Chapter

Progress in Corrosion Science and Engineering I

Volume 46 of the series Modern Aspects of Electrochemistry pp 175-230

Date:

Electrochemical, Microscopic and Surface Analytical Studies of Amorphous and Nanocrystalline Alloys

  • Maria Janik-CzachorAffiliated withInstitute of Physical Chemistry Polish Academy of Sciences
  • , Marcin PisarekAffiliated withInstitute of Physical Chemistry Polish Academy of SciencesFaculty of Materials Science and Engineering, Warsaw University of Technology

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Abstract

To meet the extreme demands of modern technology, functionalized materials of enhanced specific properties are required. Moreover, high resolution methods of characterizing new materials are needed in identifying the factors responsible for such materials unique properties.

This chapter falls under the general heading Chemistry for Materials Science, and is aimed at discussing new results, ideas and technologies in the field of the chemical properties of novel materials including (but not limited to) amorphous and nanocrystalline alloys obtained by rapid quenching, sputter deposition, mechanical alloying, heavy deformation, electrodeposition and other physical and mechanical methods.

Nonequilibrium processing techniques provide the potential for producing compositionally and structurally graded materials with optimized properties. And so it is important to discuss means and measures of lowering the reactivity of metastable alloys to reduce (or possibly eliminate) detrimental processes of deterioration such as corrosion/dissolution, or of enhancing their chemical reactivity, durability, and selectivity for catalytic/electrocatalytic processes. It has been recognized that, due to the almost unlimited compositional flexibility of metastable alloys, their properties can be optimized for the requirements of a given application.