chapter  8
MAX Phases
Pages 14

TABLE 8.2 Density, Shear Modulus (G), Young’s Modulus (E), Poisson’s Ratio (ν), and Longitudinal and Shear Sound Velocities for MAX Phases

Solid Density (Mg/m3)

G (GPa)

E (GPa) ν

vL (m/s)

vs (m/s)

Comments and References

413 Phases Ti4AlN3 4.7 127 310 0.22 8685 5201 Finkel et al. (2000) Nb4AlC3 7.0 127 306 0.20 7000 4270 Du et al. (2009) and Hu

et al. (2008c) Nb4AlC3 7.0 149 365 0.22 7770

(avg.) 4675 (avg.)

Parallel to basal planes; Hu et al. (2011b)

Nb4AlC3 7.0 153 353 0.15 – – Perpendicular to basal planes; Hu et al. (2011b)

β-Ta4AlC3 13.2 132 324 0.23 5400 3150 Hu et al. (2007)

(Continued)

Solid Density (Mg/m3)

G (GPa)

E (GPa) ν

vL (m/s)

vs (m s)

Comments and References

312 Phases Ti3SiC2 405 139 343 0.20 9100 5570 Finkel et al. (2004) and

Radovic et al. (2006) Ti3GeC2 506 142 343 0.19 9230 5063 Finkel et al. (2004)

Ti3(Si, Ge)C2 5.02 137 322 0.18 8400 5650 Finkel et al. (2004)

Ti3AlC2 4.2 124 294 0.20 8880 5440 Radovic et al. (2006)

Ti3AlCN 4.5 137 330 0.21 9092 5514 Radovic et al. (2008)

211 Phases

Ti2AlC 4.1 118 277 0.19 8500 5400 Hettinger et al. (2005)

Ti2AlC0.5N0.5 4.2 123 290 0.18 8670 5407 Radovic et al. (2008)

Ti2AlN-a 4.25 150 285 0.18 8533 5328 Radovic et al. (2008)

Ti2AlN-b 4.3 112 277 0.16 4700 5100 Radovic et al. (2008)

Ti2SC 4.6 125 290 0.16 8200 5200 Scabarozi et al. (2008a)

Ti2SC 4.62 129 293 0.16 8180 5248 Shamma et al. (2011)

V2AlC 4.8 116 235 0.20 7000 4913 Hettinger et al. (2005)

V2AlC – – 283 – – – Hu et al. (2008a)

Cr2AlC 5.24 105 245 0.20 6200 4450 Hettinger et al. (2005)

Cr2AlC 5.1 116 288 0.24 7550 4770 Tian et al. (2007)

Cr2AlC – 121 285 0.18 – – Lin et al. (2007b)

Cr2AlC 5.2 – 282 – – – Ying et al. (2011b)

Cr2GeC 6.9 80 208 0.29 6300 3422 Amini et al. (2008)

Nb2AlC 6.3 117 286 0.21 7165 4306 Hettinger et al. (2005)

Nb2AlC 6.44 – 294 – 6750 – Zhang, W. et al. (2009)

Nb2SnC 8.0 – 216 – 5200 – El-Raghy et al. (2000)

Ta2AlC 11.46 121 292 0.2 5350 3250 Hu et al. (2008b)

Hf2SnC 11.2 – 237 – 4600 4600 El-Raghy et al. (2000)

Zr2SnC 6.9 – – 178 – 5080 El-Raghy et al. (2000)

Source: Barsoum, M. W. MAX Phases: Properties of Machinable Ternary Carbides and Nitrides. 2013. Copyright Wiley-VCH Verlag GmbH & Co. KGaA. Reproduced with permission.