Surface Hardening of Ti-15V-3Al-3Cr-3Sn Alloy after Cyclic Hydrogenation and Subsequent Solution Treatment

Table 5

Variations in lattice constant and volume expansion rate between typical treatments.

Treatment	Variation
	Lattice constant (Å)	Lattice expansion	Volume expansion
A0	3.234	—	—
AT3 (versus A0)	3.233	−0.031%	−0.093%
AT3L4 (versus A0)	3.275	1.30%	3.90%
B0 (versus A0)	3.232	−0.062%	−0.186%
BT3 (versus B0)	3.231	−0.031%	−0.093%
BT3L4 (versus B0)	3.253	0.68%	2.04%
C0 (versus A0)	3.230	−0.124%	−0.372%
CT3 (versus C0)	3.229	−0.031%	−0.093%
CT3L4 (versus C0)	3.288	1.80%	5.40%