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A continuous solution quenching device for cu‑cr‑zr alloy bar or wire

An alloy bar, solution quenching technology, applied in the direction of quenching device, process efficiency improvement, furnace type, etc., to achieve the effect of improving quenching cooling effect, high production efficiency, and ensuring uniformity and consistency

Active Publication Date: 2018-02-27
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the problems existing in the solution quenching heat treatment of existing Cu-Cr-Zr alloy rods or wires, the present invention provides a continuous solution quenching treatment device and process for Cu-Cr-Zr alloy rods or wires, which is beneficial to improve Quality of High Performance Cu-Cr-Zr Alloy Rod or Wire

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  • A continuous solution quenching device for cu‑cr‑zr alloy bar or wire

Examples

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Comparison scheme
Effect test

Embodiment 1

[0038] Example 1: Solution Quenching of Cu-1.2%Cr-0.16%Zr Alloy Rod with a Diameter of 30 mm

[0039] The basic parameters of the continuous solution quenching device for implementing the Cu-Cr-Zr alloy bar of this example are: the temperature control system adopts a non-contact infrared thermometer and a PLC temperature control module; the medium frequency induction heating device has a frequency of 3 kHz, a rated power The 45 kW medium frequency induction power supply and induction coil are composed. The high frequency induction heating device is composed of a power supply with a frequency of 50 kHz and a rated power of 45 kW and an induction coil. The length of the medium frequency induction heating zone is 2 m, and the length of the high frequency induction heating zone is 50 mm; the cooling water spray device is used to cool the bar forcibly, and the water flow rate is 80 L / h; the solid solution treatment process of Cu-Cr-Zr alloy bar is protected by argon gas.

[0040] T...

Embodiment 2

[0046] Example 2: Solution Quenching of Cu-1.0%Cr-0.08%Zr Alloy Rod with a Diameter of 50 mm

[0047] The basic parameters of the continuous solution quenching device for implementing the Cu-Cr-Zr alloy bar of this example are: the temperature control system adopts a non-contact infrared thermometer and a PLC temperature control module; the medium frequency induction heating device has a frequency of 3 kHz, a rated power The 45 kW medium-frequency induction power supply and induction coil are composed. The high-frequency induction heating device is composed of a power supply with a frequency of 50 kHz and a rated power of 45 kW and an induction coil. The length of the medium-frequency induction heating zone is 2.4 m, and the length of the high-frequency induction heating zone is 80 mm; the cooling water spray device is used to force the cooling water flow rate of 100 L / h to the bar; the whole process of Cu-Cr-Zr alloy bar heat treatment is protected by argon gas.

[0048] The ...

Embodiment 3

[0054] Example 3: Solution Quenching of Cu-0.6%Cr-0.04%Zr Alloy Wire with a Diameter of 10 mm

[0055] The basic parameters of the continuous solution quenching device for implementing the Cu-Cr-Zr alloy bar of this example are: the temperature control system adopts a non-contact infrared thermometer and a PLC temperature control module; the medium frequency induction heating device has a frequency of 3 kHz, a rated power The 45 kW medium frequency induction power supply and induction coil are composed. The high frequency induction heating device is composed of a power supply with a frequency of 50 kHz and a rated power of 45 kW and an induction coil. The length of the medium frequency induction heating area is 1.5 m, and the length of the high frequency induction heating area is 30 mm; the cooling water spray device is used to force the cooling water flow rate of 60 L / h to the bar; the whole process of Cu-Cr-Zr alloy bar heat treatment is protected by argon gas.

[0056] The ...

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Abstract

The invention provides a continuous solid-solution quenching device of Cu-Cr-Zr alloy rods or wires with high strength and high conductivity and a process thereof, and belongs to the technical field of preparation of metal materials. The continuous solid-solution quenching device consists of a driving system, a temperature control system, an inductive heating system, a quenching cooling system and a gas protection system. The inductive heating system adopts a two-section heating mode of medium-frequency inductive heating and high-frequency inductive heating, facilitates prevention of temperature lowering in the process of the Cu-Cr-Zr alloy rods or wires entering a quenching area, and improves the quenching cooling effect. The continuous solid-solution quenching device and process are used for treating the Cu-Cr-Zr alloy rods or wires, are high in automation degree and production efficiency, and in particular, facilitate guarantee of uniformity and consistency of quenching quality of the alloy rods or wires.

Description

technical field [0001] The invention relates to a continuous heat treatment technology for high-performance copper alloys, which belongs to the technical field of metal material preparation and processing, and in particular provides a continuous solid solution quenching device and method for high-strength and high-conductivity Cu-Cr-Zr alloy rods or wires . Background technique [0002] Cu-Cr-Zr alloy has high strength, excellent electrical and thermal conductivity, high softening temperature resistance, and good wear resistance. It is a key material for contact wires of high-speed rail power grids, especially for speeds exceeding 350 km / h and 1000 A. The best choice for high-carrying capacity high-speed rail contact wire materials. [0003] At present, the typical preparation process of Cu-Cr-Zr alloy contact wire at home and abroad is vacuum casting-hot extrusion (hot forging, hot rolling)-solution quenching treatment-cold drawing-aging treatment-cold drawing [Mi Xujun e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D1/42C21D1/62C21D1/667C21D1/74C21D9/60C22F1/08
CPCC21D1/42C21D1/62C21D1/667C21D1/74C21D9/0062C21D9/60C22F1/002C22F1/02C22F1/08Y02P10/25
Inventor 谢建新付华栋李伟赵红彬
Owner UNIV OF SCI & TECH BEIJING