Purity Effect of High-Strength Steel on Failure Behavior of Automobile Front Axle

Table 2

Sample type, position, and number.

Sample number		Sample position	Description	Application
Steel A	X-1	Leaf spring	Crack	Crack sample, low magnification etch experiment sample
	X-2	Leaf spring	Normal	Low magnification etch experiment sample
	X-3	I-shaped	Crack	Crack sample、low magnification etch experiment sample
	X-4	I-shaped	Normal	Low magnification etch experiment sample
Steel B	Y-1	I-shaped	Crack	Crack sample, low magnification etch experiment sample
	Y-2	I-shaped	Normal	Low magnification etch experiment sample
	Y-3	The thinner side of leaf spring	Crack	Crack sample, low magnification etch experiment sample
	Y-3-1	The thicker side of leaf spring		Low magnification etch experiment sample
	Y-4	Leaf spring	Normal	Low magnification etch experiment sample