Moderate to low density high strength depends on the quality of the specimen.
Density of metals ceramics polymers.
The key difference between polymers and metals is that the polymers are lightweight materials compared to metals.
Their strength stiffness and melting temperatures are generally much lower than those of metals and ceramics.
Compositions with several allotropessuch as sio2will have minor differences in density.
Ceramics are intermediate in density between polymers lower and metals higher in the range of 2 6 gms cm3.
A material with a high level of hardness will resist deformation caused by surface indentation or abrasion while a material with a low hardness level will deform more.
Alloying can be applied to metals ceramics and polymers where in each specific properties are desired.
Non crystalline materials are less dense than crystalline ones.
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Usually they are low density and are not stable at high temperatures.
One of the most desired properties of metal alloys is the hardenability.
Many new combinations include ceramic fibers in metal or polymer matrix.
Asked jul 25 2020.
Over the last half century new choices of materials such as ceramics polymers and polymer fibers and lower density metals have significantly decreased the weight of the armor needed for the protection of personnel and vehicles.
Materials can be majorly classified in five considerable categories i e.
Therefore this property of the polymer is highly advantageous because we can replace metal with plastic.
These are typical properties.
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Lighter than metals and ceramics.
There are other material ranges as well but here in this article most common are being discussed.
In fact properties of ceramics and glass can be tailored to specific applications by modifying composition including creating composite materials with metals and polymers and by changing processing parameters.
If we take a ball made of a polymer material such as plastic and a ball made of a metal with the same size we can observe that the metal ball is heavier than the plastic ball.
Metals polymers wood fabrics and ceramics.
Compare metals polymers and ceramics on a chart or table using the following properties and the ratings low high and highest.
Mass propertiesinclude things like density.
Metals polymers ceramics wood fabrics.