TABLE 2.

Peeling-off force of the coating on Al alloy 6101 with ZP modified and near epoxy aging at 90° angle.

Samples	θ/°	d/m	Neat epoxy			ZP modified epoxy
Time (months)			F/N	G/N.mˉ1	Degradation rate	F/N	G/N.mˉ1	Degradation rate
Without aging	90	9.7 × 10−3	0.144	14.7	—	0.223	22.8	—
November	90	9.7 × 10−3	0.133	13.6	5.4%	0.213	21.9	2.1%
December	90	9.7 × 10−3	0.130	13.3	8.8%	0.142	22.4	4%
January	90	9.7 × 10−3	0.126	12.9	11.1%	0.215	22.0	5.5%
February	90	9.7 × 10−3	0.164	14	3.4%	0.209	21.4	1.7%
March	90	9.7 × 10−3	0.131	13.5	6.1%	0.221	22.4	2.9%
April	90	9.7 × 10−3	0.128	13.1	10.2%	0.213	21.9	3.2%
May	90	9.7 × 10−3	0.136	13.9	7.4%	0.207	21.6	3.0%
June	90	9.7 × 10−3	0.131	13.4	9.5%	0.216	22.1	3.9%
July	90	9.7 × 10−3	0.126	12.9	12.2%	0.214	21.9	6.1%
August	90	9.7 × 10−3	0.139	14.2	4.7%	0.209	21.4	1.3%
September	90	9.7 × 10−3	0.135	13.8	8.1%	0.221	22.5	2.6%
October	90	9.7 × 10−3	0.136	13.2	10.8%	0.217	22.2	3.9%