Results 1 to 10 of about 34,504 (250)

Analysis of crack propagation energy and effective unit hindering crack propagation

Journal of Materials Research and Technology
Impact tests were conducted on deposited metal of 690 MPa HSLA steel with inter-pass temperatures of 80 °C and 200 °C. The micro-structure and crack propagation path in the near fracture zone were observed using OM, SEM, EBSD and other analytical ...
Aihua Wang, Jing Wang, Yun Peng, Lin Zhao, Yang Cao, Xianglei Kong, Liang Chu, Ziqiang Wang, Guanghui Xu   +8 more
doaj   +2 more sources

Prediction of fatigue crack growth using convolutional neural network (2nd Report, Prediction of crack propagation on different levels)

Nihon Kikai Gakkai ronbunshu, 2023
In this paper, the prediction of crack propagation with two cracks using machine learning is described. The analysis results of crack propagation by s-version FEM (s-FEM), which combines the automatic mesh generation technique, are used for generation of
Rekisei OZAWA, Takuya TOYOSHI, Ryuhei TAICHI, Yoshitaka WADA   +3 more
doaj   +1 more source

Fatigue Crack Growth Analysis with Extended Finite Element for 3D Linear Elastic Material

Metals, 2021
This paper presents computational modeling of a crack growth path under mixed-mode loadings in linear elastic materials and investigates the influence of a hole on both fatigue crack propagation and fatigue life when subjected to constant amplitude ...
Yahya Ali Fageehi
doaj   +1 more source

Stress intensity factors and crack propagation path under mixed mode conditions [PDF]

Journal of Structural and Construction Engineering, 2016
Use of crack propagation principles based on SIFs (stress intensity factors) is among the most common methods of fracture mechanic engineering. SIF is an important parameter in fracture analysis. In analyzing elastic fracture, SIF reveals the stress near
Ramin Faridvand, Mohammad Taghi Kazemi
doaj   +1 more source

Crack propagation test and structural analysis to predict fracture behavior of aluminum alloy tanks

Nihon Kikai Gakkai ronbunshu, 2022
Physics model-based quantitative safety analysis method should be established both for meeting the strict flight safety requirement and maximize the mission flexibility of the flagship liquid rockets.
Kota AKAI, Keiichiro FUJIMOTO, Hidehiro HATA, Miki NISHIMOTO, Nobuyuki IIZUKA   +4 more
doaj   +1 more source

Peridynamic Modeling for Crack Propagation Analysis of Materials [PDF]

Journal of the Computational Structural Engineering Institute of Korea, 2018
In this paper, the computer simulations are carried out by using the peridynamic theory model with various conditions including quasi-static loads, dynamic loads and crack propagation, branching crack pattern and isotropic materials, orthotropic materials. Three examples, a plate with a hole under quasi-static loading, a plate with a pre-existing crack
Chung, Won-Jun, Oterkus, Erkan, Lee, Jae-Myung   +2 more
openaire   +4 more sources

Modeling of Shear Crack Propagation in Rock Masses Using Mesh-Free LRPIM

Advances in Civil Engineering, 2021
The modeling of shear cracks in materials is critical in various engineering applications, such as the safety analysis of concrete structures and stability analysis of rock slopes.
Qingbo Li, Nengxiong Xu, Weifeng Wan, Yazhe Li   +3 more
doaj   +1 more source

Prediction of the Crack Front Shape of the Corner Interface Crack

Applied Sciences, 2023
This study delves into the analysis of interface crack propagation originating from a right-angle corner along the bonding plane between the two plates composed of dissimilar materials.
Jelena M. Djoković, Ružica R. Nikolić, Jana Pastorková, Robert Ulewicz   +3 more
doaj   +1 more source

Early crack detection using modified spectral clustering method assisted with FE analysis for distress anticipation in cement-based composites

Scientific Reports, 2021
The present work reports an efficient way of capturing real-time crack propagation in concrete structures. The modified spectral analysis based algorithm and finite element modeling (FEM) were utilised for crack detection and quantitative analysis of ...
Ajitanshu Vedrtnam, Santosh Kumar, Gonzalo Barluenga, Shashikant Chaturvedi   +3 more
doaj   +1 more source

Interactions between microstructure and fatigue crack growth in αβ titanium alloy [PDF]

MATEC Web of Conferences, 2020
In a context of optimization of the crack propagation resistance properties in αβ titanium alloys, this work aim to explore interactions between microstructure and deformation at crack tip in lamellar titanium alloy, especially regarding to the ...
Renon Vincent, Henaff Gilbert, Larignon Céline, Perusin Simon, Villechaise Patrick   +4 more
doaj   +1 more source