define alloy and it type
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An alloy is a material containing a mixture of two or more metals. An alloy metal can be used to provide increased strength or a lighter weight material. Types of alloys Bearing alloys: It is being used for accommodating enough pressure under sliding contact with another metal body commonly known as rotating shaft of the motor, generator, vehicles and various types of propellers.
Corrosion-resisting Alloys: Noble metal uses to make corrosion-resistant alloys which initially oxidized and act as separation layer preventing chemical action from other materials or corrosive environment. Stainless steel and aluminum alloy are examples of these alloys.
Super-Austenitic Stainless Steels Alloy (SASS Alloy): During the last decades of the 20th century, stainless steel technology took a giant leap forward with the development of higher nickel stainless steels enhanced by the addition of nitrogen for improved strength and corrosion resistance. These alloys normally contain about 6% molybdenum, so they offer excellent resistance to localized corrosion in reducing and mixed acid environments. They contain sufficient chromium for resistance to oxidizing environments as well.
High-Strength Corrosion-Resistant Alloys: offers corrosion-resistant alloys that are essentially precipitation-hardenable (age-hardenable) versions of their solid-solution counterparts. These products offer the corrosion resistance of the standard alloys but more than twice the strength. In addition, precipitation-hardenable alloys can be fabricated prior to heat treatment when they are relatively soft and ductile and then heat treated afterword to develop high strength.
Other alloys are Dental alloy and Die-casting alloy which are widely used in our daily life.
Corrosion-resisting Alloys: Noble metal uses to make corrosion-resistant alloys which initially oxidized and act as separation layer preventing chemical action from other materials or corrosive environment. Stainless steel and aluminum alloy are examples of these alloys.
Super-Austenitic Stainless Steels Alloy (SASS Alloy): During the last decades of the 20th century, stainless steel technology took a giant leap forward with the development of higher nickel stainless steels enhanced by the addition of nitrogen for improved strength and corrosion resistance. These alloys normally contain about 6% molybdenum, so they offer excellent resistance to localized corrosion in reducing and mixed acid environments. They contain sufficient chromium for resistance to oxidizing environments as well.
High-Strength Corrosion-Resistant Alloys: offers corrosion-resistant alloys that are essentially precipitation-hardenable (age-hardenable) versions of their solid-solution counterparts. These products offer the corrosion resistance of the standard alloys but more than twice the strength. In addition, precipitation-hardenable alloys can be fabricated prior to heat treatment when they are relatively soft and ductile and then heat treated afterword to develop high strength.
Other alloys are Dental alloy and Die-casting alloy which are widely used in our daily life.
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What is alloy ?
When two or more elements are melted together and resulting liquid is allowed to solidify, the product so obtained is called an alloy if it possesses metallic properties.
→An alloy may consist of a mixture of a metal with another metal, a metal with a non-metal or a metal with both metal and non-metal.
Alloys are mainly classified into two distinct types, namely
1) ferrous and
2) Non-Ferrous.
More about its types :-
Ferrous Alloy :
Ferrous alloys always contain iron, carbon and one or two of the other elements such as manganese, nickel, chromium, copper, vanadium, molybdenum, tungsten, etc.
→When the percentage of carbon in the alloy is below 0.1, the alloy is termed the iron alloy and if it is above 0.1, the alloys are called steels.
Non-Ferrous Alloy :
When iron is not present in the alloy, it is termed a non ferrous alloy.
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