Browsing by Subject "Powders"

Now showing items 1-10 of 10

    • Article  

      Exothermic reaction characteristics of continuously ball-milled Al/Ni powder compacts 

      Hadjiafxenti, A.; Gunduz, I. E.; Kyratsi, Theodora; Doumanidis, C. C.; Rebholz, Claus (2013)
      Self-propagating reactions in compacted pellets of continuously low-energy ball-milled aluminium (Al) and nickel (Ni) powders at a composition corresponding to AlNi3 were investigated. The formation of a bi-modal structure ...
    • Conference Object  

      Fabrication and characterization of nanoscale heating sources ("nanoheaters") for nanomanufacturing 

      Jogdand, H.; Gulsoy, G.; Ando, T.; Chen, J.; Doumanidis, C. C.; Zhiyong, G.; Rebholz, Claus; Wong, P. (Affiliation: Dept. of Mechanical Engineering, University of Massachusetts Lowell, Lowell, MA, United StatesAffiliation: Dept. of Mechanical and Industrial Engineering, Northeastern University, Boston, MA, United StatesAffiliation: Dept. of Mechanical and Manufacturing Engineering, University of Cyprus, Nicosia, CyprusAffiliation: Dept. of Chemical Engineering, University of Massachusetts Lowell, One University Ave., Lowell, MA 0185, United StatesAffiliation: Dept. of Mechanical Engineering, Tufts University, Medford, MA, United StatesCorrespondence Address: Jogdand, H.Dept. of Mechanical Engineering, University of Massachusetts Lowell, Lowell, MA, United States, 2008)
      Nanoheater systems based on the exothermic reaction between aluminum and nickel were developed. Multilayered and powder-based heterostructures were fabricated and characterized, before and after ignition experiments, for ...
    • Article  

      Fabrication, characterization and applications of novel nanoheater structures 

      Gu, Z.; Cui, Q.; Chen, J.; Buckley, J.; Ando, T.; Erdeniz, D.; Wong, P.; Hadjiafxenti, A.; Epaminonda, P.; Gunduz, I. E.; Rebholz, Claus; Doumanidis, C. C. (2013)
      Nanoheaters are reactive nanostructures that can generate localized heat through controlled ignition. Besides the widely used nanofoil structure with multiple alternative Al-Ni layers, various new nanostructures have been ...
    • Article  

      Few-layer graphene-like flakes derived by plasma treatment: A potential material for hydrogen adsorption and storage 

      Kostoglou, N.; Tarat, A.; Walters, I.; Ryzhkov, V.; Tampaxis, C.; Charalambopoulou, Georgia; Steriotis, T.; Mitterer, C.; Rebholz, Claus (2016)
      A novel, one-step, wet-free, environmental friendly and high-yield method for producing few-layer graphene powders with large surface areas (up to 800 m2/g) and narrow nanopore sizes (0.7-0.8 nm) using plasma-induced ...
    • Article  

      LaSrMnCoO6: A new cubic double perovskite oxide 

      Androulakis, J.; Katsarakis, N.; Giapintzakis, John; Vouroutzis, N.; Pavlidou, E.; Chrissafis, K.; Polychroniadis, E. K.; Perdikatsis, V. (2003)
      Single-phase polycrystalline powder samples of the double perovskite oxide LaSrMnCoO6 were synthesized by the Pechini (citrate-gel) technique. The structural, magnetic and electrical properties of the obtained powders were ...
    • Article  

      Regeneration of three-way automobile catalysts using biodegradable metal chelating agent-S, S-ethylenediamine disuccinic acid (S, S-EDDS) 

      Subramanian, B.; Christou, Stavroula Y.; Efstathiou, Angelos M.; Namboodiri, V.; Dionysiou, Dionysios Demetriou D. (2011)
      Regeneration of the activity of three-way catalytic converters (TWCs) was tested for the first time using a biodegradable metal chelating agent (S, S-ethylenediamine disuccinic acid (S, S-EDDS). The efficiency of this novel ...
    • Article  

      Spark ignitable ball milled powders of Al and Ni at NiAl composition 

      Hadjiafxenti, A.; Gunduz, I. E.; Doumanidis, C. C.; Rebholz, Claus (2014)
      Low-energy ball milling of aluminum and nickel particles with an overall composition corresponding to the NiAl intermetallic phase was performed up to milling durations of 13 h. The milled powders and cold-compacted pellets ...
    • Article  

      Spark ignitable Ni-Al ball-milled powders for bonding applications 

      Gunduz, I. E.; Kyriakou, A.; Vlachos, N.; Kyratsi, Theodora; Doumanidis, C. C.; Son, S.; Rebholz, Claus (2014)
      Ball milling of aluminum (Al) and nickel (Ni) particles at the NiAl composition can produce reactive powders with low spark ignition thresholds similar to magnetron sputtered multilayer foils (MFs). Such powders can replace ...
    • Article  

      Textured VN coatings with Ag3VO4 solid lubricant reservoirs 

      Luster, B.; Stone, D.; Singh, D. P.; Baben, M. to; Schneider, J. M.; Polychronopoulou, K.; Rebholz, Claus; Kohli, P.; Aouadi, S. M. (2011)
      Silver oxovanadate powders were produced using a low temperature hydrothermal synthesis method. X-ray diffraction (XRD) and Raman microscopy revealed the formation of the α-Ag3VO4 phase, and differential scanning calorimetry ...
    • Article  

      Thin liquid crystal film for corrosion sensing 

      Kossivas, F.; Kyprianou, Andreas (2008)
      The anchoring energy of Liquid Crystals (LCs) is influenced by several parameters. Many scientists have exploited LCs anchoring in order to develop several LC based optical sensors. This paper proposes and proves a new ...