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Updated by Ann M Wendt on Feb 14, 2018
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Ann M Wendt Ann M Wendt
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List of 18 Mechanical Properties Which Every Mechanical Engineer

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1

Strength

Strength

The ability of the material to withstand load without failure is known as strength.

2

Homogeneity

Homogeneity

If a material has same properties throughout its geometry, known as homogeneous material and the property is known as homogeneity. It is an ideal situation but practically no material is homogeneous.

3

Isotropy

Isotropy

A material which has same elastic properties along its all loading direction known as isotropic material.

4

Anisotropy

Anisotropy

A material which exhibits different elastic properties in different loading direction known as an-isotropic material.

5

Elasticity

Elasticity

If a material regains its original dimension after removal of the load, it is known as elastic material and the property by virtue of which it regains its original shape is known as elasticity.

6

Plasticity

Plasticity

The ability of material to undergo some degree of permanent deformation without failure after removal of load is known as plasticity.

7

Ductility

Ductility

Ductility is a property by virtue of which metal can be drawn into wires. It can also define as a property which permits permanent deformation before fracture under tensile loading.

8

Brittleness

Brittleness

Brittleness is a property by virtue of which, a material will fail under loading without significant change in dimension. Glass and cast iron are well known brittle materials.

9

Stiffness

Stiffness

The ability of material to resist elastic deformation or deflection during loading, known as stiffness. A material which offers small change in dimension during loading is more stiffer. For example steel is stiffer than aluminum.

10

Hardness

Hardness

The property of a material to resist penetration is known as hardness. It is an ability to resist scratching, abrasion or cutting.

11

Toughness

Toughness

Toughness is defined as an ability to withstand with plastic or elastic deformation without failure. It is defined as the amount of energy absorbed before actual fracture.

12

Malleability

Malleability

A property by virtue of which a metal can flatten into thin sheets, known as malleability. It is also define as a property which permits plastic deformation under compression loading.

13

Machinability

Machinability

A property by virtue of which a material can be cut easily.

14

Damping

Damping

The ability of metal to dissipate the energy of vibration or cyclic stress is called damping. Cast iron has good damping property, that’s why most of machines body made by cast iron.

15

Creep

Creep

The slow and progressive change in dimension of a material under influence of its safe working stress for long time is known as creep.

16

Resilience

Resilience

The amount of energy absorb under elastic limit during loading is called resilience. The maximum amount of the energy absorb under elastic limit is called proof resilience.

17

Fatigue Strength

Fatigue Strength

The failure of a work piece under cyclic load or repeated load below its ultimate limit is known as fatigue.

18

Embrittlement

Embrittlement

The loss of ductility of a metal caused by physical or chemical changes, which make it brittle, is called embrittlement.