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14 Cards in this Set
- Front
- Back
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white cast iron is white because |
cementite in the surface |
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how much silicon in white cast iron? |
little |
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cool method of white cast iron |
fast cooling |
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properties of white cast iron |
very hard, brittle, unworkable, white cementite colour. |
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application of white cast iron |
impellers and pumps. |
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malleable cast iron is made from |
white cast iron, heated to 900, this makes more like mild steel. and has less internal stresses than grey cast iron. |
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disadvantage of malleable cast iron |
there is a limit to the size of parts. |
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ductile cast iron |
uses magnesium to slow down the growth of graphite |
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ductile cast iron has what shape of particles |
spheroidal |
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advantages of ductile cast iron |
can cast bigger parts than malleable cast iron. |
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grey cast iron properties |
soft, self lubricated, machinable, |
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grey cast iron needs atleast how much carbon |
2.5-4 % |
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advantages of grey cast iron |
easily machined, self lubricated, wearing resistant, dampening (vibration absorbing), easy to cast. |
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disadvantages of grey cast iron |
less tensile strength that steel, less shock resistance than steel, |
