NEW MATERIALS PROCESSES EXPERIENCES FOR TOOLING

Transcription

1 NEW MATERIALS PROCESSES EXPERIENCES FOR TOOLING u.* 1 Proceedings of the International European Conference on Tooling Materials, September 7-9, 1992 The conference was sponsored by Bohler Edelstahl GmbH, Thyssen Edelstahlwerke AG, Uddeholm Research Foundation

2 CONTENT I. MATERIALS PAGE 1. H. Grewe, W. Schlump New developments in the field of Me-MeC-alloys with nanocrystalline structure H. Berns Development of new stainless steels for tools K.E. Pinnow, W. Stasko, J.J. Hauser, R.B. Dixon Properties of advanced high vanadium wear/corrosion resistant PM tool steels R. Jervis, B. Johnson, L.-A. Norstrom, O. Sandberg Properties profile of a new presswork tool steel F. Asuke, Y. Nakazawa The application of ceramics to shearing tools I. Rasheva, T. Rashev Influence of the nitrogen on the formation of the structure of tool steels C.A. Barbosa, C.E. Pinedo Development of a warm work tool steel H.P. Nichols Standardizing H-13 die cast heat treatment L Jonson, L-A. Norstrom, O. Sandberg A new precipitation-hardening steel for aluminium extrusion dies J.R.T. Branco, G. Krauss Toughness of H11 /H13 hot work die steels 1 21 II. W. Fricke, D. Naundorf Experiences with precipitation hardenable FeNi and Ni-alloys for hot-working tools 135

3 11. PROCESSES PAGE 12. H. Berns, C. Broekmann, A. Fischer, D. Weichert Fracture toughness of ledeburitic chromium steels W. Konig, M. Konig, P. Kirner Advanced technologies for machining and surface treatment of dies and moulds W. Kortmann Extrusion tooling failures, causes and prevention W. Graf, J. Potschke Processing of P/M-tool steels by metal injection moulding H. Haferkamp, D. Seebaum, M. Marquering Developments in laser processing of tooling materials _ H.AItena New vacuum furnace technology with high pressure hydrogen quenching for tools and dies F. Reinke, F. Wendl ELOWIG, a new surface hardening process L Kallien, J.C. Sturm Simulation aided design of die casting tools H. Haferkamp, F.-W. Bach, K. Peters Improved tool life of forging dies by modifying hot work tool steels R. Ebner, B. Kriszt Laser alloyed high speed steels E. Damond, P. Jacquot, E. Denisse, G. Dervieux TiN coatings deposited at high temperature (750 C C) using the cathodic arc evaporation technique 307

4 III. EXPERIENCES PAGE 23. R. Jauch, R. Krumpholz, D. Prem High-speed steels and other high-alloy tool steels from curved-mold continuous-cast strands of Saarstahl AG K. Leban, M. Gstettner, K. Hulka, H. Schweiger Characteristic features of a new high performance tool material with Al- and Nb-additions E. Haberling, K. Rasche Plasma nitriding of tool steels I. Schruff, F. Wendl, K.-D. Wupper Wear- and corrosion behaviour of some plastic mould steels S. Gunnarsson Machinability of tool steel D.A. Keller, R. Hauert, J. Reissner Ceramic coated tools: a contribution for our environment A. Bennani, A. Vandelli, D. Franchi, L Masiero, M. Gandiglio Tool steels; discussion about heat treatment, aspects and results with different processes: vacuum technology, salt bath, fluidised bed M. Sundqvist, S. Hogmark The mechanisms of erosive wear of die casting dies for aluminium R. Seidel, H. Luig Friction and wear processes in hot die forging C. Ernst, K. Rasche Nitrogen alloyed tool steels S. Wilmes, I. Jung Properties of different steel grades for heavy metal extrusion tools 499

5 PAGE 34. T. Atterbury Vacuum heat treatment of tools and dies A. Kulmburg, F. Korntheuer, E. Kaiser, H.P. Fauland The processes during tempering of tool steels H. Makovec, G. Hackl, B. Hribernik Steels produced by powder-metallurgy methods for the cold forming technology P. Hellmann, D. Franchi, G. Paniale Fine blanking tool materials: metallurgical aspects and productivity comparison between tool steels and P/M HSS hardened in vacuum P. Lavalle, R. Mandelli, E. Lanzoni PVD coatings on forming tools: enhancement of tool life and quality improvement H.SchuIz New PVD-coatings for forming tools M.Foller Manufacture and application of PVD hard material layers 577