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Sökning: L773:9780981949611

  • Resultat 1-2 av 2
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1.
  • Hatami, Sepehr, 1981, et al. (författare)
  • Optimised selection of processing routes for sintered parts manufacture: A component-oriented approach
  • 2009
  • Ingår i: Advances in Powder Metallurgy and Particulate Materials - 2009, Proceedings of the 2009 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2009. - Princeton, N.J. : Metal Powder Industries Federation. - 9780981949611 ; , s. 139-1323
  • Konferensbidrag (refereegranskat)abstract
    • To stay competitive, PM manufacturers have to be able to accept a wide range of components with different features and properties. Thus, it is of utmost importance for manufacturers to adapt their common process routes to new requirements as rapidly and economical as possible. The procedure of identifying the right route among all the alternatives requires abundance of experience and knowledge and is a crucial and time-consuming decision; usually made by a team of engineers. In this study, by considering the mechanical properties and design specifications of the final component, a simple methodology is developed to aid the engineer(s) in selection of the optimum PM process route. In order to sort the possible routes according to cost, a cost estimating module has been devised. The total concept is applied to a case study and its accuracy has been evaluated.
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2.
  • Iyengar, Srinivasan N. (författare)
  • Dynamic studies on the sintering of compacted metal powders using an environmental scanning electron microscope
  • 2009
  • Ingår i: Advances in Powder Metallurgy and Particulate Materials - 2009 : Proceedings of the 2009 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2009 - Proceedings of the 2009 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2009. - 9780981949611 ; , s. 1-10
  • Konferensbidrag (refereegranskat)abstract
    • The sintering of pre-pressed powders of iron, copper and nickel has been studied in situ using an Environmental scanning electron microscope. The small samples were slowly heated to sintering temperatures in a reducing atmosphere. Continuous monitoring of the fracture surface of the sample revealed the initial formation of inter-particle bonds at relatively low temperatures for fine particles. The effect of particle size on sintering has been studied and the results indicate that finer particles (<10μm) could sinter at temperatures 100 to 200° lower than those for coarser particles (>50 to 100 μm). This type of information obtained in the laboratory could be useful in fine tuning process parameters for a given particle mix.
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  • Resultat 1-2 av 2
Typ av publikation
konferensbidrag (2)
Typ av innehåll
refereegranskat (2)
Författare/redaktör
Nyborg, Lars, 1958 (1)
Hatami, Sepehr, 1981 (1)
Stolt, Roland, 1970- (1)
Iyengar, Srinivasan ... (1)
Lärosäte
Jönköping University (1)
Lunds universitet (1)
Chalmers tekniska högskola (1)
Språk
Engelska (2)
Forskningsämne (UKÄ/SCB)
Teknik (2)
År
2009 (2)

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