Glossary entry

English term or phrase:

Saber (Onion ring)

Spanish translation:

anillos de capas concéntricas

Added to glossary by charlesink
Mar 13, 2009 07:58
15 yrs ago
English term

Saber (Onion ring)

English to Spanish Tech/Engineering Mechanics / Mech Engineering defectos en tubos
Piping defects
Saber (Onion ring)
Material adhered and co-rolled inside the pipe
Causes:
During the piercing process some onion rings of material such as burrs remain attached to the hollow (1). Occasionally these rings get loose and during the second rolling stage are imbedded into the internal tube surface (2).
Proposed translations (Spanish)
3 anillos de capas concéntricas

Proposed translations

2 hrs
Selected

anillos de capas concéntricas

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4 KudoZ points awarded for this answer. Comment: "Muchas gracias!!"

Reference comments

46 mins
Reference:

Material de apoyo

En la referencia de la wikipedia se explica el concepto y en esta otra hay muchos defectos de soldadura:

http://www.aendur.ancap.com.uy/eventos/2002/PAYEND 2005/DISC...

Al principio pensé en "laminaciones" pero éstas tienen forma alargada y de línea, mientras que las onion-rings son circulares...
Espero que te ayude, si se me ocurre algo más vuelvo después, ahora no puedo hacer más.

WIKIPEDIA:
"The stir zone (also nugget, dynamically recrystallised zone) is a region of heavily deformed material that roughly corresponds to the location of the pin during welding. The grains within the stir zone are roughly equiaxed and often an order of magnitude smaller than the grains in the parent material. [2] A unique feature of the stir zone is the common occurrence of several concentric rings which has been referred to as an ‘onion-ring’ structure. The precise origin of these rings has not been firmly established, although variations in particle number density, grain size and texture have all been suggested."
http://en.wikipedia.org/wiki/Friction_stir_welding
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