Questions: modulus of elasticity is a structure insensitive property [it is a unique property of a material- it is a property of the atomic bond in the material, and can not be altered by changing chemical composition or of a material] [this therefore means stiffness is structure property]

modulus of elasticity is a structure insensitive property
[it is a unique property of a material- it is a property of the atomic bond in the material, and can not be altered by changing chemical composition or of a material]
[this therefore means stiffness is structure property]
Transcript text: -modulus of elasticity is a structure insensitive property [it is a unique property of a material- it is a property of the atomic bond in the material, and can not be altered by changing chemical composition or $\qquad$ of a material] [this therefore means stiffness is structure $\qquad$ property]
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Solution

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Solution Steps

Step 1: Understanding the Context

The question discusses the modulus of elasticity, which is a material property related to the atomic bonds within the material. It is stated that this property is insensitive to the structure of the material.

Step 2: Filling in the Blanks

The first blank should be filled with a term that indicates a property that cannot be changed by altering the material's structure. The second blank should be filled with a term that indicates the insensitivity of stiffness to the material's structure.

Step 3: Identifying the Correct Terms
  • The modulus of elasticity is not affected by the "microstructure" of the material.
  • Therefore, stiffness is a structure "insensitive" property.

Final Answer

\[ \boxed{\text{microstructure, insensitive}} \]

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