Material study for engineers | importance of material study for engineer’s
In many of the today technologies, the primary emphasis is on mechanical properties of materials used. For example the components used in car, laptop or bicycle must be light weight, strong and able to with stand a certain amount of force.
In many applications, the mechanical properties of the material play an important
Role, even though the primary function is electrical, magnetic, optical, or biological. For
Example, an optical fiber must have a certain level of strength to withstand the stresses
Encountered in its application.
The mechanical properties of materials must also be understood so that we can process materials into useful shapes using materials processing techniques.
Know what are the factor behind the mechanical properties of material: so the factor are that of chemical bonding of atoms and their structure, as you know metal are very hard to break as compared to polythene so we concluded from this that metal have strong bonding then polythene.
Some of the material are very strong to break will other are very weak and break very easily when load is applied this is all due to chemical bonding, because the atoms present in the material don’t have the power to withstand the applied force.
So for engineer following properties of materials are very important
1. Ductility
2. Strain
3. Stress
4. Temperature
5. Structure of material
6. Hardness or stiffness
Ductility is the property of material to withstand force after proportional limit or yield point, may be in some case you require a ductile material and in other may a non-ductile material so it’s all depend on situation.
Strain is the deformation produce divide with original length, strain is most important factor considering for designing of any component.
Temperature has also effect on properties of materials like for an engineer it is important to know that how certain type of material react to temperature difference and how it’s properties worries with temperature change.
So for an engineer if he/she wants to design anything then he must consider the above six constrains.
As we already know that engineer design system so an electrical engineer design electrical system, mechanical engineer design mechanical systems, civil engineer design roads and construction system and industrial engineer design industrial products and systems, so all need material for their work, so understanding the use of right material at right place make a better product or system.
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