Experimental investigation of response of monolithic and bilayer plates to impulsive loads

Autor: Sia Nemat-Nasser, Jon Isaacs, Mahmoud R. Amini

Publikováno v: International Journal of Impact Engineering. 37:82-89

This article presents the results of a series of experiments performed to assess the dynamic response of circular monolithic steel and steel–polyurea bilayer plates to impulsive loads. A convenient technique to enhance the energy absorption capabil

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff8eed2d33353999ed6059c54bfc9733
https://doi.org/10.1016/j.ijimpeng.2009.04.002

Experimental investigation of energy-absorption characteristics of components of sandwich structures

Autor: Jon Isaacs, Sia Nemat-Nasser, Weiguo Guo, J.D. McGee, W.J. Kang

Publikováno v: International Journal of Impact Engineering. 34:1119-1146

Two series of experiments are performed to investigate the dynamic response of various essential components of a class of sandwich structures, under high-rate inertial loads. One consists of dynamic inertia tests and the other involves dynamic impact

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0167575ca1a134264e6e1e1d44eacbd9
https://doi.org/10.1016/j.ijimpeng.2006.05.007

An experimentally-based viscoelastic constitutive model for polyurea, including pressure and temperature effects

Autor: Sia Nemat-Nasser, Jon Isaacs, Alireza V. Amirkhizi, J.D. McGee

Publikováno v: Amirkhizi, A V; Isaacs, J; Mcgee, J; & Nemat-Nasser, S. (2006). An experimentally-based viscoelastic constitutive model for polyurea, including pressure and temperature effects. Philosophical Magazine, 86(36), 5847-5866. UC San Diego: Retrieved from: http://www.escholarship.org/uc/item/50c9j5vj

Presented here are the results of a systematic study of the viscoelastic properties of polyurea over broad ranges of strain rates and temperatures, including the high-pressure effects on the material response. Based on a set of experiments and a mast

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4a1dfc0d0d8ae18174ab3ff6f010612
https://doi.org/10.1080/14786430600833198

Experimental characterization and micromechanical modeling of superelastic response of a porous NiTi shape-memory alloy

Autor: Jon Isaacs, Sia Nemat-Nasser, Weiguo Guo, Yu Su

Publikováno v: Journal of the Mechanics and Physics of Solids. 53:2320-2346

Porous shape-memory alloys are usually brittle due to the presence of various nickel–titanium intermetallic compounds that are produced in the course of most commonly used synthesizing techniques. We consider here a porous NiTi shape-memory alloy (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5b67985bae786f8e084e8e538f3c1a20
https://doi.org/10.1016/j.jmps.2005.03.009

High Strain-Rate, Small Strain Response of a NiTi Shape-Memory Alloy

Autor: Minoru Taya, Weiguo Guo, Sia Nemat-Nasser, Jeom Yong Choi, Jon Isaacs

Publikováno v: Journal of Engineering Materials and Technology. 127:83-89

The compressive response of a NiTi shape-memory alloy is investigated at various strain rates using UCSD’s modified 12-in. Hopkinson pressure bar and a conventional Instron machine. To obtain a constant strain rate during the formation of a stress-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cf34072f7a9872b6cf9ddb35ef57b8b9
https://doi.org/10.1115/1.1839215