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Magnesium Alloys for Space Hardware Design
NTRS Full-Text: Click to View  [PDF Size: 923 KB]
Author and Affiliation:
Aroh, Joseph(University of Western Kentucky, NIFS Intern, Bowling Green, KY, United States)
Abstract: There have been advances in magnesium alloy development that NASA has not taken into consideration for space hardware because of a lack of test data. Magnesium alloys offer excellent weight reduction, specific strength, and deep space radiation mitigation. Traditionally, magnesium has been perceived as having too poor of a flammability resistance and corrosion resistance to be used for flight. Recent developments in magnesium alloying has led to the formation of two alloys, WE43 and Elektron 21, which are self-extinguishing and significantly less flammable because of their composition. Likewise, an anodizing process called Tagnite was formulated to deter any concern with galvanic and saltwater corrosion. The Materials Science Branch at Kennedy Space Center is currently researching these new alloys and treatments to better understand how they behave in the harsh environment of space. Successful completion of the proposed testing should result in a more thorough understanding of modern aerospace materials and processes, and possibly the permission to use magnesium alloys in future NASA designs.
Publication Date: Nov 20, 2017
Document ID:
20170011677
(Acquired Dec 13, 2017)
Subject Category: METALS AND METALLIC MATERIALS; SPACECRAFT DESIGN, TESTING AND PERFORMANCE
Report/Patent Number: KSC-E-DAA-TN50211
Coverage: Final Report
Document Type: Technical Report
Contract/Grant/Task Num: NNX13AJ45A
Financial Sponsor: NASA Kennedy Space Center; Cocoa Beach, FL, United States
Organization Source: NASA Kennedy Space Center; Cocoa Beach, FL, United States
Description: 10p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright; Use by or on behalf of the U.S. Government permitted
NASA Terms: CORROSION RESISTANCE; ELECTROCHEMICAL CORROSION; EXTRATERRESTRIAL RADIATION; FLAMMABILITY; MAGNESIUM ALLOYS; MECHANICAL PROPERTIES; SPACECRAFT CONSTRUCTION MATERIALS; WEIGHT REDUCTION; AEROSPACE INDUSTRY; CORROSION TESTS; METALLOGRAPHY; STRESS-STRAIN RELATIONSHIPS; TENSILE TESTS; WROUGHT ALLOYS
Other Descriptors: MAGNESIUM; ALLOY; MICROSTRUCTURE; TENSILE TESTING; HARDNESS; FLAMMABILITY; CORROSIO
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