Results 31 to 40 of about 495,690 (305)

On the high strain rate behavior of 63-37 Sn-Pb eutectic solders with temperature effects [PDF]

open access: yes, 2014
This study presents experimental results performed on samples of Eutectic solder material (63 wt. % Sn 37 wt. % Pb) loaded at high strain rates and elevated temperatures.
Bin Wang   +20 more
core   +1 more source

A non-ordinary state-based peridynamics formulation for thermoplastic fracture [PDF]

open access: yes, 2016
In this study, a three-dimensional (3D) non-ordinary state-based peridynamics (NOSB-PD) formulation for thermomechanical brittle and ductile fracture is presented.
Amani, J.   +5 more
core   +1 more source

Hot Deformation Behavior and Microstructure Evolution of 2219/TiB2 Al-matrix Composite [PDF]

open access: yesMaterials Research, 2020
Hot compression tests for 2219/TiB2 Al-matrix composite were conducted on a Gleeble-3500 isothermal simulator in the temperature range of 300~500°C and strain rates of 0.01, 0.1, 1, 10s-1 to obtain true stress strain curves.
Wang Jing, Liang Qiang, Li Ping
doaj   +2 more sources

Modelling, identification and application of phenomenological constitutive laws over a large strain rate and temperature range [PDF]

open access: yes, 2013
A review of the different phenomenological thermo-viscoplastic constitutive models often applied to forging and machining processes is presented. Several of the most common models have been identified using a large experimental database (Hor et al., 2013)
GERMAIN, Guénaël   +3 more
core   +8 more sources

Formulation and Implementation of the VPJC Material Model in EUROPLEXUS [PDF]

open access: yes, 2016
The report describes the formulation and implementation of the FORTRAN subroutine VPJC in EUROPLEXUS (abbreviated as EPX in the following). This is an elastic-thermoviscoplastic material model using the von Mises yield criterion, associated flow rule ...
AUNE Vegard   +3 more
core   +1 more source

DYNAMIC MECHANICAL PROPERTIES AND CONSTITUTIVE MODEL MODIFICATION OF SUS304 STAINLESS STEEL USED IN CARBODIES OF TRAINS

open access: yesJixie qiangdu, 2022
In order to study the dynamic mechanical properties of SUS304 stainless steel commonly used in rail vehicles, tensile tests under wide strain rates of 0.000 2 s-1~500 s-1 were carried out respectively.
LIU YuXin   +5 more
doaj  

Development of a new 3D model for the prediction of residual stress and fracture behaviour in Ti-6Al-4V after ultrasonic peening treatment [PDF]

open access: yes, 2017
Experimental and numerical studies have been carried out to determine the residual stress in Ti-6Al-4V after Ultrasonic Peening Treatment (UPT). Ultrasonic vibration output from the test equipment transducer was employed as the load to simulate the test ...
Li, W.   +5 more
core   +1 more source

Incorporation of Material Variability in the Johnson Cook Model

open access: yesProcedia Engineering, 2015
AbstractThe Johnson Cook (JC) material model is often used for modeling hypervelocity impacts (HVI) because it is capable of capturing high rate deformation and temperature effects. Within the JC model, material damage leading to fracture is aggregated using a path dependent damage parameter. Contributions to the damage parameter are calculated at each
Kupchella, Ryan   +4 more
openaire   +1 more source

Comparison of Machining Simulations of Aerospace Alloy Al6061-T6 Using Lagrangian and Smoothed Particle Hydrodynamics Techniques

open access: yesLubricants, 2022
This research focuses on the study of the simulation capabilities of the lagrangian (LAG) model and Smoothed Particle Hydrodynamics (SPH) model for the orthogonal dry machining of aluminum alloy Al6061-T6.
Muhammad N. Nawaz   +5 more
doaj   +1 more source

Calibration of Johnson-Cook Model Using Heterogeneous Thermo-Mechanical Tests

open access: yesProcedia Manufacturing, 2020
Abstract In the present work, a calibration methodology based on full-field measurements from heterogeneous thermo-mechanical tests is introduced. In order to evaluate the feasibility of this methodology, the widely adopted Johnson-Cook model is chosen.
João Peixoto Martins   +2 more
openaire   +1 more source

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