18 Properties In Shear

The ratio of shear stress to shear strain during initial elastic behavior is the shear modulus G. According to the theory of elasticity, this quantity is related to the modulus of elasticity E and Poisson's ratio v by

FIGURE 1.5 Curve shows the relationship between true stress and true strain for 50-ksi yield-point HSLA steel.
Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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