Radiant energy – Invisible radiant energy responsive electric signalling – Neutron responsive means
Patent
1989-05-02
1990-09-25
Hannaher, Constantine
Radiant energy
Invisible radiant energy responsive electric signalling
Neutron responsive means
25039001, 25039007, 25039008, 378 72, G01N 23207
Patent
active
049595482
ABSTRACT:
A method and apparatus for orienting a pulsed neutron source and a multi-angle diffractometer toward a sample of a ceramic-matrix or metal-matrix composite so that the measurement of internal strain (from which stress is calculated) is reduced to uncomplicated time-of-flight measurements.
REFERENCES:
patent: 3934138 (1976-01-01), Bens
A. D. Krawitz, R. Roberts and J. Faber, "Residual stress relaxation in cemented carbide composites," Inst. Phys. Conf., Ser. No. 75: Chapter 6 (1966) pp. 577-589; .COPYRGT.1986 Adam Hilger Ltd.
A. J. Allen, M. t. Hutchings, C. G. Windsor and C. Andreani, "Neutron diffraction methods for the study of residual stress fields," Advances in Physics, vol. 34, No. 4 (1985) pp. 445-473; .COPYRGT.1985 Ukaea, Harwell.
S. R. MacEwen, J. Faber, Jr. and A. P. L. Turner, "The of Time-of-Flight Neutron Diffraction to Study Grain Interaction Stresses," Acta Metall., vol. 31, No. 5 (1983) pp. 657-676; Pergamon Press Ltd.
Faber, Jr. John F.
Kupperman David S.
Majumdar Saurindranath
Singh J. P.
Albrecht John M.
Cordell Helen S.
Hannaher Constantine
Moser William R.
The United States of America as represented by the United States
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