球磨时间对锰方硼石显微结构和发光特性的影响

叶原丰; 梁栋

doi:10.19591/j.cnki.cn11-1974/tf.2019.06.008

球磨时间对锰方硼石显微结构和发光特性的影响

doi: 10.19591/j.cnki.cn11-1974/tf.2019.06.008

叶原丰^{1, 2},
梁栋^{1, 2, ,}

1.
金陵科技学院材料工程学院, 南京 211169
2.
南京市视光材料与技术重点实验室, 南京 211169

基金项目:

金陵科技学院高层次人才启动基金资助项目 jit-b-201824

详细信息

通讯作者:
梁栋, E-mail: ld_fans@126.com

中图分类号: TQ128+.56
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- 文章访问数: 203
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- PDF下载量: 9
- 被引次数: 0
出版历程
- 收稿日期: 2018-12-24
- 刊出日期: 2019-12-27

Effect of milling time on microstructure and luminescent properties of chambersite

YE Yuan-feng^{1, 2},
LIANG Dong^{1, 2
, ,}

1.
College of Materials Engineering, Jingling Institute of Technology, Nanjing 211169, China
2.
Nanjing Key Laboratory of Optometric Materials and Technology, Nanjing 211169, China

More Information

Corresponding author: LIANG Dong, E-mail: ld_fans@126.com

摘要

摘要: 使用三维震动高能球磨机对选矿后的锰方硼石粉末进行球磨, 球磨时间设定为30、40及50 min, 采用透射电子显微镜(transmission electron microscope, TEM)、扫描电子显微镜(scanning electron microscope, SEM)以及X射线衍射仪(X-raydiffraction, XRD)对球磨后锰方硼石粉末的形貌和结构进行表征, 利用Scherrer公式计算样品半高宽和晶粒尺寸, 并讨论球磨时间对锰方硼石发光特性的影响。结果表明, 锰方硼石经30、40、50 min高能球磨后, 样品粒径分别达到0.37、0.29、0.28 μm; 随球磨时间增加, 锰方硼石衍射峰明显宽化, (202)、(114)、(404)晶面的衍射峰强度明显降低, 晶面为不完全解理面; 锰方硼石样品发光强度随球磨时间增加明显降低。
- 锰方硼石 /
- 高能球磨 /
- 显微结构 /
- 发光特性
Abstract: The chambersite powders after mineral separation were prepared by 3D high-energy ball milling for 30, 40, and 50 min in this paper. Scanning electron microscope (SEM), transmission electron microscope (TEM), and X-ray diffraction (XRD) were utilized to characterize the microstructures of chambersite samples, and the Scherrer formula was used to calculate the half-height width and grain size of the samples. The luminescence properties of chambersite milled for different times were discussed. The results show that, the particle size of the chambersite samples after high-energy ball milling for 30, 40, and 50 min reaches 0.37, 0.29, and 0.28 μm, respectively. The diffraction peak of the chambersite samples is broadened with the increase of milling time, and the diffraction intensity of (202), (114), and (404) crystal faces decreases with the increases of milling time, noting the (202), (114), and (404) crystal faces are the incomplete cleavage planes. The luminescence intensity of the chamber site samples decreases remarkably with the increase of milling time.
- chambersite /
- high-energy ball milling /
- microstructure /
- luminescent properties

HTML全文

图 1 锰方硼石选矿后原始粉末扫描电子显微形貌和经高能球磨后透射电子显微形貌：（a）原始粉末扫描电子显微形貌；（b）球磨30 min透射电子显微形貌；（c）球磨40 min透射电子显微形貌；（d）球磨50 min透射电子显微形貌

Figure 1. Mcrostructures of chambersite powders after mineral separation and high-energy ball milling: (a) SEM image of raw powders; (b) TEM image of powders milled for 30 min; (c) TEM image of powders milled for 40 min; (d) TEM image of powders milled for 50 min

下载: 全尺寸图片幻灯片

图 2 锰方硼石原始粉末和球磨粉末X射线衍射谱图

Figure 2. XRD patterns of chambersite raw powders and ball-milled powders

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图 3 由Scherrer公式计算得到的锰方硼石晶粒尺寸及半高宽

Figure 3. Grain size and FWHM of chambersite powder particles calculated by the Scherrer formula

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图 4 原始粉末及球磨处理锰方硼石试样在470 nm波长激发下的发射光谱

Figure 4. Emission spectra of the raw and milled chambersite samples exited at 470 nm wavelength

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