This volume comprises the proceedings of the International Conference on Solid-Solid Phase Transformations in Inorganic Materials, PTM '94, held at Nemacolin Woodlands Resort in Farmington, Pennsylvania, July 17-22, 1994. The conference was sponsored by The Minerals, Metals & Materials Society (TMS) and co-sponsored by the American Ceramics Society, ASM International, the Institute of Materials and the Japan Institute of Materials.