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Question : 48 of 100
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Solution:
- The material which is very hard and very ductile is Nichrome.
- Nichrome (nickel-chrome or chrome-nickel) is in the form of various alloys of nickel, chromium, and iron.
- The most common usage is as resistance wire, as heating elements, dental restorations (fillings), and in a few other applications.
- Note: -
- Hard - Can withstand external pressure (to some extent)
- Ductile - Which can be drawn out into a thin wire.
- Brittle - break without significant plastic deformation under tensile stress (sudden failure).
- Malleability - ability of a solid to bend or be hammered into other shapes without breaking.
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