CN110253970B - Iron-indium annular composite microcrystalline magnetic disk - Google Patents
Iron-indium annular composite microcrystalline magnetic disk Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 116
- GBOGAFPRHXVKNT-UHFFFAOYSA-N [Fe].[In] Chemical compound [Fe].[In] GBOGAFPRHXVKNT-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000013081 microcrystal Substances 0.000 claims abstract description 71
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 40
- 229910052742 iron Inorganic materials 0.000 claims abstract description 28
- 229910052738 indium Inorganic materials 0.000 claims abstract description 18
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims 2
- 238000004140 cleaning Methods 0.000 claims 1
- 238000005238 degreasing Methods 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000004506 ultrasonic cleaning Methods 0.000 claims 1
- 239000013078 crystal Substances 0.000 description 17
- 239000012530 fluid Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- JHYLKGDXMUDNEO-UHFFFAOYSA-N [Mg].[In] Chemical compound [Mg].[In] JHYLKGDXMUDNEO-UHFFFAOYSA-N 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 229910001449 indium ion Inorganic materials 0.000 description 3
- -1 iron ions Chemical class 0.000 description 3
- 238000001000 micrograph Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- AUCDRFABNLOFRE-UHFFFAOYSA-N alumane;indium Chemical compound [AlH3].[In] AUCDRFABNLOFRE-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000013332 literature search Methods 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
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- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/16—Layered products comprising a layer of metal next to a particulate layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
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Abstract
The invention discloses an iron-indium annular composite microcrystal magnetic disk, wherein a surface material layer is arranged on a magnetic disk part, the main components of the surface material layer comprise more than 40 percent (Wt percent) of iron and more than 30 percent (Wt percent) of indium, and a composite spherical microcrystal unit is formed by closely combining not less than 4 spherical grains or approximate spherical grains with the diameter of less than 200nm, a closed outer ring or an outer ring with the gap of less than 2 mu m is formed by distributing and forming the closed outer ring or the outer ring with the gap of less than 2 mu m, a plurality of single grains with the diameter of less than 200nm or composite microcrystals formed by closely combining not less than 2 spherical grains with the diameter of less than 200nm or approximate spherical grains are densely arranged in the ring to form an annular composite microcrystal; the surface material layer of the part and the base material are integrated, and the surface material layer attached to each small hole such as a threaded hole is removed to form the iron-indium annular composite microcrystalline magnetic disk.
Description
Technical Field
The invention relates to an iron-indium annular composite microcrystalline magnetic disk.
Background
The magnetic disc can be used for restraining flowing liquid or gas so as to change the path, state, speed and the like of the flowing liquid or gas, and is one of important parts in the fields of magnetohydrorheology, gas rheology and the like.
The magnetic disk is usually a rotor that can move or rotate.
The invention relates to an iron-indium annular composite microcrystalline magnetic disk, which is developed for effectively changing parameters such as the path, the state, the speed and the like of liquid or gas flowing through.
As a result of literature search and patent search, there is no report on an iron-indium annular composite microcrystalline magnetic disk containing more than 40% (Wt%) iron and more than 30% (Wt%) indium at home.
Disclosure of Invention
The invention provides an iron-indium annular composite microcrystalline magnetic disk, which is realized by the following technical scheme that a surface material layer is arranged on a magnetic disk part, the main components of the surface material layer comprise more than 40 percent (Wt percent) of iron and more than 30 percent (Wt percent) of indium, a composite spherical microcrystalline unit is formed by tightly combining not less than 4 spherical grains with the diameter of less than 200nm or approximately spherical grains, a closed outer ring or an outer ring with the gap of less than 2 mu m is formed by distribution, a plurality of single grains with the diameter of less than 200nm or composite microcrystals are densely arranged in the ring and are formed by tightly combining not less than 2 spherical grains with the diameter of less than 200nm or approximately spherical grains, and an annular composite microcrystal is formed, and gaps with the diameter of more than 10nm exist among different annular composite microcrystals; the surface material layer of the part and the base material are integrated, and the surface material layer attached to each small hole such as a threaded hole is removed to form the iron-indium annular composite microcrystalline magnetic disk.
The shape and size of the annular composite microcrystal of the iron-indium annular composite microcrystal magnetic disk can be changed.
The inventor of the invention has found that the magnetic disk is used for restraining the liquid or gas with the flow speed less than 0.5m/s, and particularly the magnetic rheological liquid in the magnetic rheological field and the iron-indium annular composite microcrystalline magnetic disk effectively change the action mechanisms of the path, the state, the speed and the like of the flowing liquid or gas, and the action mechanisms are greatly different from the related magnetic disk performances reported by most domestic and foreign scholars. The iron-indium annular composite microcrystalline magnetic disk can form a composite viscoelastic magnetorheological fluid state of a micro magnet in magnetorheological fluid on the surface of the magnetic disk, so that the research on the iron-indium annular composite microcrystalline magnetic disk has important application value and practical significance.
Compared with the prior art, the related technology of the iron-indium annular composite microcrystalline magnetic disk is greatly improved: patent CN102918182A (published as 20130206), the metallographic structure of the fretting wear resistant layer of which uses copper as the main raw material and may also contain indium and iron, the content of iron in the copper-based alloy is 0.2wt% -0.5wt%, the formation of the copper mixed crystal grain with nanometer size and preferred orientation is supported or at least not hindered, so that the fretting wear resistant layer has more uniform performance distribution; in the surface material layer, the iron content is more than 40 percent (Wt percent), the indium content is more than 30 percent (Wt percent), iron and indium are main components, the components are obviously different, and the structure, the ion proportion and the ion combination mode of iron ions and indium ions of the iron-indium annular composite microcrystal are different from those of copper mixed crystal grains of CN 102918182A; the copper mixed crystal grain of CN102918182A can only realize the common technology of 'preferred orientation', the invention realizes the technology of 'iron indium annular composite microcrystal forming one annular composite microcrystal by iron indium annular composite microcrystal, and gaps larger than 10nm exist between different annular composite microcrystals', and the technology is obviously different. A patent entitled "indium-iron composite spherical microcrystal composite layer (ZL 201410481181.4)", "indium-iron composite spherical microcrystal composite layer surface texture (ZL 201410481180.2)", wherein "the metallographic structure of the surface material layer has composite spherical microcrystal units containing more than 50% (Wt%) indium and more than 55% (Wt%) total content of indium and iron, the indium-iron composite spherical microcrystal units are in close-packed array which is approximately regular by row unit or by column unit", and the component is obviously different from the component of "the surface material layer contains more than 40% (Wt%) iron and more than 30% (Wt%) indium, and the arrangement mode of the composite microcrystal units is also obviously different; because of different components, the structure, the ion proportion and the ion combination mode of iron ions and indium ions of the iron-indium annular composite microcrystal are different from those of composite spherical microcrystal units of 'indium-iron composite microcrystal composite layer (ZL 201410481181.4)' and 'indium-iron composite spherical microcrystal composite layer surface texture (ZL 201410481180.2)', and the invention relates to that 'the iron-indium annular composite microcrystal forms an annular composite microcrystal, gaps larger than 10nm exist among different annular composite microcrystals', and the technical principle of the arrangement mode of the composite microcrystal units is obviously different from those of 'indium-iron composite spherical microcrystal composite layer (ZL 201410481181.4)' and 'indium-iron composite spherical microcrystal composite layer surface texture (ZL 201410481180.2)'; the granted patents of 'indium-iron reticular spherical composite microcrystal composite layer (ZL 201410481176.3)', 'indium-iron reticular spherical composite microcrystal composite layer surface texture (ZL 201410481178.2)', wherein the main components of the surface material layer are that the indium content exceeds 50 percent (Wt percent) and the total content of the indium and the iron exceeds 55 percent (Wt percent), indium-iron composite spherical microcrystal units with larger volume are formed by closely combining not less than 4 spherical crystal grains or similar spherical crystal grains and are distributed according to a certain rule to form a grid, and a plurality of single crystal grains are densely arranged in the grid or not less than 2 spherical crystal grains or similar spherical crystal grains are closely combined to form indium-iron microcrystal units with smaller volume, compared with the granted patents of the invention, the granted patents are obviously different, and the main patents are that: a, the main components of the surface material layer of the invention are that the iron content is more than 40 percent (Wt percent) and the indium content is more than 30 percent (Wt percent), and the components are obviously different; b, the composite microcrystals are arranged to form a ring-shaped composite microcrystals, and the arrangement forms are obviously different; and C, gaps larger than 10nm exist among different annular composite microcrystals, the gaps are discrete, indium-iron composite spherical microcrystal composite layers (ZL201410481176.3) and indium-iron composite spherical microcrystal composite layer surface textures (ZL201410481178.2) in the indium-iron composite spherical microcrystal composite layers are distributed according to a certain rule to form grids, and different grids are tightly connected. Because of different components, the iron ion and indium ion ratio and the ion combination mode of the iron-indium annular composite microcrystal are different from those of composite spherical microcrystal units of an indium-iron reticular spherical composite microcrystal composite layer (ZL201410481176.3) and an indium-iron reticular spherical composite microcrystal composite layer surface texture (ZL201410481178.2), and the arrangement technical principle of the composite microcrystal units is also obviously different; the contents of an indium-magnesium concave microcrystal composite layer (ZL201410481279.X), an indium-magnesium concave microcrystal composite layer surface texture (ZL 201410481282.1), an indium-aluminum composite spherical microcrystal composite layer surface texture (ZL 201410481278.5), an indium-aluminum composite spherical microcrystal composite layer (ZL 201410481275.1), an indium-magnesium composite spherical microcrystal composite layer (ZL 201410481213.0) and an indium-magnesium composite spherical microcrystal composite layer surface texture (ZL 201410481208.X) in issued patents are obviously different from those of the invention. CN101804551A femtosecond laser preparation method of micro-nano composite texturing cutter and CN2692409 axle bush granted patent, the content of the invention is obviously different from the invention. Therefore, the related technology of the invention has obvious and significant improvements and creativity.
The invention realizes that the main component of the surface material layer is the composite microcrystal which contains more than 40 percent (Wt percent) of iron and more than 30 percent (Wt percent) of indium and consists of a plurality of spherical crystal grains or approximately spherical crystal grains with the diameter of less than 200nm to form an annular composite microcrystal, gaps with the diameter of more than 10nm exist among different annular composite microcrystals, and the magnetorheological fluid on the surface of the magnetic disk can form a composite viscoelastic magnetorheological fluid state of a micro magnet, so the crystal grains of the iron-indium annular composite microcrystal magnetic disk have important application value and practical significance.
The invention has the advantages that the invention can form the composite viscoelasticity magnetorheological fluid state of the micro magnet on the magnetorheological fluid on the surface of the magnetic disk, has convenient use, simple structure, strong applicability and proper application cost, and is suitable for batch production.
Drawings
FIG. 1 is a schematic structural view of an iron-indium annular composite microcrystalline magnetic disk according to example 1 of the present invention.
FIG. 2 is a scanning electron microscope image of an iron-indium annular composite microcrystalline magnetic disk sample according to example 1 of the present invention.
In the figure, 1 is a surface material layer, and 2 is a base material.
Detailed Description
The invention will be further explained with reference to the drawings.
Example 1
Fig. 1 is a schematic structural diagram of an iron-indium annular composite microcrystalline magnetic disk according to embodiment 1 of the present invention, and fig. 2 is a scanning electron microscope image of an iron-indium annular composite microcrystalline magnetic disk sample according to embodiment 1 of the present invention, in which 1 is a surface material layer and 2 is a base material.
The iron-indium annular composite microcrystal magnetic disk is characterized in that: in a dry and clean air environment, the 40Cr steel material is kept warm for 5 minutes at 170 ℃, is rapidly cooled, is made into a magnetic disk part by a mechanical processing method, is ground, cleaned, degreased and derusted on the corresponding surface of the magnetic disk part, is finely ground, cleaned by ultrasonic waves and dried, is provided with a surface material layer on the magnetic disk part, the main components of the surface material layer are that the iron content exceeds 40 percent (Wt percent) and the indium content exceeds 30 percent (Wt percent), a plurality of single crystal grains with the diameter less than 200nm or spherical crystal grains with the diameter less than or equal to 200nm are tightly combined to form a composite spherical microcrystal unit, a closed outer ring or an outer ring with the gap less than 2 mu m is formed by distribution, a plurality of single crystal grains with the diameter less than 200nm or composite microcrystals formed by tightly combining not less than 2 spherical crystal grains with the diameter less than 200nm or spherical microcrystals, gaps larger than 10nm exist among different annular composite microcrystals; the surface material layer of the part and the base material are integrated, and the surface material layer attached to each small hole such as a threaded hole is removed to form the iron-indium annular composite microcrystalline magnetic disk.
The scanning electron microscope image of the surface material layer of the sample of the iron-indium annular composite microcrystal magnetic disk is shown in figure 2, the invention realizes that the main components of the surface material layer are composite microcrystals which contain more than 40 percent (Wt%) of iron and more than 30 percent (Wt%) of indium and are composed of a plurality of spherical crystal grains or approximately spherical crystal grains with the diameter of less than 200nm to form an annular composite microcrystal, gaps with the diameter of more than 10nm exist among different annular composite microcrystals, and the magnetorheological fluid on the surface of the magnetic disk can form a composite viscoelastic magnetorheological fluid state of a micro magnet.
Claims (3)
1. The iron-indium annular composite microcrystalline disk is characterized in that a surface material layer is arranged on a disk part, the main components of the surface material layer comprise more than 40Wt% of iron and more than 30Wt% of indium, a composite spherical microcrystalline unit is formed by tightly combining not less than 4 spherical grains with the diameter of less than 200nm or similar spherical grains, a closed outer ring or an outer ring with the gap of less than 2 mu m is formed by distributing and forming the closed outer ring or the outer ring with the gap of less than 2 mu m, a plurality of single grains with the diameter of less than 200nm or composite microcrystals are densely arranged in the ring, and the composite microcrystals are formed by tightly combining not less than 2 spherical grains with the diameter of less than 200nm or similar spherical grains to form an annular composite microcrystal, and gaps with the diameter of more than; the surface material layer of the part and the base material are integrated, and the surface material layer attached to each small hole is removed to form the iron-indium annular composite microcrystalline magnetic disk.
2. The annular composite microcrystalline magnetic disc of iron indium according to claim 1, wherein: the shape and size of the annular composite microcrystal of the iron-indium annular composite microcrystal magnetic disk can be changed.
3. The annular composite microcrystalline magnetic disc of iron indium according to claim 1, wherein: the iron-indium annular composite microcrystalline disk is characterized in that in a dry and clean air environment, a 40Cr steel material is kept at 170 ℃ for 5 minutes, is rapidly cooled and is made into a disk part by a machining method, after grinding, cleaning, degreasing and derusting are carried out on the corresponding surface of the disk part, fine grinding, ultrasonic cleaning and drying are carried out, a surface material layer is arranged on the disk part, the main components of the surface material layer are that iron content exceeds 40Wt percent and indium content exceeds 30Wt percent, a composite spherical microcrystalline unit is formed by closely combining not less than 4 spherical grains with the diameter of less than 200nm or approximate spherical grains, a closed outer ring or an outer ring with the gap of less than 2 mu m is formed by distributing the surface material layer, a plurality of single grains with the diameter of less than 200nm or composite microcrystals formed by closely combining not less than 2 spherical grains with the diameter of less than 200nm or approximate spherical grains are densely arranged in the, forming a ring-shaped composite microcrystal, wherein gaps larger than 10nm exist among different ring-shaped composite microcrystals; the surface material layer of the part and the base material are integrated, and the surface material layer attached to each small hole is removed to form the iron-indium annular composite microcrystalline magnetic disk.
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| JP5669280B2 (en) * | 2013-01-15 | 2015-02-12 | 国立大学法人東北大学 | Oxide hollow particles, production method thereof, and oxide hollow particle production apparatus |
| CN104228206B (en) * | 2014-09-20 | 2016-04-13 | 福建船政交通职业学院 | Indium iron netted ball compound crystallite composite bed |
| CN104228188B (en) * | 2014-09-20 | 2016-04-13 | 福建船政交通职业学院 | Indium iron netted ball compound crystallite composite bed Surface Texture |
| CN104228189B (en) * | 2014-09-20 | 2016-04-13 | 福建船政交通职业学院 | Indium iron composite balls crystallite composite bed |
| CN104228190B (en) * | 2014-09-20 | 2016-04-13 | 福建船政交通职业学院 | Indium iron composite balls crystallite composite bed Surface Texture |
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