An Investigation into a Gear-Based Knee Joint Designed for Lower Limb Prosthesis

Table 3

Properties of the materials.

Material	Property
	Elastic modulus; (N/m^2)	Poisson’s; ratio	Shear modulus; (N/m^2)	Tensile strength; (N/m^2)	Yield strength; (N/m^2)
Aluminum alloy 1060-H16	6.9e+010	0.33	2.6e+010	110000000	105000000
Alloy steel (SS)	2.1e+011	0.28	7.9e+010	723825617	620421998
Copper alloy—brass	1e+011	0.33	3.7e+010	478413000	239689000
Alloy steel AISI 4140	2.1e+011	0.28	7.9e+010	723825617	620421998