Table 1.

Material properties, mechanical properties, pore volumes, and oxygen contents of the different porous TiAl6V4 materials. The results of tensile, compression, and resonant ultrasound spectroscopy (RUS) tests are displayed in Roman, bold, and in italic fonts, respectively.

Material	Porosity		Mechanical properties				O2 content  [µg/g]
	Porosity 2D  [%]	Porosity 3D  [%]	E  [GPa]	UTS (UCS)   [MPa]	YS (CYS) [MPa]	ε f (ε c) [%]
“Small”	5 ± 1	—	101 ± 5	806 ± 2	707 ± 4	14 ± 2	1509
			109 ± 3	1358 ± 37	783 ± 16	26 ± 1
“Medium”	11 ± 1	—	93 ± 5	733 ± 24	628 ± 13	5 ± 3	2013
			92 ± 3	1341 ± 66	741 ± 18	26 ± 2
“Mix”	33 ± 5	29 ± 1	31 ± 6	95 ± 40	—	—	1918
			42 ± 2	623 ± 20	261 ± 10	25 ± 1
“Large”	34 ± 1	34 ± 1	18 ± 1	98 ± 10	—	—	1918
			21 ± 2	306 ± 7	152 ± 5	14 ± 1
Natural bone	—	—	10–30a	133c	—	—	—
			8–33 b	176d	130–180e

^a[4, 5, 18]; ^b[19, 20]; ^c[21]; ^d[22]; ^e[18].

CYS: compressive yield strength, E: Young's modulus, ε _f: elongation to fracture, ε _c: compressibility, UCS: ultimate compression strength, UTS: ultimate tensile strength, and YS: yield strength.