Ghosh, Sabita and Das, Goutam (2012) Effect of pre strain on the indentation fracture toughness of high strength low alloy steel by means of continuum damage mechanics. Engineering Fracture Mechanics, 79 . pp. 126-137.
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The effect of pre-strain on indentation fracture toughness of copper strengthened high strength low alloy structural steel has been studied with the help of a model based on continuum damage mechanics developed by J-S Lee et.al. To examine the basic assumption of the model, finite element simulation of ball indentation has been done and which feasibility has been checked by comparing the load depth curve with the experimental data. With pre-straining, continuous decrement of indentation fracture toughness values of the materials has been observed which showed good agreement with the ‘J’ initiation fracture toughness values from the conventional test technique.
|Uncontrolled Keywords:||Fracture toughness; Ball indentation; High strength low alloy steel (HSLA); Continuum damage mechanics; Finite element modeling (FEM)|
|Divisions:||Material Science and Technology|
|Deposited By:||Dr. A K Sahu|
|Deposited On:||05 Nov 2011 12:39|
|Last Modified:||24 Apr 2012 15:06|
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