圆锥压头递增载荷对材料的划痕行为

刘明, 伍家楠

Scratch Behavior of Materials under Progressive Load by Conical Indenter

LIU Ming, WU Jianan

表2 材料的摩擦系数和弹塑性性能

Table 2 The friction coefficient and elastic-plastic properties of the materials

Materials μ0 μavg μcal Hs/GPa K/GPa Hi/GPa v PMMA 0.09 0.39 0.52 0.26 5.93[46] 0.26 0.33[46] PC 0.16 0.63 0.63 0.11 5.3[47] 0.14 0.3[48] Fused silica 0.048 0.06 0.08 5.53 37.7[39] 6.73 0.16[49] S-L glass 0.057 0.08 0.09 6.19 44.4[39] 5.44 0.2[50] Si3N4 0.042 0.058 0.07 22.5 239.9[51] 13.6 0.25[52] Al2O3 0.045 0.075 0.07 22.9 219[53] 14.16 0.24[54] Si 0.035 0.037 0.04 16 99[55] 8.05 0.3[56] SiC 0.045 0.08 0.07 1.78 220[57] 21.05 0.22[58] AZ31 0.18 0.54 0.66 0.51 34.9[59] 0.7 0.35[60] Mo 0.045 0.44 0.45 1.98 NA 2.77 NA W 0.04 0.45 0.44 3.06 NA 4.83 NA Cu 0.2 0.78 0.69 0.52 NA 1.52 0.343 BMG-1 0.09 0.26 0.52 5.11 48.3[43] 2.25 0.32[43] BMG-2 0.12 0.43 0.57 5.2 47[43] 2.26 0.314[43] BMG-3 0.124 0.35 0.57 3.35 47.6[43] 2.22 0.317[43] BMG-4 0.16 0.328 0.63 3 53.1[43] 2.33 0.328[43]