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Title: Self-sensing of printed polymer structures

Abstract

A structural health monitoring method is provided that utilizes self-sensing printed polymer structures. The method is based on resistivity properties of conductive materials, which can be integrated to a 3D printed polymer structure during additive manufacturing. An article to be monitored has at least one 3D printed polymer structure including a circuit comprising at least one conductive pathway extending through a non-conductive material. The resistance across the circuit is measured during or after loading of the article to determine a resistance value. The measured resistance value is compared to a known resistance value, and based on the comparison, a defect can be detected in the 3D printed polymer structure. Structural health monitoring systems and articles with integrated structural health monitoring are also provided.

Inventors:
; ; ; ; ; ; ;
Issue Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1860166
Patent Number(s):
11199517
Application Number:
16/539,184
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29C - SHAPING OR JOINING OF PLASTICS
B - PERFORMING OPERATIONS B33 - ADDITIVE MANUFACTURING TECHNOLOGY B33Y - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Patent
Resource Relation:
Patent File Date: 08/13/2019
Country of Publication:
United States
Language:
English

Citation Formats

Kunc, Vlastimil, Hassen, Ahmed A., Joshi, Pooran Chandra, Kim, Seokpum, Lindahl, John M., Duty, Chad E., Failla, Jordan A., and Smith, Tyler C. H.. Self-sensing of printed polymer structures. United States: N. p., 2021. Web.
Kunc, Vlastimil, Hassen, Ahmed A., Joshi, Pooran Chandra, Kim, Seokpum, Lindahl, John M., Duty, Chad E., Failla, Jordan A., & Smith, Tyler C. H.. Self-sensing of printed polymer structures. United States.
Kunc, Vlastimil, Hassen, Ahmed A., Joshi, Pooran Chandra, Kim, Seokpum, Lindahl, John M., Duty, Chad E., Failla, Jordan A., and Smith, Tyler C. H.. Tue . "Self-sensing of printed polymer structures". United States. https://www.osti.gov/servlets/purl/1860166.
@article{osti_1860166,
title = {Self-sensing of printed polymer structures},
author = {Kunc, Vlastimil and Hassen, Ahmed A. and Joshi, Pooran Chandra and Kim, Seokpum and Lindahl, John M. and Duty, Chad E. and Failla, Jordan A. and Smith, Tyler C. H.},
abstractNote = {A structural health monitoring method is provided that utilizes self-sensing printed polymer structures. The method is based on resistivity properties of conductive materials, which can be integrated to a 3D printed polymer structure during additive manufacturing. An article to be monitored has at least one 3D printed polymer structure including a circuit comprising at least one conductive pathway extending through a non-conductive material. The resistance across the circuit is measured during or after loading of the article to determine a resistance value. The measured resistance value is compared to a known resistance value, and based on the comparison, a defect can be detected in the 3D printed polymer structure. Structural health monitoring systems and articles with integrated structural health monitoring are also provided.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2021},
month = {12}
}

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