=+nickel in the alloyed layer is affected by carbon monoxide powder paste thickness (A, at three levels), scanning speed (B, at three levels), and laser power (C, at three levels). One observation was made at each factor-level combination (Note:

Thickness column headings were incorrect in the cited article):

Paste Thickness Power Speed .2 .3 .4 600 600 38.64 35.13 19.20 900 38.16 34.24 26.23 1200 37.54 33.46 30.44 700 600 36.56 35.91 34.62 900 39.16 33.10 28.71 1200 37.06 31.78 21.50 800 600 39.44 40.42 37.21 900 39.34 37.64 35.65 1200 39.30 34.97 32.50