Powders, Wires, Cords, and Rods

  • Pierre L. Fauchais
  • Joachim V. R. Heberlein
  • Maher I. Boulos


The structure and properties of coatings obtained by thermal or cold gas spraying depend strongly upon different parameters among which the quality of the powder, wire, rod or cord used plays a key role. Powder quality can affect coating performance through different effects. First are presented the different powder manufacturing techniques: atomization, fusing and crushing, milling and sintering, ball-, attrition-, cryo-milling, mechanical alloying and milling, spray-drying, spheroidization, cladding, sol-gel and solutions, self-propagating high-temperature synthesis, cermets. The influence of powder morphologies on coating properties is discussed through examples. Then are presented powder classification methods and characterization: sampling, XRD, elements distribution, composition and purity, particle shape, size distribution, flow ability and surface area. The different types of powder feeders and the hazards related to particles are finally presented. Wires, cored wires, rods and cords are also presented and the chapter finishes with problems linked to polymer powders according to their physical, chemical and mechanical properties widely different from those of metals, alloys ceramics and cermets


Thermal Spray Mechanical Alloy Ultra High Molecular Weight Polyethylene Cold Spray Spray Process 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



Automatic powder diffraction


Agglomerated and sintered


American Society for Testing and Materials


Coefficient of thermal expansion


Carbon nano tubes


Detonation gun


Direct current


Deoxyribo nucleic acid


Ethylene chlorotrifluoroethylene


Energy dispersion spectroscopy


Energy dispersion X-ray absorption


Ethylene-methacrylic copolymer


Electron micro probe analysis


Ethylene tetrafluoroethylene


Ethylene vinylene acetate


Fused and crushed


Fluorinated ethylene propylene


Gadolinia-doped ceria


Glass forming ability




Hollow spherical particles


High-velocity air fuel


High-velocity oxy-fuel flame


Inductively coupled plasma emission spectroscopy


Integrated mechanical and thermal activation


Joint Committee on Powder Diffraction Standards, USA


Liquid-crystalline polymers


Mechanical alloying


National Institute of Standards and Technology


Optical microscopy






Polyarylene sulfide


Polyether amide








Polyethylene terephthalate








Polyphenylene sulfide






Polyvinylidene fluoride


Radio frequency


Scanning electron microscope


Self-propagating high-temperature synthesis


Solid oxide fuel cell


Sedimentation ratio


Ultra high-molecular weight polyethylene


X-ray diffraction


X-ray fluorescence


Yttrium aluminums garnet


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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Pierre L. Fauchais
    • 1
  • Joachim V. R. Heberlein
    • 2
  • Maher I. Boulos
    • 3
  1. 1.Sciences des Procédés Céramiques et de Traitements de Surface (SPCTS)Université de LimogesLimogesFrance
  2. 2.Department of Mechanical EngineeringUniversity of MinnesotaMinneapolisUSA
  3. 3.Department of Chemical EngineeringUniversity of SherbrookeSherbrookeCanada

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