Aluminum Alloys

Lyle, J. Paul; Granger, Douglas A.; Sanders, Robert E.

doi:10.1002/14356007.a01_481

Cited by 4 publications

(14 citation statements)

References 7 publications

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“…Pitting can be prevented by removing dissolved oxygen, the reducible species required for a cathodic reaction (Ghali, 2010). In the absence of dissolved oxygen, most pits stop growing and repassivate after a few days Lyle et al, 2005;Ghali, 2010).…”

Section: Pitting Corrosionmentioning

confidence: 99%

“…3-7.5), only about one third of the chlorides are removed after the aluminum is soaked for three days in distilled water (Berzins et al, 1977b). Although it is known that pits stop growing in the absence of dissolved oxygen Lyle et al, 2005;Ghali, 2010), there appear to be no systematic studies of chloride ion removal of archaeological marine aluminum using deaerated water. developed a treatment to remove chloride ions and plated metallic copper from a large 3.75 meter aluminum sea-plane float.…”

Section: Aqueous Treatment To Remove Chloride Ionsmentioning

confidence: 99%

“…This appendix summarizes these designations, and gives references that can be consulted for associated properties. Many properties depend on the metallurgical structure, which is controlled both by composition and processing (Lyle et al, 2005;Sanders, 2012). Most commercial aluminum alloys contain two or more alloying elements (elements in addition to aluminum), chosen to produce greater strength and fatigue and fracture resistance, improved casting characteristics, and increased corrosion resistance (Sanders, 2012;Eswara Prasad et al, 2014).…”

Section: Appendix 1: Aluminum Alloy Designationsmentioning

confidence: 99%

“…Most commercial aluminum alloys contain two or more alloying elements (elements in addition to aluminum), chosen to produce greater strength and fatigue and fracture resistance, improved casting characteristics, and increased corrosion resistance (Sanders, 2012;Eswara Prasad et al, 2014). For example, copper, magnesium, manganese, silicon, and zinc increase strength (Lyle et al, 2005), and magnesium and silicon also increase corrosion resistance (Kaufman, 2002). Alloying usually results in a lower melting point.…”

Section: Appendix 1: Aluminum Alloy Designationsmentioning

confidence: 99%

“…Alloying usually results in a lower melting point. Further information on the mechanical properties, key characteristics, and major applications of aluminum alloys can be found in Kaufman (2000), Kaufman (2002), Kissell and Ferry (2002), Lyle et al (2005), Sanders (2012), andEswara Prasad et al (2014) as well as online at the web sites for aluminum associations and institutes (Table 7). Table 8 lists the nine series for wrought aluminum alloys in the Aluminum Association's designation system and the main alloying elements (Kaufman, 2002).…”

Section: Appendix 1: Aluminum Alloy Designationsmentioning

confidence: 99%

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Aluminum: History, Technology, and Conservation

2019

Smithsonian Contributions to Museum Conservation

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The current volume brings together papers presented at the 2014 “Aluminum: History, Technology and Conservation” conference held at the Smithsonian Institution’s American Art Museum; the conference was followed by a hands-on workshop held at the National Air and Space Museum’s Steven F. Udvar-Hazy Center, which utilized the museum’s collections to illustrate aluminum’s use, conservation challenges, and repair techniques as well as to introduce participants to analytical techniques such as X-ray fluorescence for the identification of aluminum alloys and finishes. The three day international conference and two-day workshop were co-hosted with the Smithsonian Institution, the Foundation for the American Institute for Conservation and the International Council of Museums Committee for Conservation Metals Working Group. An unprecedented group of speakers, organizers, and sponsors made possible the first ever conservation conference solely dedicated to aluminum. The conference featured presentations by twenty-seven speakers from Europe, Asia, Australia, and North America who explored various aspects of degradation phenomena and conservation strategies for aluminum objects, from sculpture to aircraft, from nineteenth-century jewelry to underwater archaeological objects. The proceedings are divided into eight categories and represent the various themed sessions: the history and manufacturing of aluminum, corrosion and deterioration, characterization and identification, conservation of archaeological objects, conservation and use in contemporary art, conservation of architectural elements, surface treatments and inhibition, and preventative conservation.

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Section: Pitting Corrosionmentioning

confidence: 99%

Section: Aqueous Treatment To Remove Chloride Ionsmentioning

confidence: 99%

Section: Appendix 1: Aluminum Alloy Designationsmentioning

confidence: 99%

Section: Appendix 1: Aluminum Alloy Designationsmentioning

confidence: 99%

Section: Appendix 1: Aluminum Alloy Designationsmentioning

confidence: 99%

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Aluminum: History, Technology, and Conservation

2019

Smithsonian Contributions to Museum Conservation

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Compaction of Aluminium Foil and Its Effect on Oxidation and Recycling Yield

Vallejo-Olivares¹,

Philipson²,

Gökelma³

et al. 2021

The Minerals, Metals &Amp; Materials Series

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One of the problems when recycling aluminium is its oxidation and consequent metal loss. This is especially critical for the thin sheet/foil materials used for food packaging applications. Compacting the scrap into briquettes may partly reduce such losses in addition to facilitate transport and storage. Shredded aluminium materials of different thicknesses (15-300 µm) were compacted into cylindrical briquettes of 4 cm diameter, each weighting 20 g by uniaxial pressure or moderate-pressuretorsion. A sub-set of briquettes and chips was subsequently oxidized at 650 • C, while a sub-set was left untreated. Finally, all samples were re-melted under molten protective salt-flux. Compacting reduced the specific oxidation during the heat-treatment and promoted the coalescence and yield for the heat-treated materials. Both effects were most significant for the thinnest foil in the study (15 µm). The material thickness influenced the porosity and surface roughness of the resultant briquette, as well as the pressure required to reach a given bulk density.

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Metal Processes and Applications—An Overview

Meskers¹

2021

Principles of Metal Refining and Recycling

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This chapter provides a consise overview of each metal’s physical properties, production, and recycling processes and application. Starting with lithium and ending with bismuth, the metals in the periodic table are covered from Al to Zn. In this way the relationship between each metal’s properties, applications, and processing becomes evident. To obtain the desired properties, and thus composition, for a particular application the refining processes are essential. While the fundamental principles are discussed in other chapters, here the focus is on how the technologies are applied to different metals. The chapter also allows for a systemic perspective that elucidates the interconnectedness between the metals and their production infrastructure. It provides insights that can be applied in primary production, recycling, residue treatment, technology development, alloy and product design, and substitution among others. This is essential to understand and implement the circular economy.

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Aluminum Alloys

Abstract: The article contains sections titled: 1. Introduction 2. Metallurgy of Aluminum Alloys … Show more

Cited by 4 publications

References 7 publications

Aluminum: History, Technology, and Conservation

Aluminum: History, Technology, and Conservation

Compaction of Aluminium Foil and Its Effect on Oxidation and Recycling Yield

Metal Processes and Applications—An Overview

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