Smart Materials Market Size and Forecasts (2021 - 2031), Global and Regional Share, Trends, and Growth Opportunity Analysis Report Coverage:by Product Type (Piezoelectric Materials, Electro-Rheostatic, Magneto-Rheostatic, Shape Memory Materials, Smart fluids, Smart hydrogels, Electrochromic Materials, Others); Application (Actuators & Motors, Sensors, Transducers, Structural Materials, Others); End-User (Industrial, Defense, Aerospace, Automotive, Consumer Electronic, Healthcare), and Geography (North America, Europe, Asia Pacific, and South and Central America)