CORROSION |
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Stress Corrosion Corrosion Fatigue Fretting Corrosion Heat Treatment |
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Corrosion Fatigue |
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Failure of a part when it is exposed simultaneously to corrosive attack and cyclic stresses is called corrosion fatigue. This type corrosion seems to begin at localized areas on the metal surface when the protective film on the part is reftured by the push - pull bending induced by cyclic stesses. |
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The corrosive agent attacks the vulnerable localized area, causing a fissure ( corrosion fit ) to form. The pit continues to deepen until the part is so weakened that ultimate in cracking occurs the part breaks. This simple explanation does not intend to imply that only one pit per part is allowed. However, since the corrosion is highly localized, most of the part will be unaffected. Unfortunately, this is of little consolation if the part breaks. Fretting Corrosion.. read more... |
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| Corrosion of ferrous metals. | |||
| One of the most familiar types of corrosion is ferrous oxide,.. | |||
| Corrosion of aluminum and aluminum alloys. | |||
| Corrosion attack on aluminum surfaces is usually quite obvious,. | |||
| Corrosion of magnesium alloys. | |||
| Magnesium is the most chemically active of the metals used,. | |||
| Treatment of titanium and titanium alloys. | |||
| Attack on titanium surfaces is generally difficult to detect | |||
| Protection of dissimilar metal contacts. | |||
| Certain metals are subject to corrosion when placed in contact with other metals | |||
| Processes and materials used in corrosion control | |||
| Aircraft parts are almost always given some type surface finish | |||
| Chemical treatment. | |||
| Parco Lubrizing in a chemical treatment for iron and steel parts | |||
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