Nov 22, 2008 15:51
15 yrs ago
Spanish term

pirámide de rotura

Spanish to English Tech/Engineering Materials (Plastics, Ceramics, etc.) España
This is about tests carried out on refractory blocks for a furnace. I cannot even find the term in Spanish on the internet.

• Los ensayos realizados a 800 °C de las probetas de la zona fría, muestran que a esa temperatura la resistencia a compresión es del orden de un 60% superior que a temperatura ambiente.

• Esto es consecuencia de ía activación de procesos plásticos a nivel local, que cierran poros y grietas aumentando la resistencia mecánica del material.

• No obstante, el comportamiento macroscópicamente sigue siendo elástico y lineal hasta rotura, con una rotura frágil del material, que viene acompañada de las **pirámides de rotura** similares a las de temperatura ambiente

Any suggestions?

Discussion

psicutrinius Nov 22, 2008:
Lo que yo conocía es la "fractura concoidea", es decir, en cono (imperfectísimo, claro), no piramidal.
Lesley Clarke (asker) Nov 22, 2008:
resistencia a compresión, por lo que veo
psicutrinius Nov 22, 2008:
Es ensayo de tracción / compresión / fatiga térmica...?

Proposed translations

2 hrs
Selected

fracture pyramids/peaks

Me parece que cuando se habla de materiales de construcción su rotura sería en realidad una fractura del material, lo de pirámides podría ser "fracture peaks" tambiém
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4 KudoZ points awarded for this answer. Comment: "Thanks for all the help"
3 hrs

pyramid-like fracture / pyramidal surface fracture

Otras opciones.

"The factor 0.375 is represented the median between the two. Moreover the diamond pyramid number (DPN) was defined as P/A` , where A` is the ***pyramidal surface*** of the indent." (page 56)

http://www.freewebs.com/mattaria1/Introduction 2007-12.pdf

"Even worse, if the substrate has ***pyramidal surface*** irregularities, both impact induced and thermally induced stress concentrates at the peaks of the pyramids."

http://www.freepatentsonline.com/5355969.html

¡Saludos! :-)

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Reference comments

34 mins
Reference:

pyramids

I don't think it fits in, but am posting it just in case. Link is terribly long, I'm afraid.

Melting point
Temperature at which a ‘test pyramid’ (cone) fails to support its own weight
Size
Affects stability of furnace structure
Bulk density
Amount of refractory material within a volume (kg/m3)
High bulk density = high volume stability, heat capacity and resistance



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Note added at 35 mins (2008-11-22 16:27:01 GMT)
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http://64.233.169.132/search?q=cache:fIwDyM2GPnUJ:www.retscr...
Peer comments on this reference comment:

agree psicutrinius : Yes, these are the "SEGER cones" (conos SEGER, in Spanish). But no pyramids... which is what has thrown me off balance too. Besides, nothing to do with breaking here. Melting point only
3 mins
Thanks. You obviously understand it; I just googled!
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