| 1. | Liquid phase sintering of boron carbide 碳化硼陶瓷的液相烧结试验研究 |
| 2. | Liquid phase sintering nano - zirconia toughened dental all - ceramics at low temperature 低温液相烧结纳米氧化锆增韧口腔全瓷材料的研究 |
| 3. | The study showed that the densified process should be divide into two stages - solid phase sinter stage and liquid phase sinter stage 研究表明,液相烧结mo - cu合金的致密化过程分为固相烧结阶段和液相烧结阶段。 |
| 4. | The density of the mo - cu sinter was measured . the result of the measure showed that the liquid phase sintered mo - cu alloy gained 95 - 97 % relative density . the densified process was well carried out 本文测试了mo - cu烧结体的密度,测试结果表明,液相烧结mo - cu合金的相对密度在95 97之间,基本上实现了致密化。 |
| 5. | In this paper , the mechanical alloy technology ( ma ) was adopted . through the designing and optimizing of the ma technology and liquid phase sinter technology , the new electrician alloy - mo - cu was made 本文采用粉末冶金的非平衡制备高新技术?机械合金化法,通过机械合金化工艺、粉末生坯压制工艺和液相烧结工艺的设计与优化,制备出了mo - cu高比重合金。 |
| 6. | The process of the high energy ball milling , the process of the flan press and the process of the liquid phase sinter was studied . and the influence of those processes to the property of the mo - cu alloy was concluded 本文从工艺上主要研究了mo - cu复合粉末的高能球磨工艺、 mo - cu粉末生坯的压制工艺、液相烧结工艺以及不同的工艺条件对材料性能的影响。 |
| 7. | The resulted microstructure is ld ' + a ' + mc + m6c , density not less than 8 . 0g / cm3 and hardness not less than hrc50 . the effects of alloying elements , sintering process , microstructure and liquid phase sintering on properties of pm inserts are discussed too 制备出了符合性能要求的粉末冶金摇臂镶块,其密度8 . 0g / cm3 ,硬度50hrc ,其耐磨性能已达到日本进口件的水平。 |
| 8. | The result of the xrd , sem and tem analysis show that the densification process was controlled by the mechanical of liquid phase sintering with the addition of mgo and ce02 as the sintering aid . the mgo - ceo2 would react with the sio2 which was on the surface of the silicon nitride particles to from silicate liquid phase to accelerate the densification 通过xrd 、 sem 、 tem等测试结果表明,由于同时添加了mgo和ceo _ 2作为助烧剂,其致密化过程为液相烧结,由烧结助剂和si _ 3n _ 4表面的sio _ 2反应形成低熔点的硅酸盐相,促进烧结致密化,冷却后,在晶界形成玻璃体。 |
| 9. | The process of the liquid phase sinter was studied , the study showed that the mo - cu sinter could gain 95 % - 97 % relative density when the relative density of the flan was 70 % - 80 % , the sinter temperature was 1100 - 1200 , the sinter time was 80min - 100min and the sinter atmosphere was hydrogen 本文通过对mo - cu粉末生坯的烧结工艺研究得出,粉末生坯相对密度为70 80 ,烧结温度为1100 1200 、等温时间为80 120min 、氢气保护气氛下,可制备出具有高致密度的mo - cu粉末烧结体。 |