A compression-torsion-wear-test achieving contact pressures of up to eight times the initial flow stress of soft aluminium

M Teller, M Bambach, G Hirt - CIRP Annals, 2015 - Elsevier
Different experiments exist for the characterization of friction and wear in metal forming,
which try to reproduce the tribological conditions of the forming process as precisely as …

A Methodology for Tribo-Mechanical Characterization of Metallic Alloys under Extreme Loading and Temperature Conditions Typical of Metal Cutting Processes

AVL Gregório, TEF Silva, AP Reis… - … of Manufacturing and …, 2022 - mdpi.com
The present paper proposes a combined tribo-mechanical methodology for assessing
friction under conditions representative of metal cutting, without resorting to machining …

Development of devices for measuring contact friction forces in the processes of volumetric plastic deformation

IS Aliiev, VN Levchenko, OE Markov… - … International Journal of …, 2024 - Springer
Methods and means for studying the factor of plastic contact friction in the processes of
volumetric plastic deformation of solid and hollow precision workpieces were discussed in …

Optimized Modeling Strategies for the Parametrization of a Two-Parameter Friction Model Through Inverse Modeling of Conical Tube-Upsetting Tests

M Henze, L Koch, D Bailly, M Teller, G Hirt - Metals, 2024 - search.proquest.com
Friction is a critical influencing factor for a variety of forming processes, as it affects, for
example, the required forming force. Complex models for the numerical description of friction …

Effect of Silica Nanoparticles and Multiwall Carbon Nanotubes Dispersing Lubricating Grease in Metal Forming

SZ El-Abden - Journal of the Egyptian Society of Tribology, 2019 - journals.ekb.eg
The present work discusses the influence of friction in metal forming. Experiments were
carried out to determine the coefficient of friction and wear displayed by bearing steel ball …

Extended conical tube-upsetting test to investigate the evolution of friction conditions

M Teller, A Klubakov, M Franzke… - Key Engineering …, 2016 - Trans Tech Publ
Friction has a significant influence on almost all metal forming processes. An in situ
measurement of the friction stress within the forming process is in general difficult. Therefore …

Luminescence method-instrument used for detection of surface cleanliness

J Kudláček, P Chábera, L Šikulec - Technical Gazette, 2015 - dspace.cvut.cz
The process of surface treatment has significant role in several industrial applications.
Among the processes that most affect the quality of surface treatment are mainly the pre …

Simulation-assisted approach for determining wear-limited tool life in the coining process

Á Navarrete, JM Izquierdo, M López… - … International Journal of …, 2020 - Springer
Efficiency of coin manufacturing is often limited by the service life of the stamping dies,
whose degradation by wear results in decreasing the quality of the produced coin …

[PDF][PDF] The rationalization of production of magnesium alloy drop forgings using FEM simulation regarding forging process

M Kapustová, J Bílik - Tehnički Vjesnik, 2017 - core.ac.uk
Original scientific paper In this paper a method of precision die forging without flash of
magnesium alloy AZ31 is described. This method brings material and energy savings …

Determination of the Change in Electrical Conductivity of Single, Bimetallic and Trimetallic Cylindrical Billets with Plastic Deformation Induced by Upsetting Process

I Cetintav, C Misirli, Y Can - Tehnički vjesnik, 2022 - hrcak.srce.hr
Sažetak In this study, measurement of the effect of singular, bimetallic and multimetallic
materials exposed to cold plastic deformation on electrical conductivity properties was …