Robert L Demonet

US Patent:

50556487, Oct 8, 1991

Filed:

Dec 27, 1989

Appl. No.:

7/457591

Inventors:

William F. Iceland - Los Alamitos CA
Robert J. Demonet - Westminster CA
Richard M. Jimenez - Chino CA
Donald W. Houston - Huntington Beach CA

Assignee:

Rockwell International Corporation - El Segundo CA

International Classification:

H05B 606
H05B 610
G01N 318

US Classification:

219 1077

Abstract:

An apparatus and method are described for maintaining a constant temperature across an electrically conductive specimen required to be mechanically tested. The invention includes resistance heating the specimen to a desired level during mechanical testing. The specimen is also simultaneously induction heated to a desired level. The resistance heating and inductive heating cooperate so as to heat the specimen to a desired substantially constant temperature during mechanical testing.