CN109763057A - A kind of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material and preparation method thereof - Google Patents
A kind of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy materials and preparation method thereof, belong to technical field of high-entropy, in order to solve the problems, such as that high-entropy alloy intensity is weak, which includes two kinds of nonmetalloids of five kinds of metallic elements of Fe, Co, Ni, Mn, Cu and B, C；Wherein, metallic element Fe, Co, Ni, Mn, Cu is configured by atomic ratio 1:1:1:1:1, and nonmetalloid B and C account for 0.3%~0.5% configuration alloy powder of entire alloy material gross mass.The present invention is by by five kinds of metallic elements and two kinds of nonmetalloid mechanical alloyings, make the mutual uniform alloy of solid solution forming component of multielement, Fe-Co-Ni-Mn-Cu-B-C high-entropy alloy plasticity with higher and intensity made from first mechanical alloying and the mode being sintered afterwards.
Description
Technical field
The present invention relates to a kind of high entropy alloy materials and preparation method thereof, more particularly to a kind of Fe-Co-Ni-Mn-Cu-
B-C high entropy alloy material and preparation method thereof, belongs to technical field of high-entropy.
Background technique
The concept of " high-entropy alloy " proposes by Taiwan's scholars leaf is luxuriant with nineteen ninety-five, be mainly used for tool, cutter, grinding tool,
The magnetic core of motor, oil pressure atmospheric pressure pole, the heat proof material of high frequency transformer and high temperature and microcomputer electric material etc..High-entropy alloy contains more
Kind essential element, wherein every kind of host element all contains higher molar fraction, generally between 5% to 35%, research finds to close
Metallic element type is more in gold, is more also easy to produce intermetallic compound, and alloy property is made to be deteriorated, plasticity and weakened.
Summary of the invention
The main object of the present invention is to solve the problems, such as that high-entropy alloy plasticity and intensity are weak in the prior art, and provide one kind
Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material and preparation method thereof.
The purpose of the present invention can reach by using following technical solution:
A kind of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material, including five kinds of metallic elements of Fe, Co, Ni, Mn, Cu and B,
Two kinds of nonmetalloids of C；Wherein, metallic element Fe, Co, Ni, Mn, Cu is configured by atomic ratio 1:1:1:1:1, nonmetalloid B
0.3%~0.5% configuration alloy powder of entire alloy material gross mass is accounted for C.
According to parts by weight, which includes following ingredient:
26 parts of pure Fe powder；
27 parts of pure Co powder；
28 parts of pure Ni powder；
25 parts of pure Mn powder；
29 parts of pure copper powder；
Pure B powder and each 0.27 part of pure C powder.
Pure Fe powder, pure Co powder, pure Ni powder, pure Mn powder, pure copper powder, the elemental powders granular size of pure B powder and pure C powder are
325 mesh, oxygen content in power are below 0.1%, and nitrogen content is below 0.05%.
A kind of preparation method of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material, includes the following steps:
Step 1: configuration alloy powder
Two kinds of nonmetalloids of five kinds of metallic elements of Fe, Co, Ni, Mn, Cu and B, C are uniformly mixed；
Step 2: ball milling preliminary mechanical alloying is carried out to alloy powder
Alloy powder configured in step 1 is placed in progress preliminary mechanical alloying in planetary ball mill；
Step 3: the alloy powder after sintering ball milling
Alloy powder after ball milling in step 2 is put into high-temperature atmosphere smelting furnace and is sintered, Fe-Co-Ni- is made
Mn-Cu-B-C high-entropy alloy.
In step 1, the amount of five kinds of metallic elements Fe, Co, Ni, Mn, Cu are configured by atomic number ratio 1:1, and two kinds nonmetallic
Element B and the amount of C account for the 0.3%~0.5% of total amount, and seven kinds of elemental powders granular sizes are 325 mesh, the simple substance powder
Last oxygen content is below 0.1%, and nitrogen content is below 0.05%.
In step 2, each planetary ball mill contains several ball grinders, is put into diameter in each ball grinder and is
5~20mm, weight are the stainless steel ball of 1~3kg, and the weight that each ball grinder is put into alloy powder is 200~500g, when ball milling
Between be 2~5h, drum's speed of rotation be 200~500r/min.
In step 2, starts to go in ball milling dehydrated alcohol is added in ball grinder, additional amount 200ml.
In step 2, after the completion of ball milling, mixture is put into vacuum oven and is dried, drying temperature is 50 DEG C
~100 DEG C, drying time is 2~3h.
In step 3, the protection gas in high-temperature atmosphere smelting furnace is argon gas, and heating rate is 5 DEG C/min, and sintering temperature is
1000 DEG C~1300 DEG C, sintering pressure 0.02MPa, 3~5h of soaking time, rate of temperature fall is 3 DEG C/min.
Advantageous effects of the invention:
A kind of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material provided by the invention and preparation method thereof, by by five kinds
Metallic element and two kinds of nonmetalloid mechanical alloyings make the mutual uniform alloy of solid solution forming component of multielement, first chance
High-entropy alloy plasticity with higher and intensity made from tool alloying and the mode being sintered afterwards.
Detailed description of the invention
Fig. 1 is the SEM figure of the pattern of simple substance Cu metallic particles of the present invention；
Fig. 2 is the SEM figure of Fe-Co-Ni-Mn-Cu-B-C high-entropy alloy granule-morphology after ball milling of the present invention.
Specific embodiment
To make the more clear and clear technical solution of the present invention of those skilled in the art, the present invention is made below further
Detailed description, embodiments of the present invention are not limited thereto.
The preparation method of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material provided in this embodiment, includes the following steps:
Step 1: configuration alloy powder
Two kinds of nonmetalloids of five kinds of metallic elements of Fe, Co, Ni, Mn, Cu and B, C are mixed, wherein five kinds of metallic elements
Amount by atomic number ratio 1:1 configure, nonmetalloid B and C account for gross mass 0.42% configuration alloy powder, use electronic balance
Pure Fe powder 26g, pure Co powder 27g, pure Ni powder 28g, pure Mn powder 25g, pure copper powder 29g are weighed, pure each 0.27g of B and C powder will be weighed
Powder particle mixing be placed in sample strip, altogether configure 4 parts；
Step 2: ball milling preliminary mechanical alloying is carried out to alloy powder
Alloy powder configured in step 1 is placed in progress preliminary mechanical alloying, machine in planetary ball mill
For planetary ball mill, the stainless steel ball that diameter is 5,10,15,20mm, four ball grinders point are put into each ball grinder
It is not put into configured 300g alloy powder, adds the dehydrated alcohol of 200ml, starts ball milling, time 2h, drum's speed of rotation
Mixture after ball milling is put into vacuum oven and is dried after the completion for 200r/min, drying temperature is 80 DEG C, dry
Time is 2.5h；
Step 3: the alloy powder after sintering ball milling
Alloy powder after will be dry in step 2 is put into processed graphite crucible, is put into high-temperature atmosphere smelting furnace,
It is evacuated to -0.06MPa, protective gas argon gas is poured into furnace and restores furnace pressure to positive pressure, recycles above-mentioned vacuum
Three times, setting sintering procedure is as follows: it is first warming up to 300 DEG C, keeps the temperature half an hour, then be warming up to 1200 DEG C, rate is all 5 DEG C/
Min keeps the temperature 4 hours later, then is down to room temperature, and rate of temperature fall is 3 DEG C/min, and heating and cooling air pressure keep morning 0.03MPa, warp
The Fe-Co-Ni-Mn-Cu-B-C high-entropy alloy plasticity with higher and intensity that above-mentioned steps sinter into.
In the present embodiment, referring to figs. 1 and 2, Fig. 1 is the SEM figure of the pattern of simple substance Cu metallic particles, and Fig. 2 is
The SEM figure of Fe-Co-Ni-Mn-Cu-B-C high-entropy alloy granule-morphology after ball milling, by by five kinds of metallic elements and two kinds of non-gold
Belong to element mechanical alloying, make the mutual uniform alloy of solid solution forming component of multielement, first mechanical alloying and is sintered afterwards
The plasticity with higher of high-entropy alloy made from mode and intensity.
A kind of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material manufactured in the present embodiment plasticity with higher and intensity.
The above, further embodiment only of the present invention, but scope of protection of the present invention is not limited thereto, and it is any
Within the scope of the present disclosure, according to the technique and scheme of the present invention and its design adds those familiar with the art
With equivalent substitution or change, protection scope of the present invention is belonged to.
Claims (9)
1. a kind of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material, which is characterized in that including five kinds of gold of Fe, Co, Ni, Mn, Cu
Belong to two kinds of nonmetalloids of element and B, C；Wherein, metallic element Fe, Co, Ni, Mn, Cu is configured by atomic ratio 1:1:1:1:1, non-
Metallic element B and C account for 0.3%~0.5% configuration alloy powder of entire alloy material gross mass.
2. a kind of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material as described in claim 1, which is characterized in that by weight
Number meter, which includes following ingredient:
26 parts of pure Fe powder；
27 parts of pure Co powder；
28 parts of pure Ni powder；
25 parts of pure Mn powder；
29 parts of pure copper powder；
Pure B powder and each 0.27 part of pure C powder.
3. a kind of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material as described in claim 1, which is characterized in that pure Fe powder,
Pure Co powder, pure Ni powder, pure Mn powder, pure copper powder, the elemental powders granular size of pure B powder and pure C powder are 325 mesh, and powder oxygen contains
Amount is below 0.1%, and nitrogen content is below 0.05%.
4. a kind of preparation side of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material as claimed in any one of claims 1-3
Method, which comprises the steps of:
Step 1: configuration alloy powder
Two kinds of nonmetalloids of five kinds of metallic elements of Fe, Co, Ni, Mn, Cu and B, C are uniformly mixed；
Step 2: ball milling preliminary mechanical alloying is carried out to alloy powder
Alloy powder configured in step 1 is placed in progress preliminary mechanical alloying in planetary ball mill；
Step 3: the alloy powder after sintering ball milling
Alloy powder after ball milling in step 2 is put into high-temperature atmosphere smelting furnace and is sintered, Fe-Co-Ni-Mn-Cu- is made
B-C high-entropy alloy.
5. a kind of preparation method of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material as claimed in claim 4, feature exist
In in step 1, the amount of five kinds of metallic elements Fe, Co, Ni, Mn, Cu are configured by atomic number ratio 1:1, two kinds of nonmetalloid B
The 0.3%~0.5% of total amount is accounted for the amount of C, seven kinds of elemental powders granular sizes are 325 mesh, the elemental powders oxygen
Content is below 0.1%, and nitrogen content is below 0.05%.
6. a kind of preparation method of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material as claimed in claim 4, feature exist
In, in step 2, each planetary ball mill contains several ball grinders, be put into each ball grinder diameter be 5~
20mm, weight are the stainless steel ball of 1~3kg, and the weight that each ball grinder is put into alloy powder is 200~500g, Ball-milling Time
For 2~5h, drum's speed of rotation is 200~500r/min.
7. a kind of preparation method of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material as claimed in claim 6, feature exist
In, in step 2, starts to go in ball milling dehydrated alcohol is added in ball grinder, additional amount 200ml.
8. a kind of preparation method of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material as claimed in claim 7, feature exist
In, in step 2, after the completion of ball milling, mixture is put into vacuum oven and is dried, drying temperature be 50 DEG C~100
DEG C, drying time is 2~3h.
9. a kind of preparation method of Fe-Co-Ni-Mn-Cu-B-C high entropy alloy material as claimed in claim 4, feature exist
In in step 3, the protection gas in high-temperature atmosphere smelting furnace is argon gas, and heating rate is 5 DEG C/min, and sintering temperature is 1000 DEG C
~1300 DEG C, sintering pressure 0.02MPa, 3~5h of soaking time, rate of temperature fall is 3 DEG C/min.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763056A (en) * | 2018-12-24 | 2019-05-17 | 江苏理工学院 | A kind of Fe-Co-Ni-Mn-Cu high entropy alloy material and its preparation process |
| CN110144476A (en) * | 2019-06-04 | 2019-08-20 | 中北大学 | A kind of preparation method of aluminium cobalt ferrochrome nickel high-entropy alloy |
| CN110257686A (en) * | 2019-07-10 | 2019-09-20 | 江苏理工学院 | A kind of FeCuNiCoVAlB high entropy alloy material and preparation method thereof |
| CN111321316A (en) * | 2020-04-14 | 2020-06-23 | 紫金矿业集团黄金冶炼有限公司 | Preparation method of gold-nickel alloy material |
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| CN107475596A (en) * | 2017-08-10 | 2017-12-15 | 哈尔滨工业大学 | A kind of high entropy intermetallic compound |
| CN109022990A (en) * | 2018-09-21 | 2018-12-18 | 成都理工大学 | A kind of preparation method of high-entropy alloy Binder Phase Ti (C, N) based ceramic metal |
| CN109338250A (en) * | 2018-10-29 | 2019-02-15 | 昆明理工大学 | A kind of iron-based porous amorphous alloy and preparation method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107475596A (en) * | 2017-08-10 | 2017-12-15 | 哈尔滨工业大学 | A kind of high entropy intermetallic compound |
| CN109022990A (en) * | 2018-09-21 | 2018-12-18 | 成都理工大学 | A kind of preparation method of high-entropy alloy Binder Phase Ti (C, N) based ceramic metal |
| CN109338250A (en) * | 2018-10-29 | 2019-02-15 | 昆明理工大学 | A kind of iron-based porous amorphous alloy and preparation method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763056A (en) * | 2018-12-24 | 2019-05-17 | 江苏理工学院 | A kind of Fe-Co-Ni-Mn-Cu high entropy alloy material and its preparation process |
| CN109763056B (en) * | 2018-12-24 | 2021-09-24 | 江苏理工学院 | Fe-Co-Ni-Mn-Cu high-entropy alloy material and preparation process thereof |
| CN110144476A (en) * | 2019-06-04 | 2019-08-20 | 中北大学 | A kind of preparation method of aluminium cobalt ferrochrome nickel high-entropy alloy |
| CN110257686A (en) * | 2019-07-10 | 2019-09-20 | 江苏理工学院 | A kind of FeCuNiCoVAlB high entropy alloy material and preparation method thereof |
| CN110257686B (en) * | 2019-07-10 | 2021-05-18 | 江苏理工学院 | FeCuNiCoVAlB high-entropy alloy material and preparation method thereof |
| CN111321316A (en) * | 2020-04-14 | 2020-06-23 | 紫金矿业集团黄金冶炼有限公司 | Preparation method of gold-nickel alloy material |
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