A study of mechanical behavior of bellows by digital image correlation and strain gages

Terry Yuan-Fang Chen, C. H. Lee, Y. C. Chen, K. L. Shih

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

Abstract

Bellows are special structures that require high strength as well as good flexibility. The design, manufacture, and analysis of bellow tubes thus are more complicated. Test of bellows to understand their mechanical behavior, and to verify a design purpose finite element program is needed for practical use. In this paper, digital-image-correlation method is applied to measure the stiffness of single- and double-ply bellows under axial compressive load and various internal pressures. The influence of the internal pressure on the stiffness of the bellows is investigated. The meridian and hoop strains at the crest of the bellows are measured by strain gages. The results show that tensile meridian and hoop strains on the single-ply bellows are found as expected. However, the compressive meridian strain is found on the double-ply bellows.

Original languageEnglish
Title of host publicationProceedings of the 2005 SEM Annual Conference and Exposition on Experimental and Applied Mechanics
Pages395-399
Number of pages5
Publication statusPublished - 2005 Dec 1
Event2005 SEM Annual Conference and Exposition on Experimental and Applied Mechanics - Portland, OR, United States
Duration: 2005 Jun 72005 Jun 9

Publication series

NameProceedings of the 2005 SEM Annual Conference and Exposition on Experimental and Applied Mechanics

Other

Other2005 SEM Annual Conference and Exposition on Experimental and Applied Mechanics
CountryUnited States
CityPortland, OR
Period05-06-0705-06-09

Fingerprint

Bellows
Strain gages
Stiffness
Correlation methods

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Chen, T. Y-F., Lee, C. H., Chen, Y. C., & Shih, K. L. (2005). A study of mechanical behavior of bellows by digital image correlation and strain gages. In Proceedings of the 2005 SEM Annual Conference and Exposition on Experimental and Applied Mechanics (pp. 395-399). (Proceedings of the 2005 SEM Annual Conference and Exposition on Experimental and Applied Mechanics).
Chen, Terry Yuan-Fang ; Lee, C. H. ; Chen, Y. C. ; Shih, K. L. / A study of mechanical behavior of bellows by digital image correlation and strain gages. Proceedings of the 2005 SEM Annual Conference and Exposition on Experimental and Applied Mechanics. 2005. pp. 395-399 (Proceedings of the 2005 SEM Annual Conference and Exposition on Experimental and Applied Mechanics).
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abstract = "Bellows are special structures that require high strength as well as good flexibility. The design, manufacture, and analysis of bellow tubes thus are more complicated. Test of bellows to understand their mechanical behavior, and to verify a design purpose finite element program is needed for practical use. In this paper, digital-image-correlation method is applied to measure the stiffness of single- and double-ply bellows under axial compressive load and various internal pressures. The influence of the internal pressure on the stiffness of the bellows is investigated. The meridian and hoop strains at the crest of the bellows are measured by strain gages. The results show that tensile meridian and hoop strains on the single-ply bellows are found as expected. However, the compressive meridian strain is found on the double-ply bellows.",
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Chen, TY-F, Lee, CH, Chen, YC & Shih, KL 2005, A study of mechanical behavior of bellows by digital image correlation and strain gages. in Proceedings of the 2005 SEM Annual Conference and Exposition on Experimental and Applied Mechanics. Proceedings of the 2005 SEM Annual Conference and Exposition on Experimental and Applied Mechanics, pp. 395-399, 2005 SEM Annual Conference and Exposition on Experimental and Applied Mechanics, Portland, OR, United States, 05-06-07.

A study of mechanical behavior of bellows by digital image correlation and strain gages. / Chen, Terry Yuan-Fang; Lee, C. H.; Chen, Y. C.; Shih, K. L.

Proceedings of the 2005 SEM Annual Conference and Exposition on Experimental and Applied Mechanics. 2005. p. 395-399 (Proceedings of the 2005 SEM Annual Conference and Exposition on Experimental and Applied Mechanics).

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

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AB - Bellows are special structures that require high strength as well as good flexibility. The design, manufacture, and analysis of bellow tubes thus are more complicated. Test of bellows to understand their mechanical behavior, and to verify a design purpose finite element program is needed for practical use. In this paper, digital-image-correlation method is applied to measure the stiffness of single- and double-ply bellows under axial compressive load and various internal pressures. The influence of the internal pressure on the stiffness of the bellows is investigated. The meridian and hoop strains at the crest of the bellows are measured by strain gages. The results show that tensile meridian and hoop strains on the single-ply bellows are found as expected. However, the compressive meridian strain is found on the double-ply bellows.

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Chen TY-F, Lee CH, Chen YC, Shih KL. A study of mechanical behavior of bellows by digital image correlation and strain gages. In Proceedings of the 2005 SEM Annual Conference and Exposition on Experimental and Applied Mechanics. 2005. p. 395-399. (Proceedings of the 2005 SEM Annual Conference and Exposition on Experimental and Applied Mechanics).