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A new interpretation for the anomalous yield phenomena of β-CuZn alloy (B2 ordered structure) has been made using an internal variable approach. The high temperature deformation behavior of β-CuZn alloy has been examined through a series of load relaxation tests (28-430 o C) and analyzed. The deformation behavior has been well described by the internal variable theory of inelastic deformation,...
A new approach for structural superplasticity (SSP) is attempted in this study based on the internal deformation variables. The basic mechanisms of SSP are thought here to consist of interface sliding (IS), i.e. grain or phase boundary sliding (GBS/PBS), and a dislocation glide process accommodating the incompatibilities due to IS. For this purpose, a new constitutive framework for inelastic deformation...
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