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Topic: intermetallics vs. alloys and superstructure  (Read 13289 times)

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asia

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intermetallics vs. alloys and superstructure
« on: May 27, 2006, 02:39:15 PM »
Hi! I'm Ph.D. student and I have some questions about Complex Metallic Alloys:
What is the difference between intermetallics and alloys?
What's the deffiition of superstructure ?
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Offline Morphic flip

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Re: intermetallics vs. alloys and superstructure
« Reply #1 on: June 03, 2006, 10:15:55 AM »
Intermetallic - chemical compounds between two or more metals with crystal structures which aredifferent from those of the metals it`s made from.
Alloy - compound of 2 or more elements. One at least being a metal, and the resulting material has metallic properties.
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Offline Borek

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Re: intermetallics vs. alloys and superstructure
« Reply #2 on: June 03, 2006, 10:42:17 AM »
Quote from: Morphic flip on June 03, 2006, 10:15:55 AM
Alloy - compound of 2 or more elements.

Alloy is not a compound, it is a solid solution. It may contain compounds.
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Offline Morphic flip

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Re: intermetallics vs. alloys and superstructure
« Reply #3 on: June 03, 2006, 11:28:13 AM »
Hmm, yeah I should have put maybe:
Alloy - Either a solution or compound of 2 or more elements. One at least being a metal, and the resulting material has metallic properties.
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Offline xiankai

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Re: intermetallics vs. alloys and superstructure
« Reply #4 on: June 04, 2006, 08:06:54 PM »
alloy cannot be reffered to a compound; that implies chemical bonds are formed, which are not true.
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Offline wereworm73

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Re: intermetallics vs. alloys and superstructure
« Reply #5 on: June 04, 2006, 09:53:16 PM »
I agree it's better to think of alloys as solid solutions rather than compounds, though chemical bonds are created as intermetallic compounds form within an alloy.
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