CN108296401A - The manufacturing method of minor diameter Nd/Sm rare earth metal silk materials - Google Patents
The manufacturing method of minor diameter Nd/Sm rare earth metal silk materials Download PDFInfo
- Publication number
- CN108296401A CN108296401A CN201810099646.8A CN201810099646A CN108296401A CN 108296401 A CN108296401 A CN 108296401A CN 201810099646 A CN201810099646 A CN 201810099646A CN 108296401 A CN108296401 A CN 108296401A
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- China
- Prior art keywords
- earth metal
- rare earth
- manufacturing
- minor diameter
- silk materials
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
-
- 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
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
- B21J7/02—Special design or construction
- B21J7/14—Forging machines working with several hammers
- B21J7/16—Forging machines working with several hammers in rotary arrangements
Abstract
The invention discloses a kind of manufacturing methods of minor diameter Nd/Sm rare earth metal silk materials, including：Obtain the suitable rare earth metal bar of draw ratio；The material selection rare earth metal Nd of rare earth metal bar either Sm or be Nd Sm alloys；Under protective atmosphere, rare earth metal bar of swaging produces base among rare earth metal of the diameter less than 8mm；Base obtains rare earth metal silk material 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 Nd/Sm rare earth metal silk materials
Manufacturing method.
Background technology
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.
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 CN145770A discloses a kind of la-high re compound wire, stick and aluminum, barium, calcium and magnesium containing dilute
Rare earth metal and coverture kcl layerings are loaded in mixture, using electrosmelting of intermediate frequency, ingot casting, are squeezed by the production method of native B alloy wire, stick
It is pressed into silk, stick.
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 manufacturing method of minor diameter Nd/Sm rare earth metal silk materials, institute
The rare earth metal silk material of manufacture have dense internal organization degree height, segregation-free, even tissue, uniform small grains, porosity it is low,
The advantages that mechanical property consistency is good.
Technical solution is as follows：
A kind of manufacturing method of minor diameter Nd/Sm rare earth metal silk materials, including：
Obtain the suitable rare earth metal bar of draw ratio；Material selection the rare earth metal Nd or Sm of rare earth metal bar,
Or it is Nd Sm alloys；
Under protective atmosphere, rare earth metal bar of swaging produces base among rare earth metal of the diameter less than 8mm；
Base obtains rare earth metal silk material after wire drawing among rare earth metal.
Further：Rare earth metal bar host element purity of 50 percent~100%, impurity are one except two kinds of elements of any Nd, Sm
Kind is a variety of, and impurity content is greater than 0.001ppm.
Further：Using forging after direct molten rare earth metal is cast or molten rare earth metal casting or molten rare earth
The suitable rare earth metal bar of draw ratio is obtained after metal casting.
Further：Under protective atmosphere, bar is heated to 450 DEG C~550 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, base among the rare earth metal swaged to diameter less than 8mm.
Further：Hot candied temperature is at 50 DEG C~200 DEG C.
Further：Rare earth metal silk material is put into oil product to protect or be put into protective atmosphere and prevents from aoxidizing.
Further：A diameter of 0.5~1.2mm of rare-earth metal wire.
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 Nd/Sm rare earth metal silk materials, including：
Step 1：Obtain the suitable rare earth metal bar of draw ratio；
The material selection rare earth metal Nd of rare earth metal bar either Sm or be Nd Sm alloys, through sandblasting clean and remove
Oxide skin.Rare earth metal bar host element purity of 50 percent~100%, impurity are one kind or more except two kinds of elements of any Nd, Sm
Kind, impurity content is greater than 0.001ppm.
Using forging after direct molten rare earth metal is cast or molten rare earth metal casting or molten rare earth metal casting
Rear rolling technique means are made, the suitable rare earth metal bar of draw ratio is obtained.
Step 2：Under protective atmosphere, rare earth metal bar of swaging produces base among rare earth metal of the diameter less than 8mm；
Under protective atmosphere, bar is heated to 450 DEG C~550 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, base among the rare earth metal swaged to diameter less than 8mm.
Step 3：Base obtains rare earth metal silk material after wire drawing among rare earth metal.
Hot candied temperature after the more tiny rare earth metal silk material of drawing techniques manufacture diameter, is put into oil at 50 DEG C~200 DEG C
Protecting or be put into product in protective atmosphere prevents from aoxidizing.
Embodiment 1：
The present embodiment is the rare earth metal Nd 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 Nd bars of draw ratio；
Under protective atmosphere, bar is heated to 450 DEG C, keeps the temperature 6h, is sent into swager, and per pass swager decrement is
15%, 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 1.2mm, 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 Nd 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 bar of draw ratio；
Under protective atmosphere, bar is heated to 500 DEG C, keeps the temperature 6h, is sent into swager, and per pass swager decrement is
25%, 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 Sm 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 Sm bars of draw ratio；
Under protective atmosphere, bar is heated to 550 DEG C, keeps the temperature 6h, is sent into swager, and per pass swager decrement is
40%, 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 Nd/Sm rare earth metal silk materials, including：
Obtain the suitable rare earth metal bar of draw ratio；The material selection rare earth metal Nd of rare earth metal bar either Sm or
For Nd Sm alloys；
Under protective atmosphere, rare earth metal bar of swaging produces base among rare earth metal of the diameter less than 8mm；
Base obtains rare earth metal silk material after wire drawing among rare earth metal.
2. the manufacturing method of minor diameter Nd/Sm rare earth metal silk materials as described in claim 1, it is characterised in that：Rare earth metal stick
Expect that host element purity of 50 percent~100%, impurity are one or more except two kinds of elements of any Nd, Sm, impurity content is greater than
0.001ppm。
3. the manufacturing method of minor diameter Nd/Sm rare earth metal silk materials as described in claim 1, it is characterised in that：Using directly molten
Melt forged after rare earth metal is cast or molten rare earth metal casting or molten rare earth metal casting after to obtain draw ratio suitable
Rare earth metal bar.
4. the manufacturing method of minor diameter Nd/Sm rare earth metal silk materials as described in claim 1, it is characterised in that：In protective atmosphere
Under, bar is heated to 450 DEG C~550 DEG C, keeps the temperature 6h, is sent into swager, per pass swager decrement is 10~50%, per twice
One heating device is set between swager, gas shield is set inside device, is heated under protective atmosphere, prevents rare earth metal
Oxidation, the rare earth metal centre base swaged to diameter less than 8mm.
5. the manufacturing method of minor diameter Nd/Sm rare earth metal silk materials as described in claim 1, it is characterised in that：Hot candied temperature exists
50 DEG C~200 DEG C.
6. the manufacturing method of minor diameter Nd/Sm rare earth metal silk materials as described in claim 1, it is characterised in that：Rare-earth metal wire
Material is put into oil product to protect or be put into protective atmosphere and prevents from aoxidizing.
7. the manufacturing method of minor diameter Nd/Sm rare earth metal silk materials as described in claim 1, it is characterised in that：Rare-earth metal wire
A diameter of 0.5~1.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810099646.8A CN108296401A (en) | 2018-02-01 | 2018-02-01 | The manufacturing method of minor diameter Nd/Sm rare earth metal silk materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810099646.8A CN108296401A (en) | 2018-02-01 | 2018-02-01 | The manufacturing method of minor diameter Nd/Sm rare earth metal silk materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108296401A true CN108296401A (en) | 2018-07-20 |
Family
ID=62850768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810099646.8A Pending CN108296401A (en) | 2018-02-01 | 2018-02-01 | The manufacturing method of minor diameter Nd/Sm rare earth metal silk materials |
Country Status (1)
| Country | Link |
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| CN (1) | CN108296401A (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 CN201810099646.8A patent/CN108296401A/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 |