The structure of aluminum-silicon alloys contains a sharp-edge plates of brittle silicon in the comparatively soft and more ductile aluminum matrix. Whether these alloys are notch sensitive in the impact test or not needs to be determined. If these alloys have a good toughness or not needs to be explained. Concept introduction: Notch sensitivity is occurred due to poor machining. The impact test is a sudden force applied to the material. Toughness measurement is the measure of energy needed to break the specimen.

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Chapter 6, Problem 6.71P

Interpretation Introduction

Interpretation:

The structure of aluminum-silicon alloys contains a sharp-edge plates of brittle silicon in the comparatively soft and more ductile aluminum matrix. Whether these alloys are notch sensitive in the impact test or not needs to be determined. If these alloys have a good toughness or not needs to be explained.

Concept introduction:

Notch sensitivity is occurred due to poor machining. The impact test is a sudden force applied to the material. Toughness measurement is the measure of energy needed to break the specimen.

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