Glossary for technical terms

Our coaxworks glossary contains technical terms that are relevant to our products, services and applications in the field of laser wire deposition.

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Most of the definitions used here can also be found here or at the individual country-specific standardisation institutes:

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There are currently 3 technical terms in this directory beginning with the letter D.
deposition rate

Similar term: application rate

The deposition rate means the ‘mass of metal deposited per unit of productive weld time’.

[ISO/TR 25901-1:2016-03, Welding and allied processes — Vocabulary — Part 1: General terms]

The welding consumable in our case is the wire material [EN 544]. The deposition rate is therefore the amount of molten filler wire per time - the deposition rate is therefore usually specified in kg/h.
dilution

The dilution means the ‘mixing of melted parent metal and deposited metal expressed as a ratio of the melted parent metal to the total melted mass’.

[ISO/TR 25901-1:2016-03, Welding and allied processes — Vocabulary — Part 1: General terms]
directed energy deposition (DED)

Directed energy deposition means ‘additive manufacturing process in which focused thermal energy is used to fuse materials by melting as they are being deposited’. ‘ “Focused thermal energy” means that an energy source (for example laser, electron beam or plasma arc) is focused to melt the materials being deposited.’

[ISO/ASTM 52900:2021, Additive manufacturing — General principles — Fundamentals and vocabulary]