CN109604963A - A kind of variable modulation period and the heterogeneous method for preparing high-entropy alloy of modulation ratio - Google Patents

A kind of variable modulation period and the heterogeneous method for preparing high-entropy alloy of modulation ratio Download PDF

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CN109604963A
CN109604963A CN201811594109.7A CN201811594109A CN109604963A CN 109604963 A CN109604963 A CN 109604963A CN 201811594109 A CN201811594109 A CN 201811594109A CN 109604963 A CN109604963 A CN 109604963A
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entropy alloy
heterogeneous
alloy
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modulation period
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CN109604963B (en
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江峰
吴亚科
孙军
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Xian Jiaotong University
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Abstract

The invention discloses a kind of variable modulation periods and the heterogeneous method for preparing high-entropy alloy of modulation ratio, belong to high performance alloys manufacturing field.Determine initial and final state modulation period, modulation ratio, periodicity and each layer crystal granularity of heterogeneous material, it is determined for compliance with the master alloy of above-mentioned grain size, according to initial modulation period and modulation ratio, master alloy is processed into corresponding thickness, and clean master alloy surface, determine winged plate and baseplate material, it calculates welding window and determines welding parameter, it is welded to obtain monocycle heterogeneous high-entropy alloy, monocycle heterogeneous high-entropy alloy is formed, according to periodicity, gradually weld the monocycle heterogeneous high-entropy alloy after composite molding, according to final state modulation period, cold deformation is carried out to the monocycle heterogeneous high-entropy alloy after compound, obtain finished product.Cooperate cold deformation processing to prepare heterogeneous high-entropy alloy by high velocity impact welding technique, greatly optimizes the preparation method of the heterogeneous high-entropy alloy of high-performance, improve its performance level and application range.

Description

A kind of variable modulation period and the heterogeneous method for preparing high-entropy alloy of modulation ratio
[technical field]
The invention belongs to high performance alloys manufacturing field, especially a kind of variable modulation period and the heterogeneous high entropy of modulation ratio Alloy preparation method.
[background technique]
High-entropy alloy is a kind of alloy proposed based on new alloy design concept by Ye Junwei in 2004, every kind of member Cellulose content is 5% or more, no clear superiority element, and generally single-phase FCC or BCC in structure also have mixing to tie sometimes Structure.High-entropy alloy has good thermal stability, wearability and corrosion resistance, is a kind of high-performance at present by Devoting Major Efforts To Developing Alloy.
But part high-entropy alloy system, such as Fe40Mn40Co10Cr10, but show that cryogenic property is excellent, and room temperature intensity has The characteristics of limit, limits the actual use of such alloy.Although room can be improved to a certain extent by traditional reinforcing means Warm intensity, but plasticity can be reduced, therefore cause the use of traditional reinforcing means relatively more limited.It is found in academic research at present, By preparing there is the heterogeneous alloy structure of mixing of multilayer difference grain size matched combined can form back stress reinforcing, significantly Improve the intensity and plasticity of material, it is considered to be exploitation high-performance high-entropy alloy and the important means for expanding its application.But at present Preparation method usually pass through and be such as heat-treated, mechanical treatment or powder metallurgy process prepare heterogeneous high-entropy alloy, exist The problems such as alloy internal bond strength is low, forms the range scale and limited internal structure of heterogeneous alloy, operability is lower.
[summary of the invention]
It is an object of the invention to overcome the above-mentioned prior art, a kind of variable modulation period is provided and modulation ratio is non- Homogeneous method for preparing high-entropy alloy.Cold deformation processing is cooperated to prepare heterogeneous high-entropy alloy, pole by high velocity impact welding technique The preparation method of the big optimization heterogeneous high-entropy alloy of high-performance, improves its performance level and application range.
In order to achieve the above objectives, the present invention is achieved by the following scheme:
A kind of variable modulation period and the heterogeneous method for preparing high-entropy alloy of modulation ratio, comprising the following steps:
Step 1, initial and final state modulation period, modulation ratio, periodicity and each layer crystal granularity of heterogeneous alloy are determined;
Step 2, it is determined for compliance with the master alloy of above-mentioned grain size;
Step 3, according to the initial modulation period of step 1 and modulation ratio, master alloy is processed into corresponding thickness, and clean mother Alloy surface;
Step 4, winged plate and baseplate material are determined, welding window is calculated and determines welding parameter, is welded to obtain single-revolution Phase heterogeneous high-entropy alloy;
Step 5, monocycle heterogeneous high-entropy alloy is formed, according to the periodicity determined in step 1, is gradually welded compound Monocycle heterogeneous high-entropy alloy after molding;
Step 6, according to final state modulation period, cold change is carried out to the monocycle heterogeneous high-entropy alloy after compound in step 5 Shape obtains finished product.
A further improvement of the present invention lies in that:
Master alloy in step 2, if ageing strengthening and heat treatment temperature difference less than 50 DEG C, choose solid solution state alloy;It is no Then choose crude annealed state.
Also need after cold deformation to carry out if choosing solid solution state alloy in step 2, in step 6 for restore alloy property when Effect processing.
Welding described in step 4 uses one of explosive welding, electromagnetic pulse welding or metallic film gasification impact welding.
Molding in step 5 welds one-pass molding if the monocycle heterogeneous high-entropy alloy number of plies is layer 2-3;If the number of plies It is 4 layers or more, then using welding successively connection molding.
Molding in step 5 is sequentially connected if the number of plies is 4 layers or more by ingredient, and principle is first compound same material, Compound dissimilar material again.
Cold deformation in step 6 uses one of rolling, drawn or swaged.
Cold deformation reduction in thickness in step 6 is more than or equal to 0% less than 100%.
Compared with prior art, the invention has the following advantages:
The present invention is gasified by high velocity impact welding technique, including explosive welding, electromagnetic pulse welding or metallic film Welding technique is impacted, the high quality connection between each layer of heterogeneous high-entropy alloy may be implemented, and according to design requirement, it is heterogeneous Modulation period, modulation ratio and the periodicity of high-entropy alloy are any optional, it can be achieved that wide alloy combination, wide grain size range large scale The desired combination of alloy, strong operability, the strong room temperature intensity for improving high-entropy alloy can effectively improve heterogeneous high-entropy alloy Type and performance.
[Detailed description of the invention]
Fig. 1 is 1 monocycle of the embodiment of the present invention heterogeneous high-entropy alloy Fe40Mn40Co10Cr10Schematic diagram;
Fig. 2 is the schematic diagram of the embodiment of the present invention 2;Wherein (a) is the monocycle heterogeneous height that electromagnetic pulse is welded Entropy alloy (Fe40Mn40Co10Cr10)97.8C3.3, (b) be the obtained periodicity of metallic film gasification impact welding be 2 it is heterogeneous High-entropy alloy (Fe40Mn40Co10Cr10)97.8C3.3, (c) periodicity to be obtained by 33.3% cold rolling and after timeliness be 2 it is non- Homogeneous high-entropy alloy (Fe40Mn40Co10Cr10)97.8C3.3
Fig. 3 is the schematic diagram of the embodiment of the present invention 3;Wherein (a) is that metallic film gasification impact welding obtains Fe40Mn40Co10Cr10The coarse-grain and fine grain composite plate of composition (b) obtain for metallic film gasification impact welding Fe20Co20Ni20Cr20Mn20The coarse-grain and fine grain composite plate of composition, (c) for electromagnetic pulse weld by Fe40Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20The monocycle of composition heterogeneous high-entropy alloy, (d) obtains for explosive welding Periodicity be 2 Fe40Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20The heterogeneous high-entropy alloy of composition (e) is cold rolling The Fe that the periodicity obtained after 91% is 240Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20The heterogeneous high entropy of composition closes Gold;
Fig. 4 is the schematic diagram of the embodiment of the present invention 4;Wherein (a) is the Fe that electromagnetic pulse is welded40Mn40Co10Cr10Slightly Brilliant and fine grain composite plate, (b) Fe welded for electromagnetic pulse40Mn40Co10Cr10Coarse-grain and fine grain and Fe20Co20Ni20Cr20Mn20Coarse-grain composite plate, (c) Fe welded for electromagnetic pulse40Mn40Co10Cr10With Fe20Co20Ni20Cr20Mn20It is 2 that the monocycle of composition heterogeneous high-entropy alloy, which is (d) periodicity that explosive welding obtains, Fe40Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20The heterogeneous high-entropy alloy of composition (e) obtains for cold rolling 91% later The Fe that periodicity is 240Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20The heterogeneous high-entropy alloy of composition.
[specific embodiment]
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, the embodiment being not all of, and it is not intended to limit range disclosed by the invention.In addition, with In lower explanation, descriptions of well-known structures and technologies are omitted, obscures concept disclosed by the invention to avoid unnecessary.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment should fall within the scope of the present invention.
The various structural schematic diagrams for disclosing embodiment according to the present invention are shown in the attached drawings.These figures are not in proportion It draws, wherein some details are magnified for the purpose of clear expression, and some details may be omitted.As shown in the figure The shape in various regions, layer and relative size, the positional relationship between them out is merely exemplary, in practice may be due to Manufacturing tolerance or technical restriction and be deviated, and those skilled in the art may be additionally designed as required have not Similar shape, size, the regions/layers of relative position.
In context disclosed by the invention, when one layer/element is referred to as located at another layer/element "upper", the layer/element Can may exist intermediate layer/element on another layer/element or between them.In addition, if in a kind of court One layer/element is located at another layer/element "upper" in, then when turn towards when, the layer/element can be located at another layer/ Element "lower".
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product Or other step or units that equipment is intrinsic.
The invention will be described in further detail with reference to the accompanying drawing:
Variable modulation period of the present invention and the heterogeneous method for preparing high-entropy alloy of modulation ratio, comprising the following steps:
Step 1, initial and final state modulation period, modulation ratio, periodicity are determined according to heterogeneous high-entropy alloy design requirement And each layer crystal granularity of heterogeneous material;
Step 2, the commercially available master alloy high-entropy alloy for meeting design requirement grain size is purchased, if master alloy can be strong with timeliness Change and heat treatment temperature is close, then should use solid solution state, otherwise should use crude annealed state;
Step 3, according to initial modulation period and modulation ratio, master alloy is processed into corresponding thickness, and clear up master alloy Surface;
Step 4, winged plate and baseplate material are determined according to the property of each composition material of heterogeneous high-entropy alloy, calculates welding window Mouth simultaneously determines welding parameter, completes welding arrangement, using explosive welding, percussion welding that electromagnetic pulse is welded or metallic film gasifies One of connection technology is welded to obtain monocycle heterogeneous high-entropy alloy;
Step 5, if the alloy number of plies is layer 2-3 in the monocycle, the one-pass molding of step 4 technique is used;If being closed in the monocycle Layer gold number is 4 layers or more, then successively connects molding using step 4 technique, or according to the compound same material of elder generation, compound different again The principle of kind material is connected by ingredient;
Step 6, it is required according to periodicity, uses the process monocycle heterogeneous high entropy that gradually prepared by composite steps 5 Alloy;
Step 7, according to final state modulation period, using one of rolling, drawing or forging, to heterogeneous high-entropy alloy Carry out cold deformation, 0%≤cold deformation reduction in thickness < 100%;
Step 8, if being solid solution state alloy used in step 2, the heterogeneous high-entropy alloy being prepared should be carried out Timeliness is to restore alloy property.
Preparation principle of the invention are as follows: the height between extensive of the same race and different alloys may be implemented in high velocity impact welding technique Quality connection, and compound size is unrestricted, so as to realize any modulation period, modulation ratio and the heterogeneous height of periodicity The preparation of entropy alloy, and performance is high, nature difference is not influenced between by alloy, has greatly expanded the kind of heterogeneous high-entropy alloy Class is greatly improved the performance of high-entropy alloy.
Embodiment 1
Determine heterogeneous high-entropy alloy Fe40Mn40Co10Cr10Initial and final state modulation period is respectively 1500 μm and 1500 μ M, coarse-grain are 2:1 to fine grain modulation ratio, and periodicity 1 uses two kinds 50 μm and 1 μm of grain size;Purchase the mother of two kinds of grain sizes Alloy, the alloy can not ageing strengthening, therefore undeformed annealed state should be used;According to initial modulation period and modulation ratio, respectively plus Work goes out 1000 μm and 500 μm of thickness of coarse-grain and fine grain plate, clears up master alloy surface;Using coarse-grain plate as substrate, with fine grain plate Material is to fly plate, determines welding parameter according to the property of material, using the compound coarse-grain plate of explosion welding technique and fine grain plate, is prepared into The heterogeneous high-entropy alloy Fe for being 1 to periodicity40Mn40Co10Cr10
As shown in Figure 1, by heterogeneous high-entropy alloy in this present embodiment by Fe of the same race40Mn40Co10Cr10Composition, and period Number is 1, therefore only needs a welding process that heterogeneous high-entropy alloy Fe of the double-deck monocycle can be prepared40Mn40Co10Cr10
Embodiment 2
Determine heterogeneous high-entropy alloy (Fe40Mn40Co10Cr10)97.8C3.3Initial and final state modulation period is respectively 1500 μm With 1000 μm, coarse-grain is 2:1 to fine grain modulation ratio, and periodicity 2 uses two kinds 50 μm and 1 μm of grain size;Purchase two kinds of crystal grain The master alloy of degree, the alloy can ageing strengthening, therefore should use solid solution state;According to initial modulation period and modulation ratio, process respectively 1000 μm and 500 μm of thickness of coarse-grain and each two pieces of fine grain plate out clear up master alloy surface;Using coarse-grain plate as substrate, with thin Brilliant plate is to fly plate, determines welding parameter according to the property of material, uses the compound coarse-grain plate of electromagnetic pulse welding technique and fine grain Two pieces of monocycles heterogeneous high-entropy alloy (Fe is prepared in plate40Mn40Co10Cr10)97.8C3.3, as shown in Fig. 2 (a);To aforementioned Obtained two pieces of monocycles heterogeneous high-entropy alloy (Fe40Mn40Co10Cr10)97.8C3.3, welding ginseng is determined according to the property of material Number clears up alloy surface, is gasified using metallic film and impacts welding technique compound two pieces of monocycles heterogeneous high-entropy alloy (Fe40Mn40Co10Cr10)97.8C3.3, as shown in Fig. 2 (b);According to the requirement of final state modulation period, to compound obtained periodicity For 2 heterogeneous high-entropy alloy (Fe40Mn40Co10Cr10)97.8C3.3Progress cold rolling, 1000 μm of reduction in thickness (about 33.3%), As shown in Fig. 2 (c);High-entropy alloy (the Fe heterogeneous to cold rolling state at 400 DEG C40Mn40Co10Cr10)97.8C3.3Timeliness is carried out, when Imitate time 3h;
As shown in Fig. 2, Fig. 2 (a) is the monocycle heterogeneous high-entropy alloy being prepared using electromagnetic pulse welding technique (Fe40Mn40Co10Cr10)97.8C3.3Schematic diagram, Fig. 2 (b) are to gasify to impact the week that welding technique is prepared using metallic film Heterogeneous high-entropy alloy (the Fe that issue is 240Mn40Co10Cr10)97.8C3.3Schematic diagram, when Fig. 2 (c) is by 33.3% cold rolling simultaneously Heterogeneous high-entropy alloy (the Fe that the periodicity obtained after effect is 240Mn40Co10Cr10)97.8C3.3, and modulation period and modulation ratio are full Sufficient design requirement.
Embodiment 3
Determine heterogeneous high-entropy alloy by Fe40Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20Composition, initial and final state tune Period processed is respectively 1000 μm and 90 μm, Fe40Mn40Co10Cr10To Fe20Co20Ni20Cr20Mn20Modulation ratio is 4:1, and coarse-grain is to thin Brilliant modulation ratio is 1:1, and periodicity 2 uses two kinds 50 μm and 1 μm of grain size;The master alloy for purchasing two kinds of grain sizes, due to two Kind of alloy can not ageing strengthening, therefore undressed annealed state should all be used;According to initial modulation period and modulation ratio, process respectively The coarse-grain and fine grain Fe that 400 μm of thickness40Mn40Co10Cr10And 100 μm of thickness of coarse-grain and fine grain Fe20Co20Ni20Cr20Mn20 Each two pieces of plate, clear up master alloy surface;Using coarse-grain plate as substrate, it is to fly plate with fine grain plate, is determined according to the property of material Welding parameter is gasified using metallic film and impacts the compound Fe of welding technique difference40Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20 It is compound to reuse the compound two kinds of high-entropy alloys thickness crystalline substance of electromagnetic pulse welding technique such as Fig. 3 (a) and (b) for coarse-grain plate and fine grain plate Plate, so that two pieces of monocycle heterogeneous high-entropy alloys are prepared, as shown in Fig. 3 (c);To two pieces obtained above Fe40Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20The monocycle of composition heterogeneous high-entropy alloy is determined according to the property of material Welding parameter clears up alloy surface, uses the compound heterogeneous high-entropy alloy for obtaining periodicity and being 2 of explosion welding technique, such as Fig. 3 (d) shown in;According to the requirement of final state modulation period, the heterogeneous high-entropy alloy that compound obtained periodicity is 2 carries out cold rolling, thick 910 μm of drafts (91%) is spent, as shown in Fig. 3 (e);As shown in Fig. 3 (e), finally obtaining periodicity is 2 Fe40Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20The heterogeneous high-entropy alloy of composition, meets design requirement.
As shown in figure 3, Fig. 3 (a) and (b) are respectively to gasify to impact what welding technique was prepared using metallic film Fe40Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20The coarse-grain and fine grain composite plate of composition, Fig. 3 (c) are to use electromagnetism arteries and veins Rush that welding technique is prepared by Fe40Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20The monocycle of composition heterogeneous high entropy Alloy, Fig. 3 (d) are the Fe for the use of the periodicity that explosion welding technique is prepared being 240Mn40Co10Cr10With Fe20Co20Ni20Cr20Mn20The heterogeneous high-entropy alloy of composition, Fig. 3 (e) are that the periodicity that cold rolling 91% obtains later is 2 Fe40Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20The heterogeneous high-entropy alloy of composition, and modulation period and modulation ratio satisfaction are set Meter requires.
Embodiment 4
Determine heterogeneous high-entropy alloy by Fe40Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20Composition, initial and final state tune Period processed is respectively 1000 μm and 90 μm, Fe40Mn40Co10Cr10To Fe20Co20Ni20Cr20Mn20Modulation ratio is 4:1, and coarse-grain is to thin Brilliant modulation ratio is 1:1, and periodicity 2 uses two kinds 50 μm and 1 μm of grain size;The master alloy for purchasing two kinds of grain sizes, due to two Kind of alloy can not ageing strengthening, therefore undressed annealed state should all be used;According to initial modulation period and modulation ratio, process respectively The coarse-grain and fine grain Fe that 400 μm of thickness40Mn40Co10Cr10And 100 μm of thickness of coarse-grain and fine grain Fe20Co20Ni20Cr20Mn20 Each two pieces of plate, clear up master alloy surface;With Fe40Mn40Co10Cr10Coarse-grain plate is substrate, according to Fe40Mn40Co10Cr10Fine grain Plate, Fe20Co20Ni20Cr20Mn20The sequence of coarse-grain plate and fine grain plate is welded respectively using electromagnetic pulse welding technique, system It is standby to obtain two pieces of Fe40Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20The monocycle of composition heterogeneous high-entropy alloy, such as Fig. 4 (a)-(c);To two pieces of obtained Fe40Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20The monocycle of composition, heterogeneous high entropy closed Gold determines welding parameter according to the property of material, clears up alloy surface, the use of the compound periodicity that obtains of explosion welding technique is 2 Heterogeneous high-entropy alloy, such as Fig. 4 (d);According to the requirement of final state modulation period, to compound obtained periodicity be 2 it is non- The progress cold rolling of matter high-entropy alloy, 910 μm of reduction in thickness (91%), such as Fig. 4 (e);As shown in Fig. 4 (e), periodicity is finally obtained For 2 Fe40Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20The heterogeneous high-entropy alloy of composition, meets design requirement.
As shown in figure 4, Fig. 4 (a), (b) are respectively to be prepared using electromagnetic pulse welding technique with (c) Fe40Mn40Co10Cr10Coarse-grain and fine grain composite plate, Fe40Mn40Co10Cr10Coarse-grain and fine grain and Fe20Co20Ni20Cr20Mn20Slightly Brilliant composite plate, Fe40Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20The monocycle of composition heterogeneous high-entropy alloy, Fig. 4 (d) are The Fe for the use of the periodicity that explosion welding technique is prepared being 240Mn40Co10Cr10And Fe20Co20Ni20Cr20Mn20What is formed is non- Homogeneous high-entropy alloy, Fig. 4 (e) are the Fe that the periodicity that cold rolling 91% obtains later is 240Mn40Co10Cr10With Fe20Co20Ni20Cr20Mn20The heterogeneous high-entropy alloy of composition, and modulation period and modulation ratio meet design requirement.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention Protection scope within.

Claims (8)

1. a kind of variable modulation period and the heterogeneous method for preparing high-entropy alloy of modulation ratio, which comprises the following steps:
Step 1, initial and final state modulation period, modulation ratio, periodicity and each layer crystal granularity of heterogeneous alloy are determined;
Step 2, it is determined for compliance with the master alloy of above-mentioned grain size;
Step 3, according to the initial modulation period of step 1 and modulation ratio, master alloy is processed into corresponding thickness, and clean master alloy Surface;
Step 4, winged plate and baseplate material are determined, welding window is calculated and simultaneously determines welding parameter, is welded to obtain the monocycle non- Homogeneous high-entropy alloy;
Step 5, monocycle heterogeneous high-entropy alloy is formed, according to the periodicity determined in step 1, gradually welds composite molding The heterogeneous high-entropy alloy of monocycle afterwards;
Step 6, according to final state modulation period, cold deformation is carried out to the monocycle heterogeneous high-entropy alloy after compound in step 5, is obtained To finished product.
2. variable modulation period as described in claim 1 and the heterogeneous method for preparing high-entropy alloy of modulation ratio, which is characterized in that step Master alloy in rapid 2, if ageing strengthening and heat treatment temperature difference less than 50 DEG C, choose solid solution state alloy;Otherwise choose without The annealed state of processing.
3. variable modulation period as claimed in claim 2 and the heterogeneous method for preparing high-entropy alloy of modulation ratio, which is characterized in that if Solid solution state alloy is chosen in step 2, then also needs to carry out the ageing treatment for restoring alloy property after cold deformation in step 6.
4. variable modulation period as described in claim 1 and the heterogeneous method for preparing high-entropy alloy of modulation ratio, which is characterized in that step Rapid 4 welding uses one of explosive welding, electromagnetic pulse welding or metallic film gasification impact welding.
5. variable modulation period as described in claim 1 and the heterogeneous method for preparing high-entropy alloy of modulation ratio, which is characterized in that step Molding in rapid 5 welds one-pass molding if the monocycle heterogeneous high-entropy alloy number of plies is layer 2-3;If the number of plies be 4 layers and with On, then using welding successively connection molding.
6. variable modulation period as claimed in claim 5 and the heterogeneous method for preparing high-entropy alloy of modulation ratio, which is characterized in that step Molding in rapid 5 is sequentially connected if the number of plies is 4 layers or more by ingredient, and principle is first compound same material, then compound xenogenesis Material.
7. variable modulation period as described in claim 1 and the heterogeneous method for preparing high-entropy alloy of modulation ratio, which is characterized in that step Cold deformation in rapid 6 uses one of rolling, drawn or swaged.
8. variable modulation period as described in claim 1 and the heterogeneous method for preparing high-entropy alloy of modulation ratio, which is characterized in that step Cold deformation reduction in thickness in rapid 6 is more than or equal to 0% less than 100%.
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US11339817B2 (en) 2016-08-04 2022-05-24 Honda Motor Co., Ltd. Multi-material component and methods of making thereof
US11511375B2 (en) 2020-02-24 2022-11-29 Honda Motor Co., Ltd. Multi component solid solution high-entropy alloys

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CN105296893A (en) * 2014-07-01 2016-02-03 中国科学院宁波材料技术与工程研究所 High-entropy amorphous alloy and preparation method and application thereof
CN108642449A (en) * 2018-05-29 2018-10-12 武汉大学 Superhard tough high-entropy alloy nitride nano composite coating hard alloy blade and preparation method thereof

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US11318566B2 (en) 2016-08-04 2022-05-03 Honda Motor Co., Ltd. Multi-material component and methods of making thereof
US11339817B2 (en) 2016-08-04 2022-05-24 Honda Motor Co., Ltd. Multi-material component and methods of making thereof
CN110129751A (en) * 2019-05-22 2019-08-16 江苏理工学院 A kind of multi-layer compound film and preparation method of high-entropy alloy and glassy metal
CN110344040A (en) * 2019-08-16 2019-10-18 哈尔滨工业大学 A kind of preparation method of the ultralight high-entropy alloy with microarray structure
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CN112626364A (en) * 2020-10-29 2021-04-09 西安福莱电工合金有限公司 Method for preparing high-entropy alloy with non-uniform layered structure by powder metallurgy method
CN112626364B (en) * 2020-10-29 2022-02-18 西安福莱电工合金有限公司 Method for preparing high-entropy alloy with non-uniform layered structure by powder metallurgy method
CN114345974A (en) * 2021-12-29 2022-04-15 无锡市蓝格林金属材料科技有限公司 Preparation method of CuCoCrFeNi high-entropy alloy wire

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