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2.5-2.8 Metals: stock forms, processes, specialist processes, surface treatments GapFill
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Forging is an alternative manufacturing process that involves heating metal to soften it and
it into the desired shape. Forging is suited to
production when being completed by a blacksmith.
is a metal manufacturing process that requires melting the metal and pouring it into a cavity of the desired shape. Sand casting uses sand to create the mould cavity. This process is usually done for larger objects in small quantities because the mould
. Powder metallurgy is another name for
. The process involves compressing
into shapes.
is a metal forming process used to press a 3D form into a sheet, such as car body panels. This is a process done in
, which increases the hardness of the work piece. Welding is a metal forming process used to join two pieces by
them together. Welding can be done by automated robotics, making it a cost-effective process for
production.
is a metal forming process used to produce shapes with an even cross-sectional shape. This process is efficient in most scales of production, due to the small set-up required. Complex shapes such as aluminium window frames require a detailed mould, which would require
production to be cost-effective. Metals sometimes need their properties changed to become more suitable for an application.
is a process that increases the hardness of metal by increasing the density of the structure. This process is suitable for
production.