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Method for preparing niobium-zirconium alloy wire for electric light source

A technology of alloy wire and electric light source, which is applied in the field of niobium-zirconium alloy preparation, can solve the problems of low yield of extruded tail products, affect the performance of wire material, and reduce production efficiency, etc., and achieve excellent product surface quality, yield and production efficiency High, the effect of improving production efficiency

Active Publication Date: 2013-02-13
西安诺博尔稀贵金属材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The traditional manufacturing method of niobium and niobium alloy wire is mainly extrusion blanking, rotary forging or fixed die drawing, and the process route of vacuum annealing. The disadvantages of the traditional manufacturing method of niobium and zirconium wire are as follows: process, long extrusion tail leads to low product yield; niobium-zirconium alloy has the characteristics of soft material, high processing heat, and poor metal fluidity. Repeated swaging will cause the surface of the billet to fold and form a fine-grained layer on the surface after subsequent vacuum annealing, which will affect the performance of the wire; Oxidation pretreatment, the traditional manufacturing method greatly reduces the production efficiency

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  • Method for preparing niobium-zirconium alloy wire for electric light source
  • Method for preparing niobium-zirconium alloy wire for electric light source
  • Method for preparing niobium-zirconium alloy wire for electric light source

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Embodiment 1

[0029] The preparation method of the niobium-zirconium alloy wire for electric light source of this embodiment comprises the following steps:

[0030] Step 1. Heat the NbZr1 niobium-zirconium alloy ingot with a diameter of 90mm to a temperature of 700°C and put it into the drop mold, and then put the drop mold with the niobium-zirconium alloy ingot into the forging hammer (750Kg air hammer), The niobium-zirconium alloy ingot is subjected to drop-and-draw forging with a forging hammer to obtain a forging billet with a diameter of 33 mm, and the forging ratio of the drop-and-draw forging is 7.4;

[0031] Step 2. Place the forged blank described in step 1 in a vacuum annealing furnace for the first-stage annealing treatment; the temperature of the first-stage annealing treatment is 1300° C., and the time for the first-stage annealing treatment is 1.5 hours. The vacuum degree of stage annealing treatment is not more than 1×10 -2 Pa;

[0032] Step 3, using a two-roller pass rolli...

Embodiment 2

[0043] The preparation method of the niobium-zirconium alloy wire for electric light source of this embodiment comprises the following steps:

[0044] Step 1. Heat the NbZr1 niobium-zirconium alloy ingot with a diameter of 100mm to a temperature of 750°C and put it into the drop mold, then put the drop mold with the niobium-zirconium alloy ingot into the forging hammer (750Kg air hammer), The niobium-zirconium alloy ingot is subjected to die-drawing forging with a forging hammer to obtain a forging billet with a diameter of 36 mm, and the forging ratio of the die-drop-drawing forging is 7.7;

[0045] Step 2. Place the forged blank described in step 1 in a vacuum annealing furnace for the first-stage annealing treatment; the temperature of the first-stage annealing treatment is 1300° C., and the time for the first-stage annealing treatment is 1 h. The vacuum degree of annealing treatment is not greater than 1×10 -2 Pa;

[0046] Step 3, using a two-roller pass rolling mill to ...

Embodiment 3

[0057] The preparation method of the niobium-zirconium alloy wire for electric light source of this embodiment comprises the following steps:

[0058] Step 1. Heat the NbZr1 niobium-zirconium alloy ingot with a diameter of 110mm to a temperature of 800°C and put it into the drop mold, then put the drop mold with the niobium-zirconium alloy ingot into the forging hammer (1T air hammer), The niobium-zirconium alloy ingot is subjected to die-drawing forging with a forging hammer to obtain a forged billet with a diameter of 40 mm, and the forging ratio of the die-drop-drawing forging is 7.6;

[0059] Step 2. Place the forged billet described in step 1 in a vacuum annealing furnace for the first-stage annealing treatment; the temperature of the first-stage annealing treatment is 1250° C., and the time for the first-stage annealing treatment is 1.5 hours. The vacuum degree of stage annealing treatment is not more than 1×10 -2 Pa;

[0060] Step 3, using a two-roller pass rolling mi...

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Abstract

The invention provides a method for preparing a niobium-zirconium alloy wire for an electric light source. The method comprises steps of conducting die-throwing drawing forging for a niobium-zirconium alloy ingot, obtaining a forging blank, conducting the first-stage annealing treatment for the forging blank, conducting hole type milling, obtaining a milling blank, conducting the second-stage annealing treatment for the milling blank, conducting roll-die drawing, obtaining a drawing blank, conducting the third-stage annealing treatment for the drawing blank, conducting forming drawing, obtaining a semi-finished wire material, conducting the fourth-stage annealing treatment and obtaining the niobium-zirconium alloy wire for the electric light source. The method is easy in process, easy to implement and high in yield and production efficiency. The prepared niobium-zirconium alloy wire has good surface quality, good mechanical performance and uniform crystal grains and can be applied in electric light source industry widely.

Description

technical field [0001] The invention belongs to the technical field of niobium-zirconium alloy preparation, and in particular relates to a preparation method of niobium-zirconium alloy wire for an electric light source. Background technique [0002] The high-pressure sodium lamp made of niobium-zirconium alloy is the third generation of new electric light source. It has the advantages of high luminous efficiency, low power consumption, long life, strong fog penetration ability and no insect trapping. It is widely used in the field of electric light source at home and abroad. Including highways, airports, docks, docks, stations, squares, industrial and mining enterprises, parks and other places lighting. Because the niobium-zirconium alloy has a similar thermal expansion coefficient to the ceramic parts of the high-pressure sodium lamp, the high-pressure sodium lamp made of the niobium-zirconium alloy has an irreplaceable position in the electric light source industry. The n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C37/04C22F1/18
Inventor 宜楠惠红卫张录强武宇权振兴于乐庆赵鸿磊唐进
Owner 西安诺博尔稀贵金属材料股份有限公司