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Gerstein, Gregory
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Publications (25/25 displayed)
- 2024Influence of Various Processing Routes in Additive Manufacturing on Microstructure and Monotonic Properties of Pure Iron—A Review-like Study
- 2023Coexistence of Intermetallic Complexions and Bulk Particles in Grain Boundaries in the ZEK100 Alloycitations
- 2023Correlating Ultrasonic Velocity in DC04 with Microstructure for Quantification of Ductile Damage
- 2023Grain Boundary Wetting Transition in the Mg-Based ZEK 100 Alloycitations
- 2023Electroplasticity Mechanisms in hcp Materialscitations
- 2022Cu-Ni-Based Alloys from Nanopowders as Potent Thermoelectric Materials for High-Power Output Applicationscitations
- 2022High Strain Rate and Stress-State-Dependent Martensite Transformation in AISI 304 at Low Temperatures
- 2021Hot forming of shape memory alloys in steel shells: formability, interface, bonding quality
- 2021The Grain Boundary Wetting Phenomena in the Ti-Containing High-Entropy Alloys: A Reviewcitations
- 2021Grain Boundary Wetting by a Second Solid Phase in the High Entropy Alloys: A Reviewcitations
- 2021Hydrogen-assisted crack propagation in pre-strained twinning-induced plasticity steel: From initiation at a small defect to failure
- 2021Evaluation of Cu-Ni-Based Alloys for Thermoelectric Energy Conversioncitations
- 2020A multiscale study of hot-extruded CoNiGa ferromagnetic shape-memory alloyscitations
- 2020A multiscale study of hot-extruded CoNiGa ferromagnetic shape-memory alloys
- 2019Microstructure formation in cast TiZrHfCoNiCu and CoNiCuAlGaIn high entropy shape memory alloys: A comparison
- 2018Magnetic pulse controlled microstructure development in Co49Ni21Ga30 single crystals
- 2018Ion polishing as a method of imaging the magnetic structures in CoNiGa monocrystal
- 2018Evaluation of micro-damage by acoustic methodscitations
- 2018Influence of High Current-Density Impulses on the Stress-Strain Response and Microstructural Evolution of the Single Crystal Superalloy CMSX-4citations
- 2017Investigations of ductile damage in DP600 and DC04 deep drawing steel sheets during punching
- 2017Microstructural characterization and simulation of damage for geared sheet componentscitations
- 2017Experimental analysis of anisotropic damage in dual-phase steel by resonance measurementcitations
- 2017Analysis of dislocation structures in ferritic and dual phase steels regarding continuous and discontinuous loading paths
- 2016Investigations of ductile damage in DP600 and DC04 deep drawing steel sheets during punchingcitations
- 2015Characterization of the microstructure evolution in IF-Steel and AA6016 during plane-strain tension and Simple Shearcitations
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document
Investigations of ductile damage in DP600 and DC04 deep drawing steel sheets during punching
Abstract
The paper presents numerical and microstructural investigations on a punching process of 2 mm thick steel sheets. The dual phase steel DP600 and the mild steel DC04 exhibit different damage and fracture characteristics. To distinguish the void development and crack initiation for both materials, interrupted tests at varied punch displacements are analyzed. The void volume fractions in the shearing zone are identified by scanning electron microscopy (SEM). The Gurson model family, which is recently extended for shear fracture, is utilized to model the elastoplastic behavior with ductile damage. The effect of the shear governing void growth parameter, introduced by Nahshon and Hutchinson (2008), is discussed.