Development of High Modulus Corrosion Resistant Aluminum Alloys

The purpose of this research project was to develop high strength aluminum base alloys with increased modulus and corrosion resistance. In the first stage, processing parameters were established for the preparation of duplex alloys. A program of basic research has been undertaken with the overall go...

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Bibliographic Details
Main Authors: Koczak,Michael J, Deshmukh,Uday
Format: Report
Language:English
Subjects:
ADDITION
Aluminum alloy 7075
ALUMINUM ALLOYS
CHROMIUM
CORRELATION
CORROSION
CORROSION RESISTANCE
EXTRUSION
MAGNESIUM
MANGANESE
MECHANICAL PROPERTIES
MICROSTRUCTURE
PARAMETERS
POWDER METALLURGY
PROCESSING
Properties of Metals and Alloys
SILICON
TEST METHODS
ZINC
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Summary:The purpose of this research project was to develop high strength aluminum base alloys with increased modulus and corrosion resistance. In the first stage, processing parameters were established for the preparation of duplex alloys. A program of basic research has been undertaken with the overall goal of establishing quantitative processing-microstructure-mechanical behavior relationships in fully-dense Al-Zn-Mg/Mn modified alloys produced by powder metallurgy. Initial attention has been directed to Mn-Si and Mn-Cr modifications, powder processing, consolidation, mechanical property and corrosion response. Mechanical properties and microstructures have been characterized in the powder in extrusions and correlated with microstructures. Keywords: High modulus aluminum, Manganese addition, Aluminum alloy 7075, Extrusion, Corrosion testing, Microstructure correlation.