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1)  spark plasma sintering
超快速烧结
1.
The SiC-A12O3 nanocomposites were superfast densified by spark plasma sintering(SPS) process with heating to a sintering temperature range from 1350 to 1550℃, at a heatingrate of 600℃/min, without holding time, and then fast cooling to 600℃ within 2-3 minutes;and high density nanocomposites were obtained.
本文介绍用非均相沉淀法制备的纳米SiC-Al2O3复合粉体经放电等离子超快速烧结得到晶内型的纳米复相陶瓷,超快速烧结的升温速率为600℃/min,在烧结温度不保温,迅即在3min内冷却至600℃以下。
2.
Al2O3 ceramics were successfully superfast densified by spark plasma sintering (SPS) underthe conditions of heating rate as high as 600℃/min, no holding time at the sintering temperaturefrom 1350 to 1700 ℃ and then fast cooling to 600℃ within 3 minutes.
本文介绍用放电等离子超快速烧结方法制备的氧化铝陶瓷的力学性能和显微结构特征。
2)  rapid sintering at high pressure
快速超高压烧结
3)  mechanism of superfast sintering
超快速烧结机理
4)  rapid sintering
快速烧结
1.
Effect of metal elements on rapid sintering W-Cu alloy under the action of electric field;
电场作用下金属元素对W-Cu合金快速烧结的影响
2.
Using Gleeble—3500D thermal simulation equipment,the effect of preset heating rate on rapid sintering of W-20Cu system under the action of electric field was investigated.
采用Gleeble—3500D热模拟机,通过对烧结体密度、显微结构以及硬度的分析,研究了电场作用下预设升温速度对W-20Cu体系快速烧结的影响。
5)  rapid hot-pressing
快速热压烧结
1.
In the present study, bulk nanostructured WC-Co cermets were prepared by high energy ball milling and rapid hot-pressing; the physical and mechanical properties as well as microstructure of the sintered bulk materials were also measured.
采用高能球磨 快速热压烧结工艺制备了纳米晶粒WC Co硬质合金块体 ,并对合金的物理、力学性能及微观组织进行了分析测试。
2.
The polycrystalline samples for measurement, with relative densities all above 90%, were prepared by rapid hot-pressing process.
所得合金锭经过高能球磨制成微米级的超细合金粉,再通过快速热压烧结制备测试用的多晶试样,所有试样的相对密度均达到90%以上。
6)  fast-sintering stage
快速烧结阶段
补充资料:超高压烧结
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性质:陶瓷坯体在数万兆帕压力和1400℃以上的高温下烧结的方法。采用这种烧结工艺能使粉料迅速达到高致密化,制品具有超微晶粒结构,粒径可达0.3~0.7μm,经过回火热处理后,可控制在1μm左右。这样晶界所占的体积百分比可达一半左右,从而赋予材料具有通常烧结或热压下所达不到的性能。首先,其晶粒间已不是结构弱点,甚少微裂纹,因此制品的机械强度,特别是抗弯、抗张强度和硬度要比其他方法制备的同类陶瓷的性能高得多。其次,铁电材料、压电材料的其他物理性能亦有明显变化,如介电常数的温度系数明显变小。采用这种烧结工艺还可以合成新型矿物。此种工艺比较复杂,对模具材料,真空密封技术以及原料细度和纯度均有严格要求。

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