A multi-component microalloyed high-strength and high-conductivity copper alloy and its preparation process
A technology of micro-alloying and preparation process, applied in the direction of metal/alloy conductors, conductors, conductive materials, etc., can solve the problems of inability to meet production requirements, poor resistivity of copper alloy conductors, and poor tensile strength of breaking force and other properties. To achieve the effect of reasonable design, excellent resistivity, and meeting production needs
Active Publication Date: 2018-12-11
CHANGZHOU HENGFENG SPECIAL CONDUCTOR CO LTD
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Problems solved by technology
In recent years, with the increase of production requirements, the resistivity, breaking force and tensile strength of traditional copper alloy conductors are poor, which cannot meet the production needs.
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Embodiment 1
[0031] A multi-component micro-alloyed high-strength and high-conductivity copper alloy is characterized in that: its composition is:
[0032]
[0033] The preparation process of this multi-component micro-alloyed high-strength and high-conductivity copper alloy has the following steps:
[0034] (1), prepare batching, prepare copper-chromium alloy, copper-zirconium alloy, copper-magnesium alloy and copper-lanthanum alloy respectively in melting furnace;
[0035] (2), furnace making, graphite crucible is used as smelting crucible, and graphite crucible is fixed in the smelting furnace, carries out oven, and the time of oven remains on more than 2 hours, removes the water vapor in the crucible;
[0036] (3) Baking material and furnace washing, cutting 100 kg of electrolytic copper with a purity of 99.9% into the required shape, putting it into a heat treatment furnace, keeping the temperature below 600°C for baking, removing internal water vapor, The baking time is 1 hour. T...
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The invention relates to the field of copper alloy conductors, in particular to a multi-element micro-alloyed high-strength high-conductivity copper alloy and a preparation technique thereof. The multi-element micro-alloyed high-strength high-conductivity copper alloy comprises 0.2-0.3wt% of chromium, 0.08-0.1wt% of zirconium, 0.02-0.03wt% of magnesium, 0.04-0.08wt% of lanthanum and the balance copper. The multi-element micro-alloyed high-strength high-conductivity copper alloy preparation technique comprises the following steps of (1) materials preparation, (2) furnace forging, (3) material drying and furnace washing, (4) vacuum induction smelting, (5) casting, (6) homogenizing annealing treatment, (7) cogging, (8) hot rolling, (9) solution treatment, (10) peeling, (11) cold deforming, (12) aging treatment, (13) drawing, and (14) finished product acquiring after annealing treatment. The multi-element micro-alloyed high-strength high-conductivity copper alloy is reasonable in design and convenient to operate, a prepared copper alloy conductor has good electrical resistivity, pulling strength and tensile strength, and thus the production requirement is met.
Description
technical field [0001] The invention relates to the field of copper alloy conductors, in particular to a multi-component microalloyed high-strength and high-conductivity copper alloy and a preparation process thereof. Background technique [0002] Copper alloy has the characteristics of good electrical conductivity and high softening temperature, and is an ideal material for motor commutators and contact wires. In recent years, with the increase of production requirements, the resistivity, breaking force and tensile strength of traditional copper alloy conductors are poor, which cannot meet the production needs. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art and provide a multi-component microalloyed high-strength and high-conductivity copper alloy and its preparation process. [0004] The technical solution adopted by the present invention to solve the technical problem is: a...
Claims
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IPC IPC(8): C22C9/00C22C1/03C22F1/02C22F1/08H01B1/02
CPCC22C1/03C22C9/00C22F1/02C22F1/08H01B1/026
Inventor 何如森李海峰王权宏
Owner CHANGZHOU HENGFENG SPECIAL CONDUCTOR CO LTD