Effect of Mechanical Vibration on Microstructure and Mechanical Properties of Gray Cast Iron in Lost Foam Casting

Table 4

Effect of mechanical amplitude on the tensile properties of gray cast iron.

Amplitude (mm)	Sample
	Sample 1		Sample 2		Sample 3		Average
	Tensile strength (MPa)	Elongation (%)	Tensile strength (MPa)	Elongation (%)	Tensile strength (MPa)	Elongation (%)	Tensile strength (MPa)	Elongation (%)
0	117.3	0.65	115.8	0.60	116.4	0.61	116.5	0.62
2	145.7	1.23	148.2	1.16	148.6	1.15	147.5	1.18
3	128.9	0.77	132.1	0.81	129.6	0.79	130.2	0.79
4	110.2	0.76	107.4	0.73	107.6	0.76	108.4	0.75