Sinking (metalworking)

Steel doming block Flat steel doming block

Sinking, also known as doming, dishing or dapping, is a metalworking technique whereby flat sheet metal is formed into a non-flat object by hammering it into a concave indentation. While sinking is a relatively fast method, it results in stretching and therefore thinning the metal, risking failure of the metal if it is "sunk" too far.

Sinking is used in the manufacture of many items, from jewellery to plate armour.

## See also

* Planishing

## References

* Rupert Finegold and William Seitz. Silversmithing. Krause; 1983. ISBN 0-8019-7232-9
* Price, Brian R. Techniques of Medieval Armour Reproduction. Boulder, CO: Paladin Press, 2000. ISBN 1-58160-098-4

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Metalworking

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Forming, fabrication, and finishing

General|

* Fabrication
* Piece work
* Sheet metal

Forming processes|

* Coining
* Casting (metalworking)
* Drawing
* Electrohydraulic forming
* Electromagnetic forming
* Explosive forming
* Extrusion
* Forging
* Hydroforming
* Progressive stamping
* Punching
* Rolling
* Sinking
* Spinning
* Swaging
* Tube bending

Joining processes|

* Brazing
* Crimping
* Riveting
* Soldering
* Welding

Finishing processes|

* Anodizing
* Galvanizing
* Heat treating
* Mass finishing
* Patination
* Peening
* Plating
* Polishing

* Casting
* Fabrication
* Forming
* Jewellery
* Machining
* Metallurgy
* Smithing
* Tools and terminology
* Welding

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