Shock-compression response of an alumina-filled epoxy

Setchell, Robert E.; Anderson, M. U.

doi:10.1063/1.1868055

Cited by 54 publications

(40 citation statements)

References 16 publications

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“…The explosives community has long considered particulate composite systems as many modern insensitive high explosive formulations consist of explosive crystals embedded in a polymeric binder [1][2][3][4]. Other applications include potting compounds for electronics (consisting of alumina particles in epoxy) have also been studied [5][6][7]. However, a major consideration is the requirement for light-weight materials for impact resistance, both from the military (armour materials) and aerospace (foreign object damage -FOD and bird strike) communities.…”

Section: Introductionmentioning

confidence: 99%

The effect of orientation on the shock response of a carbon fibre–epoxy composite

Millett

Bourne

Meziere

et al. 2007

Composites Science and Technology

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Section: Introductionmentioning

confidence: 99%

The effect of orientation on the shock response of a carbon fibre–epoxy composite

Millett

Bourne

Meziere

et al. 2007

Composites Science and Technology

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“…5 As the input stress increases, the epoxy-Al 2 O 3 composite material exhibits viscoelastic behavior. 3 Additionally, the release wave velocity is a strong function of particle velocity and much faster than the initial shock wave. 2,5 A recent investigation shows that epoxy-WC composites have a similar stress-strain response as epoxy-Al 2 O 3 composites, as well as a strong dependence of release wave speed on particle velocity.…”

Section: Introductionmentioning

confidence: 99%

Shock Equation of State of Multi-Constituent Epoxy-Metal Particulate Composites

Jordan¹,

Herbold²,

Sutherland³

et al. 2012

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ii This page intentionally left blank iii REPORT DOCUMENTATION PAGE Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing this collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to Department of Defense, Washington Headquarters Services, Directorate for Information Operations and Reports (0704-0188), 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302. Respondents should be aware that notwithstanding any other provision of law, no person shall be subject to any penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number. PLEASE DO NOT RETURN YOUR FORM TO THE ABOVE ADDRESS. REPORT DATE (DD-MM-YYYY) AFRL-RW-EG-TP-2012-003 SPONSORING / MONITORING AGENCY NAME(S) AND ADDRESS(ES)Air Force Research Laboratory, Munitions DirectorateOrdnance Division Energetic Materials Branch (AFRL/RWME) Eglin AFB FL 32542-5910 Technical Advisor: Dr. Jennifer L. Jordan SPONSOR/MONITOR'S ACRONYM(S)AFRL-RW-EG SPONSOR/MONITOR'S REPORT NUMBER(S)AFRL ABSTRACTThe shock properties of epoxy-based particulate composites have been extensively studied in the literature. Generally, these materials only have a single particulate phase; typically alumina. This paper presents equation of state experiments conducted on five epoxy-based particulate composites. The shock stress and shock velocity states were measured for five different composites: two epoxy-aluminum two-phase composites, with various amounts of aluminum, and three epoxy-aluminummetal composites, where the metal constituent was either copper, nickel, or tungsten. The impact velocities ranged from 300 to 960 m/s. Numerical simulations of the experiments of epoxy-Al are compared with mesoscale simulations of epoxy-Al2O3 composites to investigate the effect of the soft versus hard particulate; additionally, an epoxy-Al-W simulation was conducted to investigate the material properties of the second phase on shock response of these materials. In these epoxybased particulate composites, the slope of the shock velocity-particle velocity curve appears to depend on the epoxy binder. It is shown that the addition of only 10 vol % of a second, denser metallic phase significantly affects the shock response in these composites. The shock properties of epoxy-based particulate composites have been extensively studied in the literature. Generally, these materials only have a single particulate phase; typically alumina. This paper presents equation of state experiments conducted on five epoxy-based particulate composites. The shock stress and shock velocity states were measured for five different composites: two epoxy-aluminum two-phase composites, with various amounts of aluminum, and three epoxy-aluminum-...

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“…Interest in the response of polymeric materials to high 41 strain-rate and shock loading conditions is driven by a 42 number of factors, chief amongst them is their role as 43 binder phases in energetic materials [1][2][3][4]a n di n e r t 44 structural composite systems [5][6][7]. In addition, materials 45 such as neoprene have found application in earthquake 46 protection of buildings [8].…”

mentioning

confidence: 99%