Results 21 to 30 of about 7,666,987 (279)

Density, Microstructure, and Strain‑Rate Effects on the Compressive Response of Polyurethane Foams [PDF]

, 2021
Background A better understanding of the efect of density, microstructure, and strain rate on the mechanical response of polymeric foam materials is needed to improve their performance.
Bhagavathula, Kapil Bharadwaj, Meredith, Christopher S., Satapathy, Sikhanda S., Hogan, James D., Romanyk, Dan L., Ouellet, Simon   +5 more
core   +1 more source

A method to calibrate a specimen with strain gauges to measure force over the full-force range in high rate testing [PDF]

, 2009
This paper investigates a new method to calibrate a tensile specimen with strain gauges to measure force over the full range of loading at intermediate strain rate for use in high rate testing.
M. Williams, Peroni, L, Peroni, M, A. Pearce, L. Rubio, Avalle, Massimiliano, M.R. Wisnom, P.K.C. Wood, Rubio, Lourdes, L. Peroni, Wisnom, MR, J. Fernández-Sáez, PIERRON, Fabrice, R. Moulart, J. A. Loya, HALLLETT, Stephen R., Williams, Mark A, C. A. Schley, S.R. Hallett, Pearce, A., WISNOM, Michael R., Loya, José Antonio, Hallett, SR, C.A. Schley, Dallocchio, A, M. R. Wisnom, HALLETT, Stephen R., Pierron, F., Hallett, S. R., A. Dallocchio, S. R. Hallett, R. Beaumont, Beaumont, R., Rusinek, A., Fernández-Sáez, José, M. Peroni, Wood, Paul, Moulart, R., Mayer, U, Peroni, Marco, PERONI M., Peroni, Lorenzo, Peroni, M., Pierron, F, MOULART, Raphaël, U. Mayer, P. K.C. Wood, Wisnom, M. R., Schley, C.A., A. Rusinek, Dallocchio, A., F. Pierron, Moulart, R, Rubio Ruiz de Aguirre, María Lourdes, J.A. Loya, Loya Lorenzo, José Antonio, Fernández Sáez, José, M. Avalle   +57 more
core   +1 more source

Fracture evaluation of metallic materials at intermediate strain rates [PDF]

WIT Transactions on Engineering Sciences, 2013
This paper evaluates existing dynamic hardening models and fracture strains for metallic materials of typical crystalline structures: 4130 steel (BCC); OFHC copper (FCC); and Ti6Al4V (HCP). Uniaxial tensile and fracture tests of the representative materials are carried out at intermediate strain rate.
S. J. Lim, K. H. Ahn, H. Huh, S. B. Kim, H. W. Kim   +4 more
openaire   +1 more source

Compression impact behaviour of agglomerated cork at intermediate strain rates [PDF]

European Journal of Wood and Wood Products, 2021
This work analyses the influence of intermediate strain rates, between 25 and 75 s−1, on compressive behaviour of agglomerated cork. Quasi-static and dynamic compressive tests on an agglomerated cork with two different densities were carried out. This work complements previous research focused on higher strain rates.
Arturo Gómez, Sonia Sanchez-Saez, Enrique Barbero   +2 more
openaire   +2 more sources

Intermediate Strain Rate Testing Devices [PDF]

, 2020
The existing experimental tests are mainly designed to study the mechanical response of materials at various strain rates. Many researchers performed the experimental test in tension, compression, and shear (with torsion test) over a wide range of strain rates.
openaire   +1 more source

Anomalous tensile response of bacterial cellulose nanopaper at intermediate strain rates [PDF]

Scientific Reports, 2020
AbstractNanocellulose network in the form of cellulose nanopaper is an important material structure and its time-dependent mechanical response is crucial in many of its potential applications. In this work, we report the influences of grammage and strain rate on the tensile response of bacterial cellulose (BC) nanopaper.
Santmarti, A, Liu, HW, Herrera, N, Lee, K-Y   +3 more
openaire   +3 more sources

Intermediate strain-rate loading experiments -- Techniques and applications [PDF]

, 1998
Gas guns and velocity interferometric techniques have been used to determine the loading behavior of AD995 alumina rods 19 mm in diameter by 75 mm and 150 mm long, respectively. Graded-density materials were used to impact both bare and sleeved alumina rods while the velocity interferometer was used to monitor the axial-velocity of the free end of the ...
Chhabildas, L. C., Reinhart, W. D.
openaire   +2 more sources

Low-strain-rate intermediate-temperature embrittlement of Alloy 617

Nickel-based alloys commonly suffer from brittle cracking in the intermediate temperature range, resulting in a marked ductility trough known as intermediate-temperature embrittlement (ITE). Here we investigate Alloy 617, a material previously considered insensitive to ITE. Surprisingly, we find that it becomes brittle at 700 °C under a low strain rate
Maoyuan Zhang, Kunlei Hou, P.C. Han, Ming Gao, Meiqiong Ou, Min Wang, Ma Yingche   +6 more
openaire   +2 more sources

Detection of subclinical myocardial dysfunction in cocaine addicts with feature tracking cardiovascular magnetic resonance

Journal of Cardiovascular Magnetic Resonance, 2020
Background Cocaine is an addictive, sympathomimetic drug with potentially lethal effects. We have previously shown with cardiovascular magnetic resonance (CMR) the presence of cardiovascular involvement in a significant percentage of consecutive ...
Alicia M. Maceira, Sara Guardiola, Carmen Ripoll, Juan Cosin-Sales, Vicente Belloch, Jose Salazar   +5 more
doaj   +1 more source

The influence of the characteristic microstructure of additively manufactured AlSi10Mg on the plastic behaviour at various strain rates

Materials & Design, 2022
Additively manufactured (AM) lightweight metallic structures subjected to impact attract growing interest, for biomedical, defence, and aerospace applications.
Natalia B. Ghisi, Henrique Ramos, Lewis Kindleyside, Nesma T. Aboulkhair, Rafael Santiago   +4 more
doaj   +1 more source