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Engineering Materials

Engineering Materials
In nodular iron, graphite is in the form of

Flakes
Free carbon
Spheroids
Cementite

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Engineering Materials
Vanadium in high speed steels

Promotes retention of austenite
Forms very hard carbides and thus increases wear resistance
Promotes decarburisation
Provides high hot hardness

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Engineering Materials
Basic constituents of Monel metal are

Nickel, copper
Nickel, molybdenum
Zinc, tin, lead
Nickel, lead and tin

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Engineering Materials
Cupola produces following material

Pig iron
Malleable iron
Cast iron
Wrought iron

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Engineering Materials
Muntz metal contains copper and zinc in the ratio of

0.88888888888889
2.5277777777778
2.1180555555556
40 : 60

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Engineering Materials
Bronze contains

70 - 75% copper and rest tin
85 - 92% copper and rest tin with little lead and nickel
90% copper and 10% tin
70% copper and 30% zinc

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