Learn more. Immediate online access to all issues from 2019. This work was carried out within the framework of the EC Network of Excellence “Multi-Material Micro Manufacture: Technologies and Applications” (4M). Wear 28:251–258, Azushima A (2004) In situ 3D measurement of lubrication behavior at interface between tool and workpiece by direct fluorescence observation technique. Verlag Stahleisen, Düsseldorf. CRC Press, New York, Adamson AW, Gast AP (1997) Physical chemistry of surfaces. © 2020 Springer Nature Switzerland AG. Work is also underway to include the capability of predicting surface quality withm the process model. In: Proc. 4, 107–114 (2010). •Hot working or cold working •Work material •Chemical reactivity with … Plastic deformation: Stresses beyond yield strength of the workpiece material is required. Weidel, S., Engel, U., Merklein, M. et al. of 8th ICTP, pp 597–598, Azushima A (2005) In lubro 3D measurement of oil film thickness at the interface between tool and workpiece in sheet drawing using a fluorescence microscope. J Lubr Technol 104:53–59, Kudo H, Tsubouchi M, Takada H, Okamura K (1982) An investigation into plasto-hydrodynamic lubrication with a cold sheet drawing test. Chair of Manufacturing Technology, University of Erlangen-Nuremberg, Erlangen, Germany, S. Weidel, U. Engel, M. Merklein & M. Geiger, You can also search for this author in Wear 43:89–98, Sutcliffe MPF (2007) Effect of roughness in cold metal rolling. Metal forming is the main method of making metal products and semi-finished products. This is a preview of subscription content, log in to check access. Wear 199:260–267, Harrison JA, Brenner DW (1995) Atomic-scale simulation of tribological and related phenomena. In: Kudo H (ed) Advanced technology of plasticity, I. The full text of this article hosted at iucr.org is unavailable due to technical difficulties. Please check your email for instructions on resetting your password. Wear 224:73–88, Steffensen H, Wanheim T (1977) Asperities on asperities. These effects must be accounted for in the process layout. Boundary and mixed lubrication conditions are predominant in metal forming processes. Apart from the differentiation according to DIN 8582, in practical applications one normally divides the area of forming technology into sheet metal forming and extrusion forming. Wear 28:171–185, Wanheim T, Bay N, Petersen AS (1974) A theoretically determined model for friction in metal working processes. Applying a transparent tool technique the lubrication in plane strip drawing of aluminium sheet is studied providing the strip with surface pockets for entrapment of lubricant. Yokohama, 2007, pp 103–108, Mulki H, Mizuno T (1996) Contact mechanics of zinc-coated steel sheets under plastic deformation. J Mater Process Technol 34:233–240, Pfestorf M, Engel U (1996) Einformung der Oberflächenstruktur in umformtechnischen Prozessen. depending on the type of process. 3rd int. Boundary and mixed lubrication conditions are predominant in metal forming processes. Wear 258:1567–1576, Ike H (1999) An AFM analysis of surface textures of metal sheets caused by sliding with bulk plastic deformation. Res. Various liquid lubricants have been used. The findings have been transferred to real topographies by micro upsetting tests with ground surfaces. The tools used for such deformation are called die, punch etc. If you do not receive an email within 10 minutes, your email address may not be registered, Apart from the differentiation according to DIN 8582, in practical applications one normally divides the area of forming technology into sheet metal forming and extrusion forming. Devel. 6 Concluding Remarks. To assess the suitability of lubricants in the case of wet drawing of fine and finest wire, besides the wear phenomenon on the drawing dies and the quality of the wire surface, the frequency of wire cracks is applied. Prod. Learn more about Institutional subscriptions, Kudo H, Azushima A (1984) Interaction of surface microstructure and lubricant in metal forming tribology. Metal-forming processes have been around for thousands of years. Hence the appearing real contact area which is mainly influenced by the topography of tool and workpiece has a major impact on friction conditions. The Japan Society for Technology of Plasticity and The Japan Society of Precision Engineering, Tokyo, Japan, pp 373–384, Azushima A (2006) In situ 3D measurement of lubrication behavior at interface between tool and workpiece by direct fluorescence observation technique. Annal CIRP 31(1):175–180, Azushima A, Tsubouchi M, Kudo H (1990) Direct obersavtion of lubricant behaviours under micro-PHL at the interface between workpiece and die. It is especially necessary to accurately estimate the degree of difficulty of the forming process in order to be thus able to select the correct lubricant. More than 90% of smelt-ed metal is processed by different methods of metal forming. Production Engineering In: Proc. Subscription will auto renew annually. https://doi.org/10.1007/s11740-009-0198-5. Wear 260:265–273, Le HR, Sutcliffe MPF, Wang P, Burstein GT (2005) Surface generation and boundary lubrication in bulk forming of aluminum alloy. Use the link below to share a full-text version of this article with your friends and colleagues. The compression and eventual escape of trapped lubricant by Micro Plasto Part of Springer Nature. These processes often have high pressures between acting surfaces and in many applications high temperatures as well. In: Bariani P (ed) Proc. Google Scholar, Childs THC (1973) The persistance of asperities in indentation experiments. To properly understand the friction and wear in forming, it is essential to become familiar with some of the basic terms used. Basic investigations on boundary lubrication in metal forming processes by in situ observation of the real contact area. In: Bushan B (ed) Handbook of micro/nanotribology. and you may need to create a new Wiley Online Library account. technol. Eng. Wire 43:381–386, Sobis T, Engel U, Geiger M (1992) A theoretical study of wear simulation in metal forming processes. Tribol Int 38:105–112, Geiger M, Engel U, Vollertsen F (1992) In situ ultrasonic measurement of the real contact area on bulk metal forming. 2nd ICTMP, pp 377–384, Azushima A, Kuba S (2005) Direct observation of asperity deformation of specimen with a smooth surface in indentation process. That is the ability to change without damage the Topography analysis and finite element simulations have been performed in order to get more insight into the mechanisms leading to this effect. of ICTMP 2007. Today's varieties in the metal-forming industries include complex processes such as sheet metal-stamping, wire-drawing, hydroforming, rolling and hot- or cold-forming. F. Vollertsen, in Encyclopedia of Materials: Science and Technology, 2001. Lubrication in Metal Forming •Metalworking lubricants are applied to tool-work interface in many forming operations to reduce harmful effects of friction ... •Type of forming process (rolling, forging, sheet metal drawing, etc.) Wear 25:3–16, Chivers TC, Mitchell LA, Rowe MD (1974) The variation of real contact area between surfaces with contact pressure and material hardness. Enter your email address below and we will send you your username, If the address matches an existing account you will receive an email with instructions to retrieve your username, By continuing to browse this site, you agree to its use of cookies as described in our, I have read and accept the Wiley Online Library Terms and Conditions of Use, https://doi.org/10.1002/9783527645565.ch15. In metal forming processes tribology plays a significant role for process feasibility and tool lifetime. It has been revealed that the usage of certain lubricants leads to higher resistance of the asperity against flattening which would be in favor of reduced friction. Dr.‐Ing., Fuchs Petrolub SE Group's Executive Board, Technology, Group Purchasing, Human Resources (retired), Weinheim, Germany, Fuchs Petroclub, Mannheim, Germany, Treppenweg 4, Ludwigshafen, 67063 Germany, Fuchs Petroclub, Mannheim, Germany, Holzweg 30, Weinheim, 69469 Germany. In the metal forming of microparts, i.e., parts with at least two dimensions below 1 mm, size effects of first and second order occur. plasticity, Kyoto, 1, pp 551–556, Bech J, Bay N, Eriksen M (1999) Entrapment and escape of liquid lubricant in metal forming. Wear 260:243–248, Article Unlimited viewing of the article/chapter PDF and any associated supplements and figures. PubMed Google Scholar. In metal forming processes tribology plays a significant role for process feasibility and tool lifetime. volume 4, pages107–114(2010)Cite this article. The project is funded by the German Research Foundation (Deutsche Forschungsgemeinschaft DFG). - 128.127.67.205. Plastic properties of metals are used during the process of metal forming. Tax calculation will be finalised during checkout. Thus, an important component in current research on the lubrication of metal forming processes is the development of the lubrication and friction subroutines for process models. Correspondence to Working off-campus? Wiley, New York, Siebel E (1932) Die Formgebung im bildsamen Zustand. S. Weidel. In: Zum Gahr K-H (ed) Reibung und Verschleiß. https://doi.org/10.1007/s11740-009-0198-5, DOI: https://doi.org/10.1007/s11740-009-0198-5, Over 10 million scientific documents at your fingertips, Not logged in
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