LI Ningxia, b, DING Yana, b, ZHANG Honga, b, LEI Yinyuana, b, ZENG Shuanga, b,ZHAO Feia, b, LIU Shilinc, LI Yuanzec, LIANG Jinshenga, b
(a. Key Laboratory of Special Functional Materials for Ecological Environment and Information, Ministry of Education, b. Institute of Power Source and Ecomaterials Science, c. School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300401, China)
Abstract：As a complex boron-containing silicate mineral, tourmaline has properties of natural spontaneous polarization, piezoelectricity, pyroelectricity, negative ion release and infrared radiation, and has broad application prospects in the fields of environmental protection, energy saving, human health and so on. Among these excellent properties of tourmaline powders, the spontaneous polarization performance is the core. In order to standardize the enterprises production of tourmaline powders and lead their high value-added utilization, this work determined the test principle of spontaneous polarization performance. Also, the intensity calculation, device design and testing procedure for spontaneous polarization of tourmaline powders were studied, the key technical specifications were determined through extensive experimental data to ensure that meet the production and application reality. Finally, the national standard of Test Method for Spontaneous Polarization of Tourmaline based on the pyroelectric-charge integration test principle is proposed.
Keywords：tourmaline powder; mineral material; spontaneous polarization performance; test method; standardization
Get Citation：LI N X, DING Y, ZHANG H, et al. Method and standardization for testing spontaneous polarization properties of tourmaline powder[J]. China Powder Science and Technology, 2023, 29(5): 17-22.
DOI：10.13732/j.issn.1008-5548.2023.05.003
Received：2023-04-14,Revised：2023-05-27,Online：2023-07-27 08：50。
Funding Project：河北省自然科学基金项目,编号:E2020202067;河北省“巨人计划”创新团队领军人才计划项目, 编号: 61/161084。
First Author：李柠希(1997—),女,硕士研究生,研究方向为无机矿物功能材料。E-mail: lemonlee999@163.com。
Corresponding Author：
张红(1984—),女,副教授,博士,硕士生导师,研究方向为无机矿物功能材料、生态环境功能材料。E-mail: zhanghong@hebut.edu.cn。
梁金生(1964—),男,研究员,博士,博士生导师,研究方向为无机矿物功能材料、生态环境功能材料。E-mail: liangjinsheng@hebut.edu.cn。
CLC No：TD985; TB4
Type Code：A
Serial No：1008-5548(2023)05-0017-06
