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Proceedings Paper

Method of measuring the necking in material tensile test
Author(s): Yan Sun; Guohua Cao; Li Li
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Paper Abstract

This paper puts forward a new method of optical non-contact measurement in the necking process of material tensile test. By the scanning of polygonal prism and the linear array CCD we can measure the whole dynamical process, which includes the change of the necking position and the necking quantity with the gradually applied load. The results prove that this method makes the mechanical property of material described more accurately and the use of material more optimization.

Paper Details

Date Published: 5 October 2000
PDF: 4 pages
Proc. SPIE 4223, Instruments for Optics and Optoelectronic Inspection and Control, (5 October 2000); doi: 10.1117/12.401801
Show Author Affiliations
Yan Sun, Changchun Institute of Optics and Fine Mechanics (China)
Guohua Cao, Changchun Institute of Optics and Fine Mechanics (China)
Li Li, Changchun Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 4223:
Instruments for Optics and Optoelectronic Inspection and Control

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