Materials Map

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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Topics

Publications (61/61 displayed)

  • 2024In-situ computed tomography and transient dynamic analysis – failure analysis of a single-lap tensile-shear test with clinch points1citations
  • 2022Characterisation of lateral offsets in clinch points with computed tomography and transient dynamic analysis2citations
  • 2022Review on mechanical joining by plastic deformation90citations
  • 2021Cryogenic deep drawing of aluminum alloy AA6014 using macro-structured tools3citations
  • 2021A Method for Characterization of Geometric Deviations in Clinch Points with Computed Tomography and Transient Dynamic Analysis7citations
  • 2019Simulation methods for skew rolling6citations
  • 201560 Excellent inventions in metal forming39citations
  • 2014Formation and properties of mixed ferritic-martensitic microstructures in the air-hardening steel LH8009citations
  • 2014Testing and modelling of material behaviour and formability in sheet metal forming204citations
  • 2014An experimental and numerical investigation of different shear test configurations for sheet metal characterization102citations
  • 2013Grain size evolution simulation in aluminium alloys AA 6082 and AA 7020 during hot forward extrusion process27citations
  • 2012Exceeding the Forming Limit Curve with Deep Drawing Followed by Electromagnetic Calibrationcitations
  • 2012FlexDie: A flexible tooling concept for incremental sheet forming4citations
  • 2012A cyclic twin bridge shear test for the identification of kinematic hardening parameters62citations
  • 2012Dynamic forming limits and numerical optimization of combined quasi-static and impulse metal forming20citations
  • 2012Numerical approach for the evaluation of seam welding criteria in extrusion processes7citations
  • 2012Experimental and numerical analysis of material flow in porthole die extrusion21citations
  • 2012Combined simulation of quasi-static deep drawing and electromagnetic forming by means of a coupled damage–viscoplasticity model at finite strainscitations
  • 2012Characterization of anisotropy of sheet metals employing inhomogeneous strain fields for Yld2000-2D yield function72citations
  • 2012Preparation and etching methods for a light-optical microscopy analysis of extrusion seams and microstructural contrasting for aluminum alloys EN AW-6063 and EN AW-6082 | Präparations- und Ätzmethodik zur lichtmikroskopischen Analyse von Strangpressnähten und Gefügekontrastierung für die Aluminiumlegierungen EN AW-6063 und EN AW-6082citations
  • 2012Preparation and Etching Methods for a Light-Optical Microscopy Analysis of Extrusion Seams and Microstructural Contrasting for Aluminum Alloys EN AW-6063 and EN AW-60821citations
  • 2012Bulk forming of sheet metal325citations
  • 2011Computational design and forming limits of pcocess chains composed of quasi-static and dynamic processescitations
  • 2011A new shear test for sheet metal characterization67citations
  • 2011Strategies for springback compensation regarding process robustness10citations
  • 2011A viscoplastic material model based on overstress for the simulation of incremental sheet forming of thermoplastics8citations
  • 2011Investigation of forming strategies to set up mechanical properties of parts made by incremental sheet bulk rolling1citations
  • 2011Three-dimensional formulation and validation of a new viscoplastic material model for the simulation of incremental forming of thermoplasticscitations
  • 2011Investigation and prediction of grain texture evolution in AA60823citations
  • 2011Characterization of initial anisotropy of sheet metals employing inhomogeneous strain fields1citations
  • 2011Overview on sheet-bulk metal forming processescitations
  • 2011An experimental and numerical assessment of sheet-bulk formability of mild steel DC0412citations
  • 2011Accurate deep drawing simulation by combining analytical approaches8citations
  • 2011Thermally sprayed coatings as effective tool surfaces in sheet metal forming applications3citations
  • 2011Inverse method for identification of initial yield locus of sheet metals utilizing inhomogeneous deformation fields13citations
  • 2011Machines and tools for sheet-bulk metal forming10citations
  • 2011Process design for the manufacturing of magnetic pulse welded joints4citations
  • 2010An assessment of the grain structure evolution during hot forward extrusion of aluminum alloy 70204citations
  • 2010Numerical material flow optimization of a multi-hole extrusion process6citations
  • 2010Textured surfaces for deep drawing tools by rolling41citations
  • 2010Finishing of thermally sprayed tool coatings for sheet metal forming operations by roller burnishing11citations
  • 2009Increase in quality and reliability of the process chain in the flexible manufacture of light space frame structures | Prozesskette zur flexiblen herstellung leichter tragwerkstrukturen steigerung der qualität und zuverlässigkeitcitations
  • 2009Multifunctional lightweight structures from tailored cladded blanks6citations
  • 2009Densification of atmospheric plasma sprayed wear resistant coatingscitations
  • 2009Efficient new process uses kinematic male parts: Rapid prototyping in sheet metal forming | Rapid Prototyping in der Blechumformungcitations
  • 2009Influence of mandrel's surface and material on the mechanical properties of joints produced by electromagnetic compression15citations
  • 2009Innovation by forming technology: Motivation for research25citations
  • 2009Analysis of the Hydraulic Bulge Test with FEA Concerning the Accuracy of the Determined Flow Curves16citations
  • 2009Inverse parameter identification of sheet metals utilizing the distribution of field variables1citations
  • 2008Numerical process design of hot stamping processes based on verified thermo-mechanical characteristicscitations
  • 2008Efficient modelling and simulation of process chains in sheet metal forming and processing8citations
  • 2008Joining by compression and expansion of (none-) reinforced profiles8citations
  • 2008Analysis of different die materials for the electromagnetic sheet metal forming processcitations
  • 2008Determination of the material characteristics by means of a high speed tensile test - experiments and simulations5citations
  • 2008Influence of Mandrel s Surface on the Mechanical Properties of Joints Produced by Electromagnetic Compressioncitations
  • 2008Design and Analysis of a Deep Drawing and Inprocess Electromagnetic Sheet Metal Forming Processcitations
  • 2008Process Analysis and Physical Simulation of Electromagnetic Joining of Thin-Walled partscitations
  • 2008New aspects of joining by compression and expansion of tubular workpieces22citations
  • 2007Decoupled simulation method for incremental sheet metal forming10citations
  • 2006Process Investigation of Tube Expansion by Gas Detonationcitations
  • 2004Determination of Material Characteristics using Electromagnetic Forming and Weak Coupled Finite Element Simulationscitations

Places of action

Chart of shared publication
Reschke, G.
1 / 1 shared
Kupfer, R.
3 / 57 shared
Köhler, D.
3 / 12 shared
Troschitz, J.
3 / 19 shared
Gude, Mike
3 / 775 shared
Kupfer, Robert
1 / 60 shared
Troschitz, Juliane
2 / 42 shared
Sadeghian, B.
2 / 4 shared
Merklein, M.
7 / 49 shared
Homberg, W.
4 / 27 shared
Tulke, Marc
1 / 9 shared
Wolf, Alexander
1 / 8 shared
Guilleaume, Christina
1 / 7 shared
Tekkaya, Ae
46 / 822 shared
Grydin, O.
2 / 19 shared
Zou, Y.
1 / 1 shared
Nürnberger, Florian
1 / 45 shared
Schaper, M.
6 / 51 shared
Bruschi, S.
1 / 20 shared
Banabic, D.
1 / 1 shared
Ghiotti, A.
1 / 19 shared
Cao, J.
1 / 15 shared
Bariani, P. F.
1 / 2 shared
Altan, T.
1 / 2 shared
Khraisheh, M.
1 / 5 shared
Gerstein, G.
1 / 44 shared
Suttner, S.
1 / 3 shared
Biasutti, M.
1 / 4 shared
Zillmann, B.
1 / 9 shared
Wagner, M. F.-X.
1 / 27 shared
Halle, T.
1 / 37 shared
Yin, Q.
4 / 8 shared
Foydl, A.
3 / 10 shared
Tomesani, L.
2 / 24 shared
Donati, L.
2 / 33 shared
Ben Khalifa, N.
3 / 32 shared
Segatori, A.
2 / 4 shared
Demir, O.-K.
1 / 1 shared
Kwiatkowski, L.
9 / 28 shared
Tekkaya, A. E.
5 / 14 shared
Wawrosch, A.
1 / 1 shared
Franzen, V.
7 / 13 shared
Sebastiani, G.
3 / 5 shared
Güner, A.
5 / 14 shared
Soyarslan, C.
5 / 23 shared
Taebi, F.
2 / 3 shared
Stiemer, M.
2 / 9 shared
Demir, O. K.
5 / 11 shared
Psyk, V.
4 / 14 shared
Blum, H.
2 / 6 shared
Kloppenborg, T.
5 / 16 shared
Schwane, M.
2 / 11 shared
Reeb, A.
3 / 7 shared
Weidenmann, K. A.
3 / 32 shared
Khalifa, N. B.
3 / 33 shared
Kiliclar, Y.
1 / 5 shared
Vladimirov, N.
1 / 1 shared
Reese, S.
1 / 12 shared
Ohl, A.
2 / 3 shared
Poser, K.
2 / 3 shared
Mori, K.
1 / 6 shared
Allwood, J. M.
1 / 18 shared
Hagenah, H.
1 / 1 shared
Behrens, B.-A.
1 / 29 shared
Kuzman, K.
1 / 2 shared
Weckenmann, A.
1 / 1 shared
Güner, Alper
2 / 15 shared
Kracker, H.
1 / 1 shared
Gösling, M.
1 / 2 shared
Kuhnt, S.
1 / 2 shared
Haupt, P.
2 / 5 shared
Yonan, S. A.
1 / 1 shared
Plugge, B.
3 / 3 shared
Schunck, S.
2 / 2 shared
Alkas Yonan, S.
1 / 3 shared
Frenzen, V.
1 / 1 shared
Koch, J.
1 / 5 shared
Opel, S.
2 / 2 shared
Fassmann, D. P. F.
1 / 1 shared
Isik, K.
1 / 10 shared
Cwiekala, T.
2 / 2 shared
Witulski, J.
2 / 6 shared
Trompeter, M.
5 / 18 shared
Albuja, B.
1 / 1 shared
Weddeling, C.
1 / 20 shared
Barlage, B.
1 / 1 shared
Bach, F.-W.
5 / 19 shared
Gershteyn, G.
3 / 4 shared
Ruhstorfer, M.
1 / 4 shared
Munzinger, C.
1 / 2 shared
Selvaggio, A.
1 / 11 shared
Schneider, M.
1 / 61 shared
Elser, J.
1 / 2 shared
Michael, M.
1 / 2 shared
Köhler, G.
1 / 1 shared
Becker, D.
1 / 7 shared
Ruch, D.
1 / 9 shared
Gerbracht, T.
1 / 1 shared
Ochs, A.
1 / 1 shared
Huber, S.
1 / 10 shared
Lanza, G.
1 / 4 shared
Zäh, S. M. F.
1 / 1 shared
Dau, J.
1 / 1 shared
Beerwald, C.
3 / 6 shared
Krebs, B.
1 / 2 shared
Vogli, E.
1 / 1 shared
Tillmann, W.
1 / 18 shared
Erman Tekkaya, A.
1 / 20 shared
Shankar, R.
1 / 3 shared
Barreiro, P.
2 / 4 shared
Schulze, V.
2 / 48 shared
Marré, M.
3 / 8 shared
Biermann, D.
1 / 12 shared
Rautenberg, J.
2 / 4 shared
Hammers, T.
2 / 3 shared
Hermes, M.
2 / 19 shared
Guner, A.
1 / 1 shared
Brosius, Alexander
1 / 48 shared
Tekkaya, A. Erman
1 / 34 shared
Lechler, J.
1 / 1 shared
Karbasian, H.
1 / 3 shared
Barthel, C.
1 / 1 shared
Svendsen, B.
1 / 22 shared
Risch, D.
3 / 8 shared
Höhling, O.
1 / 1 shared
Löhe, D.
1 / 15 shared
Marré, Michael
1 / 5 shared
Gersteyn, G.
1 / 2 shared
Dudzinski, W.
1 / 1 shared
Kleiner, M.
3 / 24 shared
Olivier, H.
1 / 1 shared
Weber, M.
1 / 42 shared
Chart of publication period
2024
2022
2021
2019
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2004

Co-Authors (by relevance)

  • Reschke, G.
  • Kupfer, R.
  • Köhler, D.
  • Troschitz, J.
  • Gude, Mike
  • Kupfer, Robert
  • Troschitz, Juliane
  • Sadeghian, B.
  • Merklein, M.
  • Homberg, W.
  • Tulke, Marc
  • Wolf, Alexander
  • Guilleaume, Christina
  • Tekkaya, Ae
  • Grydin, O.
  • Zou, Y.
  • Nürnberger, Florian
  • Schaper, M.
  • Bruschi, S.
  • Banabic, D.
  • Ghiotti, A.
  • Cao, J.
  • Bariani, P. F.
  • Altan, T.
  • Khraisheh, M.
  • Gerstein, G.
  • Suttner, S.
  • Biasutti, M.
  • Zillmann, B.
  • Wagner, M. F.-X.
  • Halle, T.
  • Yin, Q.
  • Foydl, A.
  • Tomesani, L.
  • Donati, L.
  • Ben Khalifa, N.
  • Segatori, A.
  • Demir, O.-K.
  • Kwiatkowski, L.
  • Tekkaya, A. E.
  • Wawrosch, A.
  • Franzen, V.
  • Sebastiani, G.
  • Güner, A.
  • Soyarslan, C.
  • Taebi, F.
  • Stiemer, M.
  • Demir, O. K.
  • Psyk, V.
  • Blum, H.
  • Kloppenborg, T.
  • Schwane, M.
  • Reeb, A.
  • Weidenmann, K. A.
  • Khalifa, N. B.
  • Kiliclar, Y.
  • Vladimirov, N.
  • Reese, S.
  • Ohl, A.
  • Poser, K.
  • Mori, K.
  • Allwood, J. M.
  • Hagenah, H.
  • Behrens, B.-A.
  • Kuzman, K.
  • Weckenmann, A.
  • Güner, Alper
  • Kracker, H.
  • Gösling, M.
  • Kuhnt, S.
  • Haupt, P.
  • Yonan, S. A.
  • Plugge, B.
  • Schunck, S.
  • Alkas Yonan, S.
  • Frenzen, V.
  • Koch, J.
  • Opel, S.
  • Fassmann, D. P. F.
  • Isik, K.
  • Cwiekala, T.
  • Witulski, J.
  • Trompeter, M.
  • Albuja, B.
  • Weddeling, C.
  • Barlage, B.
  • Bach, F.-W.
  • Gershteyn, G.
  • Ruhstorfer, M.
  • Munzinger, C.
  • Selvaggio, A.
  • Schneider, M.
  • Elser, J.
  • Michael, M.
  • Köhler, G.
  • Becker, D.
  • Ruch, D.
  • Gerbracht, T.
  • Ochs, A.
  • Huber, S.
  • Lanza, G.
  • Zäh, S. M. F.
  • Dau, J.
  • Beerwald, C.
  • Krebs, B.
  • Vogli, E.
  • Tillmann, W.
  • Erman Tekkaya, A.
  • Shankar, R.
  • Barreiro, P.
  • Schulze, V.
  • Marré, M.
  • Biermann, D.
  • Rautenberg, J.
  • Hammers, T.
  • Hermes, M.
  • Guner, A.
  • Brosius, Alexander
  • Tekkaya, A. Erman
  • Lechler, J.
  • Karbasian, H.
  • Barthel, C.
  • Svendsen, B.
  • Risch, D.
  • Höhling, O.
  • Löhe, D.
  • Marré, Michael
  • Gersteyn, G.
  • Dudzinski, W.
  • Kleiner, M.
  • Olivier, H.
  • Weber, M.
OrganizationsLocationPeople

article

Characterisation of lateral offsets in clinch points with computed tomography and transient dynamic analysis

  • Kupfer, Robert
  • Brosius, A.
  • Köhler, D.
  • Troschitz, Juliane
  • Sadeghian, B.
  • Gude, Mike
Abstract

Clinching is a very cost-efficient method for joining two or more sheets made of identical or different materials. However, the current evaluation methods cannot confirm the critical geometrical features of joints such as neck thickness, undercut, and bottom thickness. Furthermore, the effects caused by joining process such as elastic deformation and crack-closure are significant for the joining quality, but often earn insufficient attention. Therefore, computed tomography (CT) and Transient Dynamic Analysis (TDA) as an ultrasonic testing and evaluation procedure are combined to overcome the obstacles mentioned above. In order to have a well-defined and reproducible typical geometrical error in clinching, specimens with a pre-specified lateral offset of the punch with 0.1 mm, 0.2 mm are as well as with no lateral offset are investigated using CT. The specimens are treated with conductive copper varnish in varying intensities to support the two sheets' distinguishability in the CT measurement. The subsequently extracted surfaces from CT-scan data are used to create three-dimensional models for a numerical Transient Dynamic Analysis. Hereby, a harmonic force is applied to one sheet and the transferred energy is determined at the opposite side of the clinch point on the other sheet. The transmitted energy can be used as a quantitative measure for the joining quality. This setup is simulated by means of Finite-Element-Method and the specimens are investigated experimentally using a piezo actuator and a piezo sensor. The novelty of the results presented here is the completely non-destructive investigation of joint specimen by CT of similar materials with a contrast given foil in between the sheets and the subsequent TDA, which can easily detect difference between the specimens by evaluation of the energy dissipation of the joints.

Topics
  • impedance spectroscopy
  • surface
  • tomography
  • crack
  • copper
  • ultrasonic
  • joining