Research Group Forming Technologies
Group leader

 

Rafael Hild, M.Sc. RWTH
R.Hild@wzl.rwth-aachen.de

PCL 3A 332
Tel.: +49 241 80-28213
Fax: +49 241 80-22293

Curriculum Vitae

  • 2015 - today: Groupleader of the Research Group Forming Technologies at the WZL
  • 2015: M. Sc. RWTH Mechanical Engineering, RWTH Aachen

Research Topics

  • Numerical modeling and process design
  • Bulk metal forming
  • Application of finite element method

Veröffentlichungen

2019

Hild, R., Klocke, F., Thomas B., Trauth, D., Mattfeld, P., Hoffmann, D. C., Kruppe, N. C., Brögelmann T., Bobzin, K.: Analysis of wear phenomena during forward extrusion under dry fricion conditions. In: Wear (2019)

Hild, R., Mannens, R., Klocke, F., Thomas B., Trauth, D., Mattfeld, P., Hoffmann, D. C., Kruppe, N. C., Brögelmann T., Bobzin, K.: Investigation of friction and adhesion behaviour of textured workpieces and coated tools under dry tribological contact. In: TMS 2019 148th Annual Meeting & Exhibiton Supplemental Proceedings (2019)




2018

Klocke, F., Shirobokov, A., Hild, R., Feuerhack, A., Trauth, D., Mattfeld, P.: Friction and wear analysis of deep rolled and vibrorolled specimens in lubricated contact. In: Proceedings of the 8th Internationalon Tribology in Manufacturing Processes (2018)

Klocke, F., Hild, R., Trauth, D., Bobzin, K., Brögelmann, T., Kruppe, N., Arghavani, M.: Influence of surface integrity on the plastic flow in analogous testing of 42CrMo4 In: Proceedings of the 5th International Conference on New Forming Technology (2018)

Hild, R.; Mattfeld, P.; Klocke, F.; Bergs, T.: Process limits during uniaxial hydroforming of cold extruded cup-shaped semifinished products. In: Neuere Entwicklungen in der Hydroumformung. Stuttgart (2018)

Klocke, F., Hild, R., Trauth, D., Bobzin, K., Brögelmann, T., Kruppe, N., Arghavani, M.: Einfluss von Oberflächenstrukturierungen auf die Stempelkraft beim Vollvorwärtsfließpressen von 16MnCr5 In: Dry Metal Forming Open Access Journal 4 (2018), S. 25-30




2017

Klocke, F., Hild, R., Trauth, D., Bobzin, K., Brögelmann, T., Kruppe, N., Arghavani, M.: Trockenumformung von 42CrS4 mittels Vollvorwärtsfließpressen durch strukturierte Halbzeugoberflächen und selbstschmierende Werkzeugbeschichtungen In: Dry Metal Forming Open Access Journal 3 (2017), S. 7-12

Hild, R., Feuerhack, A., Trauth, D., Arghavani, M., Kruppe, N., Brögelmann, T., Bobzin, K., Klocke, F.: Forward impact extrusion of surface textured steel blanks using coated tooling In: Proceedings of ESAFORM Conference, Dublin (2017)

2016

Bobzin, K., Brögelmann, T., Kruppe, N.C., Basturk, S., Klocke, F., Mattfeld, P., Trauth, D., Hild, R.: Synthesis, Characterization, and Tribological Evaluation of HPPMS (Cr1-xAlx)N+MoSy Coatings. In: Surface and Coatings Technology (2016, online first)

Bobzin, K., Brögelmann, T., Kruppe, N., Arghavani, M., Bastürk, S., Klocke, F., Mattfeld, P., Trauth, D., Hild, R.: HPPMS (Cr1-xAlx)N+WSy Coatings for the Application in Dry Cold Forging of Steel: Sythesis and Raman Characterization. In: In: Dry Metal Forming Open Access Journal 2 (2016), 2, pp. 72-77

Klocke, F., Hild, R., Trauth, D., Mattfeld, P., Bobzin, K., Brögelmann, T., Kruppe, N.: Recommendations for Dry Forming of 16MnCr5 and 42CrMo4 in Cold Forging. In: Dry Metal Forming Open Access Journal 2 (2016), 2, pp. 44-49

Trauth, D.; Bastürk, S.; Hild, R.; Mattfeld, P.; Brögelmann, T.; Bobzin, K.; Klocke, F.: Evaluation of the Shear Stresses on Surface Structured Workpieces in Dry Forming using a Novel Pin-On-Cylinder Tribometer with Axial Feed. In: International Journal of Material Forming (2016, accepted manuscript)

Trauth, D.; Hild, R.; Mattfeld, P.; Bastürk, S.; Brögelmann, T.; Bobzin, K.; Klocke, F.: Advances in dry metal forming of low alloyed steels for cold forging using a (Cr,Al)N tool coating and surface structures on workpieces. In: Proceedings of the 12th International Conference THe „A“ coatings in Manufacturing Engineering, Hannover, Germany, March 31st - April 1st (2016, accepted manuscript)

Bobzin, K.;Brögelmann, T.; Brugnara, R.H., Kruppe, N.C.; Bastürk, S.; Klocke, F., Mattfeld, P.; Hild, R.; Trauth, D.: Influence of the Chemical Composition on the Properties of HPPMS (Cr1-x,Alx)N/WSy Coatings for the Application in Dry Cold Forging Processes. In: Proceedings of the 12th International Conference THe „A“ coatings in Manufacturing Engineering, Hannover, Germany, March 31st - April 1st (2016, accepted manuscript)

Trauth, D.; Hild, R.; Mattfeld, P.; Klocke, F.: Advances in tribologically beneficial surface patterns manufactured by machine hammer peening. In: Proceedings of the 7th International Conference on Tribology in Manufacturing Processes, ICTMP 2016, Phuket, Thailand, Feb. 28th - March, 2nd (2016, accepted manuscript)

2015

Klocke, F.; Trauth, D.; Hild, R.; Mattfeld, P.; Bobzin, K.; Brögelmann, T.; Bastürk, S.: Numerical Analysis of the Tribological Mode of Action in Cold Forming of Sinus Waved Surfaces Structures. In: Dry Metal Forming Open Access Journal 1 (2015), 1, S. 137-142