Wrap-around bend test method and apparatus

Details Wrap-around bend test method and apparatus Wrap-around bend test method and apparatus

1986-04-14

1987-04-14

Myracle, Jerry W.

Measuring and testing

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

By loading of specimen

G01N 320

Patent

active

046568727

ABSTRACT:
A method and apparatus for testing the ductility of a weld formed within a specimen utilizes a cylindrical mandrel and roller mounted for rotation along mutually parallel axes. Relative linear movement of the mandrel and roller clamps a specimen therebetween. A shoe having a contact suface is supported and connected to the mandrel for rotational movement therewith. The shoe may be moved linearly in a direction normal to the contact surface and along a line tangential to the mandrel to place the contact surface in contact with the specimen. In carrying out the method, a rotational driving force is applied to the mandrel, whereby it and the shoe are rotated to bend the specimen about the mandrel.

REFERENCES:
patent: 2934945 (1960-05-01), Geenen et al.
patent: 3500679 (1970-03-01), Smith
patent: 3906784 (1975-09-01), Coulstring
patent: 4425802 (1984-01-01), Sponseller
patent: 4573360 (1986-03-01), Yoneda

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