Browsing by Subject "Microstructure"

Now showing items 21-28 of 28

    • Conference Object  

      Rheological effects of strusture breakdown in semisolid slurries 

      Alexandrou, Andreas N.; Florides, G. C.; Georgiou, Georgios C.; Apelian, D. (2004)
      An essential element for the integration of the semisolid metal (SSM) process in the production of complex commercial components is the availability of accurate mathematical and computational tools that could describe both ...
    • Conference Object  

      Rheological effects of strusture breakdown in semisolid slurries 

      Alexandrou, Andreas N.; Florides, G. C.; Georgiou, G. C.; Apelian, D. (Affiliation: Department of Mechanical and Industrial Engineering, University Cyprus, P.O.Box 20537, 1678 Nicosia, CyprusAffiliation: Department of Mathematics and Statistics, University of Cyprus, P.O.Box 20537, 1678 Nicosia, CyprusAffiliation: Metal Processing Institute, WPI, Worcester, MA, United StatesCorrespondence Address: Alexandrou, A.N.Department of Mechanical and Industrial Engineering, University Cyprus, P.O.Box 20537, 1678 Nicosia, Cyprus, 2004)
      An essential element for the integration of the semisolid metal (SSM) process in the production of complex commercial components is the availability of accurate mathematical and computational tools that could describe both ...
    • Conference Object  

      Rheology of semisolid suspensions 

      Alexandrou, Andreas N.; Burgos, G. R.; Entov, V. M. (Affiliation: Semisolid Processing Laboratory, Metal Processing Institute, WPI, Worcester, MA 01609, United StatesAffiliation: Polytech. University of Puerto Rico, Mechanical Engineering Department, San Juan 00918, Puerto RicoAffiliation: Institute for Problems in Mechanics, Russian Academy of Science, pr. Vemadskogo, 101, 117526 Moscow, Russian FederationCorrespondence Address: Alexandrou, A.N.Semisolid Processing Laboratory, Metal Processing Institute, WPI, Worcester, MA 01609, United States, 2000)
      The effective use of the semisolid process presumes a good theoretical framework to describe it. The understanding of semisolid behavior should be based upon a combination of basic and empirical knowledge in versatile ...
    • Article  

      Structure, mechanical and tribological properties of nitrogen-containing chromium coatings prepared by reactive magnetron sputtering 

      Rebholz, Claus; Ziegele, H.; Leyland, A.; Matthews, A. (1999)
      Cr(1-x)N(x) coatings were deposited by magnetron sputtering at a substrate temperature of 200°C onto AISI 316 stainless-steel substrates immersed in an Ar/N2 plasma. The goal of this investigation was to study the influence ...
    • Doctoral Thesis  Open Access

      Synthesis of reactive structures by ball milling and ultrasonic consolidation 

      Hadjiafxenti, Anastasia G. (Πανεπιστήμιο Κύπρου, Πολυτεχνική Σχολή / University of Cyprus, Faculty of Engineering, 2013-01)
      Πηγές ενέργειας στη νανο- και στη μικο- κλίμακα έχουν ελκύσει το ενδιαφέρον ως πιθανά ικανά εργαλεία στη νανοκατασκευστική και μικροκατασκευαστική. Υπερλεπτά πολύστρωματικά υμένια (ΠΥ) χρησιμοποιούνται σαν νανοθερμικές ...
    • Article  

      Ultrafast pulsed laser deposition of carbon nanostructures: Structural and optical characterization 

      Pervolaraki, Maria; Komninou, P.; Kioseoglou, J.; Othonos, Andreas S.; Giapintzakis, Ioannis (2013)
      Carbon nanostructured materials were obtained by high-repetition rate pulsed laser ablation of a graphite target using a train of 10-ps duration pulses at 1064 nm in different pressures of high-purity Ar gas. It is ...
    • Article  

      Ultrafast pulsed laser deposition of carbon nanostructures: Structural and optical characterization 

      Pervolaraki, M.; Komninou, P.; Kioseoglou, J.; Othonos, A.; Giapintzakis, John (2013)
      Carbon nanostructured materials were obtained by high-repetition rate pulsed laser ablation of a graphite target using a train of 10-ps duration pulses at 1064 nm in different pressures of high-purity Ar gas. It is ...
    • Article  

      Yield behavior of commercial Al-Si alloys in the semisolid state 

      Pan, Q. Y.; Apelian, D.; Alexandrou, Andreas N. (2004)
      Systematic experimental work and modeling efforts have been conducted to characterize the yield behavior of commercial aluminum alloys in the semisolid state. In this study, extensive compression experiments were performed ...