ISSN:
1573-2738
Keywords:
contact under complex load
;
experimental stress analysis
;
photoviscoelastic
;
time- and temperature-dependent properties
;
viscoelasticity
Source:
Springer Online Journal Archives 1860-2000
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
Abstract This study discusses several types of contact, involving compression andsliding, between a time-dependent material and a rigid body. Itdemonstrates a useful application of a new hybrid method forphotoviscoelastic stress analysis under non-proportional loadingconditions, in which the principal axes of stress, strain, andbirefringence are not aligned with each other. Using a computer-aidedimage processing technique, the distribution of fringe order andbirefringent principal axes in the vicinity of the contact surface areevaluated from a few photoviscoelastic images through a plane polariscopeby using the well known diagonal summation theorem. The variation of theprincipal stress and/or strain differences as well as their directions areeasily obtainable over a wide time range by use of the opticalconstitutive equations of photoviscoelasticity and the characteristicmaterial properties functions.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1023/A:1009754810415
