Ductile failure of Inconel 718 during flow forming process and its numerical investigation
Understanding the fracture mechanisms and predicting failure in forming processes is of
great interest to increase formability and numerical methods have been proven effective …
great interest to increase formability and numerical methods have been proven effective …
Comparison of Linear and Nonlinear Twist Extrusion Processes with Crystal Plasticity Finite Element Analysis
The mechanical characteristics of polycrystalline metallic materials are influenced
significantly by various microstructural parameters, one of which is the grain size …
significantly by various microstructural parameters, one of which is the grain size …
Effect of process parameters on the ductile failure behavior of flow forming process
Flow forming is a metal forming technique used to manufacture hollow cylindrical tubes with
favorable mechanical properties and high surface finish quality. The current work is …
favorable mechanical properties and high surface finish quality. The current work is …
A numerical ballistic performance investigation of Armox 500T steel through ductile damage models
Y Göçmen, C Erdogan, T Yalçinkaya - Engineering Fracture Mechanics, 2023 - Elsevier
In this work, the ballistic response of an armor steel, Armox 500T, is numerically investigated
through finite element (FE) analysis by utilizing the Johnson–Cook (JC) and modified Mohr …
through finite element (FE) analysis by utilizing the Johnson–Cook (JC) and modified Mohr …
Numerical analysis of thermo-mechanical behavior in flow forming
E Günay, TO Fenercioğlu, T Yalçinkaya - Procedia Structural Integrity, 2022 - Elsevier
Flow forming is a metal forming process for cylindrical workpieces where high velocity
deformation leads to radial thinning and axial extension. In the current study, a …
deformation leads to radial thinning and axial extension. In the current study, a …
The rollers' offset position influence on the counter-roller flow-forming process
Background: The general counter-roller flow-forming (CRFF) process rarely considers the
roller's offset position for the symmetric rollers. However, the rollers' offset position can …
roller's offset position for the symmetric rollers. However, the rollers' offset position can …
Experimental identification of uncoupled ductile damage models and application in flow forming of IN718
The aim of this study is to calibrate the parameters of the Johnson-Cook (JC) and modified
Mohr-Coulomb (MMC) ductile failure models for Inconel 718 and predict the formability limit …
Mohr-Coulomb (MMC) ductile failure models for Inconel 718 and predict the formability limit …
Entwicklung des selbstregelnden Drückwalzens
MSR Laue - 2023 - monarch.qucosa.de
Abstract (DE) Die Verbesserung der Energie-und Ressourceneffizienz stellt eine zentrale
Aufgabe für die Produktionstechnik dar. Inkrementelle Verfahren wie das Drückwalzen …
Aufgabe für die Produktionstechnik dar. Inkrementelle Verfahren wie das Drückwalzen …
A numerical study on the ballistic performance of projectiles formed by shaped charge
Y Göçmen, C Erdogan… - Journal of Applied …, 2023 - asmedigitalcollection.asme.org
In this work, a numerical analysis of shaped charge impact process is conducted to
investigate the jet formation process and its penetration performance on metal targets …
investigate the jet formation process and its penetration performance on metal targets …
Fracture forming limit curve prediction by ductile fracture models
The fracture forming limit curve is an essential tool giving information about fracture initiation
in metal forming applications. In order to obtain a fracture-forming limit curve, the Nakajima …
in metal forming applications. In order to obtain a fracture-forming limit curve, the Nakajima …