Measuring and testing – Vibration – By mechanical waves
Patent
1988-08-15
1990-12-25
Williams, Hezron E.
Measuring and testing
Vibration
By mechanical waves
G01N 924
Patent
active
049793942
ABSTRACT:
The coherence between inputted and received white noise is used to determined the presence or absence of flaws in a structure such as a joint. The strength of the joint is determined by integrating the coherence factor and observing the magnitude of the same.
REFERENCES:
patent: 4043176 (1977-08-01), Graham
patent: 4513622 (1985-04-01), Uretsky
Osaka Science and Technical Center, High Quality Constructional Bonding Material Development and Research Report, Mar. 1985, pp. 388-399.
Ashida Tadashi
Higo Yakichi
Matsuoka Junichiro
Nunomura Shigetomo
Takano Toshio
Arana Louis M.
Nissan Motor Co,. Ltd.
Tokyo Institute of Technology, Reasearch Laboratory of Precision
Williams Hezron E.
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