Wear Characteristics of the Material Specimen and Method of Predicting Wear in Floating Spline Couplings of Aero-Engine

Table 1

Chemical composition of alloy steels 18CrNi4A and 32Cr3MoVA.

Composition/wt%	C	Mn	Si	Ni	Cr	S	P	Al	V	Mo	Cu	Fe
18CrNi4A	0.17	0.47	0.15	3.93	0.90	0.005	0.009	0.055	—	—	—	94.311
32Cr3MoVA	0.34	0.60	0.38	0.06	3.07	0.002	—	—	0.26	0.99	0.07	94.228