Dynamic heterogeneous response of aluminum and copper to stress waves
Conference
·
OSTI ID:5962795
Holographic interferometry is used to measure the time- and space-resolved dynamic response of materials to stress waves. For free surface accelerations in the range - 10/sup 11/ cm/sec/sup 2/ to 10/sup 10/ cm/sec/sup 2/ and pressures less than 2 GPa we find that the grain structures of the polycrystalline metals aluminum and copper are correlated to the observed heterogeneous response. The response depends on the grain size, whether the material is being compressed or unloaded from a shock-compressed state and the rate of compression and decompression. Other factors, such as material strength, viscosity, and wave interactions, that may influence heterogeneous response are discussed.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (USA)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 5962795
- Report Number(s):
- SAND-83-1432C; CONF-830719-15; ON: DE83015229
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360103* -- Metals & Alloys-- Mechanical Properties
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700209 -- Fusion Power Plant Technology-- Component Development & Materials Testing
ALUMINIUM
BEAMS
COPPER
ELECTRON BEAMS
ELEMENTS
HOLOGRAPHY
INTERFEROMETRY
LEPTON BEAMS
METALS
PARTICLE BEAMS
SHOCK WAVES
STRESSES
TRANSITION ELEMENTS
360103* -- Metals & Alloys-- Mechanical Properties
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700209 -- Fusion Power Plant Technology-- Component Development & Materials Testing
ALUMINIUM
BEAMS
COPPER
ELECTRON BEAMS
ELEMENTS
HOLOGRAPHY
INTERFEROMETRY
LEPTON BEAMS
METALS
PARTICLE BEAMS
SHOCK WAVES
STRESSES
TRANSITION ELEMENTS