Mechanically driven disorder and phase transformations in alloys

We examine an intermetallic compound on an atomic scale in the early stage of milling. Atomic disorder is monitored by disappearance of superlattice reflections in x-ray and neutron diffraction and by changes of any appropriate physical parameter. A condition for monitoring changes in physical param...

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Bibliographic Details
Published in:Progress in materials science 1995-01, Vol.39 (3), p.159-241
Main Authors: Bakker, H., Zhou, G.F., Yang, H.
Format: Article
Language:English
Subjects:
Applied sciences
Constant-composition solid-solid phase transformations: polymorphic, massive, and order-disorder
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Metals. Metallurgy
Phase diagrams and microstructures developed by solidification and solid-solid phase transformations
Physics
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Summary:We examine an intermetallic compound on an atomic scale in the early stage of milling. Atomic disorder is monitored by disappearance of superlattice reflections in x-ray and neutron diffraction and by changes of any appropriate physical parameter. A condition for monitoring changes in physical parameters is that one should know how the chosen parameter is influenced by disorder. Therefore, in cases where such knowledge exists, for example by knowledge of atomic disorder at higher temperatures, frozen-in by rapid quenching or disorder induced by irradiation, we first discuss these experiments before proceeding to the effect of MM (mechanical milling). We also discuss mechanically induced phase transformation and some special topics.
ISSN:0079-6425
1873-2208
DOI:10.1016/0079-6425(95)00001-1