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← Older revision		Revision as of 21:22, 23 February 2025
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	[[Category:Metallurgy]]		[[Category:Metallurgy]]
	[[Category:Engineering materials]]		[[Category:Engineering materials]]
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			File:Alloy_and_metal_samples_-_Beryllium-Copper,_Inconel,_Steel,_Titanium,_Aluminum,_Magnesium.jpg\|Alloy and metal samples - Beryllium-Copper, Inconel, Steel, Titanium, Aluminum, Magnesium
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-Alloy is a mixture of two or more elements of which one is definitely a metal and all of them are mutually soluble in a liquid state which are fused above their melting point.
+Alloy
-[[File:Eutectic system phase diagram.svg|Eutectic system phase diagram]]
+An alloy is a mixture of two or more elements, where at least one of the elements is a metal. Alloys are designed to have specific properties that are different from the constituent elements. They are widely used in various applications due to their enhanced mechanical, thermal, and chemical properties.
-{{stub}}
+== Composition and Structure ==
-{{dictionary-stub1}}
+Alloys are typically composed of a base metal and one or more additional elements. The additional elements can be metals or non-metals. The properties of an alloy depend on the types and proportions of the elements involved, as well as the method of production.

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2024-02-20T16:56:33Z

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Alloy is a mixture of two or more elements of which one is definitely a metal and all of them are mutually soluble in a liquid state which are fused above their melting point.
* Depending on dominant phase system, alloy systems are classified as:
=====Isomorphic (solid state/single phase)=====
Two metals which are completely soluble in both liquid and solid state. Homogenous mixture of two or more kinds of atoms(of metals) occurs in solid state.
Ex: sterling silver(92.5% Ag & remaining Cu); Brass(64% Cu & 36% Zn); Gold alloys
=====Eutectic alloys=====
These are the Binary alloys which are completely soluble in liquid but shows limited solid solubility. Eutectic alloys melt at a temperature lower than fusion temperature of both the metals. They are inferior to Solid solutions, hence used in the soldering. They are brittle but hard and has poor tarnish and corrosion resistance. Ex: Ag-Cu system

[[File:Eutectic system phase diagram.svg|Eutectic system phase diagram]]
=====Peritectic alloys=====
A peritectic reaction is a reaction where a solid phase and liquid phase will together form a second solid phase at a particular temperature and composition. These reactions are rather sluggish as the product phase will form at the boundary between the two reacting phases thus separating them, and slowing down any further reaction. Peritectics are not as common as eutectics and eutectiods, but do occur in some alloy systems.
Ex: Fe-C system
=====Intermetallic system=====
They are intermediate phase in solid solutions. Their bonding between different types of atoms are partly ionic. They form a new phase with its own composition, crystal structure and properties. They are very hard and brittle and shows mechanical properties similar to ceramic materials.
Ex: Ag-Sn in Cu rich amalgam alloy.

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Alloy - Revision history

Prab: CSV import

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Prab: CSV import