CN113957332A - High-hardness wear-resistant material composition - Google Patents

High-hardness wear-resistant material composition Download PDF

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Publication number
CN113957332A
CN113957332A CN202111048279.7A CN202111048279A CN113957332A CN 113957332 A CN113957332 A CN 113957332A CN 202111048279 A CN202111048279 A CN 202111048279A CN 113957332 A CN113957332 A CN 113957332A
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China
Prior art keywords
percent
resistant material
material composition
hardness wear
hardness
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Pending
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CN202111048279.7A
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Chinese (zh)
Inventor
王圣棻
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Pleiades Shanghai New Materials Co ltd
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Pleiades Shanghai New Materials Co ltd
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Priority to CN202111048279.7A priority Critical patent/CN113957332A/en
Publication of CN113957332A publication Critical patent/CN113957332A/en
Pending legal-status Critical Current

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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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
    • C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
    • C23C24/106—Coating with metal alloys or metal elements only

Abstract

The invention relates to a high-hardness wear-resistant material composition, wherein elements comprise iron (Fe), carbon (C), silicon (Si), manganese (Mn), chromium (Cr), nickel (Ni), vanadium (V), molybdenum (Mo) and cobalt (Co); the weight ratio of the elements is as follows: 0.6 to 1.6 percent of C, 0.5 to 1.2 percent of Si, 0.2 to 0.5 percent of Mn, 4 to 10 percent of Cr, 0.01 to 0.1 percent of Ni, 1 to 6 percent of V, 1 to 5 percent of Mo and 1 to 5 percent of Co; fe is more than or equal to 80 percent. The high-carbon alloy can be attached to the surfaces of metal products such as a punch, a cutter and the like through a laser cladding additive manufacturing technology, so that the performance of the metal products is improved, the hardness and the wear resistance are improved, and the problem that the high-carbon alloy is easy to crack is solved.

Description

High-hardness wear-resistant material composition
Technical Field
The invention relates to a high-hardness wear-resistant material, in particular to a high-hardness wear-resistant material which can be subjected to additive manufacturing through laser cladding.
Background
In the production process of metal forming, special tool equipment is needed to determine the form and the performance of a product, and the part needs to have the performances of high hardness, high wear resistance, impact resistance and the like due to strong impact.
The additive manufacturing (3D printing) process brings a new idea for the processing and production of the punch and the cutter. A high-hardness wear-resistant alloy layer is formed on the surfaces of the punch and the cutter (blade) base materials through additive manufacturing (such as a laser cladding technology), so that on one hand, the high performance requirement on the base materials can be reduced, the cost of the base materials is reduced, and on the other hand, the processing of the punch and the cutter blade is facilitated.
There is a need to find a welding material and an alloy material with high hardness, wear resistance and impact resistance, which should be easily attached to the punch and cutter surfaces by laser cladding additive manufacturing techniques.
Disclosure of Invention
The application provides a high-hardness wear-resistant material which can be attached to the surfaces of metal products such as a punch and a cutter through a laser cladding additive manufacturing technology, so that the performance of the metal products is improved.
In a first aspect, the present application provides a high-hardness wear-resistant material composition, wherein the elements include iron (Fe), carbon (C), silicon (Si), manganese (Mn), chromium (Cr), nickel (Ni), vanadium (V), molybdenum (Mo), and cobalt (Co).
In a preferred embodiment, the high-hardness wear-resistant material composition comprises the following elements in parts by weight: 0.6 to 1.6 percent of C, 0.5 to 1.2 percent of Si, 0.2 to 0.5 percent of Mn, 4 to 10 percent of Cr, 0.01 to 0.1 percent of Ni, 1 to 6 percent of V, 1 to 5 percent of Mo and 1 to 5 percent of Co; fe is more than or equal to 80 percent.
In a preferred embodiment, the high-hardness wear-resistant material composition comprises the following elements in parts by weight: 0.8-1.4% of C, 0.6-1.0% of Si, 0.25-0.35% of Mn, 5-9% of Cr, 0.03-0.08% of Ni, 2-5% of V, 2-3.5% of Mo and 2-4% of Co; fe is more than or equal to 80 percent.
In a preferred embodiment, the high-hardness wear-resistant material composition comprises the following elements in parts by weight: 1.0-1.2% of C, 0.7-0.8% of Si, 0.28-0.3% of Mn, 6.5-7.5% of Cr, 0.05-0.06% of Ni, 78-3.8% of V3, 2.5-3% of Mo and 2.8-3.5% of Co; fe is more than or equal to 80 percent.
In a preferred embodiment, sulphur (S) may also be present. The S content is preferably not more than 0.02%, more preferably 0.001 to 0.02%, more preferably 0.005 to 0.015%, more preferably 0.01 to 0.012% in terms of weight ratio.
In a preferred embodiment, phosphorus (P) may also be present. The P content is preferably not more than 0.003%, more preferably 0.0005 to 0.002%, still more preferably 0.0008 to 0.001% by weight.
In a preferred embodiment, tungsten (W) may also be present. The W content is preferably not more than 0.02%, more preferably 0.0001 to 0.01% by weight.
In a preferred embodiment, the high-hardness wear-resistant material composition described herein is in a powder form. Preferably, the high-hardness wear-resistant material composition is in a form of spherical powder. The particle size is preferably between 10 and 80 μm, more preferably between 15 and 65 μm, for example between 15 and 55 μm.
The present application provides a method of increasing the hardness and wear resistance of a metal article comprising:
a metal product is provided which is a metal product,
the high-hardness wear-resistant material composition is attached to the surface of a metal product by a laser cladding technology.
In a preferred embodiment, the metal product may be any one or more of a punch (including a punching head), a cutter, a file, and a saw.
In a preferred embodiment, the laser cladding means that the powdered high-hardness wear-resistant material composition falls on the surface of the metal product around a laser beam, and the laser beam moves at a preset speed.
A metal article comprising a substrate, and an alloy layer covering a surface of the substrate, the alloy layer being made of the high-hardness wear-resistant material composition according to the first aspect of the present application.
In a preferred embodiment, the high-hardness wear-resistant material composition is attached to the surface of the metal article substrate by a laser cladding technique.
The high-hardness wear-resistant material composition provided by the application can be used for surface reinforcement of tools such as punches, cutters and the like, high hardness and high wear resistance are obtained, and the defects of easiness in cracking and brittleness caused by high-carbon alloy are overcome. According to the application, the balance of impact resistance and high strength is realized by combining specific element proportion and laser surfacing (laser cladding).
Drawings
Fig. 1 is a schematic structural view of a metal composition additive manufacturing apparatus for welding.
Illustration of the drawings:
1. a laser beam; 2. a powdered wear resistant material composition; 3. a molten pool; 4. a punch surface.
Detailed Description
The application provides a high-hardness wear-resistant material composition and application thereof. The wear-resistant material composition comprises the following elements:
c0.6-1.6%, preferably 0.8-1.4%, more preferably 1.0-1.2%;
si 0.5-1.2%, preferably 0.6-1.0%, more preferably 0.7-0.8%;
mn 0.2-0.5%, preferably 0.25-0.35%, more preferably 0.28-0.3%;
cr 4-10%, preferably 5-9%, more preferably 6.5-7.5%;
0.01 to 0.1% of Ni, preferably 0.03 to 0.08%, more preferably 0.05 to 0.06%;
v1-6%, preferably 2-5%, more preferably 3-3.8%;
mo 1-5%, preferably 2-3.5%, more preferably 2.5-3%;
1-5% of Co; preferably 2-4%, more preferably 2.8-3.5%;
s is less than or equal to 0.02 percent, preferably 0.005 to 0.015 percent, and more preferably 0.01 to 0.012 percent;
p is less than or equal to 0.003 percent, preferably 0.0005 to 0.002 percent, and more preferably 0.0008 to 0.001 percent;
w is less than or equal to 0.02 percent, preferably 0.0001 to 0.01 percent;
fe is more than or equal to 80 percent (or the rest is Fe).
The material composition described herein is preferably in the form of a spherical powder. The particle size is preferably between 10 and 80 μm, more preferably between 15 and 65 μm, for example between 15 and 55 μm.
Example 1
In this embodiment, each element component is:
C 1.0％；Si 0.8％；Mn 0.25％；Cr 7％；Ni 0.06％；V 3.5％；Mo 2.5％；Co 2.8％；
0.01 percent of S; p is 0.001 percent; w is less than or equal to 0.01 percent; the balance being Fe.
Example 2
In this embodiment, each element component is:
C 1.4％；Si 0.7％；Mn 0.3％；Cr 6.5％；Ni 0.05％；V 3.0％；Mo 2.8％；Co 3.5％；
0.012% of S; p is 0.001 percent; w is less than or equal to 0.01 percent; the balance being Fe.
Example 3
In this embodiment, each element component is:
C 1.0％；Si 0.8％；Mn 0.28％；Cr 7.1％；Ni 0.06％；V 3.2％；Mo 2.6％；Co 3％；
0.012% of S; p is 0.001 percent; w is less than or equal to 0.01 percent; the balance being Fe.
Example 4
In this embodiment, each element component is:
C 0.8％；Si 1.0％；Mn 0.33％；Cr 7.3％；Ni 0.07％；V 3.8％；Mo 3.0％；Co 3％；
0.012% of S; p is 0.001 percent; w is less than or equal to 0.01 percent; the balance being Fe.
The composition in the above embodiment of the present application is attached to a base material by a laser cladding technique, and the hardness test result of the obtained alloy material is as follows:
example 1 Example 2 Example 3 Example 4
A layer of 54 55 56 53
Two layers of 60 60 61 60
Three layers 58 60 60 57
Each element in the alloy can bring about the change of crystal form and phase. Generally, C element in alloy steel increases brittleness although it can increase hardness, and thus the weight content is not recommended to exceed 0.35%, otherwise cracking easily occurs. According to the method, in order to obtain high hardness, the brittleness of the high-C alloy steel is solved through the specific proportion of multiple elements.
The composition in the embodiment of the application is attached to a base material through a laser cladding technology, and the obtained alloy material has the following impact resistance test result:
example 1 Example 2 Example 3 Example 4
Tensile strength, MPa 990.83 841.1 947.1 963.5
Elongation percentage of% 0.72 0.35 0.55 0.61
Example 5
Referring to fig. 1, the composition of the above example was powdered. The composition 2 is attached to the surface of the punch through a laser cladding technology and is used for providing hardness, wear resistance and strength of the punch. Specifically, the powdery composition 2 is uniformly converged into the focused laser beam 1, and the powder flow is coaxially coupled out from the laser beam 1. The laser beam 1 heats the punch surface 4 into a molten pool 3, the powdery composition 2 is sprayed into the molten pool 3, and the powder 2 is deposited to form a formed part.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.

Claims (10)

1. A high-hardness wear-resistant material composition is characterized in that elements comprise Fe, C, Si, Mn, Cr, Ni, V, Mo and Co; the weight ratio of the elements is as follows:
C 0.6-1.6％，Si 0.5-1.2％，Mn 0.2-0.5％，Cr 4-10％，Ni 0.01-0.1％，V 1-6％，Mo 1-5％，Co 1-5％；Fe≥80％。
2. the high-hardness wear-resistant material composition according to claim 1, wherein the element weight ratio is:
C 0.8-1.4％，Si 0.6-1.0％，Mn 0.25-0.35％，Cr 5-9％，Ni 0.03-0.08％，V 2-5％，Mo 2-3.5％，Co 2-4％；Fe≥80％。
3. the high-hardness wear-resistant material composition according to claim 1, wherein the element weight ratio is:
C 1.0-1.2％，Si 0.7-0.8％，Mn 0.28-0.3％，Cr 6.5-7.5％，Ni 0.05-0.06％，V 3-3.8％，Mo 2.5-3％，Co 2.8-3.5％；Fe≥80％。
4. the high-hardness wear-resistant material composition according to claim 1, further comprising S, wherein S is not more than 0.02% by weight.
5. The high-hardness wear-resistant material composition according to claim 1, further comprising P, wherein the content of P is not more than 0.003% by weight.
6. The high-hardness wear-resistant material composition according to claim 1, further comprising W, in a weight ratio, in an amount of not more than 0.02%.
7. The high-hardness wear-resistant material composition according to claim 1, wherein the high-hardness wear-resistant alloy composition is in a form of spherical powder.
8. A method of increasing the hardness and wear resistance of a metal article, comprising:
a metal product is provided which is a metal product,
attaching the high-hardness wear-resistant material composition of claim 1 to the surface of a metal product by a laser cladding technique.
9. The method of claim 8, wherein the laser cladding is that the powdered high hardness wear-resistant material composition is dropped onto the surface of the metal product around a laser beam, and the laser beam moves at a preset speed.
10. A metal product comprising a substrate and an alloy layer covering a surface of the substrate, wherein the alloy layer is made of the high-hardness wear-resistant material composition according to claim 1.
CN202111048279.7A 2021-09-08 2021-09-08 High-hardness wear-resistant material composition Pending CN113957332A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112442691A (en) * 2020-11-24 2021-03-05 重庆机电增材制造有限公司 Automobile stamping die insert and laser strengthening manufacturing method thereof
CN114635131A (en) * 2022-03-24 2022-06-17 上海交通大学 Preparation method of alloy coating and metal part

Citations (8)

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Publication number Priority date Publication date Assignee Title
US20130343944A1 (en) * 2012-05-08 2013-12-26 Boehler Edelstahl Gmbh & Co. Kg Material with high resistance to wear
CN104128600A (en) * 2014-07-09 2014-11-05 浙江工业大学 Special powder for laser combination manufacturing of hot-working die and preparation process thereof
CN109576602A (en) * 2018-10-31 2019-04-05 仪征市昌达粉末冶金制品有限公司 A kind of automobile engine powder metallurgy valve seat
CN109881109A (en) * 2019-04-25 2019-06-14 重庆大学 A kind of preparation method of laser cladding of material and laser cladding coating
CN110172693A (en) * 2019-05-15 2019-08-27 上海交通大学 A kind of crystal boundary toughening high rigidity ferrio wear-resistant material and preparation method thereof
CN110788516A (en) * 2019-11-05 2020-02-14 上海欣冈贸易有限公司 High-hardness welding material
CN112011731A (en) * 2020-07-23 2020-12-01 深圳艾利门特科技有限公司 Wear-resistant alloy and preparation method thereof
CN112941503A (en) * 2021-01-14 2021-06-11 上海欣冈贸易有限公司 Method for improving hardness of H13 steel

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130343944A1 (en) * 2012-05-08 2013-12-26 Boehler Edelstahl Gmbh & Co. Kg Material with high resistance to wear
CN104128600A (en) * 2014-07-09 2014-11-05 浙江工业大学 Special powder for laser combination manufacturing of hot-working die and preparation process thereof
CN109576602A (en) * 2018-10-31 2019-04-05 仪征市昌达粉末冶金制品有限公司 A kind of automobile engine powder metallurgy valve seat
CN109881109A (en) * 2019-04-25 2019-06-14 重庆大学 A kind of preparation method of laser cladding of material and laser cladding coating
CN110172693A (en) * 2019-05-15 2019-08-27 上海交通大学 A kind of crystal boundary toughening high rigidity ferrio wear-resistant material and preparation method thereof
CN110788516A (en) * 2019-11-05 2020-02-14 上海欣冈贸易有限公司 High-hardness welding material
CN112011731A (en) * 2020-07-23 2020-12-01 深圳艾利门特科技有限公司 Wear-resistant alloy and preparation method thereof
CN112941503A (en) * 2021-01-14 2021-06-11 上海欣冈贸易有限公司 Method for improving hardness of H13 steel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112442691A (en) * 2020-11-24 2021-03-05 重庆机电增材制造有限公司 Automobile stamping die insert and laser strengthening manufacturing method thereof
CN114635131A (en) * 2022-03-24 2022-06-17 上海交通大学 Preparation method of alloy coating and metal part

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