| 1. | Hot - pressing sintering of w - 15cu alloy
热压烧结制备高密度钨铜合金 |
| 2. | Research on the microstructure and thermal shock resistance of sic c fgm by hot - press sintering
功能梯度材料微观结构及热震性能研究 |
| 3. | This thesis reports some results on the hot press sintering of nano - composite wc - co powder , which is prepared by spray pyrogenation & continuous deoxidization and carbonization process
本课题采用热压烧结技术对以喷雾热解?连续还原碳化法制备的纳米复合wc - co粉末进行了热压烧结研究。 |
| 4. | The sintering time also affects the specimens " properties . nano - composite wc - co powder can be hot press sintered to cermet whose hra is 94 . 6 and trs is 1183 mpa under 1350 for 2 hours
最终烧结实验表明纳米复合wc - co粉末1350保温2小时条件下的热压烧结可以获得抗弯强度为1183mpa ，洛氏硬度为94 . 6的硬质合金。 |
| 5. | The effects of the types and amount of rare earth elements as well as hot - pressing sintering temperature on the mechanical properties of fe - based metal bond and diamond composites either containing or not containing tih2 were studied by means of orthogonal test and variance analysis
采用正交试验和方差分析系统地研究稀土种类、添加量和烧结温度对含tih _ 2和不含tih _ 2条件下铁基胎体和金刚石复合材料力学性能的影响。 |
| 6. | 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。 |
| 7. | The composite hardness was increased comparing to copper due to the reinforcement effect of nanosized al2o3 . and the density was related with the parameters of hot - press sintering processing . the dry sliding wear of the composites was investigated in a pin - on - disk wear test rig
在自制的销?盘式低载荷摩擦磨损试验机上对复合材料进行摩擦磨损实验，通过对实验数据和sem形貌的分析，表明纳米al _ 2o _ 3陶瓷颗粒增强铜基复合材料有较好的抗磨损性能。 |
| 8. | The experimental techniques ( such as sedimentation equipment , controlling the size and size distribution of powders , the concentration of suspension ) have been devised subtly . on the basis of theoretical and densification design , the w - mo - ti fgm has been obtained by particle settling and hot pressing sintering . the structures of specimen were observed by electron probe
通过对实验工艺，如沉降设备、原料粒度及粒度分布的控制、悬浮液浓度等方面进行精细的设计，在理论设计和致密化研究的基础上，通过颗粒共沉降得到梯度沉积体，并通过真空热压烧结得到w - mo - ti功能梯度材料。 |
| 9. | In the section of non - pressing sintered , the influence of different raw material system and sintered temperature on the phase composition of the material were studied . and two conclusions were achieved . the one is that it is good for phase composition design and control because the final phase composition of the material fabricated by ti , sic and c raw material system is comparatively stable
在无压烧结阶段，研究了原料体系与工艺制度对材料物相组成的影响，结果表明使用ti 、 sic 、 c的原料体系得到的材料最终物相组成比较稳定，有利于进行材料组成设计与控制； 1500得到的材料中的杂质相含量较少，是比较合适的反应温度。 |
| 10. | Sicp / al matrix composites , with 5 , 15 and 25 % volume fraction of sic particles , were prepared by vacuum hot - pressing sintering processing in this paper . based on mechanics properties , sem observation and energy dispersive x - ray analysis , the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering , as well as the reinforcement and fracture mechanisms of this composite were analyzed . the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3 . 3 10 - 3s - 1 ) to dynamic state strain rate ( 5 . 2 103 s - 1 )
本研究以武装直升飞机防护装甲材料为研究对象，采用真空热压粉末冶金烧结工艺制备了含sic颗粒体积分数分别为5 、 15和25的sic颗粒增强铝基复合材料，结合其力学性能、扫描电镜和界面微区能谱分析结果，分析了sic _ p al复合材料的真空烧结过程中的界面现象，以及材料增强和断裂机理，并利用hopkinson高速压杆冲击实验系统对其从静态到动态(应变率为3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的压缩破坏响应进行了研究，分析了不同体积分数sic _ p al复合材料高应变率压缩载荷下，材料的变形和微观损伤机理，以及利用高速冲击空气炮测定了改复合材料制备剃度复合板的穿透性能。 |
