Results 1 to 10 of about 96,443 (168)

Design optimization of cruciform specimens for biaxial fatigue loading [PDF]

open access: yesFracture and Structural Integrity, 2014
In order to correctly assess the biaxial fatigue material properties one must experimentally test different load conditions and stress levels. With the rise of new in-plane biaxial fatigue testing machines, using smaller and more efficient electrical ...
R. Baptista   +5 more
doaj   +6 more sources

Flow Stress Optimization of Inconel 718 Based on a Coupled Simulation of Material-Forming Analysis and Joule Heating Analysis

open access: yesMetals, 2022
Inconel 718 is a well-known nickel-based superalloy used for high-temperature applications. The aim of the present study was to formulate a constitutive equation (CE) that can be used to account for the deformation behavior of Inconel 718.
Jong-Soo Park   +3 more
doaj   +1 more source

Spline-based specimen shape optimization for robust material model calibration

open access: yesAdvanced Modeling and Simulation in Engineering Sciences, 2022
Identification from field measurements allows several parameters to be identified from a single test, provided that the measurements are sensitive enough to the parameters to be identified.
Morgane Chapelier   +2 more
doaj   +1 more source

Numerical and Experimental Research on Non-Reference Damage Localization Based on the Improved Two-Arrival-Time Difference Method

open access: yesSensors, 2022
The identification of damage based on Lamb waves can hardly avoid obtaining the reference signal under healthy conditions. A non-reference damage localization (NRDL) method is proposed in this paper.
Yaogang Wu   +4 more
doaj   +1 more source

Desirability function based optimization of experimental data for air-water spray impingement cooling [PDF]

open access: yesManagement Science Letters, 2016
The current research copes with the optimization of the surface heat transfer coefficients of a square mild steel test specimen by spray impingement cooling.
Santosh Kumar Nayak   +1 more
doaj   +1 more source

Efficient optimization framework for L-PBF fatigue enhanced Ti6Al4V lattice component

open access: yesMaterials & Design, 2023
Industries today face challenges in incorporating metallic additively manufactured lattice structures in critical components subjected to fatigue loading.
Raffaele De Biasi   +5 more
doaj   +1 more source

The effect of slow shot speed and casting pressure on the 3D microstructure of high pressure die casting AE44 magnesium alloy

open access: yesJournal of Magnesium and Alloys, 2023
3D reconstruction and 2D observation were conducted to characterize the microstructure of the castings produced through high pressure die casting with different parameters.
Chaosheng Ma   +5 more
doaj   +1 more source

An optimized TEM specimen preparation method of quantum nanostructures [PDF]

open access: yesMicron, 2021
20 pages, 6 figures, 1 ...
Hongguang Wang   +5 more
openaire   +3 more sources

STEM Imaging Optimized for Biological Specimen [PDF]

open access: yesMicroscopy and Microanalysis, 2005
Within STEM mode the signal of both the inelastic and elastic scattered electrons contribute to the contrast of the image. This is an advantage compared to zero-loss filtered TEM imaging, where a significant amount of electrons are not contributing to the image formation, especially in thicker samples, due to multiple scattering events.
B Freitag   +5 more
openaire   +1 more source

Optimization Design of a Small-Sized Cruciform Specimen for Biaxial Fatigue Testing

open access: yesMetals, 2020
The in-plane biaxial specimen can well reflect the complex stress state of sheet metal. However, there is no standard for small-sized specimens used in the low-power biaxial fatigue testing machine.
Zheng Lu   +3 more
doaj   +1 more source

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