材料导报 2021, Vol. 35 Issue (Z1): 100-103
无机非金属及其复合材料
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口腔托槽用ZTA陶瓷材料凝胶注模成型工艺的研究
武梓诺1,2 , 贾泓钰1,2 , 张宇晴1,2 , 陈旸1,2
1 华北理工大学材料科学与工程学院,唐山 063000 2 河北省无机非金属材料实验室,唐山 063000
Research on Gel Injection Molding of Dental Braces with ZTA Ceramic Materials
WU Zinuo1,2 , JIA Hongyu1,2 , ZHANG Yuqing1,2 , CHEN Yang1,2
1 College of Materials Science and Engineering, North China University of Technology, Tangshan 063000, China 2 Hebei Provincial Laboratory of Inorganic Nonmetallic Materials, Tangshan 063000, China
摘要 为提高ZTA陶瓷在口腔临床应用中的性能,本实验以高分子聚合物作为粘结剂,羧甲基纤维素为骨架制备口腔托槽用ZTA陶瓷材料。通过探究粉体固含量、羧甲基纤维素(CMC)用量、丙烯酸(AA)用量、过硫酸铵(APS)用量四个因素对ZTA陶瓷材料的抗弯强度、断裂韧性的影响规律,制备最优工艺水平下的ZTA陶瓷并进行性能测试。结果表明:CMC加入量为0.85 g、APS加入量为0.8 g、AA加入量为7.5 mL、Al2 O3 加入量为110 g、ZrO2 加入量为33 g时,ZTA陶瓷材料的抗弯强度为222.3 MPa,断裂韧性为8.67 MPa·m1/2 ,相对致密度为0.977,抗剪切强度在6.06~6.93 MPa之间,满足临床需求。
关键词:
凝胶注模
ZTA陶瓷
羧甲基纤维素
丙烯酸
Abstract: In order to improve the performance of ZTA ceramics in oral clinical application, dental braces with ZTA ceramic materials were prepared by gel injection molding, polymer as adhesive, carboxymethyl cellulose as skeleton. We explored the influence of powder solid content, carboxymethyl cellulose (CMC), acrylic acid (AA) and ammonium persulfate (APS) on the bending strength, fracture toughness of ZTA ceramic materials. ZTA ceramics at the optimal process level were prepared and their properties were tested. The results showed as follows: the addition amount of CMC was 0.85 g, the addition amount of APS was 0.8 g, the addition amount of AA was 7.5 mL, the addition amount of Al2 O3 was 110 g, and the addition amount of ZrO2 was 33 g. The flexural strength of the ZTA ceramic material was 222.3 MPa, the fracture toughness was 8.67 MPa·m 1/2 , the relative density was 0.977, and the shear strength was between 6.06—6.93 MPa, meeting the clinical requirements.
Key words:
gel column molding
ZTA ceramics
carboxymethyl cellulose
acrylic acid
发布日期: 2021-07-16
基金资助: 河北省自然科学基金青年基金(E2016209327);华北理工大学大学生创新创业训练计划项目(R2020083;X2020067);华北理工大学教育教学改革研究与实践项目(Q1864-01);省属高校基本科研业务费项目(JYG2021001)
通讯作者:
chenyang@ncst.edu.cn
作者简介: 武梓诺,华北理工大学材料科学与工程学院2018级学生。在校期间,获得全国“互联网+”大赛校赛二等奖一项,优秀大学生称号,优秀学生干部。目前,主持和参与校级创新创业项目2项,已发表论文2篇,主要研究方向为口腔陶瓷托槽的改性,高聚物转化制备碳基吸波材料的研究等。陈旸,华北理工大学副教授,硕士研究生导师。2013年研究生毕业于山东大学材料科学与工程系,入职华北理工大学至今。在国内外学术期刊上发表论文20余篇,申请国家发明专利2项,其中授权2项。其团队主要研究方向包括:口腔托槽材料;碳纤维及其复合材料;陶瓷基吸波材料;碳基吸波材料。参与或主持完成科研项目10多项。已培养出硕士若干名,本科生百余名。
引用本文:
武梓诺, 贾泓钰, 张宇晴, 陈旸. 口腔托槽用ZTA陶瓷材料凝胶注模成型工艺的研究[J]. 材料导报, 2021, 35(Z1): 100-103.
WU Zinuo, JIA Hongyu, ZHANG Yuqing, CHEN Yang. Research on Gel Injection Molding of Dental Braces with ZTA Ceramic Materials. Materials Reports, 2021, 35(Z1): 100-103.
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