Done by : AL-salt Malik AL-sulti Smart materials.

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Presentation transcript:

Done by : AL-salt Malik AL-sulti Smart materials

Outlines Definition Types of smart materials Demo Conclusion

Definition materials whose physical properties can be changed in a controlled manner by factors like temperature, pH, pressure, electric/magnetic fields.

Types of smart materials I. Piezoelectric materials deformed, it gives off a small but measurable electrical discharge.(vice versa ) used as sensors in different environments Eg. airbag sensor, robots

Types of smart materials II. Electro-rheostatic and Magneto-rheostatic. fluids, which can experience a dramatic change in their viscosity. MR fluids: a viscosity change when exposed to a magnetic field ER fluids: a viscosity change when exposed to a electrical field use in car shocks, damping washing machine vibration…ext

Types of smart materials III. Shape Memory Alloys (SMA) an alloy that "remembers" its original, cold, forged shape, and which returns to that shape after being deformed. Surgical Tools Aeronautical Applications Muscle Wires

Surgical Tools

Aeronautical Applications

Muscle Wires

Demo m uscle Wire m uscleWire SMA

Conclusion