Method and electronic equipment for evaluating microstructure based on shale nanoindentation curve
A microstructure and nano-indentation technology, which is applied in electrical digital data processing, design optimization/simulation, testing material hardness, etc., can solve problems such as high cost, difficulty in meeting real-time monitoring and analysis requirements, and long time-consuming manual locking of indentation points , to achieve cost savings
Active Publication Date: 2021-08-24
CHINA UNIV OF MINING & TECH (BEIJING)
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Problems solved by technology
However, these microscopic testing techniques are complex to operate and costly
Moreover, since the scale of the nano-indentation point is at the micro-nano level, it takes a long time to manually lock the position of the indentation point, which is difficult to meet the real-time monitoring and analysis requirements during the on-site construction process.
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[0062] In order to better understand the above-mentioned technical solution, the above-mentioned technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0063] The method provided by the present invention can be implemented in the following terminal environment, and the terminal can include one or more of the following components: processor, memory and display screen. Wherein, at least one instruction is stored in the memory, and the instruction is loaded and executed by the processor to implement the methods described in the following embodiments.
[0064] A processor may include one or more processing cores. The processor uses various interfaces and lines to connect various parts of the entire terminal, and executes various functions of the terminal by running or executing instructions, programs, code sets or instruction sets stored in the memory, and calling data stored in the memory and proc...
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The invention relates to a method for evaluating a microstructure based on a shale nanoindentation curve and electronic equipment. The method comprises the following steps: acquiring a displacement load curve of a shale surface nanoindentation point; calculating a mechanical evaluation value according to the displacement load curve; and determining the microstructure of the shale according to the form of the displacement load curve and the mechanical evaluation value. According to the method disclosed by the invention, the displacement load curve is obtained only by utilizing a nanoindentation technology, and the microstructure and mineral composition of the indentation point are evaluated according to the characteristics of the displacement load curve without adopting other microscopic testing technologies. According to the method, the indentation points do not need to be manually locked, and the problem that in the prior art, when the indentation points are randomly distributed, the microstructure cannot be directly pushed out corresponding to the indentation points through EDS, SEM and the like is solved.
Description
technical field [0001] The invention relates to the technical fields of tunnel engineering technology and mine safety mining, in particular to a method and electronic equipment for evaluating microstructure based on shale nano-indentation curves. Background technique [0002] As a special soft rock, shale is easy to break and muddy. In addition, the mining of mineral resources is gradually developing to the deep, and the geological structure and environment are complex, which makes coring operations very difficult. It is also difficult to obtain shale rocks through traditional laboratory tests. mechanical parameters. In addition, shale has multi-scale pores and micro-cracks, complex microstructure, and diverse mineral compositions. It is necessary to analyze the rock mechanical deformation and failure characteristics of shale from the microscopic scale, and to analyze shale oil and gas exploitation, slope stability and Tunnel support and other fields are of great significan...
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IPC IPC(8): G01N3/44G06F30/20G06F119/14
CPCG01N3/44G01N2203/0082G06F30/20G06F2119/14
Inventor 杨柳张子涵何满潮毛玉铤张金行韩振川郑伟程梁健王佳硕夏东岳
Owner CHINA UNIV OF MINING & TECH (BEIJING)