Experimental Analysis of Residual Stress and Bending Strength of Gear Tooth Surface after Shot Peening Treatment

Table 17

Stability test data.

No.	Sample no.	Load value (kN)	Lifetime (N × 10^5)
1	A13-2-75	75	3.83	75.00000	—
2	A13-1-74	74	30.00	74.50000	0.006710
3	A12-1-75	75	3.49	74.66667	0.002232
4	A13-3-74	74	30.00	74.50000	0.002240
5	A12-2-75	75	3.54	74.60000	0.001340
6	A16-1-74	74	6.09	74.50000	0.001340
7	A6-3-73	73	30.00	74.28571	0.002880
8	A14-2-74	74	3.57	74.25000	0.000480
9	A20-1-73	73	30.00	74.11111	0.001870
10	A20-2-74	74	30.00	74.10000	0.000150
11	A20-3-75	75	1.65	74.18182	0.001103
12	A14-1-74	74	6.25	74.16667	0.000200
13	A6-4-73	73	7.89	74.07692	0.001210
14	A4-4-72	72	30.00	73.92857	0.002010
15	A12-4-73	73	30.00	73.86667	0.000840
16	A20-2-74	74	30.00	73.87500	0.000113