Hardness is a measure of the resistance to localize plastic deformation.
硬度是材料抵抗局部塑性形变的量度。
2
And that cutting speed and material hardness are two main influential factors that determine chip deformation.
切削速度和材料硬度是决定切屑变形的两个主要影响因素。
3
Carburizing and quenching, with high surface hardness, good toughness characteristics, the heart of cold plastic deformation of medium, cutting is good.