Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1982-04-08
1984-05-08
Ciarlante, Anthony V.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
73856, G01N 1100
Patent
active
044467435
ABSTRACT:
A compressive creep test fixture of box-like structure having a rectangular opening for testing a specimen and a pair of ports for applying a vacuum is provided. Rigid or semi-rigid elements, spaced from each other in a uniform manner, support the specimen at the rectangular opening during testing. The vacuum in the fixture holds the tested specimen in place on the support elements, and together the vacuum and support elements prevent buckling of very thin sheet materials under conditions of edgewise compressive loading.
A method for using a compressive creep test fixture to determine mechanical properties of sheet materials.
REFERENCES:
patent: 2350060 (1944-05-01), Montgomery
patent: 2368400 (1945-02-01), Templin
patent: 3316757 (1967-05-01), Fletcher et al.
Stockmann, V. Measurement of Intrinsic Compressive Strength of Paper, In Tappi, 59(7): p. 93, 1976.
Fellers, C., and P. Jonsson, Compression Strength of Liner-board and Corrugated Medium--An Analysis of Testing Methods (Swedish), In Svensk Papperstidning, 78(5): p. 172, 1975.
Seth, R. S., and R. M. Soszynski, The Intrinsic Edgewise Compressive Strength of Paper: An Evaluation of Methods, In Tappi, 61(10): p. 125, 1979.
Ramberg, W., and J. A. Miller, Determination of Presentation of Compressive Stress-Strain Data for Thin Sheet Material, In Journal of Aeronautical Sciences, 13(11): p. 569, 1946.
Ciarlante Anthony V.
McConnell David G.
Silverstein M. Howard
The United States of America as represented by the Secretary of
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