07 烧结时间对SPS制备的不锈钢渣玻璃陶瓷理化性能的影响机理研究

刘赛余;欧阳顺利;韩港;吴楠楠;

• 1:内蒙古科技大学理学院

• 2:内蒙古科技大学内蒙古自治区白云鄂博矿多金属资源综合利用重点实验室

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摘要(Abstract)：

以不锈钢渣为主要原料,同时添加部分化学纯试剂配制原料,采用高温熔融水淬法制备玻璃粉末,最后采用放电等离子烧结(SPS)法以水淬粉末为原料制备了玻璃陶瓷复合材料.研究了不同保温时间对制备的玻璃陶瓷微观结构、结晶度、腐蚀特性和力学性能的影响.结果表明:保温时间从0 min延长到5 min会提高玻璃陶瓷的结晶度,但10 min的保温时间对样品性能并没有提升.样品在较长的保温时间加工下会导致晶体粒径粗大,从纳米晶生长为亚微米晶,不利于其性能的提升.玻璃陶瓷腐蚀后的AFM测试表明,样品的耐腐蚀性跟其中的晶体体积占比有明显的相关性,同时发现玻璃陶瓷的腐蚀行为中晶体相比较于玻璃比较难被腐蚀,但随着腐蚀程度的加深晶体也会受到一定程度的腐蚀.

关键词(KeyWords)： 放电等离子烧结;不锈钢渣;玻璃陶瓷;原子力显微镜

基金项目(Foundation): 国家自然科学基金资助项目(11964025;11564031);; 内蒙古自治区重大基础研究开放课题资助项目(0406091701);; 内蒙古自治区自然科学基金资助项目(2018LH02004);; 内蒙古科技大学创新基金资助项目(2019YQL06)

作者(Author): 刘赛余;欧阳顺利;韩港;吴楠楠;

Email:

DOI: 10.16559/j.cnki.2095-2295.2021.01.007

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