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High-strength highly-conductive low-calcium boron chromic zirconium copper alloy and method for manufacturing same

A zirconium-copper alloy and chromium-zirconium-copper technology, which is applied in the field of chromium-zirconium-copper alloy and its manufacture, can solve the problems of unbalanced performance and high performance value, and achieve good wear resistance, good machinability and high softening point effect

Active Publication Date: 2008-01-30
NINGBO POWERWAY ALLOY MATERIAL
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

It can be seen that the properties of these invented alloys have not reached a balance, and only a certain performance value is high and cannot meet the requirements.

Method used

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  • High-strength highly-conductive low-calcium boron chromic zirconium copper alloy and method for manufacturing same
  • High-strength highly-conductive low-calcium boron chromic zirconium copper alloy and method for manufacturing same
  • High-strength highly-conductive low-calcium boron chromic zirconium copper alloy and method for manufacturing same

Examples

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Embodiment Construction

[0020] The present invention is described in further detail below in conjunction with specific embodiment:

[0021] The production process of the rod (plate) wire rod of chromium-zirconium copper alloy in the embodiment of the present invention is as follows:

[0022] Raw material preparation and batching - alloying treatment vacuum casting or non-vacuum protection melting casting - ingot soaking - extrusion (or hot working) - (or cold working) - solid solution - pickling - cold working - Aging—(or pickling—cold processing)—inspection of the finished package (see Figure 1).

[0023] Specifically, it can be expressed as follows: prepare raw materials and ingredients according to the chemical composition of the alloy, use alloying treatment and vacuum melting casting or non-vacuum protection melting casting method to melt low calcium boron chromium zirconium copper alloy, so that chromium, zirconium, calcium, boron, etc. and copper form The master alloy is melted rapidly and ev...

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Abstract

The invention discloses a low-calcium boron-chromium-zirconium-copper alloy with high strength and high electrical conductivity and a preparation method thereof. The chemical components of the alloy are: 0.2-1.5wt percent of chromium, 0.02-0.3wt percent of zirconium, 0.0003-0.05wt percent of calcium, 0.0003-0.04wt percent of boron and 0.01-0.5wt percent of other components, wherein, other components are at least one of the elements of: galvanized iron, zinc, silicon, tin, niobium, antimony, bismuth and lead; the rest is copper and inevitable impurities. The preparation method comprises: alloy smelting, thermal extrusion with severe deformation, multilevel thermal treatment and multistage aging under the temperature between 320 DEG C and 480 DEG C for 1-6 hours. The obtained alloy is characterized by high intensity, high conductivity, high softening point, good wear-resistance performance, good welding ability and formability, which is applicable to the manufacturing field such as automobile, high speed train, household appliances, aerospace, electronic telecommunication, metallurgical continuous casting, motor, injection precision mold, etc.

Description

technical field [0001] The invention relates to a chromium-zirconium-copper alloy and a manufacturing method thereof, in particular to a high-strength, high-conductivity low-calcium-boron-chromium-zirconium-copper alloy and a manufacturing method thereof. It is especially suitable for manufacturing fields such as automobiles, high-speed trains, household appliances, aerospace, electronic telecommunications and metallurgical continuous casting, motors, injection molding precision molds, such as electrode contacts, electrode arms, motor commutators, switches, high-speed train contact wires , Connectors, terminals, relays and lead frame materials for electronic telecommunications. Background technique [0002] Copper is widely used in industry and daily life because of its excellent electrical conductivity, thermal conductivity, chemical stability and beautiful metallic luster, such as various electrical conductors, heat transfer devices and many decorations, artworks, utensils...

Claims

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Application Information

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IPC IPC(8): C22C9/00C22C1/03B22D21/00C22F1/08
Inventor 谢潇张明蔡洎华裴勇军刘庆熊承义
Owner NINGBO POWERWAY ALLOY MATERIAL
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