| 1. | Mullitization of cyanite at high sintering temperature 高温烧结条件下蓝晶石的莫来石化 |
| 2. | Diffuser disc is produced from aluminum oxide and ceramic bonded together with high sintering temperature 性能特点: 1 .曝气盘采用氧化铝磨料和陶瓷结合剂高温烧结而成。 |
| 3. | Silicon carbide board : it is combined with high purity silicon carbide and ultra fines . shaped by vibration , maded by high sintering 碳化硅棚板:是以高纯碳化硅与超细粉结合,经振动成型,高温烧结而成。 |
| 4. | The highest sintering temperature was 900 c , and the sintering lasted 70 seconds . the conventional sintered magnets were sintered at 1000 c for 1h 常规烧结的温度为1000 ,烧结时间为1h ,并分别在800和600各进行1h的回火。 |
| 5. | Low heating rate and high sintered pressure were profitably for reducing the rate of pore so as to increase the relative density of sintered body 低的升温速率和高的烧结压力有利于气孔的排出,降低气孔率,从而提高烧结体的致密度。 |
| 6. | No remarkable grain growth has been found during the phase transformation annealing . high sintering densities over 83 % of theoretical ones have been obtained for the hot - pressed samples 实验结果表明,热压试样都有较高的烧结密度,致密度均超过83 ,最高达到了99 。 |
| 7. | The experimental results show thatthe high sintered density of m2t and fine thermal stability could got with the 5wt % additive of zro2 at 1500c for 2 hours . and the additive of m2t can effectively restrain the decomposition of at and promote the sinter process , which enhanced the density of at and promote the strength 实验研究表明, m2t在加入5wt的zro _ 2后,能够在1500保温2小时烧结致密,且热性能稳定。 m2t不但可以有效地抑制at的分解,而且能够有效促进at的烧结,提高at的致密度,进而提高其力学强度。 |
| 8. | The highest sintering temperature got higher and the speed of temperature became faster , with the fining of the powder particle size or the increase of the microwave source ' s power or the decrease of the green compact ' s volume . the sintering time became shorter , with the fining of the powder particle size or the decrease of the microwave source ' s power or the increase of the green compact ' s volume 随着功率的提高,烧结的最高温度上升、烧结时间延长、升温速率略有提高;随着粒径的减小,烧结的最高温度上升、烧结时间缩短、升温速率明显提高;随着初坯体积增大,则烧结的最高温度下降、烧结时间缩短、升温速率降低;初坯的密度对烧结过程影响不大。 |
| 9. | Spark plasma sintering ( sps ) is a kind of new sintering technology for materials synthesis and processing , it has such advantages as high sintering speed , low sintering temperature , it also can retain the origin state of the sintered materials , as such make the sintered materials keep the state of un - equilibrium in this paper , sps was conceived of treating iron covered silicon powder to keeping the origin state of the powder 放电等离子烧结( sparkplasmasintering简称sps )是一种材料快速制备新技术,它具有烧结速度快,烧结温度低,使烧结材料处于远离平衡状态,并能保持材料的原有状态等重要特点。本文设想制各出铁硅包覆粉末,再利用sps进行远离平衡状态的处理,来获得保持原始粉末自然状态的合金块体。 |
| 10. | W - cu composites prepared from the precipitation w - cu powder have higher sintered density , better mechanical and physical property , more homogeneous and finer microstructure than those prepared from w - cu powder by the balling - reduction method . in chapter 5 , a combination of homogeneous precipitation and ball - milling process , namely the mechano - thermochemical process was employed to prepare ultra - fine w - cu powder 其中,球磨w一cu复合粉( hp一m )压坯在1150下烧结30min后,可获得相对密度大于99 %的几乎全致密的超细晶粒w一cu复合材料, w的颗粒度小于0 . 5林m 。 |