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Modulus
Young’s modulus (E) describes the tendency of a material to deform when opposing forces are exerted along the axis. In other words, it is the ratio of tensile stress to the tensile strain and is often referred to as elastic modulus.
Importance
Elastomers are largely used for vibration and sound control. They are commonly bonded and compressed amid rigid plates. To predict the elastomer vibration, it is important to know about the material properties such as Poisson’s ratio, damping factor, and Young’s modulus
Modulus tests are conducted for determining the effects of thermal and chemical exposure on rubber and controlling product quality. The retention of these properties is more significant than absolute values like elongation, modulus, or tensile stress.
Measurement
In elastomers, the stress isn’t linear with strain. Hence, the modulus is not a constant slope or a ratio, but rather indicates a specific point on the stress-strain curve.
Calculating Results/Reporting
The bulk modulus is a physical property of a material that defines the resistance to volume change that takes place when compressed. It is commonly expressed as:
K = p/ev
Where,
K – Bulk modulus
p – Hydrostatic pressure
ev – Volumetric strain
A positive volumetric strain points to the decrease in volume. Since the response is non-linear, the stress vs strain curve can be plotted. Also, the slope of the linear portion can be considered as Young’s modulus (E). Therefore, there exists a relationship between Poisson’s ratio (v), shear modulus (G), and E.
Modulus
Young’s modulus (E) describes the tendency of a material to deform when opposing forces are exerted along the axis. In other words, it is the ratio of tensile stress to the tensile strain and is often referred to as elastic modulus.
Importance
Elastomers are largely used for vibration and sound control. They are commonly bonded and compressed amid rigid plates. To predict the elastomer vibration, it is important to know about the material properties such as Poisson’s ratio, damping factor, and Young’s modulus
Modulus tests are conducted for determining the effects of thermal and chemical exposure on rubber and controlling product quality. The retention of these properties is more significant than absolute values like elongation, modulus, or tensile stress.
Measurement
In elastomers, the stress isn’t linear with strain. Hence, the modulus is not a constant slope or a ratio, but rather indicates a specific point on the stress-strain curve.
Calculating Results/Reporting
The bulk modulus is a physical property of a material that defines the resistance to volume change that takes place when compressed. It is commonly expressed as:
K = p/ev
Where,
K – Bulk modulus
p – Hydrostatic pressure
ev – Volumetric strain
A positive volumetric strain points to the decrease in volume. Since the response is non-linear, the stress vs strain curve can be plotted. Also, the slope of the linear portion can be considered as Young’s modulus (E). Therefore, there exists a relationship between Poisson’s ratio (v), shear modulus (G), and E.
NEED HELP?
Speak with a human to filling out a form? call corporate office and we will connect you with a team member who can help.
