CN108296304A - The manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials - Google Patents
The manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials Download PDFInfo
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- CN108296304A CN108296304A CN201810099641.5A CN201810099641A CN108296304A CN 108296304 A CN108296304 A CN 108296304A CN 201810099641 A CN201810099641 A CN 201810099641A CN 108296304 A CN108296304 A CN 108296304A
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- rare earth
- earth metal
- diameter
- manufacturing
- minor diameter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/047—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire of fine wires
Abstract
The invention discloses a kind of manufacturing methods of minor diameter La/Ce/Pr/Eu rare earth metal silk materials, including：The suitable rare earth metal bar of draw ratio is obtained, rare earth metal bar selects La, Ce, Pr either a kind of rare earth metals of Eu or a variety of rare earth alloys；In the state of protective atmosphere, rare earth metal bar revolves blank among rare earth metal of the section at diameter less than 8mm；Blank obtains the more tiny rare earth metal silk material of diameter after wire drawing among rare earth metal.Rare earth metal silk material manufactured by the present invention has many advantages, such as that dense internal organization degree height, segregation-free, even tissue, uniform small grains, porosity is low, mechanical property consistency is good.
Description
Technical field
The present invention relates to a kind of rare earth material processing technologies, specifically, are related to a kind of minor diameter La/Ce/Pr/Eu rare earths gold
Belong to the manufacturing method of silk material.
Background technology
Chinese publication number CN10579762A discloses a kind of production method of mixing rare-earth metal thread bar, with rare earth raw ingot
For raw material, kcl is coverture, melting, ingot casting, extruding silk stick in middle frequency furnace.
Chinese publication number CN1334355A discloses a kind of rare-earth metal wire, is mixed with the lanthanum of arbitrary content, cerium, praseodymium, neodymium
Rare earth metal is raw material, the silk for carrying out melting ingot casting, being squeezed into diameter 2.8mm.
Chinese publication number CN1233539A discloses a kind of production method of rare-earth metal wire, is layered with rare earth material and kcl
Cloth, hot melt, ingot casting, preheating, pressurization squeeze out rare-earth wires.
Currently, rare-earth metal wire mainly takes high-temperature heating, to reduce extrusion pressure, production cost, high-temperature heating are reduced
Scaling loss is more, and production interval is long, and fracture of wire easily occurs in product, and tissue crystal grain is uneven, and mechanical property consistency is poor, short silk and rejection rate
Height, production security is poor, and dense structure's degree consistency is poor, is easily segregated, and material internal is easily mingled with impurity.
Invention content
Technical problem solved by the invention is to provide a kind of manufacturer of minor diameter La/Ce/Pr/Eu rare earth metal silk materials
Method, manufactured rare earth metal silk material have dense internal organization degree height, segregation-free, even tissue, uniform small grains, hole
Spend the advantages that low, mechanical property consistency is good.
Technical solution is as follows：
A kind of manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials, including：
The suitable rare earth metal bar of draw ratio is obtained, rare earth metal bar selects a kind of rare earth gold of La, Ce, Pr or Eu
Category or a variety of rare earth alloys；
In the state of protective atmosphere, rare earth metal bar revolves blank among rare earth metal of the section at diameter less than 8mm；
Blank obtains the more tiny rare earth metal silk material of diameter after wire drawing among rare earth metal.
Further：Rare earth metal host element purity of 50 percent~100%, impurity are except tetra- kinds of elements of any La, Ce, Pr, Eu
One or more, impurity content is greater than 0.001ppm.
Further：After rare earth metal bar uses direct molten rare earth metal cast or molten rare earth metal casting
It is obtained after forging or molten rare earth metal casting.
Further：Under protective atmosphere, bar is heated to 350 DEG C~450 DEG C, keeps the temperature 6h, is sent into swager, and per pass is swaged
Machine decrement is 10~50%, per a heating device is arranged between twice swager, gas shield is arranged inside device, is protecting
It is heated under shield atmosphere, prevents rare earth metal from aoxidizing, swaged to diameter and be less than the rare earth metal silk material of 8mm.
Further：Hot candied temperature selection is at 50 DEG C~200 DEG C.
Further：Blank is put into oil product after pulling out and protects or be put into anti-block in protective atmosphere among rare earth metal
Change.
Further：A diameter of 0.5~1mm of rare earth metal silk material.
Compared with prior art, the technology of the present invention effect includes：
Preparation process of the present invention is simple, production efficiency is high, the period is short, energy consumption is small, is easy to large-scale production；Manufactured is dilute
Earth metal silk material has that dense internal organization degree height, segregation-free, even tissue, uniform small grains, porosity be low, mechanical property
The advantages that consistency is good.
Specific implementation mode
It elaborates to technical solution of the present invention below with reference to example embodiment.However, example embodiment can
Implement in a variety of forms, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that
The design of example embodiment more comprehensively and completely, and is comprehensively communicated to those skilled in the art by the present invention.
The manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials, including：
Step 1：Obtain the suitable rare earth metal bar of draw ratio；
Rare earth metal bar selects La, Ce, Pr either a kind of rare earth metals of Eu or a variety of rare earth alloys, raw material
It cleans and descales through sandblasting.Rare earth metal host element purity of 50 percent~100%, impurity are tetra- kinds of elements of any La, Ce, Pr, Eu
Except it is one or more, impurity content is greater than 0.001ppm.
Using forged after the cast either molten rare earth metal casting of direct molten rare earth metal or molten rare earth gold
The suitable rare earth metal bar of draw ratio is obtained after belonging to casting.
Step 2：In the state of protective atmosphere, rare earth metal bar revolves among rare earth metal of the section at diameter less than 8mm
Blank；
Under protective atmosphere, bar is heated to 350 DEG C~450 DEG C, keeps the temperature 6h, is sent into swager, the compression of per pass swager
Amount is 10~50%, per one heating device of setting is increased between twice swager, gas shield is arranged inside device, is protecting
It is heated under atmosphere, prevents rare earth metal from aoxidizing, swaged to diameter and be less than the rare earth metal silk material of 8mm.
Step 3：Blank obtains the more tiny rare earth metal silk material of diameter after wire drawing among rare earth metal.
Hot candied temperature selection after the more tiny rare earth metal silk material of drawing techniques manufacture diameter, is put at 50 DEG C~200 DEG C
Entering to protect or be put into oil product in protective atmosphere prevents from aoxidizing.
Embodiment 1：
The present embodiment is the rare-earth metal La for purchasing commercially available composition and impurity content qualification, is cleaned through sandblasting and except oxidation
Skin；
Using forging after direct molten rare earth metal is cast or molten rare earth metal casting or molten rare earth metal casting
Rolling technique means afterwards obtain the suitable rare-earth metal La bar of draw ratio；
Under protective atmosphere, bar is heated to 350 DEG C, keeps the temperature 6h, is sent into swager, and per pass swager decrement is
10%, per twice swagers between increase by one heating device of setting, gas shield is set inside device, under protective atmosphere plus
Heat prevents rare earth metal from aoxidizing, and swages to the rare earth metal silk material of a diameter of 5mm, 100 DEG C is again heated to, through drawing techniques system
The rare earth metal silk material for making a diameter of 1mm, being then placed in oil product to protect or be put into protective atmosphere prevents from aoxidizing.
Through the rare-earth metal wire flawless and spalling manufactured by the above method, product continuously with discontinuously.
Embodiment 2：
The present embodiment is the rare earth metal Pr for purchasing commercially available composition and impurity content qualification, is cleaned through sandblasting and except oxidation
Skin；
Using forging after direct molten rare earth metal is cast or molten rare earth metal casting or molten rare earth metal casting
Rolling technique means afterwards obtain the suitable rare earth metal Pr bars of draw ratio；
Under protective atmosphere, bar is heated to 380 DEG C, keeps the temperature 6h, is sent into swager, and per pass swager decrement is
20%, per twice swagers between increase by one heating device of setting, gas shield is set inside device, under protective atmosphere plus
Heat prevents rare earth metal from aoxidizing, and swages to the rare earth metal silk material of a diameter of 3mm, 150 DEG C is again heated to, through drawing techniques system
The rare earth metal silk material for making a diameter of 0.7mm, being then placed in oil product to protect or be put into protective atmosphere prevents from aoxidizing.
Through the rare-earth metal wire flawless and spalling manufactured by the above method, product continuously with discontinuously.
Embodiment 3：
The present embodiment is the rare earth metal Eu for purchasing commercially available composition and impurity content qualification, is cleaned through sandblasting and except oxidation
Skin；
Using forging after direct molten rare earth metal is cast or molten rare earth metal casting or molten rare earth metal casting
Rolling technique means afterwards obtain the suitable rare earth metal Eu bars of draw ratio；
Under protective atmosphere, bar is heated to 420 DEG C, keeps the temperature 6h, is sent into swager, and per pass swager decrement is
30%, per twice swagers between increase by one heating device of setting, gas shield is set inside device, under protective atmosphere plus
Heat prevents rare earth metal from aoxidizing, and swages to the rare earth metal silk material of a diameter of 1.5mm, 200 DEG C is again heated to, through drawing techniques
The rare earth metal silk material for manufacturing a diameter of 0.5mm, being then placed in oil product to protect or be put into protective atmosphere prevents from aoxidizing.
Through the rare-earth metal wire flawless and spalling manufactured by the above method, product continuously with discontinuously.
Term used herein is explanation and term exemplary, and not restrictive.Since the present invention can be with a variety of
Form be embodied without departing from invention spirit or essence, it should therefore be appreciated that above-described embodiment be not limited to it is any above-mentioned
Details, and should widely being explained in the spirit and scope defined by appended claims, thus fall into claim or its etc.
Whole variations and remodeling in effect range all should be appended claims and covered.
Claims (7)
1. a kind of manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials, including：
The suitable rare earth metal bar of draw ratio is obtained, rare earth metal bar selects a kind of rare earth metal of La, Ce, Pr or Eu,
Or a variety of rare earth alloys；
In the state of protective atmosphere, rare earth metal bar revolves blank among rare earth metal of the section at diameter less than 8mm；
Blank obtains the more tiny rare earth metal silk material of diameter after wire drawing among rare earth metal.
2. the manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials as described in claim 1, it is characterised in that：Rare earth
Metal host element purity of 50 percent~100%, impurity are one or more, the impurity content except tetra- kinds of elements of any La, Ce, Pr, Eu
It is greater than 0.001ppm.
3. the manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials as described in claim 1, it is characterised in that：Rare earth
Metal bar material is forged after using the cast either molten rare earth metal casting of direct molten rare earth metal or molten rare earth gold
It is obtained after belonging to casting.
4. the manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials as described in claim 1, it is characterised in that：It is protecting
It protecting under atmosphere, bar is heated to 350 DEG C~450 DEG C, keeps the temperature 6h, is sent into swager, and per pass swager decrement is 10~50%,
Per a heating device is arranged between twice swager, gas shield is set inside device, heats, prevents dilute under protective atmosphere
Earth metal aoxidizes, and swages to diameter and is less than the rare earth metal silk material of 8mm.
5. the manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials as described in claim 1, it is characterised in that：It is hot candied
Temperature is selected at 50 DEG C~200 DEG C.
6. the manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials as described in claim 1, it is characterised in that：Rare earth
After pulling out, be put into oil product to protect or be put into protective atmosphere prevents from aoxidizing blank among metal.
7. the manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials as described in claim 1, it is characterised in that：Rare earth
A diameter of 0.5~1mm of metal wire material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810099641.5A CN108296304A (en) | 2018-02-01 | 2018-02-01 | The manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810099641.5A CN108296304A (en) | 2018-02-01 | 2018-02-01 | The manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials |
Publications (1)
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|---|---|
| CN108296304A true CN108296304A (en) | 2018-07-20 |
Family
ID=62850818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810099641.5A Pending CN108296304A (en) | 2018-02-01 | 2018-02-01 | The manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials |
Country Status (1)
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| CN (1) | CN108296304A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334355A (en) * | 2000-07-17 | 2002-02-06 | 左生华 | Rare-earth metal wire |
| CN104588554A (en) * | 2014-11-26 | 2015-05-06 | 北京矿冶研究总院 | Continuous rotary swaging method special for multi-element composite tungsten electrode |
-
2018
- 2018-02-01 CN CN201810099641.5A patent/CN108296304A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334355A (en) * | 2000-07-17 | 2002-02-06 | 左生华 | Rare-earth metal wire |
| CN104588554A (en) * | 2014-11-26 | 2015-05-06 | 北京矿冶研究总院 | Continuous rotary swaging method special for multi-element composite tungsten electrode |
Non-Patent Citations (2)
| Title |
|---|
| 《稀有金属材料加工手册》编写组: "《稀有金属材料加工手册》", 31 March 1984, 冶金工业出版社 * |
| 徐光宪: "《稀土 中册》", 31 August 1995, 冶金工业出版社 * |
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Application publication date: 20180720 |