A Tensile testing apparatus for short fine filaments with optical-mechanical strain measurement /
J.E. Emrick, H.L. Gegel.

Description

Main Author: Emrick, J. E.
Related Names: Gegel, H. L., sponsor.
United States. Air Force.
United States. Air Force.
Language(s): English
Published: Wright-Patterson Air Force Base, Ohio : Aeronautical Systems Division, Air Force Systems Command, United States Air Force, 1961.
Subjects: Testing > Testing / Equipment and supplies.
Fibers.
Summary: An apparatus was designed and built, which will obtain relatively accurate stress-strain curves of fine metallic filaments and whiskers. The principle of operation is based upon extension of a calibrated spring to apply the load. The strain is measured optically by projecting the gauge marks on two ground-glass plates attached to dial indicators. The magnitude of error in load and strain measurements is very slight. Stress-strain measurements of elastic moduli for two filament metals were made as a final check.
Note: "AD0269535 (from http://www.dtic.mil)."
"This report covers the work from June 1958 through October 1959."
"September 1961."
Physical Description: v, 9 pages : illustrations, figures ; 28 cm.
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