CN114892059A - Iron-zirconium-based alloy material and preparation method thereof - Google Patents

Iron-zirconium-based alloy material and preparation method thereof Download PDF

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CN114892059A
CN114892059A CN202210519228.6A CN202210519228A CN114892059A CN 114892059 A CN114892059 A CN 114892059A CN 202210519228 A CN202210519228 A CN 202210519228A CN 114892059 A CN114892059 A CN 114892059A
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alloy material
iron
zirconium
based alloy
mass
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赵克中
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C30/00Alloys containing less than 50% by weight of each constituent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12Both compacting and sintering
    • B22F3/14Both compacting and sintering simultaneously
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/02Making ferrous alloys by powder metallurgy
    • C22C33/0257Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C22C33/0285Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/10Ferrous alloys, e.g. steel alloys containing cobalt
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
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Abstract

The invention discloses an iron-zirconium-based alloy material and a preparation method thereof, belonging to the technical field of alloy smelting, wherein the alloy material is prepared from the following raw materials in percentage by mass with the average particle size of not more than 10 mu m: w22-29%, Co 13-20%, Se 3-7% and the balance of Fe + Zr, wherein the Fe/Zr ratio is 1.2-1.8, the purity of each component is more than or equal to 99.9%, and the sum of the mass percentages is 100%. The alloy material has excellent performances of high temperature resistance, wear resistance and corrosion resistance, and very good physical and mechanical properties, and is very suitable for manufacturing parts such as sealing parts, bearing parts, sliding parts and the like in the industrial production field.

Description

Iron-zirconium-based alloy material and preparation method thereof
Technical Field
The invention relates to the technical field of alloy smelting, in particular to an iron-zirconium-based alloy material and a preparation method thereof.
Background
With the development of social economy, the modern industrial production field puts higher and higher requirements on metal materials, and the metal materials are impacted by high polymer materials and ceramic materials, so that the metal materials are challenged unprecedentedly, and the improvement of the quality of the existing materials and the development of new functions of the metal materials are urgently needed.
The alloy material is a very important metal material, plays an extremely important role in various fields of industrial production, and how to better improve the performance of the alloy material or develop a novel alloy material is a problem of current and future major attention in the field of industrial production. However, the iron-zirconium-based alloy prepared in the prior art has low strength and low wear resistance, and cannot meet the increasingly-improved quality requirements of people.
Disclosure of Invention
The present invention is directed to an iron-zirconium based alloy material and a method for preparing the same, which solve the problems of the background art mentioned above.
In order to achieve the purpose, the invention provides the following technical scheme: an iron-zirconium-based alloy material is prepared from the following raw materials with the average grain diameter not greater than 10 mu m in percentage by mass: w22-29%, Co 13-20%, Se 3-7% and the balance of Fe + Zr, wherein the Fe/Zr ratio is 1.2-1.8, the purity of each component is more than or equal to 99.9%, and the sum of the mass percentages is 100%.
Preferably, the alloy material is prepared from the following raw materials in percentage by mass: w25%, Co 16%, Se 4%, Zr 22% and the balance of Fe.
Preferably, the alloy material is prepared from the following raw materials in percentage by mass: w27%, Co 15%, Se 5%, Zr 23% and the balance of Fe.
Preferably, the alloy material is prepared from the following raw materials in percentage by mass: w28%, Co 18%, Se 7%, Zr 18% and the balance of Fe.
Preferably, the alloy material is prepared from the following raw materials in percentage by mass: w23%, Co 14%, Se 3%, Zr 25% and the balance of Fe.
A method for preparing an iron-zirconium based alloy material, comprising the steps of:
step one, respectively weighing raw materials with the average particle size of not more than 10 μm according to the mass percentage, wherein the purity of each component is not less than 99.9 percent, and the sum of the mass percentages is 100 percent;
step two, uniformly mixing the components weighed in the step one by using a powder mixer;
filling the mixture subjected to the mixing treatment in the step two into a forming grinding tool, and performing compression forming by using a powder sample press to obtain a base material;
and step four, sintering the base material obtained in the step three in a vacuum hot-pressing sintering mode at the sintering temperature of 1380-1460 ℃ to obtain the iron-zirconium-based alloy material.
Preferably, the pressing pressure of the powder press machine in the step three is controlled to be 25-30 MPa.
Preferably, the vacuum pressure of the vacuum condition in the fourth step is 5.5X 10 -5 ~1.0×10 -4 Pa。
Compared with the prior art, the invention has the beneficial effects that: according to the iron-zirconium-based alloy material, iron is subjected to solid solution to enter tungsten to form a solid solution phase, the strength of the alloy is obviously improved by adding zirconium, the sensitivity of the alloy to corrosion is reduced, the physical and mechanical properties of the alloy are obviously improved by cobalt, and the alloy has wear resistance and wear reduction performance by reaction of selenium and metal. The material obtained after sintering has excellent performances of high temperature resistance, wear resistance and corrosion resistance, and very good physical and mechanical properties, and is very suitable for manufacturing parts such as sealing parts, bearing parts, sliding parts and the like.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The weighed alloy material is prepared from the following raw materials in percentage by mass: w25%, Co 16%, Se 4%, Zr 22% and the balance of Fe; uniformly mixing the weighed components by using a powder mixer, filling the mixed mixture into a forming grinding tool, and performing compression forming by using a powder compression machine to obtain a base material, wherein the compression pressure of the powder compression machine is controlled at 25 MPa; sintering the obtained base material in a vacuum hot-pressing sintering mode, wherein the vacuum pressure under the vacuum condition is 5.5 multiplied by 10 -5 ~1.0×10 -4 Pa, and the sintering temperature is 1380 ℃, thus obtaining the iron-zirconium-based alloy material.
Example 2
The weighed alloy material is prepared from the following raw materials in percentage by mass: w27%, Co 15%, Se 5%, Zr 23% and the balance of Fe; uniformly mixing the weighed components by using a powder mixer, filling the mixed mixture into a forming grinding tool, and performing compression forming by using a powder compression machine to obtain a base material, wherein the compression pressure of the powder compression machine is controlled at 28 MPa; sintering the obtained base material in a vacuum hot-pressing sintering mode, wherein the vacuum pressure under the vacuum condition is 5.5 multiplied by 10 -5 ~1.0×10 -4 Pa, and the sintering temperature is 1400 ℃, thus obtaining the iron-zirconium-based alloy material.
Example 3
The weighed alloy material is prepared from the following raw materials in percentage by mass: w28%, Co 18%, Se 7%, Zr 18% and the balance of Fe; uniformly mixing the weighed components by using a powder mixer, filling the mixed mixture into a forming grinding tool, and performing compression forming by using a powder compression machine to obtain a base material, wherein the compression pressure of the powder compression machine is controlled at 28 MPa; sintering the obtained base material in a vacuum hot-pressing sintering mode, wherein the vacuum pressure under the vacuum condition is 5.5 multiplied by 10 -5 ~1.0×10 -4 Pa, and the sintering temperature is 1420 ℃, thus obtaining the iron-zirconium-based alloy material.
Example 4
The weighed alloy material is prepared from the following raw materials in percentage by mass: w23%, Co 14%, Se 3%, Zr 25% and the balance of Fe; uniformly mixing the weighed components by using a powder mixer, filling the mixed mixture into a forming grinding tool, and performing compression forming by using a powder compression machine to obtain a base material, wherein the compression pressure of the powder compression machine is controlled at 30 MPa; sintering the obtained base material in a vacuum hot-pressing sintering mode, wherein the vacuum pressure under the vacuum condition is 5.5 multiplied by 10 -5 ~1.0×10 -4 Pa, and the sintering temperature is 1460 ℃, thus obtaining the iron-zirconium-based alloy material.
The four groups of examples 1 to 4 were tested, and the expansion coefficient was measured using a ws-sdt-2000 metal linear expansion coefficient measuring instrument, and room temperature tensile testing of the ferrozirconium alloy was performed on an Instron5948 mechanical property testing system, and the ferrozirconium alloy sheet was prepared as a tensile sample having the dimensions: length x width x thickness equal to 6 x 3 x 0.5mm 3 The radius of the transition circle is 3mm, the total length is 25mm, and the tensile strain rate is as follows: 1.5X 10 -3 s -1 And measuring the length change of the sample marker by using a video extensometer in the test process.
The physical and mechanical properties and the frictional wear properties of the iron-zirconium based alloy material are shown in tables 1 and 2 respectively.
TABLE 1 physical and mechanical Properties of an iron-zirconium based alloy Material
Figure BDA0003642576050000041
TABLE 2 Friction-ABRASION PROPERTIES OF IRON-ZIRCONIUM-BASED ALLOY MATERIAL
Temperature of Coefficient of friction Wear rate x 10 -14 ,m 3 /(N·m) Elongation percentage%
20 0.33~0.46 1.78~3.97 13.6
400 0.23~0.35 0.45~2.93 14.2
600 0.16~0.31 0.35~2.22 14.8
The iron-zirconium-based alloy material provided by the invention is prepared by selecting Co with high hardness, high density, strong plasticity, small thermal expansion coefficient, high temperature resistance, corrosion resistance and excellent mechanical properties, Se with improved wear resistance, Zr with good corrosion resistance, plasticity and sintering performance and Fe with good ductility and suitable for powder metallurgy and alloy material preparation to be subjected to vacuum hot-pressing sintering, wherein the average particle size of the components is not more than 10 mu m. In the sintering process, iron is dissolved into tungsten in a solid solution mode to form a solid solution phase, the strength of the alloy is obviously improved by adding zirconium, the sensitivity of the alloy to corrosion is reduced, the physical and mechanical properties of the alloy are obviously improved by cobalt, and the alloy has wear resistance and wear reduction performance by the reaction of selenium and metal. The material obtained after sintering has excellent performances of high temperature resistance, wear resistance and corrosion resistance, and very good physical and mechanical properties, and is very suitable for manufacturing parts such as sealing parts, bearing parts, sliding parts and the like.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (8)

1. An iron-zirconium-based alloy material is prepared from the following raw materials with the average grain diameter not greater than 10 mu m in percentage by mass: w22-29%, Co 13-20%, Se 3-7% and the balance of Fe + Zr, wherein the Fe/Zr ratio is 1.2-1.8, the purity of each component is more than or equal to 99.9%, and the sum of the mass percentages is 100%.
2. An iron-zirconium based alloy material according to claim 1, characterized in that: the alloy material is prepared from the following raw materials in percentage by mass: w25%, Co 16%, Se 4%, Zr 22% and the balance of Fe.
3. An iron-zirconium based alloy material according to claim 1, characterized in that: the alloy material is prepared from the following raw materials in percentage by mass: w27%, Co 15%, Se 5%, Zr 23% and the balance of Fe.
4. An iron-zirconium based alloy material according to claim 1, characterized in that: the alloy material is prepared from the following raw materials in percentage by mass: w28%, Co 18%, Se 7%, Zr 18% and the balance of Fe.
5. An iron-zirconium based alloy material according to claim 1, characterized in that: the alloy material is prepared from the following raw materials in percentage by mass: w23%, Co 14%, Se 3%, Zr 25% and the balance of Fe.
6. A method for producing an iron-zirconium based alloy material according to claim 1, characterized by comprising the steps of:
step one, respectively weighing raw materials with the average particle size of not more than 10 μm according to the mass percentage, wherein the purity of each component is not less than 99.9 percent, and the sum of the mass percentages is 100 percent;
step two, uniformly mixing the components weighed in the step one by using a powder mixer;
filling the mixture subjected to the mixing treatment in the step two into a forming grinding tool, and performing compression forming by using a powder sample press to obtain a base material;
and step four, sintering the base material obtained in the step three in a vacuum hot-pressing sintering mode at the sintering temperature of 1380-1460 ℃ to obtain the iron-zirconium-based alloy material.
7. The method for producing an iron-zirconium-based alloy material according to claim 6, characterized in that: and the pressing pressure of the powder pressing machine in the third step is controlled to be 25-30 MPa.
8. The method for producing an iron-zirconium-based alloy material according to claim 6, characterized in that: the vacuum pressure of the vacuum condition in the fourth step is 5.5X 10 -5 ~1.0×10 -4 Pa。
CN202210519228.6A 2022-05-13 2022-05-13 Iron-zirconium-based alloy material and preparation method thereof Pending CN114892059A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020159914A1 (en) * 2000-11-07 2002-10-31 Jien-Wei Yeh High-entropy multielement alloys
US20170209922A1 (en) * 2014-07-23 2017-07-27 Hitachi, Ltd. Alloy structure and method for producing alloy structure
WO2017164709A1 (en) * 2016-03-24 2017-09-28 영남대학교 산학협력단 Metal composite
CN110358941A (en) * 2019-08-12 2019-10-22 河南科技大学 A kind of tungsten alloy material and preparation method thereof
CN113725480A (en) * 2021-06-10 2021-11-30 北京航空航天大学 Composite electrolyte material and preparation method and application thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020159914A1 (en) * 2000-11-07 2002-10-31 Jien-Wei Yeh High-entropy multielement alloys
US20170209922A1 (en) * 2014-07-23 2017-07-27 Hitachi, Ltd. Alloy structure and method for producing alloy structure
WO2017164709A1 (en) * 2016-03-24 2017-09-28 영남대학교 산학협력단 Metal composite
CN110358941A (en) * 2019-08-12 2019-10-22 河南科技大学 A kind of tungsten alloy material and preparation method thereof
CN113725480A (en) * 2021-06-10 2021-11-30 北京航空航天大学 Composite electrolyte material and preparation method and application thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈勇志 等, 西南交通大学出版社 *

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