Temsa TS 35 - 4. CORROSION & PREVENTIVE METHODS; What is Corrosion?; Causes of Corrosion; Corrosion Zones

4. CORROSION & PREVENTIVE METHODS
What is Corrosion?
Observation
Causes of Corrosion
Corrosion Zones
Corrosion is a state of deterioration in metals (steel, copper, zinc, aluminium and their
compounds) caused by oxidation or chemical action.
• Red rust in steel parts,
• White maculation on zinc parts,
• White maculation on Dacromet/Geomet coated parts,
• Green rust on copper parts,
• White maculation on aluminium parts.
• Noninterference to the scratches on the
painted areas of the vehicle on time,
• Nonobservence to the preventive
maintenance procedures,
• Nonobservence to the preventive actions
before winter season
• Hot and humid regions (eg. seaside)
• Cold and snowy regions (road deicing)
• Cold and rainy regions,
• Industrial zones
• Additonal applications to open the public
roads ( solid or liquid salt)
User Faults
Environmental Factors
Environmental and
geographical factors
determines the corrosion
factors.
Corrosion preventive
methods can be applied
into three main zones on
the vehicle;
Nonobservence to the rules
stated in user, workshop
warranty & service manuals
may cause corrosion.
ZONE B
ZONE A
B
A
ZONE C
C
1
2
Chasis (including luggage comp.)
ZONE B
Engine Compartment
ZONE A
B
A
Side pannel, and the rest of the
vehicle
ZONE C
C
TEMSA TS 35 |77Rev. 08/01.11.13