High velocity erosion of metal interfaces

Conference · Thu Jan 01 00:00:00 EST 1987

OSTI ID:6187234

Bourcier, R J; Chhabildas, L C

A unique impact recovery experiment in which a truncated right conic section of 4340 steel is shot through a matching hole in a multi-material target has been used to study the high-velocity erosion of metal surfaces. A variety of metal alloys were examined, covering a wide range of both physical and mechanical properties. Projectile/target pairs of 15 and 30/sup 0/ cone angle have been impacted at 1.12 km/sec. The differences observed in the level of plastic deformation present in the target sections are attributable to target strength, impedance, and melt temperature. These experiments have been analyzed using metallographic examination and numerical simulation to characterize the extent and mode of near-surface deformation. The experiments lend insight into the nature of metal surface impacts and the physical/mechanical parameters which control metal erosion.

• Research Organization: Sandia National Labs., Albuquerque, NM (USA)
• DOE Contract Number: AC04-76DP00789
• OSTI ID: 6187234
• Report Number(s): SAND-87-0768C; CONF-870753-66; ON: DE87013937
• Resource Relation: Conference: 5. topical conference of the American Physical Society on shockwaves in condensed matter, Monterey, CA, USA, 20 Jul 1987
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
METALS
EROSION
IMPACT TESTS
PROJECTILES
ALUMINIUM
BERYLLIUM ALLOYS
COPPER
COPPER ALLOYS
FRICTION
INTERFACES
NOSE CONES
TITANIUM BASE ALLOYS
ALLOYS
ELEMENTS
MATERIALS TESTING
MECHANICAL TESTS
TESTING
TITANIUM ALLOYS
TRANSITION ELEMENTS
360103* - Metals & Alloys- Mechanical Properties