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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Engineering Materials
Amorphous material is one

Which emits fumes on melting
In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid
Which is not attacked by phosphorous
In which atoms align themselves in a geometric pattern upon solidification

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