BRITTLENESS

作品数：93被引量：245H指数：9
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Brittleness evaluation of gas-bearing coal based on statistical damage constitution model and energy evolution mechanism
《Journal of Central South University》2025年第2期566-581,共16页XUE Yi WANG Lin-chao LIU Yong RANJITH P G CAO Zheng-zheng SHI Xu-yang GAO Feng KONG Hai-ling 
Project(52274096)supported by the National Natural Science Foundation of China;Project(WS2023A03)supported by the State Key Laboratory Cultivation Base for Gas Geology and Gas Control,China。
Accurate assessment of coal brittleness is crucial in the design of coal seam drilling and underground coal mining operations.This study proposes a method for evaluating the brittleness of gas-bearing coal based on a ...
关键词：gas pressure statistical damage constitutive model energy evolution mechanism brittleness evaluation gas bearing coal 
Quantitative Evaluation of Rock Brittle Property Based on Energy Evolution and Its Application in Three Gorges Reservoir Area
《Journal of Earth Science》2024年第6期2013-2029,共17页Tao Wen Yankun Wang Huiming Tang 
funded by the National Natural Science Foundation of China(No.42477174,42002268);the Science and Technology Program of the Tibet Autonomous Region(Nos.XZ202301YD0034C,XZ202202YD0007C,XZ202402 ZD0001);the Open Fund of Anhui Intelligent Underground Detection Technology Research Institute(No.AHZT2023KF03);the Qinghai Province Basic Research Program Project(No.2024-ZJ-904)。
Brittleness is of great significance for evaluating the mechanical properties of the slope rock in reservoir area and revealing the brittle failure mechanism of the rocks.Although a series of definitions of the brittl...
关键词：ROCKS brittleness index complete stress-strain curve deformation and failure energy evolution slope stability engineering geology 
Circumventing brittleness of 3D-printed Al_(2)O_(3)cellular ceramic structures via compositing with polyurea
《Rare Metals》2024年第11期5994-6005,共12页Xue-Qin Zhang Ru-Yue Su Xiong Gao Jing-Yi Chen Guo Liu Ru-Jie He Ying Li 
financially supported by the National Natural Science Foundation of China(No.52275310);the Open Project of State Key Laboratory of Explosion Science and Technology(No.QNKT22-15);the BIT Research and Innovation Promoting Project(No.2022YCX020)。
Benefiting from excellent mechanical properties and low density,cellular ceramic structures(CCSs)are competitive candidates as structural components.However,inherent brittleness from strong chemical bonds among atoms ...
关键词：Cellular ceramic structures Dual-phase interpenetrated composites Energy-absorbing ability Compressive strength 3D printing 
A new type of shale gas reservoir—carbonate-rich shale: From laboratory mechanical characterization to field stimulation strategy
《Petroleum Science》2024年第5期3047-3061,共15页Zhen-Hui Bi Lei Wang Chun-He Yang Yin-Tong Guo Wu-Hao Guo Han-Zhi Yang 
sponsored by the “National Natural Science Foundation of China” (No. U22B6003), (No. 52104010), and (No. 52104046)。
Recently, a new promising type of marine shale gas reservoir, carbonate-rich shale, has been discovered.But the mechanical properties of this type of shale were still unrevealed and the corresponding reservoir stimula...
关键词：Carbonate-rich shale Brittleness evaluation Mechanical property Lithological difference Reservoir stimulation 
Systematic prediction of the gas content, fractures, and brittleness in fractured shale reservoirs with TTI medium
《Petroleum Science》2024年第5期3202-3221,共20页Yun Zhao Xiao-Tao Wen Chen-Long Li Yang Liu Chun-Lan Xie 
financially supported by the Sichuan Science and Technology Program (Grant No. 2023ZYD0158);the National Natural Science Foundation of China (Grant Nos. 42304147 and 42304076)。
The main objective is to optimize the development of shale gas-rich areas by predicting seismic sweet spot parameters in shale reservoirs. We systematically assessed the fracture development, fracture gas content, and...
关键词：Petrophysical modeling Brittleness index Fracture gas indication factor(GFI) Tilted transversely isotropic(TTI) Fracture density 
Assessing shale gas potential through classification of geochemical and mechanical properties of reservoir facies in the Upper Devonian shale succession,Liard Basin,Canada
《Episodes》2024年第3期451-463,共13页Sung Kyung Hong Yuri Kim Carl Ozyer 
supported by 2023 Research Grant from Kangwon National University,by National Research Foundation of Korea(NRF)grant funded by the Korea government(MSIT)(No.2022R1F1A1075039);by the International Energy Joint R&D Program of Korea Institute of Energy Technology Evaluation and Planning(KETEP),granted financial resource from the Ministry of Trade,Industry&Energy(MOTIE)of the Republic of Korea(No.20225B10300050).
A comprehensive estimation of shale generation/storage capacity(original generative organic carbon(GOCo))and hydraulic fracturing characteristics(brittleness index(BI))was conducted in the Upper Devonian shale sequenc...
关键词：generative organic carbon goco shale gas biogenic detrital silica co hydraulic fracturing characteristics brittleness mechanical properties biogenic silica 
Significantly ameliorating room-temperature brittleness of refractory high-entropy alloys via in situ heterogeneous structure
《Journal of Materials Science & Technology》2024年第26期1-17,共17页Dong Han Baijun Yang Wenlong Xu Hongwang Yang Guofeng Han Xiaoming Wang Jianqiang Wang 
supported by the National Key Research&De-velopment Program of China(No.2022YFF0609002);the National Natural Science Foundation of China(Nos.U1908219,52171163,and 52271157);the Key Research Program of the Chinese Academy of Sciences(No.ZDRW-CN-2021-2-2);the key Research&Devel-opment Plan of Jiangxi Province(No.20192ACB80001);the Natu-ral Science Foundation of Liaoning Province(No.2022-BS-001);the China Postdoctoral Science Foundation(No.2022M713210);the Shenyang National Laboratory for Materials Science.
Although refractory high-entropy alloys(RHEAs)possess excellent softening resistance and thermal sta-bility at high temperatures,their practical application is often limited due to room temperature(RT)brit-tleness.In ...
关键词：Refractory high-entropy alloy Heterogeneous structure Heterodeformation-induced hardening BRITTLENESS PLASTICITY B2 phase 
A thermo-mechanical damage constitutive model for deep rock considering brittleness-ductility transition characteristics
《Journal of Central South University》2024年第7期2379-2392,共14页FENG Chen-chen WANG Zhi-liang WANG Jian-guo LU Zhi-tang LI Song-yu 
Project(11272119)supported by the National Natural Science Foundation of China。
This paper developed a statistical damage constitutive model for deep rock by considering the effects of external load and thermal treatment temperature based on the distortion energy.The model parameters were determi...
关键词：deep rock crack initiation threshold thermo-mechanical coupling statistical damage model distortion energy theory 
An improved method to calculate the rock brittleness index PEECR based on linear energy storage law被引量：1
《Deep Resources Engineering》2024年第1期27-40,共14页Fengqiang Gong Yiru Zuo Song Luo Yunliang Wang 
supported by the National Natural Science Foundation of China(Grant No.42077244).
The peak elastic strain energy consumption ratio(PEECR)is a rock brittleness index proposed by Gong and Wang.In the present study,based on the linear energy storage law of rock under triaxial compression,a new method ...
关键词：Rock brittleness index Linear energy storage law Peak elastic strain energy Triaxial cyclic loading-unloading compression test 
Acoustic emission signal identification of different rocks based on SE-1DCNN-BLSTM network model
《Global Geology》2024年第1期43-55,共13页WANG Weihua WANG Tingting 
Supported by projects of the National Natural Science Foundation of China(Nos.52074088,52174022,51574088,51404073);Provincial Outstanding Youth Reserve Talent Project of Northeast Petroleum University(No.SJQH202002);2020 Northeast Petroleum University Western Oilfield Development Special Project(No.XBYTKT202001);Postdoctoral Research Start-Up in Heilongjiang Province(Nos.LBH-Q20074,LBH-Q21086).
In order to study fracture mechanism of rocks in different brittle mineral contents,this study pro-poses a method to identify the acoustic emission signal released by rock fracture under different brittle miner-al con...
关键词：BRITTLENESS acoustic emission signal 1DCNN BLSTM SENet 
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