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Which of the following factors does not affect the mechanical properties of a material under applied loads?
- a)Content of alloys
- b)Shape of material
- c)Grain size
- d)Imperfection and defects
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of the following factors does not affect the mechanical properti...
Contents of alloys improve or decrease the hardness and strength of materials. Finer grain sizes improve the strength of the material. Imperfection and defects reduce the strength of the material. Shape, however, has little or no effect on the material.
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Which of the following factors does not affect the mechanical properti...
Factors affecting mechanical properties of materials
Mechanical properties of materials refer to the response of materials under applied loads or forces. The following factors affect the mechanical properties of materials:
1. Content of alloys: The addition of alloying elements to a material can improve its mechanical properties such as strength, hardness, and toughness.
2. Grain size: The size of the grains in a material affects its mechanical properties. Smaller grains result in stronger and harder materials.
3. Imperfections and defects: Imperfections such as voids, cracks, and inclusions can weaken a material and reduce its mechanical properties.
4. Temperature: Temperature can affect the mechanical properties of materials. At a high temperature, materials tend to become softer and lose their strength.
5. Strain rate: The rate at which a material is deformed can affect its mechanical properties. A faster strain rate can result in a material becoming stronger and stiffer.
Shape of material
The shape of a material does not directly affect its mechanical properties. However, the shape of a material can affect how the applied load is distributed and can result in different stress and strain conditions. For example, a cylinder and a cube made of the same material may have different mechanical properties because the applied load is distributed differently in each shape. Nonetheless, the shape of the material does not affect its inherent mechanical properties.
Mechanical properties of materials refer to the response of materials under applied loads or forces. The following factors affect the mechanical properties of materials:
1. Content of alloys: The addition of alloying elements to a material can improve its mechanical properties such as strength, hardness, and toughness.
2. Grain size: The size of the grains in a material affects its mechanical properties. Smaller grains result in stronger and harder materials.
3. Imperfections and defects: Imperfections such as voids, cracks, and inclusions can weaken a material and reduce its mechanical properties.
4. Temperature: Temperature can affect the mechanical properties of materials. At a high temperature, materials tend to become softer and lose their strength.
5. Strain rate: The rate at which a material is deformed can affect its mechanical properties. A faster strain rate can result in a material becoming stronger and stiffer.
Shape of material
The shape of a material does not directly affect its mechanical properties. However, the shape of a material can affect how the applied load is distributed and can result in different stress and strain conditions. For example, a cylinder and a cube made of the same material may have different mechanical properties because the applied load is distributed differently in each shape. Nonetheless, the shape of the material does not affect its inherent mechanical properties.
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