scholarly journals Investigation of the crack tip stress field in a stainless steel SENT specimen by means of Thermoelastic Stress Analysis

2019 ◽  
Vol 18 ◽  
pp. 330-346 ◽  
Author(s):  
Giuseppe Pitarresi ◽  
Mauro Ricotta ◽  
Giovanni Meneghetti
Keyword(s):  
Stainless Steel ◽  
Stress Field ◽  
Stress Analysis ◽  
Crack Tip ◽  
Thermoelastic Stress ◽  
Thermoelastic Stress Analysis ◽  
Crack Tip Stress

The Effect of Crack-Tip Interactions on the Curve-Fitting of Isopachics

2004 ◽  
Vol 1-2 ◽  
pp. 121-126 ◽  
Author(s):  
Keith Worden ◽  
Andrew Spencer ◽  
Janice M. Dulieu-Barton
Keyword(s):  
Experimental Data ◽  
Stress Field ◽  
Stress Analysis ◽  
Recent Work ◽  
Curve Fitting ◽  
Crack Tip ◽  
Thermoelastic Stress ◽  
Thermoelastic Stress Analysis ◽  
Fitting Procedure ◽  
Crack Tips

Recent work by the authors has allowed the estimation of crack-tip SIFs by direct curvefitting of a cardioid form to measured isopachics from thermoelastic stress analysis. However, some of the curve-fits indicated that the cardioid form was inappropriate for the base model. One of the possible explanations for this is that the cardioid form is only suitable for an isolated crack-tip stress field. In the experimental data for the previous studies, a crack was placed centrally in a plate and there will therefore have been two (potentially) interacting crack-tips involved. The object of the current paper is to determine numerically, the stress field for such a crack system and to quantify the effect of any interactions on the curve-fitting procedure.

Development and applications of thermoelastic stress analysis

1998 ◽  
Vol 33 (2) ◽  
pp. 93-104 ◽  
Author(s):  
J M Dulieu-Barton ◽  
P Stanley
Keyword(s):  
Composite Materials ◽  
Stress Analysis ◽  
Damage Assessment ◽  
Crack Tip ◽  
Thermoelastic Stress ◽  
Field Work ◽  
Thermoelastic Stress Analysis ◽  
Stress Studies ◽  
Theoretical Developments ◽  
Crack Tip Stress

The theory of thermoelastic stress analysis is reviewed and the implications of some theoretical developments are assessed. Available instrumentation is described and techniques available for separation of individual stress values are summarized. The scope of the technique is illustrated with reference to a number of applications covering crack-tip stress studies, stress analysis and damage assessment in composite materials, and ‘field’ work on a traffic-loaded road bridge.

A review of the general theory of thermoelastic stress analysis

2003 ◽  
Vol 38 (5) ◽  
pp. 405-417 ◽  
Author(s):  
G Pitarresi ◽  
E. A Patterson
Keyword(s):  
Stress Field ◽  
General Theory ◽  
Stress Analysis ◽  
Experimental Technique ◽  
Surface Stress ◽  
Thermoelastic Stress ◽  
Thermodynamic Theory ◽  
Thermoelastic Stress Analysis ◽  
Thermoelastic Effect ◽  
Insight Into

Thermoelastic stress analysis (TSA) is now a well-known experimental technique providing information on the surface stress field in structures. Many studies have assessed the potential of the technique for a number of applications and some useful and detailed reviews of these investigations are available, focusing mainly on the experimental aspects related to the measurement of the thermoelastic signal. In this work, instead, a complete and detailed insight into the origins of the various forms of the equations describing the thermoelastic effect is given with reference to the concepts of the thermodynamic theory of a continuum. A discussion on the theory leading to the thermoelastic effect law is intended to give a useful overview of the applications and real limitations of TSA.

Thermoelastic Stress Analysis

1982 ◽  
Vol 29 (4) ◽  
pp. 555-563 ◽  
Author(s):  
L.R. Baker ◽  
J.M.B. Webber
Keyword(s):  
Stress Analysis ◽  
Thermoelastic Stress ◽  
Thermoelastic Stress Analysis
Sign in / Sign up

Export Citation Format

Share Document