Determination of calibration function for fatigue crack propagation by measurment[!] surface deformation

Glaser, Bruno; Gubeljak, Nenad; Predan, Jožef; Gubeljak, Patrik; Veg, Aleksandar

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Title:	Determination of calibration function for fatigue crack propagation by measurment[!] surface deformation
Authors:	ID Glaser, Bruno (Author) ID Gubeljak, Nenad (Author) ID Predan, Jožef (Author) ID Gubeljak, Patrik (Author) ID Veg, Aleksandar (Author)
Files:	http://ojs.ugent.be/index.php/SCAD/article/view/740
Language:	English
Work type:	Not categorized
Typology:	1.01 - Original Scientific Article
Organization:	FS - Faculty of Mechanical Engineering
Abstract:	Components and structures exposed to elastic dynamic loading respond with elastic strains on the surface of the material. Mechanical response could be monitored by deformations on the surface. The measurements and monitoring of these parameters could be performed with electronic devices for on-line measurements, controlled by computerized systems. In the case of fatigue crack initiation and propagation the cyclic strain amplitude deviated from initial strain response (mean value and amplitude). Implementation of appropriate monitoring system supported by computerized programs for evaluation, analyses and activation represent important means to safe service component or construction. To evaluate flaw depth growth, the strain gauge measuring sensors could be used. These sensors measure surface deformation relaxation due to flaw depth growth. The monitoring of the material under cyclic loading could be performed with experimentally determined calibration curve, representing deformation on the surface and depth of the semi-elliptical crack growth on the surface or cross section of the material. The goal of this paper is describe electronic device and experimental procedure in order to determine calibration function.
Keywords:	deformacije, elastičnost, rast razpoke, fatigue crack growth, surface deformation meaurement
Year of publishing:	2013
Number of pages:	[8] str.
Numbering:	Vol. 4, no. 1
PID:	20.500.12556/DKUM-50345
UDC:	539.3
ISSN on article:	2032-7471
COBISS.SI-ID:	16794390
NUK URN:	URN:SI:UM:DK:RYKNA8EE
Publication date in DKUM:	10.07.2015
Views:	1642
Downloads:	106
Metadata:
Categories:	Misc.
:	GLASER, Bruno, GUBELJAK, Nenad, PREDAN, Jožef, GUBELJAK, Patrik and VEG, Aleksandar, 2013, Determination of calibration function for fatigue crack propagation by measurment[!] surface deformation. Sustainable construction & design [online]. 2013. Vol. 4, no. 1. [Accessed 13 April 2025]. Retrieved from: http://ojs.ugent.be/index.php/SCAD/article/view/740 Copy citation