Some alloying elements are known a‘carbide formers’.What does this term mean?Beyond this,some elements are called very strong,strong or moderate carbide formers.What is meant by this?
Some alloying elements are known a‘carbide formers’.What does this term mean?Beyond this,some elements are called very strong,strong or moderate carbide formers.What is meant by this?
The hardness, wear resistance and heat resistance of cemented carbide are higher than that of high-speed steel.
The hardness, wear resistance and heat resistance of cemented carbide are higher than that of high-speed steel.
The key transition described in this diagram is the of single-phase austenite (γ) to the two-phase ferrite plus carbide structure as temperature drops.
The key transition described in this diagram is the of single-phase austenite (γ) to the two-phase ferrite plus carbide structure as temperature drops.
Due to its good heat resistance ,when cutting with carbide tools, generally do not add cutting fluid
Due to its good heat resistance ,when cutting with carbide tools, generally do not add cutting fluid
下列磨料的硬度从小到大排列为： A: corundum B: quartz C: diamond D: silicon carbide
下列磨料的硬度从小到大排列为： A: corundum B: quartz C: diamond D: silicon carbide
which one can directly contact with water？ A: Sodium metal B: Calcium carbide C: Metal hydride D: Sulphur powder
which one can directly contact with water？ A: Sodium metal B: Calcium carbide C: Metal hydride D: Sulphur powder
．硬质合金刀具材料的英文是（ ） A: A、Ceramics B: B、Cemented Carbide C: C 、Poly Crystalline Diamond D: D、Cubic Boron Nitride
．硬质合金刀具材料的英文是（ ） A: A、Ceramics B: B、Cemented Carbide C: C 、Poly Crystalline Diamond D: D、Cubic Boron Nitride