An investigation of the crack propagation in tool steel X38CrMoV5 (AISI H11) in SE(T) specimens

Abstract : A method is proposed for the evaluation of surface fatigue damage of hot forming tools that undergo severe thermo mechanical loading. Fatigue crack propagation in a hot work tool steel X38CrMoV5-47HRC is investigated using single-edge cracked tension specimens (SET). The effect of thickness (ranging from 2,5mm to 0.10mm) and R values is investigated. Numerical simulation is performed by ABAQUS® Standard to evaluate J integral and stress intensity factor KI. The Paris curves are established. Short crack propagation in thin specimens is addressed. Effect of slip bands on crack propagation mechanism is investigated.
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  • HAL Id : hal-01691738, version 1
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Masood Shah, Catherine Mabru, Christine Boher, Sabine Le Roux, Farhad Rezai-Aria. An investigation of the crack propagation in tool steel X38CrMoV5 (AISI H11) in SE(T) specimens. 8th International Tooling Conference (TOOL 2009), Jun 2009, Aachen, Germany. pp.1-9. ⟨hal-01691738⟩

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