Electroless Ni-P Coatings: Preparation and Evaluation of Fracture Toughness and Scratch Hardness

Table 2

Nickel, phosphorus and Al₂O₃ contents in coatings by weight.

Coatings	Ni (%)	P (%)	Al2O3 (%)
Ni-8%P	92.3 ± 0.5	7.7 ± 0.5	—
Ni-10%P	89.7 ± 0.2	10.3 ± 0.2	—
Ni-1%P/Al2O3	62.0 ± 0.4	7.3 ± 0.4	30.7 ± 0.4