Develop a new strain rate sensitive solid-state pressure bonding model

نویسندگان

چکیده

Solid-state bonding is widely involved in metal forming and joining applications. The quality of the bonded interface key to final integrity joint or formed structure; thus, its controllability predictivity have been focus over decades. bond jointly determined by oxide behaviour microstructure evolution. In this study, a new four-stage model, considering cohesion different contacting pairs (oxide-oxide, oxide-metal metal–metal) reduced adverse effect remaining oxides, proposed describe process under hot deforming conditions. This model was validated through range compression tests, using Gleeble strains (10%, 30% 50%), strain rates (0.001 s−1, 0.01 s−1 0.1 s−1) at 1150 °C with references. Scanning electron microscope (SEM) Electron Backscatter Diffraction (EBSD) were used characterize Tensile tests room temperature conducted on samples references reveal ratio. 100% strength, equivalent base metal's strength ductility, achieved large 50% for all three rates.

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ژورنال

عنوان ژورنال: Materials & Design

سال: 2022

ISSN: ['1873-4197', '0264-1275']

DOI: https://doi.org/10.1016/j.matdes.2022.110436