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Numerically and Experimentally Investigation of the Effect of Anisotropy and Stress Triaxiality on the Fracture Strain [PDF]

مهندسی مکانیک شریف, 2023
The aim of this article is to investigate numerically and experimentally the effect of stress triaxiality and anisotropy on the fracture strain for metals. As the aluminum has always been one of the most widely used metals in the industry. This metal has
P. Abedinimanesh, F. Hazinia, M. Ganjiani   +2 more
doaj   +1 more source

High Strain Rate Properties of Various Forms of Ti6Al4V(ELI) Produced by Direct Metal Laser Sintering

Applied Sciences, 2021
For analysis of engineering structural materials to withstand harsh environmental conditions, accurate knowledge of properties such as flow stress and failure over conditions of high strain rate and temperature plays an essential role. Such properties of
Amos Muiruri, Maina Maringa, Willie du Preez   +2 more
doaj   +1 more source

Numerical Study about the Influence of Superimposed Hydrostatic Pressure on Shear Damage Mechanism in Sheet Metals

Metals, 2021
It is generally accepted that the superimposed hydrostatic pressure increases fracture strain in sheet metal and mode of fracture changes with applying pressure.
Mohammadmehdi Shahzamanian, Chris Thomsen, Amir Partovi, Zhutian Xu, Peidong Wu   +4 more
doaj   +1 more source

Machine Learning for Predicting Fracture Strain in Sheet Metal Forming

Metals, 2022
Machine learning models are built to predict the strain values for which edge cracking occurs in hole expansion tests. The samples from this test play the role of sheet metal components to be manufactured, in which edge cracking often occurs associated ...
Armando E. Marques, Mario A. Dib, Ali Khalfallah, Martinho S. Soares, Marta C. Oliveira, José V. Fernandes, Bernardete M. Ribeiro, Pedro A. Prates   +7 more
doaj   +1 more source

Mechanical Response of CNT/2024Al Composite to Compression and Tension at Different Strain Rates

Metals, 2023
Compressive and tensile properties of a carbon nanotube (CNT) reinforced 2024Al composite are investigated under quasi-static and dynamic compression as well as quasi-static tension, along three different directions (extrusion, normal and transverse ...
Jiajie Xiang, Yuxuan Zheng, Jiang Li, Zhanqiu Tan   +3 more
doaj   +1 more source

Study on the Microstructure and Mechanical Properties of 60NiTi Alloy Quenched by Hot Oil

Metals, 2022
60NiTi alloys have a tremendous potential to be used in aerospace, marine and automotive industries. There is still a need to further improve the deformability due to the high brittleness of the previously prepared 60NiTi.
Jie Zhou, Cheng Wang, Yichen Fu, Chenxi Dong, Hongchao Zhang, Yunpeng Hu, Shijie Hao   +6 more
doaj   +1 more source

Evaluation of Localized Necking Models for Fracture Prediction in Punch-Loaded Steel Panels

Journal of Marine Science and Engineering, 2021
This study compared the experimental test results on punch-loaded unstiffened and stiffened panels with numerical predictions using different localized necking modeling approaches with shell elements.
Burak Can Cerik, Kangsu Lee, Joonmo Choung   +2 more
doaj   +1 more source

Experimental determination of the plastic deformation and fracture behavior of polypropylene composites under various strain rates

Polymer Testing, 2021
A strain measurement method is proposed that defines an intrinsic flow stress equation for various strain rates using representative brittle and ductile polypropylene composites.
Minsoo Kim, Tae Yun Park, Seokmoo Hong
doaj   +1 more source

Effect of Stress-Relieving Heat Treatment on the High Strain Rate Dynamic Compressive Properties of Additively Manufactured Ti6Al4V (ELI)

Metals, 2020
A study was undertaken on the compressive high strain rate properties and deformation behaviour of Direct Metal Laser-Sintered (DMLS) Ti6Al4V (ELI) parts in two separate forms: as-built (AB) and stress relieved (SR).
Amos Muiruri, Maina Maringa, Willie du Preez, Leonard Masu   +3 more
doaj   +1 more source

Evaluation of impact ductile fracture behaviour of low carbon austenitic stainless steel SUS304L using damage mechanics model [PDF]

EPJ Web of Conferences, 2021
To clarify the applicability of the Gurson-Tvergaard-Needleman (GTN) model for impact ductile fracture behaviour, SHB test was reproduced by finite element analysis (FEA).
Takazawa Hidekazu, Yashirodai Kenji, Yamada Hiroyuki, Ogasawara Nagahisa, Kumagai Tomohisa   +4 more
doaj   +1 more source