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Low-temperature sintered ceramic material and preparation method thereof
The invention belongs to the field of dielectric ceramic preparation, and discloses a low-temperature sintered ceramic material and a preparation method thereof. According to the preparation method ofthe lanthanum-doped lead zirconate titanate ceramic, a mixture of lithium carbonate and bismuth oxide with a low eutectic point is used as a fluxing agent, the preparation method comprises the following steps: weighing and preparing the fluxing agent and PLZT powder, crushing, carrying out dry pressing molding according to a ceramic process, carrying out isostatic cool pressing, putting into a muffle furnace, heating to 600 DEG C at a speed of 3 DEG C/min, carrying out heat preservation for 4-5 hours to complete rubber discharging, heating to 900 DEG C at a heating rate of 5 DEG C/min, heating to 920-950 DEG C at a heating rate of 5 DEG C/min after heat preservation is finished, and cooling along with the furnace after heat preservation to obtain the low-temperature sintered ceramic material. The sintering temperature is low, the process is simple, the cost is low, sintering is compact, the comprehensive storage density and the storage efficiency of the ceramic are high, and the ceramic has great practical value and application prospects.
本发明属于介质陶瓷制备领域，公开了一种低温烧结陶瓷材料及其制备方法。本发明掺镧锆钛酸铅陶瓷的制备方法采用了低共融点的碳酸锂和氧化铋混合物作为助熔剂，该助熔剂与PLZT粉料称量配制，然后按陶瓷工艺，粉碎，干压成型，经冷等静压后，然后放入马弗炉中，先以3℃/min升温到600℃，保温4h～5h后完成排胶；接着再以5℃/min升温速率升温到900℃，保温结束后再以5℃/min升温到920～950℃，经保温后随炉冷却，得到低温烧结陶瓷材料。本发明发明的烧结温度低，工艺简单，成本低，且烧结致密，该陶瓷的综合储存密度和储存效率较高，具有较大的实用价值和应用前景。
Low-temperature sintered ceramic material and preparation method thereof
The invention belongs to the field of dielectric ceramic preparation, and discloses a low-temperature sintered ceramic material and a preparation method thereof. According to the preparation method ofthe lanthanum-doped lead zirconate titanate ceramic, a mixture of lithium carbonate and bismuth oxide with a low eutectic point is used as a fluxing agent, the preparation method comprises the following steps: weighing and preparing the fluxing agent and PLZT powder, crushing, carrying out dry pressing molding according to a ceramic process, carrying out isostatic cool pressing, putting into a muffle furnace, heating to 600 DEG C at a speed of 3 DEG C/min, carrying out heat preservation for 4-5 hours to complete rubber discharging, heating to 900 DEG C at a heating rate of 5 DEG C/min, heating to 920-950 DEG C at a heating rate of 5 DEG C/min after heat preservation is finished, and cooling along with the furnace after heat preservation to obtain the low-temperature sintered ceramic material. The sintering temperature is low, the process is simple, the cost is low, sintering is compact, the comprehensive storage density and the storage efficiency of the ceramic are high, and the ceramic has great practical value and application prospects.
本发明属于介质陶瓷制备领域，公开了一种低温烧结陶瓷材料及其制备方法。本发明掺镧锆钛酸铅陶瓷的制备方法采用了低共融点的碳酸锂和氧化铋混合物作为助熔剂，该助熔剂与PLZT粉料称量配制，然后按陶瓷工艺，粉碎，干压成型，经冷等静压后，然后放入马弗炉中，先以3℃/min升温到600℃，保温4h～5h后完成排胶；接着再以5℃/min升温速率升温到900℃，保温结束后再以5℃/min升温到920～950℃，经保温后随炉冷却，得到低温烧结陶瓷材料。本发明发明的烧结温度低，工艺简单，成本低，且烧结致密，该陶瓷的综合储存密度和储存效率较高，具有较大的实用价值和应用前景。
Low-temperature sintered ceramic material and preparation method thereof
一种低温烧结陶瓷材料及其制备方法
LU SHENGGUO (author) / JIAO ZHIWEI (author) / CHEN XIANYI (author) / XU YIWEN (author) / LI YI (author) / YAO YINGBANG (author) / LIANG BO (author) / TAO TAO (author)
2020-11-20
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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