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GCSE Design and Technology · key term
The elements present in a material and their relative amounts.
Used by Edexcel
Specification 3b · Paper 1
Revise: Alloys and Their PropertiesThe composition of an alloy means both which elements it contains and their relative amounts. Changing those amounts can change its properties, even when the elements remain the same.
Avoid claiming that every alloy is stronger, lighter or more corrosion-resistant than its base metal. The improvement depends on its composition.
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