Structural Analysis of the Fracture Surface of a Heterogeneous Body (Quartz Sandstone)

被引：1
|
作者：
Vettegren', V. I. [1 ]
Mamalimov, R. I. [1 ]
Kulik, V. B. [1 ]
Patonin, A. V. [2 ]
Ponomarev, A. V. [3 ]
Sobolev, G. A. [3 ]
Shcherbakov, I. P. [1 ]
机构：
[1] Russian Acad Sci, Ioffe Inst, St Petersburg 194021, Russia
[2] Russian Acad Sci, Schmidt Inst Phys Earth, Borok Geophys Observ, Borok, Yaroslavl Oblas, Russia
[3] Russian Acad Sci, Schmidt Inst Phys Earth, Moscow 123242, Russia
来源：
PHYSICS OF THE SOLID STATE | 2017年 / 59卷 / 07期
基金：
俄罗斯基础研究基金会;
关键词：
CATHODOLUMINESCENCE; SPECTROSCOPY; REFLECTANCE; FRICTION; SPECTRA; ALPHA; BANDS;
D O I：
10.1134/S1063783417070307
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The structure of surface layers of quartz sandstone with a thickness of similar to 1 mu m before and after destruction by a compressive stress is studied by methods of infrared, photoluminescent, and Raman spectroscopy. Before destruction, this layer contained quartz grains cemented with montmorrillonite and kaolinite. The grains are covered with a thin water layer and have crystallographic defects: Si-O-, self-trapped excitons, AlOH and LiOH compounds, [AlO4](-) centers, etc. The destructed surface contains separate quartz grains with sizes of similar to 2 mu m and a reduced defect concentration. It is assumed that the defects reduce the strength of quartz grains, which are destroyed in the first turn.
引用
收藏
页码：1340 / 1344
页数：5
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