Results 1 to 10 of about 3,158 (251)

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

Metals, 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, Jia-Yu Zhao, Chang-Yu Zhou, Xiao-Hua He   +3 more
doaj   +4 more sources

Spline-based specimen shape optimization for robust material model calibration

Advanced 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, Robin Bouclier, Jean-Charles Passieux   +2 more
doaj   +2 more sources

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, Gerke, Steffen, Barthold, Franz-Joseph, Brünig, Michael   +3 more
openaire   +4 more sources

Graphene in cryo-EM specimen optimization

Current Opinion in Structural Biology
Specimen preparation is a critical but challenging step in high-resolution cryogenic electron microscopy (cryo-EM) structural analysis of macromolecules. In the past decade, graphene has gained much recognition as the supporting substrate to optimize cryo-EM specimen preparation.
Nan Liu, Hong-Wei Wang
openaire   +3 more sources

Bayesian optimization of laser-aided fracture toughness specimen preparation

Open Ceramics
Reliable lifetime prediction of ceramic components requires fracture toughness measurements supported by sharp, reproducible artificial defects. Conventional notching techniques often lack consistency, are time-consuming, and are particularly limited for
Tim Opatz, Maximilian Staudacher, Maximilian Munz, Tanja Lube, Steffen Ihlenfeldt   +4 more
doaj   +2 more sources

Optimization of Biaxial Tensile Specimen Shapes on Aerospace Composite with Large Deformation

Aerospace
This study focuses on optimizing cruciform specimen configurations for the biaxial tensile testing of soft composite materials used in the aerospace industry under conditions of large deformation.
Haowen Luo, Jiangtao Wang, Xueren Wang, Xiangyang Liu   +3 more
doaj   +2 more sources

Topology Optimization of a Tensile Test Specimen

, 2020
The aim of this study is to analyze the impact of altered geometries on structural strength using static structural analysis. The tensile test specimens were created using solid state modelling in Autodesk Inventor Software and analysed with Siemens ...
Ismail Bogrekci, Pinar Demircioglu, Saygin Sucuoglu, Emre Altun, Bilge Sakar, Numan Durakbasa   +5 more
openaire   +2 more sources

Optimized Specimen for Paperboard Shear Delamination Testing

Experimental Mechanics
Abstract Background The out-of-plane shear behavior of paperboards plays a critical role in converting processes such as creasing and folding. The recently proposed Split Double Cantilever Beam (SDCB) specimen has been used to characterize this behavior using a cohesive zone model, but its ...
M. Ebrahimijamal, A. Biel, J. Tryding, M. Nygårds   +3 more
openaire   +3 more sources

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, Jan Liedmann, Michael Brünig, Franz-Joseph Barthold   +3 more
openaire   +1 more source

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

Metals, 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, Seung-Woo Kim, Hyung-Cheol Lim, Jong-Hun Kang   +3 more
doaj   +1 more source