Clip gage attachment for frictionless measurement of displacemen

Details Clip gage attachment for frictionless measurement of displacemen Clip gage attachment for frictionless measurement of displacemen

1992-08-20

1994-01-04

Myracle, Jerry W.

Measuring and testing

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

By loading of specimen

33790, 374 49, G01N 308

Patent

active

052750574

ABSTRACT:
An attachment for placement between a test specimen and a remote clip gage extensometer providing improved fracture toughness tests of materials at elevated temperature. Using a cylindrical tube and axial rod in new relationship, the device transfers the displacement signal of the fracture toughness test specimen directly to a clip gage extensometer located outside the high temperature furnace. Virtually frictionless operation is assured by having the test specimen center one end of the rod in one end of the tube, while the clip gage extensometer arms center the other end of the rod in the other end of the tube. By providing positive control over both ends of both rod and tube, the attachment may be operated in orientations other than vertical.

REFERENCES:
patent: 5083465 (1992-01-01), Myers

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