Reflectance difference laser measurements applied to the study of the stress/strain state in materials

Carlos H. Saucedo-Zárate, Maximo López-López, Carlos Sánchez-Lópezb, Jose Luis Correa-Figueroa, Jorge A. Huerta-Ruelas

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Development of experimental setup to study strain/stress state in materials emerges from a need to evaluate by a nondestructive and non-invasive technique the performance in new materials like semiconductor heterostructures, composite materials and alloys. The system was designed and built to be used as a multi-functional experimental setup. The main purpose is to characterize materials in elastic and plastic regime by reflectance difference laser measurements and strain gages. This system allows the generalization of results obtained from a theoretical model based in Finite Element Model and experimental measurements taken in finite specific points with strain gages. A NI™ platform is used for signal conditioning and processing. System built is described which includes an optical setup to measure reflectance difference laser (RDL), and a flexor which applies deformation in a link, with a micrometer. A correlation bigger than 0.95 was found between optical signal, strain gage signal, and finite element modeling.

Original languageEnglish
Title of host publicationSeventh Symposium Optics in Industry
DOIs
StatePublished - 1 Dec 2009
Externally publishedYes
Event7th Symposium Optics in Industry, VII SOI - Guadalajara, Jalisco, Mexico
Duration: 11 Sep 200912 Sep 2009

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume7499
ISSN (Print)0277-786X

Conference

Conference7th Symposium Optics in Industry, VII SOI
CountryMexico
CityGuadalajara, Jalisco
Period11/09/0912/09/09

Fingerprint

Strain Gauge
strain gages
Strain gages
Reflectance
Laser
reflectance
Lasers
Signal processing
flexors
lasers
Heterostructures
Finite Element Modeling
conditioning
Composite Materials
Conditioning
Theoretical Model
Finite Element Model
optical communication
Heterojunctions
micrometers

Keywords

  • Elastic deformation
  • Plastic deformation
  • Reflectance difference
  • Strain gages
  • Stress/strain

Cite this

Saucedo-Zárate, C. H., López-López, M., Sánchez-Lópezb, C., Correa-Figueroa, J. L., & Huerta-Ruelas, J. A. (2009). Reflectance difference laser measurements applied to the study of the stress/strain state in materials. In Seventh Symposium Optics in Industry [74990U] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 7499). https://doi.org/10.1117/12.849043
Saucedo-Zárate, Carlos H. ; López-López, Maximo ; Sánchez-Lópezb, Carlos ; Correa-Figueroa, Jose Luis ; Huerta-Ruelas, Jorge A. / Reflectance difference laser measurements applied to the study of the stress/strain state in materials. Seventh Symposium Optics in Industry. 2009. (Proceedings of SPIE - The International Society for Optical Engineering).
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Saucedo-Zárate, CH, López-López, M, Sánchez-Lópezb, C, Correa-Figueroa, JL & Huerta-Ruelas, JA 2009, Reflectance difference laser measurements applied to the study of the stress/strain state in materials. in Seventh Symposium Optics in Industry., 74990U, Proceedings of SPIE - The International Society for Optical Engineering, vol. 7499, 7th Symposium Optics in Industry, VII SOI, Guadalajara, Jalisco, Mexico, 11/09/09. https://doi.org/10.1117/12.849043

Reflectance difference laser measurements applied to the study of the stress/strain state in materials. / Saucedo-Zárate, Carlos H.; López-López, Maximo; Sánchez-Lópezb, Carlos; Correa-Figueroa, Jose Luis; Huerta-Ruelas, Jorge A.

Seventh Symposium Optics in Industry. 2009. 74990U (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 7499).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Saucedo-Zárate CH, López-López M, Sánchez-Lópezb C, Correa-Figueroa JL, Huerta-Ruelas JA. Reflectance difference laser measurements applied to the study of the stress/strain state in materials. In Seventh Symposium Optics in Industry. 2009. 74990U. (Proceedings of SPIE - The International Society for Optical Engineering). https://doi.org/10.1117/12.849043