Electroless Nickel Technical Data
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ELECTROLESS NICKEL TECHNICAL DATA
Property
Low-Phosphorus
Mid-Phosphorus
High-Phosphorus
Composition
3 to 4% P, balance Ni
6 to 9% P, balance Ni
11 to 12% P, balance Ni
Structure
Micro- crystalline
Mixed crystalline and amorphous
Amorphous
Internal Stress
-10 MPa
+40 MPa
-20 MPa
Final Melting Point
1275º C
1000º C
880ºC
Density
8.6 g/cm3
8.1 g/cm3
7.8 g/cm3
Coefficient of Thermal Expansion
12.4 m m/m-º C
13 m m/m-º C
12.0 m m/m-º C
Electrical Resistivity
30 mW - cm
75 mW -cm
100 mW - cm
Thermal Conductivity
0.6 Wcm-K
0.05 W/cm-K
0.08 W/cm-K
Specific Heat
1,000 J/kg-K
ND
460 J/kg-K
Magnetic Coercivity
10,000 A/m
110 A/m
0
Tensile Strength
300 MPa
900 MPa
800 MPa
Ductility
0.70%
0.70%
1.50%
Modulus of Elasticity
130 GPa
100-120 GPa
170 GPa
Hardness, as deposited
700 HV100
600 HV100
530 HV100
Hardness, heat treated
960 HV100
1000 HV100
1050 HV100
Coefficient of Friction
ND
0.38
0.45
Taber Wear Index, as deposited
11 mg/1,000 cycles
16 mg/1,000 cycles
19 mg/1,000 cycles
Taber Wear Index, heat treated
9 mg/1,000 cycles
12 mg/1,000 cycles
12 mg/1,000 cycles
Corrosion Protection, salt fog resistance
24 hours
96 hours
1,000 hours

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