Metal matrix composite laser metal deposition for ballistic application

The armour development industry uses ceramic tiles to provide effective ballistic protection to critical areas of military vehicles. The ceramic tiles are generally attached to a ductile backing material by means of an adhesive, which often incorporates defects that are undesirable for ballistic pro...

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Vydáno v:IOP conference series. Materials Science and Engineering Ročník 430; číslo 1; s. 12001 - 12007
Hlavní autoři: Adam, R, Botes, A, Corderley, G
Médium: Journal Article
Jazyk:angličtina
Vydáno: Bristol IOP Publishing 02.10.2018
Témata:
Acoustic velocity
Armor
Ceramic bonding
Ceramics industry
Diamond pyramid hardness
Fiber lasers
Industrial development
Laser beam cladding
Laser deposition
Lasers
Metal matrix composites
Military vehicles
Process parameters
Solidification
Tiles
Tungsten carbide
ISSN:1757-8981, 1757-899X, 1757-899X
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Shrnutí:The armour development industry uses ceramic tiles to provide effective ballistic protection to critical areas of military vehicles. The ceramic tiles are generally attached to a ductile backing material by means of an adhesive, which often incorporates defects that are undesirable for ballistic protection. Laser cladding provides a more efficient approach for applying a ceramic material onto a ductile backing through metallurgically bonding the materials. A 3kW, IPG fiber laser system was used to manufacture test coupons to investigate the process parameters for the laser metal deposition of a tungsten carbide (chemical formula WC) metal matrix material onto an Armox 500 backing material. Results show that good fusion to the base material with limited solidification cracking can be achieved. Vickers microhardness and sound velocity results showed satisfactory results for a ballistic application.
Bibliografie:ObjectType-Article-1
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ISSN:1757-8981
1757-899X
1757-899X
DOI:10.1088/1757-899X/430/1/012001