Experimental Research on the Adhesion Characteristics of Clay to Structures with Different Materials

Table 2

Parameter of test cone.

Test cone	Steel	Iron	Copper	Aluminum	Plastics
Structural materials	304 steel	HT200 gray cast iron	H62 brass	7075 aluminum	Polyamide
Roughness	0.2-0.8 μm
Generatrix	35 mm
Top angle	54.4°
Cylinder diameter	32 mm
Cylinder height	30 mm
Cone area	1.6485·10^-3 m^2