High voltage electron microscope irradiation and observations in metallic glasses |
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Authors: | R V Nandedkar A K Tyagi |
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Affiliation: | (1) Materials Science Laboratory, Reactor Research Centre, 603 102 Kalpakkam, India |
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Abstract: | High voltage electron microscope (hvem) has been extensively used to produce radiation damage and to study the characteristics of defects so produced in crystalline
solids. To understand the defect production in metallic glasses and to evaluate the influence of such defects on physical
properties like crystallisation temperature etc., high voltage microscopy and subsequentin situ heating and observation has been extremely useful technique. This paper gives a qualitative overview of such work performed
in metallic glasses. In particular results obtained on a nickel based metallic glass using ahvem and an electron accelerator are presented. The advantages and limitations ofhvem irradiation are highlighted. |
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Keywords: | Accelerator irradiation metallic glass defect characteristics high voltage electron microscopy crystallization temperature |
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