Results 11 to 20 of about 103,020 (264)
Damage and fracture of the optimized X0‐specimen [PDF]
PAMM, 2021 AbstractThe paper deals with numerical and experimental results of the gradient based optimized biaxial X0‐specimen. The original, engineering based design has been optimized under producibility restrictions for two different loading conditions to gain a distinct (high or low) stress triaxiality maintaining a sufficiently homogeneous distribution in ...
Steffen Gerke +3 more
openaire +1 more source
Non-Gaussian Analysis of Herbarium Specimen Damageto Optimize Specimen Collection Management
Knowledge Engineering and Data Science, 2022 Damage to specimen collections occurs in practically every herbarium across the world. Hence, some precautions must be taken, such as investigating the factors that cause specimen damage in their collections and evaluating their herbarium collection handling and usage policy.
Aris Yaman +8 more
openaire +2 more sources
An optimized TEM specimen preparation method of quantum nanostructures [PDF]
Micron, 2021 Electron transparent TEM lamella with unaltered microstructure and chemistry is the prerequisite for successful TEM explorations. Currently, TEM specimen preparation of quantum nanostructures, such as quantum dots (QDs), remains a challenge. In this work, we optimize the sample-preparation routine for achieving high-quality TEM specimens consisting of ...
Hongguang Wang +5 more
openaire +4 more sources
STEM Imaging Optimized for Biological Specimen [PDF]
Microscopy 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
Experimental investigation of strain rate dependent damage mechanisms in DP1000 automotive steel [PDF]
EPJ Web of Conferences, 2021 Present study aims to investigate the effect of stress state and loading rates on the damage mechanisms in a DP1000 steel using a welldesigned series of experiments. A specimen family comprising of central hole, in-plane shear and plane strain samples is
Chandran Sarath, Verleysen Patricia
doaj +1 more source
Shape optimization of the X0‐specimen for biaxial experiments [PDF]
PAMM, 2021 AbstractThe mechanical damage and fracture behavior of ductile sheet metals strongly depend on the stress state and intensity. Thus, for adequate characterization of the material behavior, it is crucial to have specimens that cover different and preferably distinct stress states, especially in the inelastic domain. In this paper, the geometry of the X0‐
Liedmann, Jan +3 more
openaire +2 more sources
Journal of Magnesium and Alloys, 2023 The present study investigates the mechanical and in-vitro corrosion behavior of Mg-4Zn-0.5Ca-0.8Mn alloy in optimum homogenized conditions. The optimization of the homogenization parameters has been carried out employing thermodynamic calculations and ...
Darothi Bairagi +3 more
doaj +1 more source
Identification of material properties of composite materials
Aviation, 2009 Present paper describes the facilities of composite material properties identification technique using specimen vibration tests, genetic algorithms, finite elements analysis and specimen shape optimization. In identification process the elastic constants
Paulius Ragauskas, Rimantas Belevičius
doaj +1 more source
A biaxial test for rheological and formability identification
EPJ Web of Conferences, 2010 Accurate constitutive laws and formability limits of materials are essential for a numerical optimization of sheet forming processes. The main objective of this work is to develop a new experimental device able to give for a unique specimen a good ...
Ragneau E. +3 more
doaj +1 more source
Metals, 2021 Additive manufacturing has many process variables and requires additive process optimization. Line energy and scan speed are the main process variables.
Youngsin Choi +4 more
doaj +1 more source