Si₃N₄ Nanoparticle Addition to Concentrated Magnesium Alloy AZ81: Enhanced Tensile Ductility and Compressive Strength

Table 2

Phase detection results of AZ81/Si₃N₄ nanocomposite and Si₃N₄ nanoparticle reinforcement based on selected area electron diffraction (TEM). (Prior to tensile/compressive testing).

𝑘 space; (nm^−1)	𝑑; (Å)	Phase	Plane	Reference 𝑑; (Å)	JCPDS card #
		AZ81/1.5 vol% Si3N4 nanocomposite
39.40	1.595	Al12Mg17	(6 2 2)	1.600	011128
46.00	1.366	Mg	(1 1 2)	1.366	350821
46.22	1.359	𝐌𝐠𝟑𝐍𝟐	(7 2 1)	1.356	350778
60.86	1.032	Al3Mg2	(26 6 6)	1.033	290048
64.53	0.974	𝐒𝐢𝟑𝐍𝟒	(8 5 1)	0.973	401129
66.20	0.949	Mg	(2 0 4)	0.951	350821
71.70	0.876	Mg	(3 0 2)	0.873	350821
75.52	0.832	Mg	(1 0 6)	0.829	350821
78.31	0.802	Al2Mg	(1 5 6)	0.797	341035
		Si3N4 nanoparticle reinforcement
46.15	1.361	β Si3N4	(1 1 2)	1.358	331160
73.33	0.857	β Si3N4	(3 1 3)	0.856	331160