B - Aluminium glossary

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Backwardation

Backwardation is the term used to describe the situation at the London Metal Exchange (LME) when the spot price is higher than the 3-month futures...

Barrel finishing / Trowalising

Trowalising® or barrel finishing is a mechanical and chemical processing technology for the deburring and surface finishing of metal parts. The parts...

Bauxite

Bauxite describes different types of ore that have aluminium hydroxides as the main constituent. Bauxite is used as the raw material for the...

Bayer process

The Bayer process is by far the most commonly used method of extracting alumina from bauxite. The latter is dissolved in a solution of caustic soda...

Bayer, Karl Joseph

Karl Joseph Bayer, an Austrian chemist (1847-1904), patented a two-stage process for the production of alumina from bauxite in 1887 and 1892 (the so-...

BIC

Bank identifier code, or SWIFT address: a system used worldwide to identify banks.

Blanks

Blanks are the starting material for subsequent processing by bending, stamping or deep drawing. They have the advantage that their outer shape is so...

Blind rivets

Blind rivets are a form of riveted joint in which the rivet can be inserted and tightened from one side of a joint, eliminating the need for access...

Boron

Aluminium is alloyed with boron to increase the electric conductivity. This produces so-called ‘conductor-grade aluminium’. In the molten aluminium,...

Brazing and soldering

Brazing and soldering are techniques for joining, components that involve the use of a filler material whose melting point, is below that of the...

Brazing rod

Brazing rods are used in brazing, which is sometimes referred to as ‘hard soldering’. It provides the additional metal needed to join two parts using...

Brightening

Brightening is a form of surface treatment. The technique is used in particular to produce a mirror finish on refined aluminium and commercial-purity...