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

Table 2

Mechanical properties of alloy steels 18CrNi4A and 32Cr3MoVA.

	18CrNi4A	32Cr3MoVA
E/GPa	205.1	211
G/GPa	79.9	82.4
σ0.2/MPa	≥980	≥880
σb/MPa	1176–1274	1080–1280