Effect of Nd Addition on the Microstructure and Martensitic Transformation of Ni-Ti Shape Memory Alloys

Table 1

Lattice parameters of Ni-Ti-Nd alloys.

Alloy	Phase	𝑎 (nm^3)	𝑏 (nm^3)	𝑐 (nm^3)	𝛽 (°)	𝑉 (nm^3)	Source
Nd0	M	0.2898	0.4121	0.4619	97.86	0.05464	This work
Nd1	M	0.2904	0.4123	0.4920	98.11	0.05475
	A	0.3009				0.02724
Nd3	M	0.2939	0.4124	0.4639	98.39	0.05562
	A	0.3017				0.02747
Nd7	M	0.2940	0.4136	0.4650	99.25	0.05579
	A	0.3021				0.02757
Nd20	M	0.2948	0.4170	0.4657	99.48	0.05645
	A	0.3026				0.02771
NiTi	M	0.2898	0.4108	0.4646	97.78	0.05480	JCPDF card; number 65-0145
	A	0.3007				0.02719	JCPDF card; number 65-4572
NiTi2		1.131				1.4503	JCPDF card; number 72-0442
NiNd		0.3803	1.046	0.4339		0.17262	JCPDF card; number 19-0818