The hardness, wear resistance and heat resistance of cemented carbide are higher than that of high-speed steel.
举一反三
- Which of the following is an advantage of glass lenses? A: Good hardness B: Good heat resistance C: Light D: Thin E: Good impact resistance
- Due to its good heat resistance ,when cutting with carbide tools, generally do not add cutting fluid
- High-speed steel is also___________________(know) as self-hardening steel.
- What sets ceramics apart is their set of properties common to nearly all forms.Those properties are （） A: extreme hardness B: heat resistance C: corrosion resistance D: electrical and thermal conductivity E: low ductility F: brittleness
- Which of the following are characteristics of the steel structure? A: High strength and low weight B: Good plasticity and toughness C: Easy to manufacture and construct D: Weak corrosion resistance