Monday, 12 December 2011

Decision matrix for material

 The Pugh decision matrix shows how the factors considered for material choice were weighted and scored. Aluminium is our chosen material.

Factor
Weighting Factor
Steel
Titanium
Auminum
Composites
Strength / Weight Ratio
3
-1
1
0
2
Youngs Modulus
2
1
2
0
-1
Density
2
-1
2
1
0
Cost
4
3
-2
2
-3
Durability
3
-2
2
1
0
TOTAL
3
9
13
-8
Position
3
2
1
4

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