Results 1 to 10 of about 207,946 (243)
Accurate Lens-Distortion Measurement Through Detector Nyquist Sampling [PDF]
Distortion is a key parameter affecting the imaging performance of lenses. In this study, we propose a testing method based on detector Nyquist sampling of image data to achieve high-precision measurements of the distortion distribution of lenses.
Yongqiang Yang +7 more
doaj +2 more sources
Analytical model of the in-plane torsion test [PDF]
AbstractIn research and industry, the in-plane torsion test is applied to investigate the material behaviour at large plastic strains: a sheet is clamped in two concentric circles, the boundaries are twisted against each other applying a torque, and simple shear of the material arises.
Nils Cwiekala +4 more
openaire +2 more sources
Non-Destructive Evaluation of In-Plane Waviness in Carbon Fiber Laminates Using Eddy Current Testing
Non-destructive detection of the in-plane waviness of carbon fiber-reinforced plastic (CFRP) laminates is of interest in a wide variety of industries, as wrinkles and other fiber alignment defects significantly impact the mechanical performance of the ...
Matthew Newton +3 more
doaj +1 more source
Extending the annular in-plane torsional shear test specimen to applications at high strain rates [PDF]
In-plane torsional shear testing is a well-established material testing technique in the metal forming community. The corresponding specimen is designed to be machined from sheet metal with a continuous annular shear zone intended to deform in simple ...
Osman Muhsin +2 more
doaj +1 more source
Structural testing of concrete walls on-edge with combined axial and out-of-plane loading
Full-scale testing of structural components can be time consuming and difficult. The design of full-scale slender concrete walls is highly influenced and controlled by second-order and out-of-plane bending loads. Previous experiments on out-plane bending
Salam Al-Rubaye, Marc Maguire
doaj +1 more source
Recent advances in the in-plane shear testing of Mg alloy sheets
Sheet-metal products are integral parts of engineering industries and academia research. Various testing techniques have revealed the deformation behaviors of sheet metals under complex stress states.
Mahesh Panchal +5 more
doaj +1 more source
Design optimization of cruciform specimens for biaxial fatigue loading [PDF]
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 +1 more source
Given the lack of primary data on heat-resistant composites under high-temperature conditions, the focus of this paper is the development of an in-plane biaxial apparatus under high temperatures and complex loads.
Junxian Chen +2 more
doaj +1 more source
High-Strain-Rate Compressive Behavior of UHMWPE Fiber Laminate
Ultra-high-molecular-weight polyethylene (UHMWPE) fiber laminate is currently widely used in ballistic protection for its exceptional physical and mechanical properties.
Yihui Zhu +5 more
doaj +1 more source
Multiaxial high-cycle fatigue modelling for random loading [PDF]
In this paper, a multiaxial fatigue life prediction model is proposed under general multiaxial random loadings. First, a brief review for existing multiaxial fatigue models is given and special focus is on the LiuMahadevan critical plane concept, which ...
Wei Haoyang +6 more
doaj +1 more source

