| 1. | Cold isostatic press wound with steel wire
钢丝缠绕式冷等静压机 |
| 2. | Cold isostatic hydraulic press
冷等静压水压机 |
| 3. | Si particles porous preforms were prepared by cold isostatic pressing process ( cip ) . its average porosity is about 31 . 3 % . 3
采用冷等静压方法制备出si颗粒多孔预制体，平均孔隙率为31 . 3 。 |
| 4. | Many producing methods are developed as the craft improved , including isostatic cool pressing , dry pressing and hot pressing molding , to meet customers ' different requirements to technique
生产工艺的不断改进，已形成多方法制造：冷等静压生产、干压生产、热压注成型生产，可满足了不同用户的技术要求。 |
| 5. | The powder was pressed through molding and cold isostatic pressure , which increased the density and decreased the uneven distribution of stress inside the briquet to make the ceramic briquet equally compact
粉料采取模压和冷等静压相结合的方法压制，增大了坯体内部的密度并减少了应力的分布不均，得到均匀致密的陶瓷坯体。 |
| 6. | These problems result in sintering slowly , and the material performances to become bad . to be compared , the sol - gel method has no these flaws . in the experiments , nanometer powders were prepared by the sol - gel method
溶胶-凝胶法则能够克服这些缺点，因此本研究采用它先生成所需的前驱纳米粉，然后通过常压、冷等静压和热压等工艺来制备ca _ 3co _ 4o _ 9及其掺杂的化合物。 |
| 7. | The foundation to develop nb - si system intermetallics base high temperature structure materials has also been established in some degree in this paper . arc melting , powder metallurgy and optical floating zone technology have been used and compared to fabricate the nb - si system intermetallics
运用电弧熔炼、粉末冶金热压烧结、粉末冶金冷等静压和光学悬浮单晶生长技术等方法制备了nb - si系金属间化合物，并对这四种方法制备的nb - si系金属间化合物进行了比较。 |
| 8. | The microstructure of the polycrystal remains to be optimized to achieve good performance . to reduce the high cost and high - energy expedition of melting method , a solvothermal process followed by a sintering procedure of compacted pellets produced by using cold isostatic pressure method were mentioned to prepare polycrystalline samples of the ternary ( snte ) x ( bi2te3 ) y compounds
为弥补熔炼法高成本，高能耗等诸多缺陷，本文还采用溶剂热法，成功合成了bi _ 2te _ 3和三元( snte ) _ x ( bi _ 2te _ 3 ) _ y化合物，并采用冷等静压成型，结合常压烧结的方法制备块体样品。 |
| 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. | The results indicate that arc melting is a good method to produce nb - si system intermetallics due to its simpler technics , lower cost and compact products . however , powder metallurgy is found to be not suitable to produce the nb - si system intermetallics due to its coarse and loose products resulting from the poor molding property of nb and si mixed powders . optical floating zone technology , which is used to fabricate nb - si intermetallic composites for the first time , is also found to be a good way to produce nb - si system intermetallics because of its compact products and good property despite of its relatively high cost
结果表明，电弧熔炼方法制备得到的nb - si系金属间化合物比较致密，且制备工艺简单，经济实用，是一种合适的nb - si系金属间化合物制备方法；由于nb 、 si元素粉末的成型性很差，用粉末冶金方法(热压烧结和冷等静压)制备的nb - si系金属间化合物表面粗糙、致密度低，且成本较高，不宜用于制备nb - si系金属间化合物；首次用光学悬浮单晶生长技术制备的nb - si系金属间化合物复合材料致密度很高，尽管成本稍高，但由于性能最佳，也是一种合适的nb - si系金属间化合物制备方法。 |
