Preparation method of aging-free high-beryllium copper strip with high strength and high hardness

The invention provides a preparation method of a high-strength and high-hardness aging-free high-beryllium copper strip. The preparation method comprises the following steps: preparing materials; the method comprises the following steps: smelting electrolytic copper, electrolytic nickel and electrol...

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Hauptverfasser: HAN JUNGANG, RAO XIAOFANG, CUI SHUHUI, ZHAO HONGYUN, YUE LIJUAN, JIAO XIAOLIANG, ZHANG BAOHUA
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Sprache:chi ; eng
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creator HAN JUNGANG
RAO XIAOFANG
CUI SHUHUI
ZHAO HONGYUN
YUE LIJUAN
JIAO XIAOLIANG
ZHANG BAOHUA
description The invention provides a preparation method of a high-strength and high-hardness aging-free high-beryllium copper strip. The preparation method comprises the following steps: preparing materials; the method comprises the following steps: smelting electrolytic copper, electrolytic nickel and electrolytic cobalt, and casting; the alloy melt is subjected to semi-continuous casting; carrying out heat preservation on the beryllium-copper alloy ingot at 810-840 DEG C for 15-18 hours, and then carrying out hot rolling; the beryllium copper strip blank is annealed at the temperature of 570-590 DEG C and then cooled to the temperature below 40 DEG C; the beryllium copper strip blank discharged out of the furnace is subjected to face milling and multiple times of cold rolling in sequence; intermediate annealing is conducted on the cold-rolled beryllium copper strip blank, and then cooling is conducted to 35 DEG C or below; performing cold rolling and cleaning on the cooled beryllium copper strip blank for multiple time
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language chi ; eng
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subjects ALLOYS
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS
MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
METALLURGY
METALLURGY OF IRON
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
PERFORMING OPERATIONS
PUNCHING METAL
ROLLING OF METAL
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title Preparation method of aging-free high-beryllium copper strip with high strength and high hardness
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