Investigation on Corrosion Behaviour of LM25-SiCp Composite Using Taguchi Method

Table 3

Design of experiments using Taguchi method and response (weight loss and corrosion rate).

Sl. No	No of hours specimens dipped in 3% NaCl.	% Vol of SiCp	Aging at 170°C for hrs.	Weight loss “gm.”	Corrosion rate “mpy”
1	144	10	8	0.002	1.772
2	144	15	16	0.003	1.329
3	144	20	24	0.003	2.658
4	288	10	16	0.003	1.329
5	288	15	24	0.004	1.772
6	288	20	8	0.006	0.886
7	432	10	24	0.005	2.215
8	432	15	8	0.004	1.772
9	432	20	16	0.003	1.329
			Min	0.002	0.886
			Max	0.006	2.658