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Evolution of morphology and texture during high energy ball milling of Ni and Ni-5 wt%Cu powders
B. Jaswanth, Linford D. Pinto, N. T.B.N. Koundinya, Anshul Jain, Mahadevan Sundararaman,
Published in Elsevier Inc.
2016
Volume: 120
   
Pages: 90 - 96
Abstract
In the present study, alloying of Ni with Cu was attempted using Ni and Cu elemental powders via high energy ball milling. The morphological and texture evolution during milling was studied. The {001} texture was observed in milled particles when they develop flaky morphology with large (L/D ~ 100) ratio and it changed to random texture when these flakes fragmented into tiny particles on further milling. These observations are rationalized by invoking the deformation mechanisms operating during milling. Extensive twinning was observed in the milled particles. The flaky nature of Ni is found to be stabilized with the addition of Cu with concomitant reduction in strain hardening compared to pure nickel. © 2016 Elsevier Inc.
About the journal
JournalData powered by TypesetMaterials Characterization
PublisherData powered by TypesetElsevier Inc.
ISSN10445803
Open AccessNo
Concepts (17)
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    Deformation
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    Milling (machining)
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    Nanocrystalline materials
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    Nanocrystals
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    Nickel
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    Powders
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    Strain hardening
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    Textures
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    CONCOMITANT REDUCTION
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    Deformation mechanism
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    Deformation twinning
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    Elemental powders
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    EVOLUTION OF MORPHOLOGIES
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    HIGH-ENERGY BALL MILLING
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    Slip
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    TEXTURE EVOLUTIONS
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    Ball milling