Apparatus for tensile testing plate-type ceramic specimens

Patent · 31 December 1992

OSTI ID:868893

Liu, Kenneth C ^[1]

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1. Oak Ridge, TN

Apparatus for tensile testing plate-type ceramic specimens having dogbone- or T-shaped end sections without introducing bending stresses in the specimens during the application of a dynamic tensile loading on the specimens is described. A pair of elongated pull rods disposed in a side-by-side relationship are used to grip the shoulders on each T-shaped end section. The pull rods are pivotally attached to a piston-displaceable, disk-shaped member so as to be longitudinally movable with respect to one another effecting the self-alignment thereof with the shoulders on the T-shaped end sections of the specimen to compensate for shoulders being located in different longitudinal positions.

• Research Organization: LOCKHEED MARTIN ENRGY SYST INC
• DOE Contract Number: AC05-84OR21400
• Assignee: Martin Marietta Energy Systems, Inc. (Oak Ridge, TN)
• Patent Number(s): US 5237876
• OSTI ID: 868893
• Country of Publication: United States
• Language: English

Related Subjects

/73/
apparatus
application
attached
bending
bending stress
bending stresses
ceramic
ceramic specimen
ceramic specimens
compensate
described
disk-shaped
disposed
dogbone-
dynamic
effecting
elongated
grip
introducing
introducing bending
loading
located
longitudinal
longitudinally
longitudinally movable
movable
pair
piston-displaceable
pivotally
pivotally attached
plate-type
plate-type ceramic
positions
pull
pull rod
relationship
respect
rods
rods disposed
section
sections
self-alignment
shoulders
side-by-side
side-by-side relation
side-by-side relationship
specimen
specimens
stresses
t-shaped
tensile
tensile load
tensile testing
testing
testing plate-type