler , molybdenum disulfide filler , copper powder filler , carbon fiber and so on . the experimental method is that the formula was designed according to uniform experimental method , the relationship between formula and frictional property was found with spline function and then the representative test points were chosen from fitting curve to make verification test for optimization . the preparative technique of solid lubricant is cold - press sintering method 经过查阅大量国内外文献资料后确定原料为:聚四氟乙烯树脂为基体,加入石墨、二硫化钼、铜粉、碳纤维等填料;试验方法为:根据均匀试验方法设计配方,用样条函数找出配方与摩擦性能的关系,然后在拟合曲线上选取具有代表性的试验点进行验证试验,达到优化的目的;制备工艺:冷压烧结法制备固体润滑剂。 |