Search results
Results from the WOW.Com Content Network
AA 7039 is an aluminum alloy principally containing zinc (3.5–4.5%) as an alloying element. It is heat treatable wrought aluminum alloy . [ 1 ] It is used for making armour suites.
Plastic metal was a type of vehicle armour originally developed for merchant ships by the British Admiralty in 1940. The original composition was described as 50% clean granite of half-inch size, 43% of limestone mineral, and 7% of bitumen. It was typically applied in a layer two inches thick and backed by half an inch of steel.
Aluminum alloy reduces weight and provides protection against small arms rounds and shell splatter, while the steel plates can stop 12.7mm rounds. The turret is constructed of all-welded steel armor with composite plates, which gives all-around protection against 12.7mm rounds and shell splinters.
Forearm guard. May be solid metal or splints of metal attached to a leather backing. Bracers made of leather were most commonly worn by archers to protect against snapping bowstrings. Developed in antiquity but named in the 14th century. 'Vambrace' may also sometimes refer to parts of armour that together cover the lower and upper arms. Gauntlet
The M113 was the first aluminum hull combat vehicle to be put into mass production. Much lighter than earlier similar vehicles, its aluminum armor was designed to be thick enough to protect the crew and passengers against small arms fire, but light enough that the vehicle was air transportable and moderately amphibious.
Aluminium (or aluminum) metal is very rare in native form, and the process to refine it from ores is complex, so for most of human history it was unknown. However, the compound alum has been known since the 5th century BCE and was used extensively by the ancients for dyeing .
The side armor is also replaced with a net armour to protect the vehicle from anti tank weapons with shaped charges. CM-21A2 is predicted to be upgraded directly into an infantry fighting vehicle, and was tested with a French GIAT Dragar 25 mm gun turret, but it was not accepted; a simple command turret was also added for the testing.
Aluminium oxynitride (marketed under the name ALON by Surmet Corporation [3]) is a transparent ceramic composed of aluminium, oxygen and nitrogen.Aluminium oxynitride is optically transparent (≥80% for 2 mm thickness) in the near-ultraviolet, visible, and mid-wave-infrared regions of the electromagnetic spectrum.