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Concrete double-K fracture toughness and fracture energy influenced by porosity and pore size [PDF]
Scientific ReportsThe diameter and quantity of internal pores in concrete significantly influence its mechanical properties. While existing studies predominantly focus on the influence of pore quantity, this study utilizes pre-fabricated pores made from polystyrene ...
Guohui Zhang +5 more
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Exceptional fracture toughness of CrCoNi-based medium- and high-entropy alloys at 20 kelvin [PDF]
Science, 2022 CrCoNi-based medium- and high-entropy alloys display outstanding damage tolerance, especially at cryogenic temperatures. In this study, we examined the fracture toughness values of the equiatomic CrCoNi and CrMnFeCoNi alloys at 20 kelvin (K).
Dong Liu +12 more
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Petroleum, 2021 The mode-I fracture toughness is of great significance for evaluating the fracturing ability of shale reservoirs. In this study, the mode-I fracture toughness of the shale in the Lower Silurian Longmaxi Formation, Southern Sichuan Basin was determined ...
Jian Xiong +4 more
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Evaluation of Mode II Fracture Toughness of Hybrid Fibrous Geopolymer Composites
Materials, 2021 This research aims to examine the fracture toughness of hybrid fibrous geopolymer composites under mode II. For this purpose, eight geopolymer mixtures were cast and tested to evaluate the influence of steel and synthetic fiber hybridization on mode II ...
S. Abid +5 more
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Rock Mechanics and Rock Engineering, 2021 This article discusses the scale dependence of the mode I\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength ...
S. Ghouli +4 more
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Mathematics, 2023 Among the studies of the effect of rock’s heterogeneity on hydraulic fracture propagation, very little information on the effects of the heterogeneity of rock’s fracture toughness is available. The objective of the present paper is to develop a planar-3D
Kairui Li +5 more
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You-qi chuyun, 2022 In this study, numerical simulation analysis on fracture of girth welds on pipelines with crack defect and small Single Edge Notch Beam(SENB) was performed with the finite element method for accurately characterizing the correlation of apparent fracture ...
Jinxu JIANG +5 more
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Modeling the effect of temperature and notch root radius on fracture toughness
Frontiers in Materials, 2022 In this work, a physics-based analytical model without any fitting parameters for fracture toughness depending on temperature was proposed. The quantitative relationship between fracture toughness, melting point, Young’s modulus, Poisson’s ratio, and ...
Yong Deng +4 more
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Interfacial fracture characterization of multi-material additively manufactured polymer composites
Composites Part C: Open Access, 2021 In this study, a comprehensive experimental investigation is performed to observe the influence of printing process parameters on the interfacial fracture toughness of bi-material additively manufactured composites.
Md Fazlay Rabbi, Vijaya Chalivendra
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Nano-Micro Letters, 2020 Lamellar-structured graphene aerogels with vertically aligned and closely stacked high-quality graphene lamellae are fabricated. The superior thermally conductive capacity of the aerogel endows epoxy with a high through-plane thermal conductivity of 20.0
Pengfei Liu +6 more
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