TY - GEN

T1 - Numerical investigation of rotational friction welding for C22.8 - 41Cr4 joints using a substitute model

AU - Mohnfeld, Norman

AU - Wester, Hendrik

AU - Tunc Karaer, Gökhan

AU - Piwek, Armin

AU - Uhe, Johanna

N1 - Publisher Copyright: © 2024, Association of American Publishers. All rights reserved.

PY - 2024

Y1 - 2024

N2 - Abstract. Rotational friction welding (RFW) is a solid-state joining process that enables the joining of similar and dissimilar materials such as metal-metal or metal-ceramic joints. Due to its high application flexibility, this process has great potential for the production of hybrid components. In order to be able to realise this potential for the production of hybrid components, the development of an improved process design is required. Due to the complexity of the process, the Finite Element Method (FEM) can be used to solve complex problems and is therefore an established tool for the design of joining processes. This work focuses on the development of an FE model to represent the RFW process of C22.8 and 41Cr4 joints. The material data required for the numerical representation of the RFW were obtained from isothermal cylinder compression tests. The frictional heat which is generated during RFW is calculated using a substitute model, which mainly depends on the Y-factor. The Y-factor indicates what percentage of the calculated frictional energy is introduced into the process. The Y-factor was determined and then verified using experimental data. A general validity of the determined Y-factors with changed process parameters could not be achieved.

AB - Abstract. Rotational friction welding (RFW) is a solid-state joining process that enables the joining of similar and dissimilar materials such as metal-metal or metal-ceramic joints. Due to its high application flexibility, this process has great potential for the production of hybrid components. In order to be able to realise this potential for the production of hybrid components, the development of an improved process design is required. Due to the complexity of the process, the Finite Element Method (FEM) can be used to solve complex problems and is therefore an established tool for the design of joining processes. This work focuses on the development of an FE model to represent the RFW process of C22.8 and 41Cr4 joints. The material data required for the numerical representation of the RFW were obtained from isothermal cylinder compression tests. The frictional heat which is generated during RFW is calculated using a substitute model, which mainly depends on the Y-factor. The Y-factor indicates what percentage of the calculated frictional energy is introduced into the process. The Y-factor was determined and then verified using experimental data. A general validity of the determined Y-factors with changed process parameters could not be achieved.

KW - FEM

KW - Hybrid Components

KW - Rotational Friction Welding

KW - Substitute Model

UR - http://www.scopus.com/inward/record.url?scp=85195990043&partnerID=8YFLogxK

U2 - 10.21741/9781644903131-185

DO - 10.21741/9781644903131-185

M3 - Conference contribution

SN - 9781644903131

T3 - Material Forming: ESAFORM 2024

SP - 1668

EP - 1677

BT - Material Forming – ESAFORM 2024

A2 - Araujo, Anna Carla

A2 - Cantarel, Arthur

A2 - Chabert, France

A2 - Korycki, Adrian

A2 - Olivier, Philippe

A2 - Schmidt, Fabrice

ER -