AMT 102 FINAL STUDY GUIDE
Anode - Answers - electrode where galvanic reactions generate electrons. Corrosion
occurs more in the anode
Cathode - Answers - Electrode that receives electrons and is less likely to corrode
Water break test - Answers - process of pouring water onto a surface and observing
the results in order to determine that a bonded surface has sufficient surface energy to
achieve proper adhesion
inter-granular corrosion - Answers - attack along the edges of an alloy and commonly
results from a lack of uniformity in the alloy structure. Aluminum alloys and some
stainless steels are particularly susceptible to this form of electrochemical attack.
aluminum alloys are made of extremely fine grains of aluminum and it's alloying
elements. When heated to high temperatures these alloying elements form a solid with
aluminum, you have to quench the metal with cold water immediately after you heat it.
stress corrosion and cracking - Answers - Occurs under continuous tensile stress,
cracks caused by this grow rapidly
Aliphatic naphtha - Answers - recommended for wipe down of cleaned surfaces just
before painting. This material can also be used for cleaning acrylics and rubber. It
flashes at approximately 80 °F and must be used with care.
Aromatic naphtha - Answers - Aromatic naphtha must not be confused with the
aliphatic material. It is toxic, attacks acrylics and rubber products, and must be used
with adequate controls. and has a good smell
Fayed surfaces - Answers - the metal that is covered in a lap joint
don't allow corrosive cleaners to seep through into the fayed surfaces
fretting corrosion - Answers - a particularly damaging form of corrosive attack that
occurs when two mating surfaces, normally at rest with respect to one another, are
subject to slight relative motion. It is characterized by pitting of the surfaces and the
generation of considerable quantities of finely divided debris.
anodized surface - Answers - the part to be treated forms the anode electrode of an
electrolytic cell. Anodizing increases resistance to corrosion and wear, and provides
better adhesion for paint primers and glues than bare metal does. Anodic films can also
be used for several cosmetic effects, either with thick porous coatings that can absorb
dyes or with thin transparent coatings that add interference effects to reflected
light.Anodic films are most commonly applied to protect aluminium alloys, although
processes also exist for titanium, zinc, magnesium, niobium, zirconium, hafnium, and
tantalum. Iron or carbon steel metal exfoliates when oxidized under neutral or alkaline
micro-electrolytic conditions
Anode - Answers - electrode where galvanic reactions generate electrons. Corrosion
occurs more in the anode
Cathode - Answers - Electrode that receives electrons and is less likely to corrode
Water break test - Answers - process of pouring water onto a surface and observing
the results in order to determine that a bonded surface has sufficient surface energy to
achieve proper adhesion
inter-granular corrosion - Answers - attack along the edges of an alloy and commonly
results from a lack of uniformity in the alloy structure. Aluminum alloys and some
stainless steels are particularly susceptible to this form of electrochemical attack.
aluminum alloys are made of extremely fine grains of aluminum and it's alloying
elements. When heated to high temperatures these alloying elements form a solid with
aluminum, you have to quench the metal with cold water immediately after you heat it.
stress corrosion and cracking - Answers - Occurs under continuous tensile stress,
cracks caused by this grow rapidly
Aliphatic naphtha - Answers - recommended for wipe down of cleaned surfaces just
before painting. This material can also be used for cleaning acrylics and rubber. It
flashes at approximately 80 °F and must be used with care.
Aromatic naphtha - Answers - Aromatic naphtha must not be confused with the
aliphatic material. It is toxic, attacks acrylics and rubber products, and must be used
with adequate controls. and has a good smell
Fayed surfaces - Answers - the metal that is covered in a lap joint
don't allow corrosive cleaners to seep through into the fayed surfaces
fretting corrosion - Answers - a particularly damaging form of corrosive attack that
occurs when two mating surfaces, normally at rest with respect to one another, are
subject to slight relative motion. It is characterized by pitting of the surfaces and the
generation of considerable quantities of finely divided debris.
anodized surface - Answers - the part to be treated forms the anode electrode of an
electrolytic cell. Anodizing increases resistance to corrosion and wear, and provides
better adhesion for paint primers and glues than bare metal does. Anodic films can also
be used for several cosmetic effects, either with thick porous coatings that can absorb
dyes or with thin transparent coatings that add interference effects to reflected
light.Anodic films are most commonly applied to protect aluminium alloys, although
processes also exist for titanium, zinc, magnesium, niobium, zirconium, hafnium, and
tantalum. Iron or carbon steel metal exfoliates when oxidized under neutral or alkaline
micro-electrolytic conditions
