17/18 January 2007 Wiener Neustadt - Czelo

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market economy. The Technical University of Sofia warmly welcomes the youth of Bulgaria aspiring to devote their lives and work to contemporary technology. 1. Profile: RTD: Nanostructured Matrix in Austempered Ductile Irons and Steels DESCRIPTION:TECHNOLOGY OFFER TECHNICAL DESCRIPTION OFFER •Background: Austempered Ductile Irons (ADI) have been very promising materials for many kinds of applications. Quality of castings and permanent control of austempering process are the key factor in manufacturing of ADI-products. The quality of castings subjected to austempering is well established by American and European specialists. But important problems are still opened in austempering technology. The safety reason and the production costs have become more important in high series productions. That is why we start to study the thermal cycle parameters of austempering treatment by experimental simulating in order to get variable microstructures including matrix nanostructure and test mechanichal properties. After ten years research we have enormous data about ADI and start to integrate mathematical modelling and experimental simulating. The aim is to predict structure-properties relationships for ADI materials and components behaviour in practice. Description of product / process: Austempered Ductile Irons have recently been developed as a new engineering materials. ADI are grades of irons with stabilised austenite matrix with embedded bainitic ferrite needles and graphite nodules. The ADI could be considered as natural composite materials with excellent yield strength / elongation combinations, excellent fatigue strength, good machining properties, reduced noise, low production cost. The matrix microstructure of ADI is responsible for excellent combinations of mechanical properties. Nano-scale microstructure of ADI matrix is a challenge for scientists and engineers. What does the product or process do? ADI offer excellent combinations of mechanical properties as high strength and ductility, very good impact strength and fatigue, better wear resistant at lower hardness due to graphite presence. ADI replace steel castings, weldments and forgings, aluminium components. The growth of ADI is as much an economic as a technical event & converting a medium volume steel component to ADI is approximately 20%. The savings rises to 30% when replacing Aluminium with ADI. The high strength-to-weight ratio makes ADI material attractive alternative. How does the product or process work? ADI are produced by subjecting of ductile irons to an austempering treatmen austenitization in the range of 850- 950°C for 60-120 min., fast cooling to avoid pearlite tramsformation up to austempering temperature region 250- 420°C for austenite- bainite transformation and air cooling to room temperature. Under what conditions does the product or process work? The austempering treatment is carried out in salt baths. The environmentally-friendly production of Austempered components is available in a modern, atmosphere-to-salt heat treating system ( USA-Wisconcin) What are the applications of the product or process? At Europe- UK-West Bomwich-The largest austempering furnace in Europe. Austempering work comes from mainland Europe as well as the UK; demand is growing at around 30% year on year. Research in ADI-The University of Cambridge-camshafts and modelling the mechanical properties of ADI. Nort America for 5 million tons by 2005 : 26%- Heavy vehicle; 25% - Light Vehicle; 16% Railroad Equipment; 14%-Agriculture; 11%-General Manufacture; 8% -Constr./Mining ADI applications continue to emerge: metal-on-metal railroad suspension parts, digger teets, crusher and grinder applications; fertilizer knives; In army-pump components, rollers, heavy duty suspension arms, truck suspension components; In automotive industry-Tow hooks for light trucks; ADI upper control arms in the Ford Mustang Cobra; ADI Hypoid Ring Gear and Pinion set; ADI disel engine Timing Gears; ADI Tractor Axle Gear Carrier HUB; In agriculture- brake backing plates, tractor suspension components and power transmission components. Agricultural application of CADI are starting to grow rapidly- CADI Plow PoAnouder intriguing application for ADI are very large in sectioncastings-one meter in diameterint. Carbidic Austempered Irons (CADI) are ductile irons containing carbides that are subsequently austempered to produce an ausferritic matrix with an engineered amount of carbides.
• REQUEST - Technologies to solve particular technical problems. Describe the technical problem to be solved: The basic technical problem is that classical salt baths are not used in heat treatment today because of harmfull effects. For austempering of samples we used Smitweld technique, which has programmable block and gives opportunity to use various values of parameters for thermal cycles. If the process of austempering is modelled we can produce desirable micro- or nanostructures. Innovative Technologies Sought. Give details of application and industrial sectors / markets: • Facilities for Austempering (atmosphere-to-salt heat treating system) • Facilities with high resolution to analyze micro- and nanostructures • Applications in Europe are possible in Agriculture,Automotive industry INNOVATIVE ASPECTS Inovative aspects for production of Austempered Ductile Irons are: use of new casting methods-cost effective; Controling the phase transformation kinetics during austempering and get desired structures, structure and dimension stability of austempered components. MAIN ADVANTAGES / BENEFITS What are the advantages of the technology in comparison to products / processes that are already on the market? The Austempering is an isothermal process and it offers advantages versus Quench and Tempering. Since the formation of ausferrite occurs over minutes or hours at a single temperature, distortion is minimized and cracking does not occur. Austempered Ductile irons provide: lower cost, redused sound in work,better strength-to-weight ratio, better machinability, replace steel forgings, castings and welds and aluminium in some cases. What are the advantages for the partner? The partner could receive high quality castings from ductile irons and austempering technology for desired component or to join R&D project with our team for fast final results from practical applications as a result of our investigations. CURRENT STAGE OF DEVELOPMENT Development Phase: Finalised Phases: Established methods for kinetics control (TTT & CCT diagrams can be design for each chemical content of ductile iron.); Mechanical properties are tested for austempered samples and plant sertificat was created; The effect of austenitization has been investigated on degree of incompleteness of bainite reaction. On the marke INTELLECTUAL PROPERTY RIGHTS (IPR): MARKET APPLICATIONS: Potential market sectors are : Transport(Automotive industry, railroad components), Agriculture, Constructions(heavy castings , large sections) TYPE OF COLLABORATION SOUGH R&D Transnational Project , Joint Research Project, Manufactoring Agreement PARTNER PROFILE: Type of partner sought, specific area of activity/size of partner, tasks to be performed etc.
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• Electronics, Microelectronics
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Organisation Index Institute of Phy
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Organisation Index TECHNICAL UNIVER
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Organisation Index Faculty of Mater
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1. Profile: RTD: High sensitive wea
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New applications or new products re
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AMAG rolling GmbH Address Postfach
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Attophotonics Biosciences GmbH Addr
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austriamicrosystems Address Tobelba
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Austrian Researc Centers GmbH - ARC
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Austrian Research Centers GmbH - AR
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D. Swarovski & Co. Address Swarovsk
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FFG - EIP - Austrian EUREKA Office
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FFG Austrian Research Promotion Age
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FFG Austrian Research Promotion Age
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Happy Plating GmbH Address Leobersd
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Institute of Materials Science and
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Page 42 and 43: Joanneum Research GmbH Address Stey
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Page 54 and 55: Montanuniversität - Nanonet Styria
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Page 58 and 59: 1. Profile: Expertise: Nanoimprint
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Page 64 and 65: 1. Profile: Reques Electrochemical
Page 66 and 67: Sony DADC Austria AG Address Sonyst
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National R&D Institute for Microtec
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MARKET APPLICATIONS: - Realisation
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Production of individual structural
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Faculty of Materials Science and Te
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preparation INTELLECTUAL PROPERTY R
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Nanoporous layers with 30-100nm cha
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INKA - Institut für nanotechnische
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INNOVATIVE ASPECTS: MAIN ADVANTADGE
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2. Profile: Expertise: Plastic Elec
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17/18 January 2007 Wiener Neustadt - Czelo

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