This is the proceedings of the selected papers presented at chinese materials congress 2015 (CMC2015) held in guiyang, china, july 10-14, 2015.This is the volume for part 2 including 122 papers selected from 12 symposia of AA. Multifunctional composites and meta-composites; g. Microelectronics and optoelectronics materials; h. Ferroelectric and oxide electronic information materials; i. Multiferroic materials; j. Superhard materials; k. Preparation and application of superconducting material; l. Bulk nano ultra-fine crystal materials; m. Biomedical materials; n. Advanced ceramic materials; o. Polymer materials; p. Functional elastomer materials; q. Shape memory and self-healing polymeric materials
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