Table 8 Intuitive analysis Table.

From: Investigation of surface integrity in inconel 718 enhanced by heat treatment, ultrasonic impact and multi-media jet processing

Experimental parameters

Values

Surface roughness/µm

Surface microhardness/HV

Surface residual stress/MPa

ATT/℃

650

2.223

484.705

−927.49

670

1.788

511.24

−984.28

690

1.514

543.345

−1043.49

710

1.253

560.182

−1095.93

USF/Hz

100

1.953

514.43

−998.47

120

1.648

530.667

−1027.47

140

1.552

526.462

−1017.36

160

1.626

527.812

−1007.9

JP/MPa

20

1.680

528.025

−1011.62

25

1.566

535.435

−1030.91

30

1.671

524.15

−1008.06

35

1.862

511.822

−1000.61