Results 21 to 30 of about 1,136,478 (300)

Fundamental study on lodging an anchor on satellite structure for space debris mitigation system

open access: yesNihon Kikai Gakkai ronbunshu, 2016
In this study, fundamental experiments for docking method by loading an anchor on satellite structures were carried out and the effects of the anchor shape on the docking properties were investigated.
Ba Thanh Long NGUYEN   +2 more
doaj   +1 more source

Effect of Impact Velocity, Flooring Material, and Trochanteric Soft-Tissue Quality on Acetabular Fracture during a Sideways Fall: A Parametric Finite Element Approach

open access: yesApplied Sciences, 2021
A low-energy acetabular fracture, as a result of falling from standing height, is common among elderly patients and the number of cases is increasing rapidly in developed countries. Several biomechanical factors contribute to the incidence, severity, and
Shahab Khakpour   +6 more
doaj   +1 more source

Analytical Estimation of Electromagnetic Pressure, Flyer Impact Velocity, and Welded Joint Length in Magnetic Pulse Welding

open access: yesMetals, 2022
Magnetic pulse welding involves the joining of two metallic parts in a solid state by the use of a short and intense electromagnetic impulses and the resulting impact between the parts.
Rishabh Shotri   +3 more
doaj   +1 more source

Depth of Cracking beneath Impact Craters: New Constraint for Impact Velocity [PDF]

open access: yes, 2002
Both small-scale impact craters in the laboratory and less than 5 km in diameter bowl-shaped craters on the Earth are strength (of rock) controlled. In the strength regime, crater volumes are nearly proportional to impactor kinetic energy.
Ahrens, Thomas J.   +2 more
core   +1 more source

Effect of loading mode and impact velocity on crack propagation of coal

open access: yesMeikuang Anquan, 2021
In order to study the influence of loading mode and impact velocity on coal crack propagation law, asymmetric semi-circular bend specimens were used to develop test and numerical simulation with multiple impact speeds under three loading modes of mode Ⅰ,
FAN Guowei, SUN Zhuang, SHANG Junning
doaj   +1 more source

Effect of hoop frequency and impact velocity on BBCOR of metal baseball bat

open access: yesNihon Kikai Gakkai ronbunshu, 2017
The metal bats are more advantageous than the traditional wooden bats due to their specific properties such as improved strength, lower cost, and durability.
Yuu TAKASHIMA   +5 more
doaj   +1 more source

Effect of Glass Fiber Hybridization on the Behavior Under Impact of Woven Carbon Fiber/Epoxy Laminates [PDF]

open access: yes, 2010
The low-velocity impact behavior was studied in hybrid laminates manufactured by RTM with woven carbon and glass (S2) fabrics. Specimens with different thicknesses and glass fiber content (from 0 to 21 vol.%) were tested with impact energies in the range
A. Enfedaque   +6 more
core   +2 more sources

Effects of deflection angle on the mechanical properties of constant-resistance, energy-absorbing, and anti-scouring bolts

open access: yesFrontiers in Earth Science, 2023
In practice, constant-resistance, energy-absorbing, and anti-scouring bolts inevitably deflect at an angle from the coal wall and other bearing surfaces, eventually giving way and losing their energy-absorbing function.
Zhi Tang, Hao Wu, Jinguo Lv, Dezhi Chang
doaj   +1 more source

Permanent indentation characterization for low-velocity impact modelling using three-point bending test [PDF]

open access: yes, 2013
This paper deals with the origin of permanent indentation in composite laminates subjected to low-velocity impact. The three-point bending test is used to exhibit a non-closure of matrix crack which is assumed as a cause of permanent indentation ...
Bouvet, Christophe   +3 more
core   +3 more sources

High velocity impact experiment (HVIE) [PDF]

open access: yes, 1998
The HVIE space project was conceived as a way to measure the absolute EOS for approximately 10 materials at pressures up to {approximately}30 Mb with order-of-magnitude higher accuracy than obtainable in any comparable experiment conducted on earth.
Toor, A., Donich, T., Carter, P.
openaire   +2 more sources

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