CN109023164B - Wear-resistant welding head material and preparation method thereof - Google Patents

Wear-resistant welding head material and preparation method thereof Download PDF

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CN109023164B
CN109023164B CN201811214130.XA CN201811214130A CN109023164B CN 109023164 B CN109023164 B CN 109023164B CN 201811214130 A CN201811214130 A CN 201811214130A CN 109023164 B CN109023164 B CN 109023164B
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zirconium
copper
wear
welding head
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CN109023164A (en
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刘瑞
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Shenzhen Jibaishun Technology Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C45/00—Amorphous alloys
    • C22C45/10—Amorphous alloys with molybdenum, tungsten, niobium, tantalum, titanium, or zirconium or Hf as the major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/11—Making amorphous alloys
    • 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
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/48—Ion implantation

Abstract

The invention provides a wear-resistant welding head material, and belongs to the field of alloys. The invention overcomes the defects of the prior artThe welding head in the technology has the defects of poor wear resistance and poor plasticity, and a novel metal glass material is prepared, so that the novel metal glass material has excellent heat conductivity and can have both wear resistance and plasticity. The material is zirconium-copper-based metallic glass injected with argon ions, wherein the percentage expression of the element of the zirconium-copper-based metallic glass is ZrxCu0.80‑xSnyBizGdwYvSiu. The nano-hardness of the material can reach 15.4GPa, and the abrasion life is 638 m.

Description

Wear-resistant welding head material and preparation method thereof
Technical Field
The invention belongs to the field of alloys, and particularly relates to a wear-resistant welding head material and a preparation method thereof.
Background
During the production process of electronic components, enameled wires are often required to be welded, and during the welding operation completed by winding equipment or welding equipment, a spot welding head is an indispensable tool; in the process of welding the connecting parts of the electronic components together through the spot welding head, the spot welding head is electrified to generate heat and apply pressure to the connecting parts of the electronic components to complete welding.
As a welding consumable, the hardness, heating performance and temperature resistance of the welding contact surface of the spot welding head have important influence on the service life of the welding head, namely the hardness, heating performance and temperature resistance of the welding surface of the welding head become important standards for measuring the quality of the spot welding head. However, the existing welding head generally has the defects of low hardness, general heating performance, poor temperature resistance and short service life, and the spot welding head can cause the appearance shape to change after long-time welding, thereby affecting the spot welding effect.
Metallic glass is a potential material for performing the various functions required for a spot welding head. The metallic glass is also called amorphous alloy, and is a novel alloy material which is synthesized by the prior metallurgical technology and has much higher strength than common metal. The metal glass has many excellent mechanical, physical and chemical properties due to its unique disordered structure and the characteristics of common metals and glasses.
However, the research on the specific mechanism in the prior art is insufficient, and it is not known what property changes are brought by the metal glasses with different specific proportions, and in the actual research, a small change of some elements brings huge property changes to the finally obtained metal glass. And therefore often allow some unexpected materials to be made during research.
In the prior art, metal glass is often applied in the fields of semiconductors, nano processing, stamping and the like, but is not further applied in the aspect of manufacturing a welding head.
In the prior art, a chinese patent with application publication No. CN 105057832 a discloses a diamond spot welding head, wherein a diamond material is selected as a welding head material, but the material is wear-resistant, but has general thermal conductivity and poor plasticity, and is difficult to be applied to the more and more varied welding head structures at present; chinese patent No. CN 106011669B discloses a material for a horn for ultrasonic welding of plastics, which is a common steel material mainly made of iron, and although the steel material has good thermal conductivity and oxidation resistance, the plasticity is still insufficient, and the processing is difficult.
Disclosure of Invention
Due to the defects in the prior art, the invention provides a novel wear-resistant welding head material, which is metal glass, has excellent hardness and wear resistance while having excellent thermal conductivity, has certain plasticity, and meets the requirements of the prior art on welding heads.
Specifically, the invention is realized by the following technologies:
a wear-resistant welding head material is zirconium-copper base metal glass injected with argon ions;
the percentage expression of the element of the zirconium-copper-based metallic glass is ZrxCu0.80-xSnyBizGdwYvSiu；
Wherein x is more than or equal to 0.45 and less than or equal to 0.50, y is more than or equal to 0.10 and less than or equal to 0.12, z is more than or equal to 0.06 and less than or equal to 0.08, w is more than or equal to 0.0005 and less than or equal to 0.004, v is more than or equal to 0.005 and less than or equal to 0.01, u is more than or equal to 0.002 and less than or equal to 0.006, and y + z + w + v.
Preferably, the percentage expression of the elements of the zirconium-copper-based metallic glass is as follows
Zr0.50Cu0.30Sn0.12Bi0.06Gd0.004Y0.01Si0.006。
Preferably, the percentage expression of the elements of the zirconium-copper-based metallic glass is as follows
Zr0.45Cu0.35Sn0.12Bi0.06Gd0.004Y0.01Si0.006。
Preferably, the percentage expression of the elements of the zirconium-copper-based metallic glass is as follows
Zr0.45Cu0.35Sn0.10Bi0.08Gd0.004Y0.01Si0.006。
The preparation method of the wear-resistant welding head material comprises the following steps:
(1) preparing materials according to the required component content, smelting a sample in a vacuum arc furnace filled with high-purity argon gas under the protection of atmosphere, repeatedly smelting for 3-5 times, crushing into small blocks, putting the small blocks into a quartz tube, melting the sample by induction heating under the protection of the high-purity argon gas, and quickly injecting the molten blocks into a water-cooled copper mold to prepare a crude sample;
(2) sealing the crude sample into a quartz tube protected by argon, annealing at the temperature of 500-800 ℃ for 10-24 hours, and then quenching by cold water to obtain zirconium-copper-based metal glass;
(3) cutting zirconium-copper base metal glass into required shape, polishing, cleaning, blow-drying, injecting argon ion by using ion implantation machine, and making vacuum degree of target chamber be (3-5) × 10-3Pa, implantation energy of 50-200kev, and implantation dose of (0.1-1) × 1017ions/cm2。
The wear-resistant welding head material is applied to manufacturing of welding head materials.
The invention has the advantages that: the wear-resistant welding head material provided by the invention takes zirconium-copper as a matrix, so that good thermal conductivity of the wear-resistant welding head material is ensured; the tin with a certain amount is contained to ensure that the tin has certain plasticity, so that the tin can be conveniently processed into welding heads with different shapes to meet various requirements; in addition, the specific influence of the contained elements such as bismuth, gadolinium, yttrium and silicon on the metallic glass provided by the invention is not clear to be further researched; the argon ion implantation of the metal glass can be greatly influenced by the properties of the metal glass, and finally the wear-resistant metal glass capable of serving as a welding head material is invented through research.
Detailed Description
The present invention will be further illustrated with reference to the following examples, which are intended to be merely illustrative and not limitative.
Example 1
A wear-resistant welding head material isZirconium-copper-based metallic glass injected by argon ions, wherein the percentage expression of the element of the zirconium-copper-based metallic glass is Zr0.50Cu0.30Sn0.12Bi0.06Gd0.004Y0.01Si0.006；
The preparation method of the argon ion implanted zirconium-copper-based metallic glass comprises the following steps:
1) mixing the materials according to the required component content, smelting the sample in a vacuum arc furnace filled with high-purity argon gas under the protection of atmosphere, repeatedly smelting for 5 times, crushing into small blocks, putting the small blocks into a quartz tube, melting the sample by induction heating under the protection of the high-purity argon gas, and quickly injecting the molten blocks into a water-cooled copper mold to obtain a crude sample;
(2) sealing the crude sample in a quartz tube protected by argon, annealing at 800 ℃ for 24 hours, and then quenching with cold water to obtain zirconium-copper-based metal glass;
(3) cutting zirconium-copper base metal glass into 20mm × 20mm × 2mm, polishing into mirror surface, cleaning with acetone for 10 min, blowing dry with nitrogen, injecting argon ion with ion injector, and making the vacuum degree of target chamber be 5 × 10-3Pa, implantation energy of 50kev, and implantation dose of 0.4 × 1017ions/cm2。
Example 2
The wear-resistant welding head material is argon ion implanted zirconium-copper base metal glass, wherein the percentage expression of the elements of the zirconium-copper base metal glass is Zr0.45Cu0.35Sn0.12Bi0.06Gd0.004Y0.01Si0.006；
The preparation method of the argon ion implanted zirconium-copper-based metallic glass comprises the following steps:
1) mixing the materials according to the required component content, smelting the sample in a vacuum arc furnace filled with high-purity argon gas under the protection of atmosphere, repeatedly smelting for 5 times, crushing into small blocks, putting the small blocks into a quartz tube, melting the sample by induction heating under the protection of the high-purity argon gas, and quickly injecting the molten blocks into a water-cooled copper mold to obtain a crude sample;
(2) sealing the crude sample in a quartz tube protected by argon, annealing at 800 ℃ for 24 hours, and then quenching with cold water to obtain zirconium-copper-based metal glass;
(3) cutting zirconium-copper base metal glass into 20mm × 20mm × 2mm, polishing, cleaning, blow-drying, injecting argon ions by using an ion implanter, wherein the vacuum degree of a target chamber is 5 × 10-3Pa, implantation energy of 50kev, and implantation dose of 0.4 × 1017ions/cm2。
Example 3
The wear-resistant welding head material is argon ion implanted zirconium-copper base metal glass, wherein the percentage expression of the elements of the zirconium-copper base metal glass is Zr0.50Cu0.30Sn0.12Bi0.06Gd0.004Y0.01Si0.006；
The preparation method of the argon ion implanted zirconium-copper-based metallic glass comprises the following steps:
1) mixing the materials according to the required component content, smelting the sample in a vacuum arc furnace filled with high-purity argon gas under the protection of atmosphere, repeatedly smelting for 5 times, crushing into small blocks, putting the small blocks into a quartz tube, melting the sample by induction heating under the protection of the high-purity argon gas, and quickly injecting the molten blocks into a water-cooled copper mold to obtain a crude sample;
(2) sealing the crude sample in a quartz tube protected by argon, annealing at 800 ℃ for 24 hours, and then quenching with cold water to obtain zirconium-copper-based metal glass;
(3) cutting zirconium-copper base metal glass into 20mm × 20mm × 2mm, polishing into mirror surface, cleaning with acetone for 10 min, blowing dry with nitrogen, injecting argon ion with ion injector, and making the vacuum degree of target chamber be 5 × 10-3Pa, implantation energy of 50kev, and implantation dose of 0.8 × 1017ions/cm2。
Example 4
The wear-resistant welding head material is argon ion implanted zirconium-copper base metal glass, wherein the percentage expression of the elements of the zirconium-copper base metal glass is Zr0.50Cu0.30Sn0.12Bi0.06Gd0.004Y0.01Si0.006；
The preparation method of the argon ion implanted zirconium-copper-based metallic glass comprises the following steps:
1) mixing the materials according to the required component content, smelting the sample in a vacuum arc furnace filled with high-purity argon gas under the protection of atmosphere, repeatedly smelting for 5 times, crushing into small blocks, putting the small blocks into a quartz tube, melting the sample by induction heating under the protection of the high-purity argon gas, and quickly injecting the molten blocks into a water-cooled copper mold to obtain a crude sample;
(2) sealing the crude sample in a quartz tube protected by argon, annealing at 800 ℃ for 24 hours, and then quenching with cold water to obtain zirconium-copper-based metal glass;
(3) cutting zirconium-copper base metal glass into 20mm × 20mm × 2mm, polishing into mirror surface, cleaning with acetone for 10 min, blowing dry with nitrogen, injecting argon ion with ion injector, and making the vacuum degree of target chamber be 5 × 10-3Pa, implantation energy of 100kev, and implantation dose of 0.8 × 1017ions/cm2。
Example 5
The wear-resistant welding head material is argon ion implanted zirconium-copper base metal glass, wherein the percentage expression of the elements of the zirconium-copper base metal glass is Zr0.50Cu0.30Sn0.12Bi0.06Gd0.004Y0.01Si0.006；
The preparation method of the argon ion implanted zirconium-copper-based metallic glass comprises the following steps:
1) mixing the materials according to the required component content, smelting the sample in a vacuum arc furnace filled with high-purity argon gas under the protection of atmosphere, repeatedly smelting for 5 times, crushing into small blocks, putting the small blocks into a quartz tube, melting the sample by induction heating under the protection of the high-purity argon gas, and quickly injecting the molten blocks into a water-cooled copper mold to obtain a crude sample;
(2) sealing the crude sample in a quartz tube protected by argon, annealing at 800 ℃ for 24 hours, and then quenching with cold water to obtain zirconium-copper-based metal glass;
(3) cutting zirconium-copper base metal glass into 20mm × 20mm × 2mm, polishing into mirror surface, cleaning with acetone for 10 min, blowing dry with nitrogen, injecting argon ion with ion injector, and making the vacuum degree of target chamber be 5 × 10-3Pa, implantation energy of 200kev, and implantation dose of 0.8 × 1017ions/cm2。
Comparative example
Zirconium-copper-based goldBelongs to glass, and the expression of the percentage of elements is Zr0.50Cu0.30Sn0.12Bi0.06Gd0.004Y0.01Si0.006；
The preparation method of the zirconium-copper-based metallic glass comprises the following steps:
1) mixing the materials according to the required component content, smelting the sample in a vacuum arc furnace filled with high-purity argon gas under the protection of atmosphere, repeatedly smelting for 5 times, crushing into small blocks, putting the small blocks into a quartz tube, melting the sample by induction heating under the protection of the high-purity argon gas, and quickly injecting the molten blocks into a water-cooled copper mold to obtain a crude sample;
(2) and sealing the crude sample in a quartz tube protected by argon, annealing at 800 ℃ for 24 hours, and then quenching with cold water to obtain the zirconium-copper-based metal glass.
Test example 1
Nano hardness test
The samples prepared in examples 1 to 5 and the comparative example were subjected to a nano hardness test using a nano indentation tester using a conical diamond indenter with a load of 75nN, a displacement of 0.1nm, and an indentation depth of 30 nm. The test environment was room temperature/30% humidity.
The test results are shown in table 1.
TABLE 1 nanometer hardness test
Example 1 Example 2 Example 3 Examples4 Example 5 Comparative example
Hardness (GPa) 13.0 115 13.1 15.4 10.6 11.8
From the above table, the wear-resistant welding head material provided by the invention has good hardness, and can be suitable for various welding head conditions.
Test example 2
Friction loss resistance test
Examples 1-5 and the control were tested at room temperature and 30% humidity using a micro-friction tester, and 3mm diameter alumina ruby balls were selected for the friction couple, with a speed of 24mm/s and a load of 20g by reciprocal friction. The wear life is determined when the coefficient of friction suddenly increases.
The test results are shown in table 2.
TABLE 2 abrasion Life table
Figure BDA0001833120950000061
The above table shows that the wear-resistant material provided by the invention has greatly improved performance compared with the wear-resistant material before ion implantation, and the general performance after ion implantation is improved, but the wear-resistant material has no definite rule, but basically meets the basic requirements of wear-resistant welding head materials.

Claims (5)

1. The wear-resistant welding head material is characterized by being argon ion implanted zirconium-copper based metal glass;
the element percentage of the zirconium-copper-based metallic glassThe expression is ZrxCu0.80-xSnyBizGdwYvSiu；
Wherein x is more than or equal to 0.45 and less than or equal to 0.50, y is more than or equal to 0.10 and less than or equal to 0.12, z is more than or equal to 0.06 and less than or equal to 0.08, w is more than or equal to 0.0005 and less than or equal to 0.004, v is more than or equal to 0.005 and less than or equal to 0.01, u is more than or equal to 0.002 and less than or equal to 0.006, and y + z + w + v,
the parameters of the argon ion implantation are that the vacuum degree of the target chamber is (3-5) × 10-3Pa, implantation energy of 50-200kev, and implantation dose of (0.1-1) × 1017ions/cm2。
2. The wear-resistant bond head material of claim 1, wherein the zirconium-copper based metallic glass has the elemental percentage expression Zr0.50Cu0.30Sn0.12Bi0.06Gd0.004Y0.01Si0.006。
3. The wear-resistant bond head material of claim 1, wherein the zirconium-copper based metallic glass has the elemental percentage expression Zr0.45Cu0.35Sn0.12Bi0.06Gd0.004Y0.01Si0.006。
4. The wear-resistant bond head material of claim 1, wherein the zirconium-copper based metallic glass has the elemental percentage expression Zr0.45Cu0.35Sn0.10Bi0.08Gd0.004Y0.01Si0.006。
5. A method of producing a wear resistant weld head material according to any one of claims 1 to 4, characterized in that the method comprises the following steps:
(1) preparing materials according to the required component content, smelting a sample in a vacuum arc furnace filled with high-purity argon gas under the protection of atmosphere, repeatedly smelting for 3-5 times, crushing into small blocks, putting the small blocks into a quartz tube, melting the sample by induction heating under the protection of the high-purity argon gas, and quickly injecting the molten blocks into a water-cooled copper mold to prepare a crude sample;
(2) sealing the crude sample into a quartz tube protected by argon, annealing at the temperature of 500-800 ℃ for 10-24 hours, and then quenching by cold water to obtain zirconium-copper-based metal glass;
(3) cutting zirconium-copper base metal glass into required shape, polishing, cleaning, blow-drying, injecting argon ion by using ion implantation machine, and making vacuum degree of target chamber be (3-5) × 10-3Pa, implantation energy of 50-200kev, and implantation dose of (0.1-1) × 1017ions/cm2。
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101787501A (en) * 2010-02-05 2010-07-28 北京科技大学 Bulk metal glass composite material with stretching plasticity and work hardening capacity

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101787501A (en) * 2010-02-05 2010-07-28 北京科技大学 Bulk metal glass composite material with stretching plasticity and work hardening capacity

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