System and method for inspecting parts using frequency response function
Abstract
A system and method for the non-destructive testing of additively manufactured parts. An input mechanism excites with an excitation force (e.g., a vibration) an additive manufacturing build platform on which the part is located to induce a dynamic response in the part. An output mechanism (e.g., a non-contact transducer) senses the induced dynamic response in the part. A processor determines and examines the relationship between the response and excitation to identify an indication of a defect in the part, and communicates an alert if the indication is identified. The processor may compare the phase, magnitude, coherence, or time delay of the relationship to a reference relationship and/or may compare the modal frequency or the modal damping to a reference to identify a deviation greater than a pre-established threshold.
- Inventors:
- Issue Date:
- Research Org.:
- Kansas City Plant (KCP), Kansas City, MO (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1600156
- Patent Number(s):
- 10444110
- Application Number:
- 14/941,258
- Assignee:
- Honeywell Federal Manufacturing & Technologies, LLC (Kansas City, MO)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01M - TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- DOE Contract Number:
- NA0002839
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 11/13/2015
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION
Citation Formats
Hartwig, Troy, and Brown, Ben. System and method for inspecting parts using frequency response function. United States: N. p., 2019.
Web.
Hartwig, Troy, & Brown, Ben. System and method for inspecting parts using frequency response function. United States.
Hartwig, Troy, and Brown, Ben. Tue .
"System and method for inspecting parts using frequency response function". United States. https://www.osti.gov/servlets/purl/1600156.
@article{osti_1600156,
title = {System and method for inspecting parts using frequency response function},
author = {Hartwig, Troy and Brown, Ben},
abstractNote = {A system and method for the non-destructive testing of additively manufactured parts. An input mechanism excites with an excitation force (e.g., a vibration) an additive manufacturing build platform on which the part is located to induce a dynamic response in the part. An output mechanism (e.g., a non-contact transducer) senses the induced dynamic response in the part. A processor determines and examines the relationship between the response and excitation to identify an indication of a defect in the part, and communicates an alert if the indication is identified. The processor may compare the phase, magnitude, coherence, or time delay of the relationship to a reference relationship and/or may compare the modal frequency or the modal damping to a reference to identify a deviation greater than a pre-established threshold.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Oct 15 00:00:00 EDT 2019},
month = {Tue Oct 15 00:00:00 EDT 2019}
}
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