Measuring and testing – Vibration – By mechanical waves
Patent
1983-02-16
1985-04-02
Birmiel, Howard A.
Measuring and testing
Vibration
By mechanical waves
73625, 73628, 73641, G01N 2900
Patent
active
045079676
ABSTRACT:
A method for non-destructive, qualitative testing of properties of materials, whereby ultra-sonic waves are transmitted in the direction of the material. Ultra-sonic waves reflected by the material are received. The orientation of the material relative to the direction in which the ultra-sonic waves are transmitted is changed in a predetermined way, such that the transmitted ultra-sonic waves arrive at the material under varying angles of incidence and from different directions.
REFERENCES:
patent: 3938371 (1976-02-01), Dini
patent: 3938372 (1976-02-01), Sproule
patent: 3990300 (1976-11-01), Kossoff
patent: 4038865 (1977-08-01), Flambard et al.
patent: 4103677 (1978-08-01), Lansiart et al.
patent: 4163394 (1979-08-01), Soldner
patent: 4281550 (1981-08-01), Erikson
patent: 4339952 (1982-07-01), Foster
patent: 4341120 (1982-07-01), Anderson
Birmiel Howard A.
Fokker BV
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