Table 4.

FSW parameters of the PLA Plus and HDPE for welded.

No	Pin Profile	Tool speed (rpm)	Traverse speed (mm/min)	Material	UTS (MPa)	Weld efficieny (%)
	Base	–	–	PLA Plus	30.72
	Base	–	–	HDPE	30.5
1	Triangle	1000	30	PLA Plus/PLA Plus	31.93	103.94
2	Triangle	1000	50		14.95	48.67
3	Triangle	1500	30		42.12	136.99
4	Triangle	1500	50		39.39	128.11
5	Square	1000	30		30.19	98.27
6	Square	1000	50		23.03	74.86
7	Square	1500	30		28.7	93.42
8	Square	1500	50		32.09	104.46
9	Triangle	1000	30	HDPE/HDPE	16.27	53.34
10	Triangle	1000	50		19.69	64.56
11	Triangle	1500	30		17.75	58.2
12	Triangle	1500	50		7.63	25.02
13	Square	1000	30		17.38	56.98
14	Square	1000	50		11.19	36.69
15	Square	1500	30		20.34	66,69
16	Square	1500	50		13.21	43.31
17	Triangle	1000	30	PLA Plus/HDPE	–	–
18	Triangle	1000	50		–	–
19	Triangle	1500	30		–	–
20	Triangle	1500	50		–	–
21	Square	1000	30		–	–
22	Square	1000	50		–	–
23	Square	1500	30		–	–
24	Square	1500	50		–	–

UTS: Ultimate Tensile Strength.