Abstract Searching for high-performance thermoelectric (TE) materials in the paradigm of narrow-bandgap semiconductors is hampered by a bottleneck. Here we report on discovery metallic compounds, TiFe x Cu 2 ?1 Sb and 1.33 Sb, showing thermopower exceeding many TE dimensionless figure merits zT s comparable with state-of-the-art materials. A quasi-linear temperature ( T ) dependent electrical r...

Nowadays, with extending applications of bi-layer metallic sheets in different industrial sectors, accurate specification of each layer is very prominent to achieve desired properties. In order to predict behavior of sheets under different forming modes and determining rupture limit and necking, the concept of Forming Limit Diagram (FLD) is used. Optimization problem with objective functions an...