CN107760971A - A kind of multi-principal elements alloy screw tap and preparation method thereof - Google Patents
A kind of multi-principal elements alloy screw tap and preparation method thereof Download PDFInfo
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- CN107760971A CN107760971A CN201711112946.7A CN201711112946A CN107760971A CN 107760971 A CN107760971 A CN 107760971A CN 201711112946 A CN201711112946 A CN 201711112946A CN 107760971 A CN107760971 A CN 107760971A
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Abstract
The invention discloses a kind of multi-principal elements alloy screw tap and preparation method thereof, is Al according to chemical compositionxCoCrFeyMnZrZnzPreparing metal powder, wherein 0.1≤x≤1.2,0.1≤y≤1.2,0<z≤1.2；And 0.01<x/(x+y+z+4)<0.20、0.01<y/(x+y+z+4)<0.20、0<z/(x+y+z+4)<0.20, concretely comprise the following steps：Each metal dust is weighed by chemical formula to be placed in ball grinder, is added stainless steel ball, is under an inert gas sealed ball grinder；Sealing ball grinder is placed on ball mill and carries out batch mixing；Powder after batch mixing is loaded into mould under inert gas shielding, mould is heated under inert gas shielding, pressurizes, pressurize, obtains tap blank；Blank is sintered under inert gas atmosphere, is incubated, produces multi-principal elements alloy screw tap.Multi-principal elements alloy screw tap tissue and composition prepared by the inventive method is uniform, can effectively suppress the formation of intermetallic compound；This method technique is simple, and production efficiency is high, saves material, can obtain the product of high-compactness.
Description
Technical field
The invention belongs to metal material and its preparation field, and in particular to a kind of multi-principal elements alloy screw tap and its preparation side
Method.
Background technology
Screw tap is a kind of cutter of machining internal thread, is the main instrument that manufacturing industry operator processes screw thread.Screw tap is attacked
Silk is often last one of the manufacturing procedure of workpiece, if screw tap fractures or other quality accidents, workpiece will be caused to scrap, can be caused very
Big economic loss, therefore require that screw tap has certain safety guarantee again.Screw tap main failure forms fracture, collapse tooth, abrasion
It is too fast etc..This requires material for taps to possess higher intensity, wearability, heat-resisting and decay resistance etc..Multi-principal elements alloy
The design philosophy of the conventional alloys based on single-element is jumped out, by nearly equimolar ratio（5~35at%）It is a variety of（It is at least five kinds of）
Metallic atom is mixed to form alloy, it is possible to forms new microstructure after by alloying and processing and has superiority
Can, so as to break through traditional metal materials performance boundary, meet higher demand of the industrial technology development to material.Therefore, for silk
The new multi-principal elements alloy screw tap that the concrete condition design of cone meets to require is significant.
The content of the invention
To solve the above problems, the present invention provides a kind of multi-principal elements alloy screw tap and preparation method thereof, the preparation method can
To obtain the material of high-compactness.
The purpose of the present invention is realized in the following manner：
A kind of multi-principal elements alloy screw tap, by chemical composition AlxCoCrFeyMnZrZnzPreparing metal powder, wherein 0.1≤x≤
1.2、0.1≤y≤1.2、0<z≤1.2；And 0.01<x/(x+y+z+4) <0.20、0.01<y/(x+y+z+4)<0.20、0<z/
(x+y+z+4)<0.20。
A kind of preparation method of multi-principal elements alloy screw tap, step are as follows：
（1）Metal dust is placed in ball grinder, stainless steel ball is added, then in an inert atmosphere seals ball grinder
Come；
（2）By step（1）The ball grinder of sealing, which is placed on ball mill, to carry out being mixed to get batch mixing；
（3）By step（2）Load mould under obtained batch mixing inert gas shielding, mould is heated under inert gas shielding to 50
~ 450 DEG C, 40 ~ 200 tons of on-load pressure, 2 ~ 5min of pressurize, obtain tap blank；
（4）Above-mentioned blank is sintered 900-1500 DEG C under inert gas atmosphere, 0.5-2h is incubated, produces multi-principal elements alloy silk
Cone.
Step（1）, step（3）And step（4）Middle inert gas is argon gas or nitrogen.
Step（2）Middle ball mill is planetary ball mill.
The rotating speed of ball mill is 50 ~ 250rpm, time 0.5-6h.
The purity of metal dust is more than 99.5%.
The multi-principal elements alloy screw tap tissue and composition prepared relative to prior art, the present invention is uniform, can effectively suppress
The formation of intermetallic compound；And this method technique is simple, production efficiency is high, saves material, can obtain the production of high-compactness
Product.
Brief description of the drawings
Fig. 1 is the X-ray diffractogram of multi-principal elements alloy prepared by embodiment 1.
Embodiment
Embodiment 1
By chemical composition AlCoCrFeMnZrZn0.020.40mol aluminium powder, cobalt powder, chromium powder, iron powder, manganese powder and zirconium is weighed respectively
The zinc powder of powder and 0.008mol, the purity of various simple metal powder are above 99.5%；Load weighted above-mentioned pure metal powder is placed in
In ball grinder, stainless steel ball is added, then in a nitrogen environment seals the ball grinder for being placed with pure metal powder；Will be above-mentioned
The ball grinder of good seal, which is placed on planetary ball mill, carries out batch mixing, and batch mixing rotating speed is 250rpm, time 0.5h；Will be above-mentioned equal
Powder after even batch mixing loads mould under nitrogen gas protection, and mould is heated under inert gas shielding to 50 DEG C, loading pressure
200 tons of power, pressurize 2min, obtains tap blank；Above-mentioned blank is sintered 900 DEG C under inert gas atmosphere, 2h is incubated, produces
Multi-principal elements alloy screw tap.
Embodiment 2
By chemical composition AlCoCrFeMnZrZn weigh respectively 0.40mol aluminium powder, cobalt powder, chromium powder, iron powder, manganese powder, zirconium powder and
Zinc powder, the purity of various pure metal powders are above 99.5%；Load weighted above-mentioned pure metal powder is placed in ball grinder, added
Enter stainless steel ball, then in a nitrogen environment seal the ball grinder for being placed with pure metal powder；By the ball of above-mentioned good seal
Grinding jar, which is placed on planetary ball mill, carries out batch mixing, and batch mixing rotating speed is 200rpm, time 1.5h；After above-mentioned uniformly batch mixing
Powder loads mould under nitrogen gas protection, and mould is heated under inert gas shielding to 100 DEG C, 150 tons of on-load pressure, is protected
3min is pressed, obtains tap blank；Above-mentioned blank is sintered 1100 DEG C under inert gas atmosphere, is incubated 1.5h, be i.e. much pivots
Alloy screw tap.
Embodiment 3
By chemical composition Al0.6CoCrFeMnZrZn weigh respectively 0.24mol aluminium powder and 0.40mol cobalt powder, chromium powder, iron powder,
Manganese powder, zirconium powder and zinc powder, the purity of various simple metal powder are above 99.5%；Load weighted above-mentioned pure metal powder is placed in ball
In grinding jar, stainless steel ball is added, then seals the ball grinder for being placed with pure metal powder under ar gas environment；Will be above-mentioned close
The ball grinder sealed, which is placed on planetary ball mill, carries out batch mixing, and batch mixing rotating speed is 150rpm, time 3h；Will be above-mentioned uniformly mixed
Powder after material loads mould under nitrogen gas protection, mould is heated under inert gas shielding to 200 DEG C, on-load pressure
150 tons, pressurize 3min, obtain tap blank；Above-mentioned blank is sintered 1200 DEG C under inert gas atmosphere, 1h is incubated, produces
Multi-principal elements alloy screw tap.
Embodiment 4
By chemical composition AlCoCrFe0.6MnZrZn0.6Weigh respectively 0.40mol aluminium powder, cobalt powder, chromium powder, manganese powder and zirconium powder with
0.24mol iron powder and zinc powder, the purity of various simple metal powder are above 99.5%；Load weighted above-mentioned pure metal powder is put
In ball grinder, stainless steel ball is added, then seals the ball grinder for being placed with pure metal powder under ar gas environment；Will be upper
The ball grinder for stating good seal is placed on planetary ball mill and carries out batch mixing, and batch mixing rotating speed is 100rpm, time 4.5h；Will be above-mentioned
Powder after uniform batch mixing loads mould under nitrogen gas protection, mould is heated under inert gas shielding to 300 DEG C, loading
100 tons of pressure, pressurize 4min, obtains tap blank；Above-mentioned blank is sintered 1300 DEG C under inert gas atmosphere, is incubated 1h,
Produce multi-principal elements alloy screw tap.
Embodiment 5
By chemical composition Al0.1CoCrFeMnZrZn weigh respectively 0.04mol aluminium powder and 0.40mol cobalt powder, chromium powder, iron powder,
Manganese powder, zirconium powder and zinc powder, the purity of various simple metal powder are above 99.5%；Load weighted above-mentioned pure metal powder is placed in ball
In grinding jar, stainless steel ball is added, then seals the ball grinder for being placed with pure metal powder under ar gas environment；Will be above-mentioned close
The ball grinder sealed, which is placed on planetary ball mill, carries out batch mixing, and batch mixing rotating speed is 50rpm, time 6h；Will be above-mentioned uniformly mixed
Powder after material loads mould under nitrogen gas protection, mould is heated under inert gas shielding to 450 DEG C, on-load pressure 40
Ton, pressurize 5min, obtains tap blank；Above-mentioned blank is sintered 1500 DEG C under inert gas atmosphere, is incubated 0.5h, i.e., much
Pivot alloy screw tap.
Embodiment 6
By chemical composition AlCoCrFe0.1MnZrZn weighs 0.40mol aluminium powder, cobalt powder, chromium powder, manganese powder, zirconium powder and zinc powder respectively
With 0.04mol iron powder, the purity of various simple metal powder is above 99.5%；Load weighted above-mentioned pure metal powder is placed in ball
In grinding jar, stainless steel ball is added, then seals the ball grinder for being placed with pure metal powder under ar gas environment；Will be above-mentioned close
The ball grinder sealed, which is placed on planetary ball mill, carries out batch mixing, and batch mixing rotating speed is 100rpm, time 4.5h；Will be above-mentioned uniform
Powder after batch mixing loads mould under nitrogen gas protection, mould is heated under inert gas shielding to 300 DEG C, on-load pressure
100 tons, pressurize 4min, obtain tap blank；Above-mentioned blank is sintered 1300 DEG C under inert gas atmosphere, 1h is incubated, produces
Multi-principal elements alloy screw tap.
Embodiment 7
By chemical composition Al0.1CoCrFe1.2MnZrZn weighs 0.04mol aluminium powder, 0.40mol cobalt powder, chromium powder, manganese respectively
The iron powder of powder, zirconium powder and zinc powder and 0.48mol, the purity of various simple metal powder are above 99.5%；By load weighted above-mentioned proof gold
Category powder is placed in ball grinder, adds stainless steel ball, then seals the ball grinder for being placed with pure metal powder under ar gas environment
Get up；The ball grinder of above-mentioned good seal is placed on planetary ball mill and carries out batch mixing, batch mixing rotating speed is 200rpm, and the time is
1.5h；Powder after above-mentioned uniformly batch mixing is loaded into mould under nitrogen gas protection, mould is heated under inert gas shielding
To 200 DEG C, 150 tons of on-load pressure, pressurize 3min, tap blank is obtained；Above-mentioned blank is sintered under inert gas atmosphere
1200 DEG C, 1h is incubated, produces multi-principal elements alloy screw tap.
Embodiment 8
By chemical composition Al1.2CoCrFe0.1MnZrZn weighs 0.48mol aluminium powder, 0.40mol cobalt powder, chromium powder, manganese respectively
The iron powder of powder, zirconium powder and zinc powder and 0.04mol, the purity of various simple metal powder are above 99.5%；By load weighted above-mentioned proof gold
Category powder is placed in ball grinder, adds stainless steel ball, then seals the ball grinder for being placed with pure metal powder under ar gas environment
Get up；The ball grinder of above-mentioned good seal is placed on planetary ball mill and carries out batch mixing, batch mixing rotating speed is 100rpm, and the time is
4.5h；Powder after above-mentioned uniformly batch mixing is loaded into mould under nitrogen gas protection, mould is heated under inert gas shielding
To 100 DEG C, 150 tons of on-load pressure, pressurize 3min, tap blank is obtained；Above-mentioned blank is sintered under inert gas atmosphere
1100 DEG C, 1.5h is incubated, produces multi-principal elements alloy screw tap.
Embodiment 9
By chemical composition Al0.1CoCrFeMnZrZn1.20.04mol aluminium powder, 0.40mol cobalt powder, chromium powder, iron are weighed respectively
The zinc powder of powder, manganese powder and zirconium powder and 0.48mol, the purity of various simple metal powder are above 99.5%；By load weighted above-mentioned proof gold
Category powder is placed in ball grinder, adds stainless steel ball, then seals the ball grinder for being placed with pure metal powder under ar gas environment
Get up；The ball grinder of above-mentioned good seal is placed on planetary ball mill and carries out batch mixing, batch mixing rotating speed is 100rpm, and the time is
4.5h；Powder after above-mentioned uniformly batch mixing is loaded into mould under nitrogen gas protection, mould is heated under inert gas shielding
To 50 DEG C, 200 tons of on-load pressure, pressurize 2min, tap blank is obtained；Above-mentioned blank is sintered 900 under inert gas atmosphere
DEG C, 2h is incubated, produces multi-principal elements alloy screw tap.
Above-described is only the preferred embodiment of the present invention, it is noted that for those skilled in the art,
Under the premise of general idea of the present invention is not departed from, some changes and improvements can also be made, these should also be considered as the present invention's
Protection domain.
Claims (6)
- A kind of 1. multi-principal elements alloy screw tap, it is characterised in that：By chemical composition AlxCoCrFeyMnZrZnzPreparing metal powder, its In 0.1≤x≤1.2,0.1≤y≤1.2,0<z≤1.2；And 0.01<x/(x+y+z+4) <0.20、0.01<y/(x+y+z+4)< 0.20、0<z/(x+y+z+4)<0.20。
- 2. a kind of preparation method of multi-principal elements alloy screw tap as claimed in claim 1, it is characterised in that step is as follows：（1）Metal dust is placed in ball grinder, stainless steel ball is added, then in an inert atmosphere seals ball grinder Come；（2）By step（1）The ball grinder of sealing, which is placed on ball mill, to carry out being mixed to get batch mixing；（3）By step（2）Obtained batch mixing loads mould under inert gas shielding, and mould is heated under inert gas shielding and is arrived 50 ~ 450 DEG C, 40 ~ 200 tons of on-load pressure, 2 ~ 5min of pressurize, obtain tap blank；（4）Above-mentioned blank is sintered 900-1500 DEG C under inert gas atmosphere, 0.5-2h is incubated, produces multi-principal elements alloy silk Cone.
- 3. the preparation method of multi-principal elements alloy screw tap according to claim 2, it is characterised in that：The step（1）, step （3）And step（4）Middle inert gas is argon gas or nitrogen.
- 4. the preparation method of multi-principal elements alloy screw tap according to claim 2, it is characterised in that：The step（2）Middle ball Grinding machine is planetary ball mill.
- 5. the preparation method of multi-principal elements alloy screw tap according to claim 4, it is characterised in that：The rotating speed of the ball mill For 50 ~ 250rpm, time 0.5-6h.
- 6. multi-principal elements alloy screw tap according to claim 1, it is characterised in that：The purity of the metal dust is more than 99.5%。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711112946.7A CN107760971A (en) | 2017-11-13 | 2017-11-13 | A kind of multi-principal elements alloy screw tap and preparation method thereof |
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| CN201711112946.7A CN107760971A (en) | 2017-11-13 | 2017-11-13 | A kind of multi-principal elements alloy screw tap and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108754274A (en) * | 2018-05-03 | 2018-11-06 | 中原工学院 | High abrasion multi-principal elements alloy block materials and preparation method thereof for cutter manufacture |
| CN109338311A (en) * | 2018-11-19 | 2019-02-15 | 中原工学院 | A kind of target enhancing multi-principal elements alloy and preparation method thereof |
| CN109706367A (en) * | 2019-01-30 | 2019-05-03 | 河南一工钻业有限公司 | Multi-principal high-entropy alloy material and its application in screw tap processing |
| CN109750179A (en) * | 2019-01-30 | 2019-05-14 | 河南一工钻业有限公司 | Multi-principal high-entropy alloy material and its application in drill bit processing |
| CN110653432A (en) * | 2019-10-09 | 2020-01-07 | 天津大学 | Self-lubricating extrusion screw tap |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766797A (en) * | 2011-05-04 | 2012-11-07 | 中国科学院金属研究所 | Multi-principal-element alloy |
| CN106893923A (en) * | 2017-03-02 | 2017-06-27 | 中原工学院 | A kind of cutter multi-principal elements alloy and preparation method thereof |
| CN106893920A (en) * | 2017-03-02 | 2017-06-27 | 中原工学院 | A kind of high-wearing feature multi-principal elements alloy cutter and preparation method thereof |
| CN107326333A (en) * | 2017-07-07 | 2017-11-07 | 郑州启航精密科技有限公司 | A kind of multi-principal elements alloy target and preparation method thereof |
-
2017
- 2017-11-13 CN CN201711112946.7A patent/CN107760971A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766797A (en) * | 2011-05-04 | 2012-11-07 | 中国科学院金属研究所 | Multi-principal-element alloy |
| CN106893923A (en) * | 2017-03-02 | 2017-06-27 | 中原工学院 | A kind of cutter multi-principal elements alloy and preparation method thereof |
| CN106893920A (en) * | 2017-03-02 | 2017-06-27 | 中原工学院 | A kind of high-wearing feature multi-principal elements alloy cutter and preparation method thereof |
| CN107326333A (en) * | 2017-07-07 | 2017-11-07 | 郑州启航精密科技有限公司 | A kind of multi-principal elements alloy target and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108754274A (en) * | 2018-05-03 | 2018-11-06 | 中原工学院 | High abrasion multi-principal elements alloy block materials and preparation method thereof for cutter manufacture |
| CN109338311A (en) * | 2018-11-19 | 2019-02-15 | 中原工学院 | A kind of target enhancing multi-principal elements alloy and preparation method thereof |
| CN109706367A (en) * | 2019-01-30 | 2019-05-03 | 河南一工钻业有限公司 | Multi-principal high-entropy alloy material and its application in screw tap processing |
| CN109750179A (en) * | 2019-01-30 | 2019-05-14 | 河南一工钻业有限公司 | Multi-principal high-entropy alloy material and its application in drill bit processing |
| CN110653432A (en) * | 2019-10-09 | 2020-01-07 | 天津大学 | Self-lubricating extrusion screw tap |
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Application publication date: 20180306 |