Table 1 Results of five experiments for each launching condition.

From: Wear characteristics of armature surface and its thermal effects under different electromagnetic launch conditions

 

U/V

Sa

/µm

‾Sa

/µm

Sz

/µm

‾Sz

/µm

U/V

Sa

/µm

‾Sa

/µm

Sz

/µm

‾Sz

/µm

Different charging voltages

1900

9.79

9.82

552.89

552.99

2000

8.18

8.18

511.95

511.93

9.82

553.04

8.12

511.81

9.83

552.99

8.15

511.96

9.88

553.08

8.21

511.88

9.81

552.94

8.24

512.06

2100

8.41

8.46

491.59

491.68

2200

8.36

8.35

437.08

437.07

8.43

491.62

8.29

436.99

8.46

491.73

8.32

437.02

8.49

491.69

8.37

437.11

8.53

491.78

8.41

437.18

2300

7.99

7.99

414.26

414.23

2400

7.76

7.82

367.18

367.28

7.96

414.19

7.80

367.28

8.06

414.32

7.85

367.32

8.02

414.24

7.89

367.34

7.92

414.11

7.81

367.24

 

Sa0

/µm

Sa

/µm

Sa

/µm

Sz

/µm

Sz

/µm

Sa0

/µm

Sa

/µm

Sa

/µm

Sz

/µm

Sz

/µm

Different initial roughness

2.65

7.72

7.74

527.31

527.34

2.15

7.43

7.43

499.39

499.41

7.76

527.33

7.45

499.41

7.66

527.23

7.41

499.43

7.74

527.38

7.49

499.51

7.79

527.43

7.36

499.35

1.65

7.23

7.31

483.66

483.84

1.05

7.93

7.91

498.30

498.31

7.32

483.81

7.81

498.22

7.29

483.82

7.99

498.41

7.36

483.93

7.92

498.36

7.33

483.89

7.88

498.27

0.55

8.36

8.31

515.09

514.91

0.25

8.86

8.88

544.43

544.44

8.31

514.91

8.88

544.46

8.23

514.83

8.96

544.56

8.33

514.95

8.68

544.35

8.29

514.87

8.90

544.43

0.15

9.66

9.58

577.38

577.25

0.05

10.66

10.68

616.13

616.09

9.56

577.24

10.61

616.00

9.57

577.23

10.71

616.08

9.61

577.28

10.76

616.19

9.49

577.17

10.67

616.06