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hardfacing: A surfacing variation in which hard material is deposited to reduce wear.
revestimiento duro: Una variaci n de revestimiento en la que material es depositado en la superficie para reducir el desgaste.
heat-affected zone (HAZ): The portion of the base metal whose mechanical properties or microstructure have been altered by the heat of welding, brazing, soldering, or thermal cutting.
zona afectada por el calor: Aquella porci n del metal de base cuyas propiedades mec nicas o su micro-estructura han sido alteradas por el calor creado al soldar o al cortar termicamente.
hexagonal close packed (HCP): A unit cell in which two hexagons (six-sided shapes) form the top and bottom of the prism. An atom is located at the center and at each point of the hexagon. Three atoms, one at each point of a triangle, are located between the top and bottom hexagons. Among the common HCP metals are zinc, cadmium, and magnesium.
red hexagonal centrada en las caras: Una celda en la que dos hex gonos forman las bases de un prisma. Las doce esquinas llevan sendos tomos, un tomo ocupa el centro del prisma, y tres tomos m s ocupan las tres esquinas de un tri ngulo localizado en medio de las dos bases hex gonales. Entre los materiales con este tipo de estructura tomica se hallan el cinc, el cadmio y el magnesio.
high carbon steel: See also carbon steel.
acero a alto crbono: V ase debajo de la definici n en ingl s de "carbon steel."
horizontal welding position: In a fillet weld, the...

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Welding Essentials: Questions & Answers, Second edition

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