Accession Number:

AD1069228

Title:

Real-time Dynamics of Hot Spots in Microstructured Energetic Materials: Experiments and Simulations (Martin Schmidt)

Descriptive Note:

Technical Report,01 Nov 2015,31 Oct 2018

Corporate Author:

University of Illinois at Urbana-Champaign Champaign United States

Personal Author(s):

• Dlott,Dana D.
• Vashishta,Priya
• Suslick,Kenneth S.

Report Date:

2019-01-08

Pagination or Media Count:

33.0

Abstract:

This project was a joint experimentaltheoretical study of how microstructure affects energetic material initiation. Experiments were performed to study initiation by frictional rubbing, low velocity impact and high velocity impact on a variety of plastic-bonded explosives and single crystals. Theoretical modeling with multimillion atom simulations was used to explain the sensitivity of explosives to rubbing along different crystallographic axes and to explain the high temperatures observed at short times in shocked explosives.

Descriptors:

• energetic materials
• shock wave
• thermal images
• microstructure
• detonation
• real time
• plastic bonded
• single crystals
• SCANNING ELECTRON MICROSCOPY
• x ray computed tomography
• molecular dynamics
• rdx
• chemical reactions
• nanosecond time
• explosions
• hot spots

Subject Categories:

• Physical Chemistry
• Ammunition and Explosives

Distribution Statement:

APPROVED FOR PUBLIC RELEASE