smart materials

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STRUCTRAL APPLICATION OF SMART MATERIALS presented by: Ashok kumar singh

INDEX :

1. INTRODUCTION

2. WHAT ARE THE SMART MATERIALS?

3. SHAPE MEMORY ALLOYS (SMA)

4. CARBON FIBER REINFORCED CONCRETE (CFRC)

5. CONCLUSION

6. ACKNOWLEDGEMENT

7. REFERENCES

1. INTRODUCTION

The development of durable and cost effective high performance construction materials is important for the economic well being of a country. Assorted developments are being made these days to increase the strength and durability of these structures and make them accustomed to various natural changes.

The technology now addresses the growing needs for strengthening aging structures , rehabilitating damaged structures and designing new structures to more severe requirements and for longer service life. Innovations are being made in structural materials and to develop superior products that have positive impact on our cost-effective competitiveness, national security and quality of life. In order to achieve the above requirements evaluation of structure is essential. Figure(1) shows the evaluation components of structure.

Figure(1)

Engineers have to use three main criteria to select materials: desired properties, availability of manufacturing technology, economic feasibility. One of the latest development in this context is the development of smart material.

2. WHAT ARE SMART MATERIALS?

“Smartness” of a material is characterized by self-adaptability, self sensing memory and decision making. Smart materials are the materials that respond with shape or other property change upon application of externally applied driving forces (electrical, magnetic and thermal). In other words, smart materials refer to materials that can

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