Abstract
From 1880’s discovery of piezoelectricity by French physicists Jacques and Pierre Curie, a huge number of piezoelectric materials have been developed and applied to the industrial equipment and scientific instrument. In the middle of 20th century, most widely used ceramic piezoelectric materials, BaTiO3 (BTO) in 1944, PbTiO3 in 1950, and Pb(Zr,Ti)O3 (PZT) in 1955, were discovered through “hermetic art approach.” It was not CAE driven material discovery. Actually, the experimental trial and error approach is inefficient way for the material discovery. Therefore a new CAE technique to develop a new high performance piezoelectric material under a short lead time is strongly required. It can analyze material characteristics, and design material structure and generation process simultaneously before actual production. This overall CAE technique for new material design and generation, which can be called as “process crystallographic simulation,” is discussed in this state-of-the-art paper, which will be able to establish a new concept of material and process design.
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