Virtual Fatigue Behaviour Analysis of Coir Fibre-Reinforced PVC Composites

Table 7

Error analysis of the values procured from Soderberg’s relation and regression equation.

Fibre content (wt.%)	Fibre size (μm)	Chemical treatment	Fatigue limit (MPa) from Soderberg’s relation	Fatigue limit (MPa) from the regression equation	Error (%)
6	150	3	0.6125	0.5827	4.865306
2	150	1	0.9715	0.9985	-2.77921
4	150	2	1.697	1.7319	-2.05657
2	75	2	1.5565	1.546175	0.663347
6	225	2	1.355	1.362375	-0.54428
4	225	1	1.493	1.586225	-6.24414
4	225	3	1.0035	1.020025	-1.64674
4	150	2	1.8625	1.7319	7.012081
4	75	1	2.1885	2.168825	0.899018
4	75	3	1.4505	1.354225	6.637366
2	150	3	1.3835	1.4877	-7.53162
6	150	1	2.5595	2.4527	4.17269
4	150	2	1.6405	1.7319	-5.57147
6	75	2	1.882	2.004675	-6.51833
2	225	2	1.3975	1.271675	9.003578