渐进法向力对金属材料微米划痕响应的影响
刘明, 严富文, 高诚辉

Effects of Progressive Normal Force on Microscratch Responses of Metallic Materials
LIU Ming, YAN Fuwen, GAO Chenghui
图1 压头与材料间的几何接触模型示意图
(a) front view (b) side view (c) top view
Fig.1 Schematics of geometrical contact model between indenter and material (Fn—normal force, Ft—lateral force, α—half-apex angle of the indenter, R—radius of spherical tip of the indenter, dt—sphere-to-cone transition depth, dp—penetration depth, Sh—horizontally projected contact area, Sv—vertically projected contact area)