BaTiO3陶瓷的低温冷烧结制备及性能研究

韦婷婷, 徐华蕊, 朱归胜, 龙神峰, 张秀云, 赵昀云, 江旭鹏, 宋金杰, 郭宁杰, 龚祎鹏

Preparation and Properties of BaTiO3 Ceramics by Low Temperature Cold Sintering

WEI Tingting, XU Huarui, ZHU Guisheng, LONG Shenfeng, ZHANG Xiuyun, ZHAO Yunyun, JIANG Xupeng, SONG Jinjie, GUO Ningjie, GONG Yipeng

表4 文献报道的BaTiO3陶瓷冷烧结性能对比

Table 4 Summary of cold sintering of BaTiO3 ceramics

Process Flux (in mass) Temperature/Pressure Time/h Density/% εr(1 kHz) tanδ (1 kHz) Heat treatment Ref. CSP-CS Ba(OH)2/TiO2 soultion 180 ℃/430 MPa 1-3 h 95 1760 0.04 700-900 ℃/3 h [11] CSP NaOH-KOH 300 ℃/520 MPa 12 h 98 1800 0.04 - [15] Surface coating/CSP-CS H2O, Ba(OH)2 solution 220 ℃/500 MPa 1 h 97 1550 0.02 700-900 ℃/3 h [10] 1 mol/L acetic acid/powder-CSP 20% Ba(OH)2∙8H2O 225 ℃/350 MPa 1 h 95 1440 0.09 - [16] 1 mol/L acetic acid/powder-CSP 11% Sr(OH)2∙8H2O 275 ℃/350 MPa 1 h 92 1500 0.08 - [21] 0.1 mol/L acetic acid/powder-CSP 10% Ba(OH)2∙8H2O 400 ℃/350 MPa 1 h 96 2830 0.03 600 ℃/0.5 h Thiswork