Abstract
Metal matrix composites (MMCs) are increasingly being used in engineering applications. Evolution of mechanical properties and structural integrity over a long period of service life is of great interest for composites. This chapter discusses the corrosion behavior of composites of aluminum, magnesium, titanium, lead, and zinc. Aluminum, magnesium, and titanium are a group of light metals that are of great interest to structural, transportation, and aerospace applications. Their corrosion behavior in long-term usage is of great interest to current and potential application. Lead and zinc are heavy metals, which are used in engineering applications and in galvanic protection of steel. Composites of these metals with high mechanical properties are synthesized to reduce structural weight. In composites, the presence of reinforcement causes formation of a galvanic couple, where either reinforcement or the matrix may preferentially corrode. In addition, the corrosion may be accelerated by environmental factors, such as aeration, salt, and temperature. Corrosion mechanisms and possible solutions are discussed in this chapter.
Original language | English (US) |
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Title of host publication | Comprehensive Composite Materials II |
Publisher | Elsevier |
Pages | 287-312 |
Number of pages | 26 |
ISBN (Electronic) | 9780081005330 |
ISBN (Print) | 9780081005347 |
DOIs | |
State | Published - Jan 1 2017 |
Keywords
- Aerospace applications
- Aluminum
- Corrosion behavior of composites
- Corrosion fatigue cracking
- Corrosion mechanisms
- Dissolution
- Hydrogen induced cracking
- Leaching
- Magnesium
- Reactive phases
- Stress corrosion cracking
- Structural
- Titanium
- Transportation
ASJC Scopus subject areas
- General