Characterization and Prediction of Cracks in Coated Materials: Direction and Length of Crack Propagation in Bimaterials

Table 1

Mechanical and chemical characteristics of materials.

(a) Mechanical properties

Material		S420MC (brut)	HE360DR (brut)	S420MC (galvanized)	HE360DR (galvanized)
Properties	Yield tensile strength (MPa)	366	460	450	514
	Ultimate tensile strength (MPa)	466	574	455	539

(b) Chemical analysis

	C (%)	Mn (%)	P (%)	S (%)	Si (%)	Al (%)	Nb (%)	V (%)	Ti (%)
S420MC	≤0.12	≤0.16	≤0.025	≤0.015	≤0.50	≤0.015	≤0.090	≤0.20	≤0.15
HE360DR	0.11	1.40	0.030	0.025	0.50	0.015–0.080	0.100	0.100	0.100