Method, device and machine for pure bending test optionally...

Details Method, device and machine for pure bending test optionally... Method, device and machine for pure bending test optionally...

2006-03-28

2006-03-28

Noori, Max (Department: 2855)

Measuring and testing

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

By loading of specimen

Reexamination Certificate

active

07017423

ABSTRACT:
The present invention provides a method, apparatus, and a machine for testing in pure bending, optionally in alternating bending. Two mutually identical testpieces are subjected to optionally alternating opposing bending movements while conserving mutual symmetry about a point, under drive from two controlled motor assemblies that are free to move relative to each other. Interfering forces induced in the two testpieces during testing are minimized, and the performance of the testpieces in pure bending can be studied with increased accuracy.

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Yoshida et al. “Identification of Materials . . . ”, INT. Journal of Mech. Sci., vol. 40, No. 2-3, 1998, pp. 237-249.
S. Calloch et al, “A Pure Bending Machine to Identify the Mechanical Behaviour of thin sheets”, 6thInternational Esaform Conference on Material Forming, Apr. 28-30, 2003.

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