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Titanium diboride-boron nitride-silicon carbide ceramic composite material prepared by spark plasma sintering and preparation method thereof
The invention relates to a titanium diboride-boron nitride-silicon carbide ceramic composite material prepared by spark plasma sintering and a preparation method thereof, and belongs to the technical field of ceramic materials. The preparation method comprises the following steps: carrying out ball milling on raw materials of titanium diboride powder, boron nitride powder and silicon carbide powder to obtain mixed powder; placing the mixed powder in a vacuum drying oven at 60-100 DEG C, drying for 24-48 hours, grinding, sieving and granulating to obtain mixed powder; and putting the mixed powder into a graphite mold, lining the mold with graphite paper, wrapping the mold with a graphite insulating layer with pores, putting the mold into plasma activated sintering equipment, applying pressure, heating, sintering and preserving heat for a period of time in an inert atmosphere, and then naturally cooling to obtain the TiB2-BN-SiC ceramic composite material. The method is simple in process and rapid and convenient in preparation, and the TiB2-BN-SiC composite ceramic with high mechanical strength, controllable resistivity and adjustable thermal properties can be prepared.
本发明涉及一种放电等离子烧结制备的二硼化钛‑氮化硼‑碳化硅陶瓷复合材料及其制备方法，属于陶瓷材料技术领域。制备方法如下：将原料二硼化钛粉体、氮化硼粉体、碳化硅粉体球磨，得到混合粉体；将混合粉体置于60‑100℃的真空干燥箱内干燥24‑48h，研磨，过筛造粒，得到混合粉体；将混合粉体放入石墨模具，模具内衬有石墨纸，并且外面包裹一层有气孔的石墨绝缘层，置于等离子体活化烧结设备中，在惰性气氛下，施加压力，升温烧结，保温一段时间，然后自然冷却，即可得到TiB2‑BN‑SiC陶瓷复合材料。该方法工艺简单，制备快速方便，可以制备出机械强度高且电阻率可控、热学性能可调的TiB2‑BN‑SiC复合陶瓷。
Titanium diboride-boron nitride-silicon carbide ceramic composite material prepared by spark plasma sintering and preparation method thereof
The invention relates to a titanium diboride-boron nitride-silicon carbide ceramic composite material prepared by spark plasma sintering and a preparation method thereof, and belongs to the technical field of ceramic materials. The preparation method comprises the following steps: carrying out ball milling on raw materials of titanium diboride powder, boron nitride powder and silicon carbide powder to obtain mixed powder; placing the mixed powder in a vacuum drying oven at 60-100 DEG C, drying for 24-48 hours, grinding, sieving and granulating to obtain mixed powder; and putting the mixed powder into a graphite mold, lining the mold with graphite paper, wrapping the mold with a graphite insulating layer with pores, putting the mold into plasma activated sintering equipment, applying pressure, heating, sintering and preserving heat for a period of time in an inert atmosphere, and then naturally cooling to obtain the TiB2-BN-SiC ceramic composite material. The method is simple in process and rapid and convenient in preparation, and the TiB2-BN-SiC composite ceramic with high mechanical strength, controllable resistivity and adjustable thermal properties can be prepared.
本发明涉及一种放电等离子烧结制备的二硼化钛‑氮化硼‑碳化硅陶瓷复合材料及其制备方法，属于陶瓷材料技术领域。制备方法如下：将原料二硼化钛粉体、氮化硼粉体、碳化硅粉体球磨，得到混合粉体；将混合粉体置于60‑100℃的真空干燥箱内干燥24‑48h，研磨，过筛造粒，得到混合粉体；将混合粉体放入石墨模具，模具内衬有石墨纸，并且外面包裹一层有气孔的石墨绝缘层，置于等离子体活化烧结设备中，在惰性气氛下，施加压力，升温烧结，保温一段时间，然后自然冷却，即可得到TiB2‑BN‑SiC陶瓷复合材料。该方法工艺简单，制备快速方便，可以制备出机械强度高且电阻率可控、热学性能可调的TiB2‑BN‑SiC复合陶瓷。
Titanium diboride-boron nitride-silicon carbide ceramic composite material prepared by spark plasma sintering and preparation method thereof
一种放电等离子烧结制备的二硼化钛-氮化硼-碳化硅陶瓷复合材料及其制备方法
TIAN SHI (author) / LI HAO (author) / YANG WANGLIN (author) / LIAO ZELIN (author) / HE QIANGLONG (author) / WANG WEIMIN (author)
2021-09-28
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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