Furnace for tensile/fatigue testing

Details Furnace for tensile/fatigue testing Furnace for tensile/fatigue testing

1990-03-19

1991-05-14

Reynolds, Bruce A.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

73826, 374 49, 374 50, F27B 514, F27D 1100, G01N 308, G01N 318

Patent

active

050158252

ABSTRACT:
Mechanical properties of short test specimens are tested in tension and fatigue using an improved electrical resistance heating furnace having a short length that mounts between the grips of a typical testing machine. The furnace includes a ceramic inner liner having an oval cross-section to reduce heat loss at the ends. The furnace is divided into a plurality of individually controlled heating zones. Provision is made to supply an inert gas to the volume around the specimen in the center of the furnace.

REFERENCES:
patent: 2154280 (1939-04-01), Nadai et al.
patent: 2290868 (1942-07-01), Eriksson
patent: 2375032 (1945-05-01), Parke et al.
patent: 2534980 (1950-12-01), Lubahn
patent: 2647393 (1953-08-01), Stewart
patent: 2748597 (1956-06-01), Kooistra
patent: 3100253 (1963-08-01), O'Connor
patent: 3176499 (1965-06-01), Sikora
patent: 4550412 (1985-10-01), Holcombe et al.

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