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Title: APPARATUS FOR NON-DESTRUCTIVE INSPECTION OF CANTILEVERED MEMBERS

Abstract

An apparatus for non-destructive inspection of cantilevered members, such as compressor blades, is described. The member under inspection is vibrated with a regulated source of air under pressure. The amplitude of vibration of the member is maintained at its natural frequency. The frequency of vibration of the member is measured. An indication of an excessive decay or erratic shifting in the measured frequency above an allowable hysteretic decay is provided as an indication of a fault in the member. The member is vibrated for a selected test period. (AEC)

Inventors:
; ;
Publication Date:
Research Org.:
Originating Research Org. not identified
OSTI Identifier:
4837661
Patent Number(s):
US 3005334
Assignee:
U.S. Atomic Energy Commission DTIE; NSA-15-030949
NSA Number:
NSA-15-030949
Resource Type:
Patent
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-61
Country of Publication:
United States
Language:
English
Subject:
ENGINEERING AND EQUIPMENT; AIR; BLADES; DEFECTS; FREQUENCY; GAS FLOW; LABORATORY EQUIPMENT; MATERIALS TESTING; MEASURED VALUES; NONDESTRUCTIVE TESTING; PRESSURE; SOLIDS; VARIATIONS; VIBRATIONS

Citation Formats

Taylor, E.R., Mahoney, C.H., and Lay, C.R. APPARATUS FOR NON-DESTRUCTIVE INSPECTION OF CANTILEVERED MEMBERS. United States: N. p., 1961. Web.
Taylor, E.R., Mahoney, C.H., & Lay, C.R. APPARATUS FOR NON-DESTRUCTIVE INSPECTION OF CANTILEVERED MEMBERS. United States.
Taylor, E.R., Mahoney, C.H., and Lay, C.R. Tue . "APPARATUS FOR NON-DESTRUCTIVE INSPECTION OF CANTILEVERED MEMBERS". United States.
@article{osti_4837661,
title = {APPARATUS FOR NON-DESTRUCTIVE INSPECTION OF CANTILEVERED MEMBERS},
author = {Taylor, E.R. and Mahoney, C.H. and Lay, C.R.},
abstractNote = {An apparatus for non-destructive inspection of cantilevered members, such as compressor blades, is described. The member under inspection is vibrated with a regulated source of air under pressure. The amplitude of vibration of the member is maintained at its natural frequency. The frequency of vibration of the member is measured. An indication of an excessive decay or erratic shifting in the measured frequency above an allowable hysteretic decay is provided as an indication of a fault in the member. The member is vibrated for a selected test period. (AEC)},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1961},
month = {10}
}