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Questions and Answers
Which of the following is a common method to improve the fatigue strength of metals?
Which of the following is a common method to improve the fatigue strength of metals?
- Polishing the surface
- Increasing the grain size
- Shot peening (correct)
- Introducing surface defects
What is the primary strengthening mechanism in steel?
What is the primary strengthening mechanism in steel?
- Work hardening (correct)
- Grain refinement
- Precipitation hardening
- Solid solution strengthening
What is the purpose of tempering steel?
What is the purpose of tempering steel?
- To reduce toughness
- To decrease ductility
- To relieve internal stresses (correct)
- To increase hardness
Which field emphasizes finding uses for materials in other fields and industries?
Which field emphasizes finding uses for materials in other fields and industries?
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During which historical period did researchers begin to use analytical thinking from chemistry, physics, and engineering to understand ancient observations in metallurgy and mineralogy?
During which historical period did researchers begin to use analytical thinking from chemistry, physics, and engineering to understand ancient observations in metallurgy and mineralogy?
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What is the primary focus of materials scientists according to the text?
What is the primary focus of materials scientists according to the text?
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What relationships does the materials paradigm aim to understand?
What relationships does the materials paradigm aim to understand?
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When did materials science begin to be more widely recognized as a specific and distinct field of science and engineering?
When did materials science begin to be more widely recognized as a specific and distinct field of science and engineering?
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