1.4 NONFERROUS METALS AND ALLOYS

 

 

1.4.1 Aluminum

 

 

 

1.4.2 Titanium

 

• silver colored

 

• close packed hexagonal structure (alpha phase)

 

• above 885°C the material undergoes beta phase transition to body centered cubic arrangements

 

• four commercial grades ASTM 1-4

 

 

• melts at 1800°C

 

• resistance to corrosion

 

• twice steels strength to density

 

• high affinity for carbon

 

• soft and ductile when annealed

 

 

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