Page 165 - Handbook of Materials Failure Analysis
P. 165
CHAPTER
Investigation of failure
behavior of thin-walled 7
tubular components and
development of a procedure
for evaluation of their
mechanical and fracture
properties
Mahendra K. Samal
Reactor Safety Division, Bhabha Atomic Research Centre, Trombay, Mumbai, India
CHAPTER OUTLINE
1 Introduction ..................................................................................................... 161
2 Material ........................................................................................................... 163
3 Experiment on Ring Specimens for Evaluation of Transverse Mechanical
Properties ........................................................................................................ 164
4 Fracture Experiment on Tubular Specimens Using Conical Mandrels ................... 168
5 Fracture Experiment on Tubular Specimens Using a Pair of Semi-Cylindrical
Mandrels ......................................................................................................... 169
6 Results and Discussion ..................................................................................... 172
6.1 Results of the Test Setup with Conical-Type Loading Mandrel ..............172
6.2 FE Analysis of the Test Setup with Conical-Type Loading Mandrel ........175
6.3 Results of Test Setup with Pair of Split Semi-Cylindrical
Loading Mandrels .............................................................................177
7 Conclusion ....................................................................................................... 184
References ............................................................................................................ 185
1 INTRODUCTION
Thin-walled tubular components are widely used in various industries, for example, in
the high-temperature and high-pressure regions of thermal power plants as boiler tubes,
super-heater and re-heater tube banks, tubes of heat exchangers, steam generators, etc.
Handbook of Materials Failure Analysis With Case Studies from the Chemicals, Concrete, and Power Industries. 161
http://dx.doi.org/10.1016/B978-0-08-100116-5.00007-7
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