Podcast
Questions and Answers
Why are alloys generally preferred over pure metals in engineering work?
Why are alloys generally preferred over pure metals in engineering work?
- Alloys are cheaper to manufacture than pure metals
- Alloys have a higher melting point than pure metals
- Alloys have superior mechanical properties compared to pure metals (correct)
- Alloys are easier to produce than pure metals
What is the interstitial type of alloying?
What is the interstitial type of alloying?
- Alloy elements are located in spaces between atoms in the unit cell (correct)
- Alloy elements replace some of the atoms in the crystal lattice
- Alloy elements are evenly distributed within the crystal lattice
- Alloy elements form separate crystalline structures within the material
Why are ordinary steels, which are alloys of iron and carbon, preferred over pure iron?
Why are ordinary steels, which are alloys of iron and carbon, preferred over pure iron?
- Ordinary steels are easier to shape than pure iron
- Ordinary steels have a lower melting point than pure iron
- Ordinary steels have a lower density than pure iron
- Ordinary steels have superior strength compared to pure iron (correct)
What is the main factor determining the solubility of alloy elements in interstitial sites?
What is the main factor determining the solubility of alloy elements in interstitial sites?
What is an important focus of studying solid phases in alloys?
What is an important focus of studying solid phases in alloys?