Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Specimen clamp – holder – or support
Patent
1982-09-15
1984-06-05
Ciarlante, Anthony V.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
Specimen clamp, holder, or support
73833, G01N 304, G01N 308
Patent
active
044520883
ABSTRACT:
A strip specimen is cut from a unidirectional strong, brittle fiber composite material, and the surfaces of both ends of the specimen are grit-blasted. The specimen is then placed between metal load transfer members having grit-blasted surfaces. Sufficient compressive stress is applied to the load transfer members to prevent slippage during testing at both elevated temperatures and room temperatures.
REFERENCES:
patent: 1943931 (1934-01-01), Ruch
patent: 2419711 (1947-04-01), Dillon
patent: 2676381 (1954-04-01), Holmes
patent: 3224259 (1965-12-01), De NiCola
N. R. Adsit "Some Experiences in Elevated Temperature Testing of Graphite-Reinforced Composite Materials" Book II; vol. 24, pp. 829-838; 24th SAMPE 1979.
Whittenberger & Hurwitz "Application of a Gripping System to Test a Uniaxial Graphite Fiber Reinforced Composite (PMR 15/Celion 6000) in Tension at 316.degree. C."; vol. 3, No. 2, Apr. 1982, M. Sittig "Carbon and Graphite Fibers" Noyes Data Corporation; 1980; pp. 334-335.
Hurwitz Frances I.
Whittenberger John D.
Ciarlante Anthony V.
Manning John R.
Musial Norman T.
Shook Gene E.
The United States of America as represented by the Administrator
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