Repairing 2024 Aluminum Alloy via Electrospark Deposition Process: A Feasibility Study

Table 7

Tensile test for the as-received BM in T4 and T6 states, as-received BM notched, the untreated repaired samples, and heat-treated T_{135_2} and T_{190_6} repaired samples.

Sample	σy (MPa)	Fy (N)	UTS (MPa)	Maximum load (N)	ef (%)	S0 (mm^2)
2024-T4	339	8315.7	485	11,893	29	24.53
2024-T4 notched	346	7480.52	503	10,877	13.3	21.62
2024-T4 notched T135_2	213.3	4645.7	487.2	10610.9	12	21.78
2024-T4 repaired	257	6198.84	402	9696.24	9	24.12
2024-T4 repaired + T135_2	291	7245.9	419	10,440	10.1	24.9
2024-T4 repaired + T190_6	329.2	7966.64	442.5	10,202.2	5.51	24.2
2024-T6	482	11,852.4	516	12,691	16.4	24.59
2024-T6 notched	482	10,488.3	532	11,585	4.5	21.76
2024-T6 repaired	372	8965.2	439	10,579.9	4	24.1
2024-T6 repaired + T135_2	411	9913.32	455	10,973	4.2	24.12
2024-T6 repaired + T190_6	418.8	10,302.5	457.29	11,238.6	3.24	24.6