A study on the development of photoelastic experimental hybrid method for colour isochromatics (II)

Title
A study on the development of photoelastic experimental hybrid method for colour isochromatics (II)
Author(s)
황재석남정환권건[권건]신동철[신동철]모세로비트브르노[모세로비트브르노]박성한[박성한]
Keywords
ORTHOTROPIC COMPOSITES; O-RING; STRESS
Issue Date
201107
Publisher
KOREAN SOC MECHANICAL ENGINEERS
Citation
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.25, no.7, pp.1797 - 1809
Abstract
Using the photoelastic experimental hybrid method, we can obtain stress intensity factors and separate the stress components near the crack tip of any material under various loading conditions from only isochromatics. However, monochromatic light has, until now been used in the photoelastic experimental hybrid method to produce black and white isochromatics. The existing photoelastic experimental hybrid method using black and white isochromatics requires high order fringes to obtain sufficient experimental data for photoelastic hybrid techniques. If a photoelastic experimental hybrid method for colour isochromatics is developed, isochromatics with a maximum fringe order of 2 will be adequate for gathering the necessary experimental data for stress analyses using photoelastic hybrid techniques. Therefore, in this work, photoelastic experimental hybrid method for colour isochromatics of a crack problem was developed, and its superiority demonstrated by comparing its results with the results from black and white isochromatics. The use of few fringe orders in photoelastic experimental hybrid method for colour isochromatics is an important feature of this method. Because of this feature, this method, specifically the reflection type photoelastic method where low fringe orders are produced compared to the transmission type photoelastic method, can be widely used in stress analysis of real components.
URI
http://hdl.handle.net/YU.REPOSITORY/24874http://dx.doi.org/10.1007/s12206-011-0510-0
ISSN
1738-494X
Appears in Collections:
공과대학 > 기계공학부 > Articles
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