| 包容核废物的钛酸锶人造岩石SHS-致密化的影响因素 |
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| 引用本文： | 张瑞珠,郭志猛. 包容核废物的钛酸锶人造岩石SHS-致密化的影响因素[J]. 北京科技大学学报, 2008, 30(12) |
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| 作者姓名： | 张瑞珠 郭志猛 |
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| 作者单位： | 1. 华北水利水电学院机械学院,郑州,450011;北京科技大学材料与工程学院,北京,100083
2. 北京科技大学材料与工程学院,北京,100083 |
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| 摘 要： | 采用自蔓延高温合成(SHS)与加压致密一体化技术制备了包容锶核素(Sr2+)的钛酸锶(SrTiO3)人造岩石固化体. 通过实验分析SHS产物致密化的影响因素,确定了钛酸锶反应体系自蔓延高温合成时的最佳工艺参数:预制块相对密度为54%左右;预压力为10MPa,加压时间为4s;致密化时高压压力为300MPa,高压保压时间为8s.
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| 关 键 词： | 钛酸锶 自蔓延高温合成(SHS) 致密化 参数优化 |
Influential factors of SHS-densification method for solidifying nuclear waste in SrTiO_3 synroc |
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| ZHANG Ruizhu,GUO Zhimeng. Influential factors of SHS-densification method for solidifying nuclear waste in SrTiO_3 synroc[J]. Journal of University of Science and Technology Beijing, 2008, 30(12) |
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| Authors: | ZHANG Ruizhu GUO Zhimeng |
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| Affiliation: | ZHANG Ruizhu1,2),GUO Zhimeng2)1)School of Machine,North China Institute of Water Conservancy , Hydroelectric Power,Zhengzhou 450011,China2)School of Materials Science , Technology,University of Science , Technology Beijing,Beijing 100083,China |
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| Abstract: | SrTiO3 in which Sr2+ is included was solidified by self-propagation high-temperature synthesis(SHS).Some influential factors on the solid dendification were analyzed by experiment.The optimal process parameters for preparing SrTiO3 and composites were determined as the following:the preform density of 56%;the pre-pressure of 10 MPa,the pressing time of 4 s;the high pressure of 300 MPa,the dwell time of 8 s under high pressure. |
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| Keywords: | strontium titanate self-propagation high-temperature synthesis(SHS) densification parameter optimization |
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