Young's modulus when you join two different materials

In summary, Young's modulus refers to the measure of stiffness or rigidity of a material and remains the same regardless of the material being used. When joining two different materials, the Young's modulus may change depending on the type of materials and the joining method. The resulting Young's modulus will be a combination of the individual values and can be calculated using the individual Young's moduli and bonding strength between the materials. The composition of the joined materials can greatly affect the Young's modulus, with similar materials resulting in a value closer to the individual values and different materials resulting in a value in between the two.
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Homework Statement


If you have two materials of equal length and radius and then you join them together.
Material 1 young's modulus = y1
material 2 young's modulus = y2


Homework Equations


F/a = y Lchange / Lo


The Attempt at a Solution


Given they are of the same length and radius. Is the "new" youngs modulus simply their weighted average:
ynew = 0.5 * (y1 + y2)
 

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how can I find the elastic modulus in reinforced concrete section
 

Related to Young's modulus when you join two different materials

1. What is Young's modulus when joining two different materials?

Young's modulus refers to the measure of stiffness or rigidity of a material, and it remains the same regardless of the material being used. When joining two different materials, the Young's modulus will depend on the type of materials being used and how they are joined together.

2. How is Young's modulus affected when joining two different materials?

When joining two different materials, the Young's modulus may change depending on the type of materials being used and how they are joined. For example, if the materials have different stiffness levels, the resulting Young's modulus will be somewhere in between the two values. The joining method can also affect the Young's modulus, as some methods may create a stronger bond between the materials, resulting in a higher Young's modulus.

3. Is the Young's modulus of the joined materials the same as the individual materials?

No, the Young's modulus of the joined materials will not be the same as the individual materials. When two materials are joined together, their combined stiffness will result in a different Young's modulus. This value will depend on the properties of the individual materials and the joining method.

4. How does the composition of the joined materials affect the Young's modulus?

The composition of the joined materials can greatly affect the resulting Young's modulus. For example, if two materials with similar stiffness levels are joined together, the resulting Young's modulus will be closer to the individual values. However, if two materials with very different stiffness levels are joined, the resulting Young's modulus will be somewhere in between the two values.

5. Can the Young's modulus of joined materials be calculated?

Yes, the Young's modulus of joined materials can be calculated using the individual Young's moduli of the materials and the bonding strength between them. This calculation can help determine the overall stiffness of the joined materials and is useful for predicting their behavior under different forces and stresses.

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