STUDY OF ELASTIC-PERFECTLY PLASTIC STRESS-STRAIN STATE OF CRACKED PLATES UNDER CONDITIONS OF PLANE STRESS
Abstract
IN THE PRESENT STUDY AN EXPERIMENTAL METHOD OF DEFINITION OF THE STRESS AND STRAIN FIELD AROUND THE CRACK TIP IN METALLIC EDGE CRACKED SPECIMENS DEVELOPS. THEBIREFRINGENT COATING TECHNIQUE WAS APPLIED TO ESTIMATE ELASTIC AND PLASTIC DEFORMATIONS AS WELL AS TO DEFINE THE ELASTIC-PLASTIC BOUNDARIES IN SUCCESSIVE LOADING STEPS UNDER CONDITION OF PLANE STRESS. THE ANALYTICAL CALCULATION OF STRESS STATE BASED ON EXPERIMENTAL DATA WAS CARRIED OUT WITH THE AID OF THE THEORY OF ELASTIC FULLY PLASTIC MATERIALS. THE DIFFERENTIAL EQUATIONS OF PRANDTL-RENSS AS WELL AS THE CRITERION OF V. MISES WERE USED. PARTICULARLY THE PRESENT WORK REFERS TO THE VERY DIFFICULT PROBLEM OF DETERMINATION OF THE STRESS AND DEFORMATION FIELD IN THE VICINITY OF THE CRACK TIP OF A RECTANGULAR TENSILE METALLIC SHEET WITH SYMMETRIC EDGE CRACKS WITH THE BIREFRIGENT COATING TECHNIQUE OF PHOTELASTICITY.
Download full text in PDF format (5.11 MB)
(Available only to registered users)
|
All items in National Archive of Phd theses are protected by copyright.
|
Usage statistics
VIEWS
Concern the unique Ph.D. Thesis' views for the period 07/2018 - 07/2023.
Source: Google Analytics.
Source: Google Analytics.
ONLINE READER
Concern the online reader's opening for the period 07/2018 - 07/2023.
Source: Google Analytics.
Source: Google Analytics.
DOWNLOADS
Concern all downloads of this Ph.D. Thesis' digital file.
Source: National Archive of Ph.D. Theses.
Source: National Archive of Ph.D. Theses.
USERS
Concern all registered users of National Archive of Ph.D. Theses who have interacted with this Ph.D. Thesis. Mostly, it concerns downloads.
Source: National Archive of Ph.D. Theses.
Source: National Archive of Ph.D. Theses.