10 Questions
Which type of ceramics is employed in the disposal of radioactive nuclear wastes?
Nuclear Ceramics
What is the main component in magnetic ceramics?
Ferrites
Which of the following properties is NOT associated with glass-ceramic materials?
Weak mechanical strength
Which ceramics are typically used in the medical field for dental and bone implants?
Bio-ceramics
What problem does NOT typically affect ceramics?
Ease of fabrication
What type of ceramics are used to make components for automobiles?
Automotive Ceramics
Which ceramics are known for their resistance to friction and wear?
Tribological Ceramics
Which of the following is a fabrication advantage of glass-ceramic materials?
Controlled crystallization of base glass
What is a distinctive challenge when working with ceramics in applications?
Use of conventional welding methods
For what reason is it necessary to use ceramic composites and fabrication methods with ceramics?
To make them less brittle and easier to form
Study Notes
Advanced Structural Ceramics
Nuclear Ceramics
- Used in nuclear power generation and radioactive waste disposal
Bio-ceramics
- Used in medical fields for dental and bone implants
Tribological Ceramics
- Resistant to friction and wear
Automotive Ceramics
- Used to make components for automobiles
Problems with Ceramics
- Brittle and difficult to fabricate, form, or sinter
- Can be overcome by using ceramic composites and advanced fabrication, forming, and sintering methods
Magnetic Ceramics
- Made of ferrites (crystalline mineral composed of iron oxide and other metals, M(FexOy))
Optical Ceramics
- Polycrystalline materials produced through controlled crystallization of base glass
- Glass-ceramic materials share properties with both glasses and ceramics
- Properties include:
- High strength
- Toughness
- Translucency or opacity
- Low or negative thermal expansion
- High temperature stability
Issues with Ceramics
- Difficult to machine
- Expensive
- Require special joining methods, as normal welding methods cannot be used
This quiz covers the applications of advanced structural ceramics in various fields, including nuclear power, medicine, tribology, and automotive industries.
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