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1. WO2018147717 - COPPER ALLOYS WITH A LOW LEAD CONTENT

Publication Number WO/2018/147717
Publication Date 16.08.2018
International Application No. PCT/MX2018/000010
International Filing Date 02.02.2018
IPC
C22C 9/04 2006.1
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
9Alloys based on copper
04with zinc as the next major constituent
CPC
C22C 9/04
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
9Alloys based on copper
04with zinc as the next major constituent
C22F 1/08
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
1Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
08of copper or alloys based thereon
Applicants
  • NACIONAL DE COBRE, S.A. DE C.V. [MX]/[MX]
Inventors
  • RODRÍGUEZ ANGOLI, Jaime
  • ROSAS FRANCO, Julio Alberto
  • MONTOYA RODRÍGUEZ, Roberto
Agents
  • PÉREZ ZEA, José Pablo
Priority Data
MX/a/2017/00195510.02.2017MX
Publication Language Spanish (es)
Filing Language Spanish (ES)
Designated States
Title
(EN) COPPER ALLOYS WITH A LOW LEAD CONTENT
(ES) ALEACIONES DE COBRE BAJAS EN PLOMO
(FR) ALLIAGES DE CUIVRE À FAIBLE TENEUR EN PLOMB
Abstract
(EN) The invention relates to a copper-zinc alloy with a low lead content, as well as a method for producing same. The obtained alloy permits the reduction of the quantity of beta phase generated, and in this way, the materials suffer less degradation through loss of zinc during their exposure to stagnant or slow-moving water, or slightly acidic water.
(ES) La invención proporciona una aleación de cobre-Zinc con bajo contenido de plomo, así como un proceso de fabricación de la misma. La aleación obtenida permite restringir la cantidad de fase Beta generada y de esta manera los materiales sufren el menor deterioro por perdida de Zinc durante su exposición a aguas estancadas, de poco movimiento o aguas ligeramente ácidas.
(FR) L'invention concerne un alliage de cuivre-zinc à faible teneur en plomb, ainsi qu'un procédé de fabrication de celui-ci. L'alliage obtenu permet de restreindre la quantité de phase bêta générée et de cette manière les matériaux résistent mieux à la détérioration par perte de zinc durant leur exposition à des eaux stagnantes, à faible mouvement ou des eaux légèrement acides.
Latest bibliographic data on file with the International Bureau