自增韧锌尖晶石-透辉石微晶玻璃力学性能的研究

硅酸盐通报 ›› 2023, Vol. 42 ›› Issue (4): 1458-1465.

所属专题：玻璃

• 陶瓷、玻璃及耐火材料 • 上一篇下一篇

自增韧锌尖晶石-透辉石微晶玻璃力学性能的研究

赵竞一^1,2, 王闻之^1,2, 王其琛^1,2, 符有杰^3,4, 段佳岐^1,2, 李铭涵^1,2, 姜宏^1,2,3,4

1.海南大学,海南省特种玻璃重点实验室,海口 570228;
2.海南大学,南海海洋资源利用国家重点实验室,海口 570228;
3.海南海控特玻科技有限公司,澄迈 571924;
4.特种玻璃国家重点实验室,澄迈 571924

收稿日期:2022-12-07 修订日期:2023-01-22 出版日期:2023-04-15 发布日期:2023-04-25
通信作者: 姜宏,博士,教授。E-mail:jhong63908889@sina.com
作者简介:赵竞一(1998—),女,硕士研究生。主要从事微晶玻璃力学性能方面的研究。E-mail:zzhaojingyi@163.com
基金资助:
海南省重点研发项目(ZDYF2021GXJS027);国家自然科学基金联合基金(U22A20124)

Mechanical Properties of Self-Toughening Gahnite-Diopside Glass-Ceramics

ZHAO Jingyi^1,2, WANG Wenzhi^1,2, WANG Qichen^1,2, FU Youjie^3,4, DUAN Jiaqi^1,2, LI Minghan^1,2, JIANG Hong^1,2,3,4

1. Special Glass Key Lab of Hainan Province, Hainan University, Haikou 570228, China;
2. State Key Laboratory of Marine Resources Utilization in South China Sea, Hainan University, Haikou 570228, China;
3. HNHT Special Glass Technology Co., Ltd., Chengmai 571924, China;
4. State Key Laboratory of Special Glass, Chengmai 571924, China

Received:2022-12-07 Revised:2023-01-22 Online:2023-04-15 Published:2023-04-25

摘要/Abstract

摘要： 本文以SiO₂、Al₂O₃、ZnO、CaO、MgO为主要原料制备锌尖晶石-透辉石体系微晶玻璃,利用自增韧技术提高了该体系微晶玻璃的力学性能。采用正交试验研究各热处理工艺参数对该体系微晶玻璃力学性能的影响,探究了微晶玻璃的晶相比例、微观形貌与其力学性能之间的关系。结果表明,提高透辉石相比例可显著提高微晶玻璃断裂韧性,但比例过高则会降低微晶玻璃抗弯强度,因此制备高韧性、高抗弯强度的微晶玻璃时需要柱状晶体交错和粒状晶体填充其间隙,起到协同强化的作用。基础玻璃经750 ℃保温2 h+810 ℃保温2 h+880 ℃保温2 h+950 ℃保温2 h后,微晶玻璃断裂韧性达5.1 MPa·m^1/2,抗弯强度达255 MPa,维氏硬度为8.3 GPa。

关键词: 锌尖晶石-透辉石微晶玻璃, 自增韧, 断裂韧性, 抗弯强度, 热处理工艺, 正交试验

Abstract: Gahnite-diopside glass-ceramics were prepared with SiO₂, Al₂O₃, ZnO, CaO and MgO as main raw materials, and the mechanical properties of glass-ceramics were improved by self-toughening technology. The influences of heat treatment parameters on the mechanical properties of glass-ceramics were studied by orthogonal test, and the relationships between the proportion of crystal phase, microscopic morphology and mechanical properties of glass-ceramics were discussed. The results show that the fracture toughness of glass-ceramics increases significantly with the increase of diopside phase ratio, but the bending strength of glass-ceramics decreases when diopside phase ratio is too high. Therefore, in order to prepare glass-ceramics with high fracture toughness and bending strength, columnar crystals are required to crisscross and granular crystals are required to fill the gaps, which together play a synergistic strengthening role. When the basic glass with heat treatment at 750 ℃ for 2 h+810 ℃ for 2 h+880 ℃ for 2 h+950 ℃ for 2 h, the fracture toughness of glass-ceramics can up to 5.1 MPa·m^1/2, the bending strength can up to 255 MPa, and the vickers hardness is 8.3 GPa.

Key words: gahnite-diopside glass-ceramics, self-toughening, fracture toughness, bending strength, heat treatment process, orthogonal test

中图分类号:

TQ171

赵竞一, 王闻之, 王其琛, 符有杰, 段佳岐, 李铭涵, 姜宏. 自增韧锌尖晶石-透辉石微晶玻璃力学性能的研究[J]. 硅酸盐通报, 2023, 42(4): 1458-1465.

ZHAO Jingyi, WANG Wenzhi, WANG Qichen, FU Youjie, DUAN Jiaqi, LI Minghan, JIANG Hong. Mechanical Properties of Self-Toughening Gahnite-Diopside Glass-Ceramics[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2023, 42(4): 1458-1465.

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自增韧锌尖晶石-透辉石微晶玻璃力学性能的研究

Mechanical Properties of Self-Toughening Gahnite-Diopside Glass-Ceramics

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