Research Article

Numerical Simulation of Galvanic Corrosion between Carbon Steel and Low Alloy Steel in a Bolted Joint

Table 7

Corrosion rate values as a function of bolt size, material, and electrolyte thickness.

Bolt sizeBolt material Corrosion rate of end plate (mm/yr)
Electrolyte thickness
= 1 mm
Electrolyte thickness
 mm
 mm mm

M1220MnCr54.553.654.704.40
42CrMo411.809.4012.3010.90
32CrMoV1314.1011.3015.2513.30

M1620MnCr55.104.105.555.20
42CrMo413.2510.7014.8013.20
32CrMoV1315.3012.5017.7015.60

M2020MnCr55.504.406.305.90
42CrMo414.4011.7017.0015.25
32CrMoV1316.1013.4019.6017.55