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DOI | 10.1029/2021GL095001 |
Microscopic characterizations of heterogeneous pores, ITZs, multiple-solids and their impacts on damage property of sandstone by low-high resolution 3D reconstruction | |
Zhi Zhao; Xiao-Ping Zhou | |
2021-09-23 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2021 |
英文摘要 | Heterogeneity representations of rocks can bring out large errors due to inaccurate partitions of different phases. This study aims to deeply characterize the microscopic heterogeneity in rocks represented by different phases and to study their effects on damage properties of sandstone. X-ray μ-CT imaging with low-high resolution is applied to capture microstructures information. Digital analysis with statistical models is employed to accurately characterize the heterogeneity. The effects of microscopic heterogeneity on the damage properties are analyzed using the numerical simulations and coupling MPS-MC (multiple point statistic-marching cube) 3D reconstruction algorithm. Results show that the microscopic heterogeneity of sandstone can be effectively characterized by Lorentz distribution model, and model with high resolution shows better R2 values. With increasing segmentation accuracy of microscopic phases, micro-grain-2 phase plays decisive roles in determining the compressive strength of sandstone. The microscopic samples S1-S2 are failed by the mixed modes of transgranular and intergranular failures. This article is protected by copyright. All rights reserved. |
领域 | 气候变化 |
URL | 查看原文 |
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文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/338796 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Zhi Zhao,Xiao-Ping Zhou. Microscopic characterizations of heterogeneous pores, ITZs, multiple-solids and their impacts on damage property of sandstone by low-high resolution 3D reconstruction[J]. Geophysical Research Letters,2021. |
APA | Zhi Zhao,&Xiao-Ping Zhou.(2021).Microscopic characterizations of heterogeneous pores, ITZs, multiple-solids and their impacts on damage property of sandstone by low-high resolution 3D reconstruction.Geophysical Research Letters. |
MLA | Zhi Zhao,et al."Microscopic characterizations of heterogeneous pores, ITZs, multiple-solids and their impacts on damage property of sandstone by low-high resolution 3D reconstruction".Geophysical Research Letters (2021). |
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