Experiment No

Spray distance mm

Substrate rpm

Arc current A

Carrier gas flow Lit./min.

Powder flow rate Gms./min.

1

75

150

300

20

25

2

75

250

400

30

35

3

75

350

500

40

50

4

125

150

300

30

35

5

125

250

400

40

50

6

125

350

500

20

25

7

175

150

400

20

50

8

175

250

500

30

25

9

175

350

300

40

35

10

75

150

500

40

35

11

75

250

300

20

50

12

75

350

400

30

25

13

125

150

400

40

25

14

125

250

500

20

35

15

125

350

300

30

50

16

175

150

500

30

50

17

175

250

300

40

25

18

175

350

400

20

35