SMA.ppt shaoe memory alloys and it's applications

shape memory alloys are alloys that can recover it's original shape after heating we will discuss in this document it's definition it's properties the shape memory effect applications the fabrication

1. SHAPE MEMORY ALLOY (NITINOL)
Inactive
Active -Bending Active -Twist
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SHAPE MEMORY MATERIALS

2. SHAPE MEMORY POLYMERS
AFTER
TRANSFORMATION
BEFORE
TRANSFORMATION
DURING
TRANSFORMATION
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3. SHAPE MEMORY POLYMERS
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BEFORE
TRANSFORMATION
DURING
TRANSFORMATION
AFTER
TRANSFORMATION

4. SHAPE MEMORY POLYMERS
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1. Light weight
2. High energy dissipation
3. Uniform composition structurally strong
4.Lowcost