Aircraft Materials and Processes 4 min read
Aluminum alloys
Aluminum has a long and successful history in aerospace. As far back as the 19th century, Count Ferdinand Zeppelin used…
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WHAT IS THE ROLE OF STEEL IN AIRCRAFT?
A good grasp of technical knowledge encompassing mechanical properties, chemical composition, and corrosion resistance of the material is crucial to…
Aircraft Materials and Processes 1 min read
Stress corrosion cracking
Stress on aircraft parts may be residual within the part as a result of the production process or externally applied…
Aircraft Materials and Processes 5 min read
Types of corrosion normally found on aircraft include
Uniform surface attack. This is the most common type and is caused simply by exposing the metal to oxygen in the…
Aircraft Materials and Processes 4 min read
Aircraft Corrosion
DVI’s Aircraft Corrosion Experts are capable of evaluating corrosion failures involving steels, stainless steels, copper alloys and aluminum alloys. Many cases require…
Aircraft Materials and Processes 4 min read
WHAT IS A COMPOSITE MATERIAL?
A composite material is a combination of two materials with different physical and chemical properties. When they are combined they…
Aircraft Materials and Processes 2 min read
Bauschinger effect
The Bauschinger effect refers to a property of materials where the material’s stress/strain characteristics change as a result of the microscopic stress distribution of…
Aircraft Materials and Processes 3 min read
Strain Hardening
After a material yields, it begins to experience a high rate of plastic deformation. Once the material yields, it begins…
Aircraft Materials and Processes 3 min read
What is Yield Strength?
Whether an object is stubborn or malleable is decided by the yield strength. It is the point at which an…
Aircraft Materials and Processes 6 min read
Difference between linear and nonlinear elastic material
A few years ago I wrote an article about various nonlinear material models. Since I’m a civil engineer to me the…
Aircraft Materials and Processes 3 min read
Imperfections of crystal structure
The simplest point defects are as follows: § Vacancy – missing atom at a certain crystal lattice position; § Interstitial impurity atom – extra impurity atom in…
Aircraft Materials and Processes 3 min read
X-Ray Diffraction (XRD)
The nondestructive nature of the X-ray Diffraction technique has made residual stress and austenite characterization a primary tool for process…