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Modification and Verification of Fracture Criterion of BR1500HS Based on Freudenthal Fracture Criterion [PDF]

Proceedings of the 2015 2nd International Conference on Machinery, Materials Engineering, Chemical Engineering and Biotechnology, 2016
The hot tensile test of BR1500HS ultrahigh strength steel was carried out on Gleeble3500 thermo-mechanical simulator. The process was predicted by finite element simulation based on Freudenthal fracture criterion. Then, the Freudenthal fracture criterion is modified based on the relationship between the Freudenthal fracture criterion and fracture ...
Li Wang, Li Ren, Cai-hong Ye, Yu-feng Xia   +3 more
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On the Concentration Criterion of Fracture [PDF]

METALLOFIZIKA I NOVEISHIE TEKHNOLOGII, 2017
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Botvina, L.R., Soldatenkov, A.P.
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Fracturing criterion of rock hydrofracturing considering pore pressure effect

Frontiers in Earth Science, 2023
Traditional hydraulic fracturing theory believes that as the initial pore pressure increases, the breakdown pressure of the rock will decrease. Previous experimental studies have shown that the breakdown pressure of rock hydraulic fracturing may increase
Bingxiang Huang, Heng Li, Xinglong Zhao, Yuekun Xing   +3 more
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Effect of the stress state on the adhesive strength of an epoxy-bonded assembly

Fracture and Structural Integrity, 2022
The paper studies the adhesive strength of aluminum alloy specimens bonded with the use of an epoxy adhesive, under the tensile-shear stress state, depending on the testing temperature. Tension of modified Arcan specimens with load angles of 0, 22.5, 45,
Sergey Smirnov, Dmitry Konovalov, Irina Veretennikova, Aleksander Pestov, Viktoria Osipova   +4 more
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Study on Large Deformation Behavior of Polyacrylamide Hydrogel Using Dissipative Particle Dynamics

Frontiers in Chemistry, 2020
Meso-scale models for hydrogels are crucial to bridge the conformation change of polymer chains in micro-scale to the bulk deformation of hydrogel in macro-scale.
Jincheng Lei, Shuai Xu, Ziqian Li, Zishun Liu   +3 more
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Griffith Criterion for Brittle Fracture in Graphene [PDF]

Nano Letters, 2015
There are prevailing concerns with the critical dimensions when conventional theories break down. Here we find that the Griffith criterion remains valid for cracks down to 10 nm but overestimates the strength of shorter cracks. We observe the preferred crack extension along the zigzag edge in graphene, and explain this phenomenon by local strength ...
Hanqing, Yin, H Jerry, Qi, Feifei, Fan, Ting, Zhu, Baolin, Wang, Yujie, Wei   +5 more
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Using the Equivalent Material Concept and the Average Strain Energy Density to Analyse the Fracture Behaviour of Structural Materials

Applied Sciences, 2020
This paper provides a complete overview of the applicability of the Equivalent Material Concept in conjunction with the Average Strain Energy Density criterion, to provide predictions of fracture loads in structural materials containing U-notches.
Sergio Cicero, Juan Diego Fuentes, Ali Reza Torabi   +2 more
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A micromechanically motivated uncoupled model for ductile fracture prediction

工程科学学报, 2017
This paper is a contribution to the ductile fracture prediction by the proposal of a new uncoupled ductile fracture criterion. In the new criterion, two typical void deformation models were carefully considered, with the plastic strain increment regarded
MU Lei, ZANG Yong, Araujo Stemler Pedro Malaquias   +2 more
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Study on Formation Mechanism of Zonal Disintegration of Surrounding Rock in Deep Tunnel [PDF]

E3S Web of Conferences, 2021
With the construction of underground rock engineering, the surrounding rock in deep tunnels appears zonal disintegration of fracture and intact zones alternate distribution, which is a special engineering geological phenomenon.
Zhou Heng, An Xiaofan, Zhang Ying, Chen Xuguang, Di Shengjie, Lu Xi   +5 more
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A Fracture Criterion for Prediction of Fracture Initiation of Metal Materials at Various Stress States for Nuclear Waste Storage

Science and Technology of Nuclear Installations, 2019
A fracture criterion is newly proposed to evaluate fracture behavior and predict fracture initiation of metal materials in different complicated stress states for four different fracture mechanisms including quasicleavage fracture, normal fracture with ...
Zhihui Li, Xue Yang, Anmin Tang
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