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A light metal is any metal of relatively low density. [1] These may be pure elements, but more commonly are metallic alloys. Lithium and then potassium are the two lightest metallic elements. Magnesium, aluminium and titanium alloys are light metals of significant commercial importance. [2]
This is a list of named alloys grouped alphabetically by the metal with the highest percentage. Within these headings, the alloys are also grouped alphabetically. Some of the main alloying elements are optionally listed after the alloy names.
Al–Li alloys are primarily of interest to the aerospace industry for their weight advantage. On narrow-body airliners, Arconic (formerly Alcoa) claims up to 10% weight reduction compared to composites, leading to up to 20% better fuel efficiency, at a lower cost than titanium or composites. [8]
This page lists metals, with subdivisions for alloys and specialised subsets of metal and metal-based compounds. Subcategories This category has the following 20 subcategories, out of 20 total.
A durable silvery metal; very light and extremely strong. Mithril means "grey gleam", but is translated as "true silver". [47] It is mined in native form in Moria. It can also be worked into other forms with unusual properties such as reflecting only the light of the Moon. The fictional metal has appeared in other fantasy universes, games, and ...
Like the periodic table, the list below organizes the elements by the number of protons in their atoms; it can also be organized by other properties, such as atomic weight, density, and electronegativity. For more detailed information about the origins of element names, see List of chemical element name etymologies.
The most common lightweight metals are aluminium [12] [13] and magnesium [14] [15] alloys. Schematic appearance of round metal bars after tensile testing. (a) Brittle fracture (b) Ductile fracture (c) Completely ductile fracture. Metals are typically malleable and ductile, deforming under stress without cleaving. [10]
41 of the 118 known elements have names associated with, or specifically named for, places around the world or among astronomical objects. 32 of these have names tied to the places on Earth, and the other nine are named after to Solar System objects: helium for the Sun; tellurium for the Earth; selenium for the Moon; mercury (indirectly), uranium, neptunium and plutonium after their respective ...