Effect of heat treatment on the ratcheting behaviour of additively manufactured and thermo-mechanically treated Ti–6Al–4V alloy

A Ghosh, VK Sahu, NP Gurao - Materials Science and Engineering: A, 2022 - Elsevier
The ratcheting behaviour of the additively manufactured and thermo-mechanically treated Ti–
6Al–4V alloy has been investigated. Post heat treatment microstructures of comparable …

Constitutive modelling and damage prediction of AlSi10Mg alloy manufactured by SLM technology with emphasis on ratcheting in LCF regime

P Das, R Halama, AV Natarajan, N Khutia… - International Journal of …, 2024 - Elsevier
The present work has been aimed at developing an improved cyclic plasticity model in the
framework of Ohno-Wang kinematic hardening formulation and evaluating the performance …

Modeling and testing of flexible structures with selected planar patterns used in biomedical applications

P Marsalek, M Sotola, D Rybansky, V Repa, R Halama… - Materials, 2020 - mdpi.com
Flexible structures (FS) are thin shells with a pattern of holes. The stiffness of the structure in
the normal direction is reduced by the shape of gaps rather than by the choice of the …

Material model identification from set of experiments and validation by DIC

J Rojíček, M Čermák, R Halama, Z Paška… - … and Computers in …, 2021 - Elsevier
A methodology for calibration and validation of material models using more simultaneous
experiments is presented. The procedure contains the selection of suitable parameters for …

Cyclic plasticity of additively manufactured metals

R Halama, K Kourousis, M Pagáč, Z Paška - Cyclic plasticity of metals, 2022 - Elsevier
This book chapter first explains some fundamentals of additive manufacturing of metals. The
scanning strategies and printing parameters in the framework of selective laser melting …

Restoration and possible upgrade of a historical motorcycle part using powder bed fusion

L Kudrna, QP Ma, J Hajnys, J Mesicek, R Halama… - Materials, 2022 - mdpi.com
Reverse engineering is the process of creating a digital version of an existing part without
any knowledge in advance about the design intent. Due to 3D printing, the reconstructed …

Influence of printing orientation on power-law hardening and ductile damage parameters for 3D-printed SS316L steel: experimental and FEA approach

A Saxena, AK Srivastava, NK Maurya… - Journal of Adhesion …, 2024 - Taylor & Francis
In the present investigation, the selective laser melting (SLM) technique has been utilized for
the 3-dimensional printing (tensile test specimens) of SS316L steel powder at 00 …

Modeling the Progressive Amplitude and Pulsating Tension Fatigue Response of Laser-Powder Bed Fusion Stainless Steel GP1

SF Siddiqui, N O'Nora, AP Gordon - JOM, 2023 - Springer
The metal additive manufacturing technology, with its savings in production time and the
provision for expansive design capabilities has shown promise in the aerospace industry …

Strain Range Dependent Cyclic Hardening of 08Ch18N10T Stainless Steel—Experiments and Simulations

J Fumfera, R Halama, R Procházka, P Gál, M Španiel - Materials, 2019 - mdpi.com
This paper describes and presents an experimental program of low-cycle fatigue tests of
austenitic stainless steel 08Ch18N10T at room temperature. The low-cycle tests include …

[PDF][PDF] aDepartment of Applied Mechanics, Faculty of Mechanical Engineering, VSB–Technical University of Ostrava, Ostrava, Czech Republic, bSchool of Engineering …

R Halama, K Kourousis, M Pagác… - Cyclic Plasticity of …, 2022 - researchgate.net
Additive manufacturing (AM) plays a crucial role in prototyping today. For metallic parts,
powder bed fusion technology brings the best mechanical properties and, for completeness …