CN108326071A - The manufacturing method of minor diameter Gd/Dy/Tb rare earth metal silk materials - Google Patents
The manufacturing method of minor diameter Gd/Dy/Tb rare earth metal silk materials Download PDFInfo
- Publication number
- CN108326071A CN108326071A CN201810099657.6A CN201810099657A CN108326071A CN 108326071 A CN108326071 A CN 108326071A CN 201810099657 A CN201810099657 A CN 201810099657A CN 108326071 A CN108326071 A CN 108326071A
- Authority
- CN
- China
- Prior art keywords
- earth metal
- rare earth
- manufacturing
- rare
- minor diameter
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
Abstract
The invention discloses a kind of manufacturing methods of minor diameter Gd/Dy/Tb rare earth metal silk materials, including：The suitable rare earth metal bar of draw ratio is obtained, the material of rare earth metal bar is Gd, Dy or Tb rare earth metal；Under protective atmosphere, rotation section, rare-earth metal wire centre base of the rotation section at diameter less than 8mm are carried out to rare earth metal bar；Rare earth metal silk material is made in base after wire drawing among rare-earth metal wire.Rare earth metal silk material produced 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 Gd/Dy/Tb rare earth metals
The manufacturing method of silk material.
Background technology
Currently, rare-earth metal wire mainly takes high-temperature heating, to reduce extrusion pressure, production cost is reduced.
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 CN1438349A discloses a kind of production method of rare-earth metal screw-rod, dilute with lanthanum, yttrium, cerium mixing
Soil be raw material, melting, hot-pressed a diameter of 1~5mm rare-earth metal wire；
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.
But the above-mentioned means for producing rare-earth metal wire or stick, high-temperature heating scaling loss is more, and production interval is long, and product easily goes out
Existing fracture of wire, tissue crystal grain is uneven, and mechanical property consistency is poor, and short silk and high rejection rate, production security is poor, 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 Gd/Dy/Tb rare earth metal silk materials,
Rare earth metal silk material obtained 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 Gd/Dy/Tb rare earth metal silk materials, including：
The suitable rare earth metal bar of draw ratio is obtained, the material of rare earth metal bar is Gd, Dy or Tb rare earth metal,
The material of rare earth metal bar is Gd, Dy or Tb rare earth metal；
Under protective atmosphere, rotation section is carried out to rare earth metal bar, rotation section is less than at diameter among the rare-earth metal wire of 8mm
Base；
Rare earth metal silk material is made in base after wire drawing among rare-earth metal wire.
Further：Rare earth metal bar is processed after sandblasting cleans and descales.
Further：Using being cast after direct molten rare earth metal, forged after molten rare earth metal casting, molten rare earth metal
The technological means rolled after cast obtains the suitable rare earth metal bar of draw ratio.
Further：Rare earth metal bar is heated to 650 DEG C~750 DEG C, after keeping the temperature 6h, is sent into swager, per pass swager
Decrement is 10~50%, swages to diameter and is less than the rare earth metal silk material of 8mm；Per one heating of setting between twice swager
Device, device inside are arranged gas shield, are heated under protective atmosphere, prevent rare earth metal from aoxidizing.
Further：Hot candied temperature is 50 DEG C~200 DEG C, and being put into after wire drawing in oil product or protective atmosphere prevents from aoxidizing.
Further：Rare earth metal silk material host element purity of 50 percent~100%, one except tri- kinds of elements of impurity Gd, Dy, Tb
Kind is a variety of, and impurity content is greater than 0.001ppm.
Further：The material of rare earth metal bar is Gd, Dy either a kind of rare earth metals of Tb or two or more rare earths gold
The alloy of category.
Further：A diameter of 1~0.6mm 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 Gd/Dy/Tb rare earth metal silk materials, including：
Step 1：Obtain the suitable rare earth metal bar of draw ratio；
Gd, Dy or Tb rare earth metal clean and descale through sandblasting.The material of rare earth metal bar be Gd, Dy or
The alloy of a kind of rare earth metals of person Tb or two or more rare earth metals.
Using being cast after direct molten rare earth metal, forged after molten rare earth metal casting, molten rare earth metal is cast
The technological means such as rolling afterwards obtain the suitable rare earth metal bar of draw ratio.
Step 2：Under protective atmosphere, rotation section is carried out to rare earth metal bar, rotation section is less than the rare earth metal of 8mm at diameter
The intermediate base of silk；
Rare earth metal bar is heated to 650 DEG C~750 DEG C, keeps the temperature 6h, is sent into swager, and per pass swager decrement is 10
~50%, it swages to diameter and is less than the rare earth metal silk material of 8mm；Per one heating device of setting, device between twice swager
Inside setting gas shield, heats under protective atmosphere, prevents rare earth metal from aoxidizing.
Step 3：Rare earth metal silk material is made in base after wire drawing among rare-earth metal wire.
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.
The material of rare earth metal silk material includes one or more of tri- kinds of elements of Gd, Dy, Tb, and host element purity of 50 percent~
100%, impurity is one or more except tri- kinds of elements of any Gd, Dy, Tb, and impurity content is greater than 0.001ppm.
Embodiment 1：
The present embodiment is the rare metal Gd 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 metal Gd bar of draw ratio；
Under protective atmosphere, bar is heated to 650 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, 120 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 Dy 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 Dy bars of draw ratio；
Under protective atmosphere, bar is heated to 680 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, 160 DEG C is again heated to, through drawing techniques system
The rare earth metal silk material for making a diameter of 0.8mm, 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 Tb 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 Tb bar of draw ratio；
Under protective atmosphere, bar is heated to 700 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 0.6mm, 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 (8)
1. a kind of manufacturing method of minor diameter Gd/Dy/Tb rare earth metal silk materials, including：
The suitable rare earth metal bar of draw ratio is obtained, the material of rare earth metal bar is Gd, Dy or Tb rare earth metal；
Under protective atmosphere, rotation section, rare-earth metal wire centre base of the rotation section at diameter less than 8mm are carried out to rare earth metal bar；
Rare earth metal silk material is made in base after wire drawing among rare-earth metal wire.
2. the manufacturing method of minor diameter Gd/Dy/Tb rare earth metal silk materials as described in claim 1, it is characterised in that：Rare earth metal
Bar is processed after sandblasting cleans and descales.
3. the manufacturing method of minor diameter Gd/Dy/Tb rare earth metal silk materials as described in claim 1, it is characterised in that：Using direct
It casts after molten rare earth metal, is forged after molten rare earth metal casting, the technological means rolled after molten rare earth metal is cast,
Obtain the suitable rare earth metal bar of draw ratio.
4. the manufacturing method of minor diameter Gd/Dy/Tb rare earth metal silk materials as described in claim 1, it is characterised in that：Rare earth metal
Bar is heated to 650 DEG C~750 DEG C, after keeping the temperature 6h, is sent into swager, and per pass swager decrement is 10~50%, swage to
Diameter is less than the rare earth metal silk material of 8mm；Per a heating device is arranged between twice swager, gas, which is arranged, inside device protects
Shield, heats under protective atmosphere, prevents rare earth metal from aoxidizing.
5. the manufacturing method of minor diameter Gd/Dy/Tb rare earth metal silk materials as described in claim 1, it is characterised in that：Hot candied temperature
It it is 50 DEG C~200 DEG C, being put into after wire drawing in oil product or protective atmosphere prevents from aoxidizing.
6. the manufacturing method of minor diameter Gd/Dy/Tb rare earth metal silk materials as described in claim 1, it is characterised in that：Rare earth metal
Silk material host element purity of 50 percent~100%, one or more except tri- kinds of elements of impurity Gd, Dy, Tb, impurity content is greater than
0.001ppm。
7. the manufacturing method of minor diameter Gd/Dy/Tb rare earth metal silk materials as described in claim 1, it is characterised in that：Rare earth metal
The material of bar is Gd, Dy either alloy of a kind of rare earth metals of Tb or two or more rare earth metals.
8. the manufacturing method of minor diameter Gd/Dy/Tb rare earth metal silk materials as described in claim 1, it is characterised in that：Rare earth metal
A diameter of 1~0.6mm of silk material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810099657.6A CN108326071A (en) | 2018-02-01 | 2018-02-01 | The manufacturing method of minor diameter Gd/Dy/Tb rare earth metal silk materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810099657.6A CN108326071A (en) | 2018-02-01 | 2018-02-01 | The manufacturing method of minor diameter Gd/Dy/Tb rare earth metal silk materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108326071A true CN108326071A (en) | 2018-07-27 |
Family
ID=62927819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810099657.6A Pending CN108326071A (en) | 2018-02-01 | 2018-02-01 | The manufacturing method of minor diameter Gd/Dy/Tb rare earth metal silk materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108326071A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231466A (en) * | 2021-05-06 | 2021-08-10 | 中国科学院上海高等研究院 | Cold rolling equipment and preparation method of single-metal Dy low-temperature soft magnet |
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 CN201810099657.6A patent/CN108326071A/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 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231466A (en) * | 2021-05-06 | 2021-08-10 | 中国科学院上海高等研究院 | Cold rolling equipment and preparation method of single-metal Dy low-temperature soft magnet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111225990B (en) | Method for producing a nickel-base alloy | |
| CN106868436B (en) | Manufacturing method for producing high-temperature alloy GH4169 fine-grained bar through rapid-diameter forging combination | |
| Chang et al. | Preparation of hot-isostatic-pressed powder metallurgy superalloy Inconel 718 free of prior particle boundaries | |
| CN106756680A (en) | A kind of processing method of high-strength magnesium alloy small-sized bar | |
| CN102816963A (en) | Tungsten-rhenium alloy and preparation method thereof | |
| CN104946912B (en) | Rear earth high-entropy alloy of close-packed hexagonal structure | |
| CN106890865B (en) | Major diameter AQ80M magnesium alloy cake materials squeeze forging and integrate forming technology | |
| CN106132589B (en) | Metal wire rod comprising iridium or iridium alloy | |
| CN103898378B (en) | High-magnesium aluminum alloy cold drawn bar and manufacture method thereof | |
| CN105537799A (en) | Agcuti active brazing filler metal and preparation method thereof | |
| CN102424941A (en) | Preparation method for micro-lanthanum-doped tungsten wire | |
| CN108326071A (en) | The manufacturing method of minor diameter Gd/Dy/Tb rare earth metal silk materials | |
| CN109201737A (en) | A kind of center portion be Ultra-fine Grained and surface layer be coarse-grain Gradient Materials rolling preparation method | |
| CN107234196B (en) | A kind of equal atomic ratios Ti-Ni alloy large-scale casting ingot forging method | |
| CN108754272A (en) | A kind of preparation method of big L/D ratio fine grain tungsten copper bar | |
| CN103436828A (en) | Homogenization heat treatment process of large-size magnesium alloy ingot | |
| CN109317679B (en) | Production method of aluminum alloy sheet | |
| CN108296304A (en) | The manufacturing method of minor diameter La/Ce/Pr/Eu rare earth metal silk materials | |
| CN108411161A (en) | A kind of the cathode B alloy wire and its preparation process of K-type thermocouple | |
| CN108339864A (en) | The manufacturing method of minor diameter Tm/Lu/Y rare earth metal silk materials | |
| CN108326070A (en) | The manufacturing method of minor diameter Ho/Er rare earth metal silk materials | |
| CN108296401A (en) | The manufacturing method of minor diameter Nd/Sm rare earth metal silk materials | |
| CN109022954A (en) | A kind of aluminium alloy strips and its manufacturing method of spiral welded pipe | |
| CN105149346A (en) | Method of producing TA10 alloy wire rods through high-speed wire mill | |
| RU2017123555A (en) | Corrosion resistant product and method of its manufacture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180727 |
|
| RJ01 | Rejection of invention patent application after publication |