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A comparative assessment of austempered ductile iron as a substitute in weight reduction applications

Polishetty, Ashwin, Littlefair, Guy and Singamneni, Sarah 2009, A comparative assessment of austempered ductile iron as a substitute in weight reduction applications, in MSEC2008 : Proceedings of the ASME International Manufacturing Science and Engineering Conference. Volume 1., American Society of Mechanical Engineers, New York, pp. 49-58.

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Title A comparative assessment of austempered ductile iron as a substitute in weight reduction applications
Author(s) Polishetty, AshwinORCID iD for Polishetty, Ashwin orcid.org/0000-0002-8572-6024
Littlefair, Guy
Singamneni, Sarah
Conference name ASME International Manufacturing Science and Engineering. Conference (2008 : Evanston, Ill.)
Conference location Evanston, Ill.
Conference dates 7-10 Oct. 2008
Title of proceedings MSEC2008 : Proceedings of the ASME International Manufacturing Science and Engineering Conference. Volume 1.
Editor(s) [unknown]
Publication date 2009
Conference series American Society of Mechanical Engineers International Manufacturing Science and Engineering Conference
Start page 49
End page 58
Total pages 10
Publisher American Society of Mechanical Engineers
Place of publication New York
Keyword(s) materials properties
aluminum
automotive industry
cast iron
cost reduction
ductility
environmental regulations
high strength alloys
machining
metallic matrix composites
plastics industry
polymer matrix composites
strain hardening
Summary Manufacturing engineering has had to undergo drastic changes in the approach to material selection in order to meet new design challenges. In the automotive industry, researchers in their effort to reduce emissions and satisfy environmental regulations, have shifted their focus to new emerging materials such as high-strength aluminium alloys, metal matrix composites, plastics, polymers and of late, Austempered Ductile Iron (ADI). ADI is a good choice for design where the criterion is high performance at reduced weight and cost. The unique, ausferrite microstructure gives the material desirable material properties and an edge over other materials. A comparative study of ADI in terms of materials properties and machining characteristics with other materials is desirable to highlight the potential of the material. This paper focuses on a comparative assessment of material and machining characteristics of ADI for different applications. The properties under consideration are machinability, weight and cost savings and versatility. ADI has a higher strength-to-weight ratio than aluminium making it a ready alternative for material selection. In terms of machinability, there are some problems associated with machining of ADI due to its work hardening nature. This paper attempts to identify the possible potential applications of ADI, by critically reviewing specific applications such as machinability, overall economics and service.
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ISBN 9780791848517
Language eng
Field of Research 091004 Machining
Socio Economic Objective 861202 Machined Metal Products
HERDC Research category E1.1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2009, American Society of Mechanical Engineers
Persistent URL http://hdl.handle.net/10536/DRO/DU:30038888

Document type: Conference Paper
Collection: School of Engineering
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