Apparatus for tensile testing plate-type ceramic specimens

Details Apparatus for tensile testing plate-type ceramic specimens Apparatus for tensile testing plate-type ceramic specimens

1992-07-29

1993-08-24

Raevis, Robert

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

G01N 308

Patent

active

052378764

ABSTRACT:
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.

REFERENCES:
patent: 3107524 (1963-10-01), O'Connor
patent: 3802255 (1974-04-01), Struthers et al.
patent: 4686860 (1987-08-01), Liu
patent: 4845997 (1989-07-01), Radin et al.
"Towards Routine Tensile Testing" Tatsuki OHJI, Government Research Institution, Nagoya, Japan, Int. J. High Technology Ceramics, vol. 4, 1988.
"Tensile Testing of Ceramics", S. P. Sehadri et al, Journal of Americal Ceramic Society, vol. 70, Oct. 1987, pp. C-242 to C-244.

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