添加3Y-TZP对8YSZ电解质材料的力学和电学性能的影响

硅酸盐通报 ›› 2009, Vol. 28 ›› Issue (5): 905-908.

添加3Y-TZP对8YSZ电解质材料的力学和电学性能的影响

江虹;郭瑞松;李海龙

天津大学先进陶瓷与加工技术教育部重点实验室,天津,300072;贵州广播电视大学,贵阳,550004;天津大学先进陶瓷与加工技术教育部重点实验室,天津,300072

出版日期:2009-10-15 发布日期:2021-01-15
基金资助:
国家自然科学基金(50872090)%贵州省教育厅自然科学研究项目(2008062)

Effects of 3Y-TZP Addition on the Mechanical and Electrical Properties of 8YSZ Electrolyte Materials

JIANG Hong;GUO Rui-song;LI Hai-long

Online:2009-10-15 Published:2021-01-15

摘要/Abstract

摘要： 采用机械混合方法,在8YSZ电解质材料中添加3Y-TZP,目的是在满足YSZ电解质电学性能要求的前提下,提高材料的力学性能.试样在常压下烧结,通过弯曲强度﹑断裂韧性﹑电导率测定和相组成分析,讨论了3Y-TZP添加量的影响.实验结果表明:加入3Y-TZP能显著提高陶瓷体的力学性能,弯曲强度和断裂韧性随着添加量的增多而提高;电学性能在0～30%(质量百分比,下同)的添加量时下降很小.添加30% 3Y-TZP的电解质材料在1000 ℃电导率为0.11 S/cm,强度接近300 MPa,综合效果最好.

关键词: 相变增韧;固体电解质;3Y-TZP;8YSZ

Abstract: 3Y-TZP was added to 8YSZ by means of mechanical mixing in order to first fulfill the need of electrical property as electrolyte and improve its mechanical property. The samples were sintered in air. The effects of 3Y-TZP addition were investigated through the tests of fracture toughness, bending strength, electrical conductivity and phase composition analysis. The results show that 3Y-TZP improves the mechanical property of 8YSZ material. The fracture toughness and bending strength increase obviously with the increase of 3Y-TZP addition and the conductivity of 8YSZ electrolyte materials dope slightly within 0- 30%. The electrical material when the amount of 3Y-TZP reaches up to 30% embodies excellent properties, with an electrical conductivity of 0.11 S/cm at 1000 ℃ and bending strength of 300 MPa.

Key words: transformation toughening%solid electrolyte%3Y-TZP%8YSZ

中图分类号:

TM911.47

江虹;郭瑞松;李海龙. 添加3Y-TZP对8YSZ电解质材料的力学和电学性能的影响[J]. 硅酸盐通报, 2009, 28(5): 905-908.

JIANG Hong;GUO Rui-song;LI Hai-long. Effects of 3Y-TZP Addition on the Mechanical and Electrical Properties of 8YSZ Electrolyte Materials[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2009, 28(5): 905-908.