CN107686934A - A kind of antiwear cast iron alloy is modified cast iron materials and its manufacture method - Google Patents
A kind of antiwear cast iron alloy is modified cast iron materials and its manufacture method Download PDFInfo
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- CN107686934A CN107686934A CN201710652833.XA CN201710652833A CN107686934A CN 107686934 A CN107686934 A CN 107686934A CN 201710652833 A CN201710652833 A CN 201710652833A CN 107686934 A CN107686934 A CN 107686934A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/08—Making cast-iron alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/06—Cast-iron alloys containing chromium
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Abstract
The invention discloses a kind of antiwear cast iron alloy to be modified cast iron materials and its manufacture method, is related to cast iron materials technical field.Including by alloy cast iron and nano modified material, nano modified material accounts for the 0.1%~5.55% of resistant alloy cast iron modified material gross weight；Alloy cast iron is Cr Cu Al alloy cast irons, Cr Mo Cu alloy cast irons, Cr Zn Al alloy cast irons, Cr Zn Al Mo alloy cast irons, W Cr Cu Al alloy cast irons；Nano modified material is nano metal or nano metal compound of the grain diameter in 0.1 100nm.The present invention carries out the modification of alloy cast iron by using nano metal material, improves the room temperature and cryogenic mechanics performance of alloy cast iron, and significantly improve the mechanical behavior under high temperature of alloy；Nano metal material causes alloy cast iron to significantly improve abrasion resistance properties, damping capacity under low temperature, room temperature and hot environment, while can improve the tensile strength and yield strength of alloy；And wear volume and friction factor reduce respectively.
Description
Technical field
The invention belongs to alloy cast iron material technical field, and cast iron materials are modified more particularly to a kind of antiwear cast iron alloy
And its manufacture method.
Background technology
The production and application of external high-abrasive material have passed through the peak period of research and development for many years, tend towards stability, and
There are oneself series of products and national standard, company standard.It experienced from potassium steel, ordinary white cast iron, ni-hard cast iron to height
In several stages of chrome cast iron, abrasion-resistant stee and the major class of wear resistant cast iron two are had developed at present.
Abrasion-resistant stee, can according to the difference of its content in addition to traditional austenitic manganese steel and modified high manganese steel, medium managese steel
It is divided into middle carbon, medium high carbon, high carbon alloy abrasion-resistant stee；Low-alloy, middle alloy and high conjunction can be divided into again according to the content of alloying element
Golden abrasion-resistant stee；Austenite, bainite, martensite wear resistant steel can be also divided into according to the difference of tissue.And wear resistant cast iron mainly includes
Low-alloy chilled cast iron and the major class of Property of High Alloy White Cast Iron two.Most representational in the two is low-Cr white cast iron and Gao Ge
White cast-iron, and both materials occupy leading position in wear resistant cast iron at present.Martensite or bainite, martensitic structure
Spheroidal graphite cast-iron also occupied a tiny space in terms of small bore wearing piece is made, medium chrome cast iron is then using less.See on the whole,
The wearability of alloy white cast iron is better than abrasion resistant cast steel, but the latter's good toughness, has extensively in such as liner plate, abrasion-proof pipe etc.
General application.
According to statistics, domestic annual about more than 3,000,000 tons of metal wear resistant material of consumption, prevented using fretting wear theory and
Mitigate fretting wear, 15,000,000,000 dollars can be saved every year.In recent years, for the specific operating mode and resource situation of equipment attrition, develop
Go out various new high-abrasive material.Mainly there are modified high manganese steel, medium managese steel, ultra-high manganese steel series, high, medium and low carbon wear-resisting alloy steel
Series, chromium system 2 wear-resistant white cast series, manganese systems, boron system 2 wear-resistant white cast and martensite, bainite abrasion-resistant nodular cast iron, no
With the bimetal composite wear resistant material of method production, the high-abrasive material of sufacing processing etc..Meanwhile produce work in high-abrasive material
Successively several automatic and mechanical production lines are introduced in skill equipment from states such as Japan, Germany, Belgium.Combined on the basis of introduction
National conditions, lost foam casting process equipment, metal type sand-covering technique equipment, extrusion moduling process equipment, centrifugal casting work are developed
The novel process equipment such as new technology and equipments such as skill equipment.
The content of the invention
It is an object of the invention to provide a kind of antiwear cast iron alloy to be modified cast iron materials and its manufacture method, by using
Nano metal material carries out the modification of alloy cast iron, improves the room temperature and cryogenic mechanics performance of alloy cast iron, nano metal material
Material causes alloy cast iron to significantly improve abrasion resistance properties, damping capacity under low temperature, room temperature and hot environment, while can
Improve the tensile strength and yield strength of alloy；And wear volume and friction factor reduce respectively.
The present invention is achieved by the following technical solutions：
The present invention is modified cast iron materials for a kind of antiwear cast iron alloy, including it is by alloy cast iron and nano modification material
Material, nano modified material account for the 0.1%~5.55% of resistant alloy cast iron modified material gross weight；The alloy cast iron is Cr-
Cu-Al alloy cast irons, Cr-Mo-Cu alloy cast irons, Cr-Zn-Al alloy cast irons, Cr-Zn-Al-Mo alloy cast irons, W-Cr-Cu-
Al alloy cast irons；Described nano modified material is nano metal or nano metal compound of the grain diameter in 0.1-100nm.
Further, the nano modified material accounts for the 3.1%~4.5% of resistant alloy cast iron modified material gross weight.
Further, the nano modified material accounts for the 0.5%~3.0% of resistant alloy cast iron modified material gross weight.
Further, the nano metal includes one or both of cobalt, nickel, copper, zinc, silver, platinum, rhodium, titanium and two
More than kind.
Further, the nano metal compound includes NiO, ZnO, titanium oxide, vanadic anhydride, manganese dioxide, three
Aoxidize two iron, ZnS, CdS.
A kind of antiwear cast iron alloy is modified the manufacture method of cast iron materials, comprises the following steps：
Step 1, the preparation of nano modified material：Nano metal and/or nano metal are prepared in medium frequency induction melting furnace
Compound；
Step 2, during preparation, prior to 700 DEG C -2000 DEG C of melted alloy cast irons；
Step 3, step 1 and step 2 are subjected to cast mixing using swage, mixed in casting process all the time by super
Sound and vibration dynamic auxiliary stirs, using gaseous mixture as protection gas in mixed process；
Step 4, after air cooling, car obtains modified antiwear cast iron alloy except the oxide skin of casting.
The invention has the advantages that：
The present invention carries out the modification of alloy cast iron by using nano metal material, improves the room temperature of alloy cast iron and low
Warm mechanical property, and significantly improve the mechanical behavior under high temperature of alloy；Nano metal material causes alloy cast iron to significantly improve
Abrasion resistance properties, damping capacity under low temperature, room temperature and hot environment, while the tensile strength of alloy can be improved and bent
Take intensity；And wear volume and friction factor reduce respectively.
Certainly, any product for implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
The present invention is modified cast iron materials for a kind of antiwear cast iron alloy, including it is by alloy cast iron and nano modification material
Material, nano modified material account for the 0.1%~5.55% of resistant alloy cast iron modified material gross weight；The alloy cast iron is Cr-
Cu-Al alloy cast irons, Cr-Mo-Cu alloy cast irons, Cr-Zn-Al alloy cast irons, Cr-Zn-Al-Mo alloy cast irons, W-Cr-Cu-
Al alloy cast irons；Described nano modified material is nano metal or nano metal compound of the grain diameter in 0.1-100nm.
Wherein, nano modified material accounts for the 3.1%~4.5% of resistant alloy cast iron modified material gross weight.
Wherein, nano modified material accounts for the 0.5%~3.0% of resistant alloy cast iron modified material gross weight.
Wherein, nano metal includes cobalt, nickel, copper, zinc, silver, platinum, rhodium, one or both of titanium and two or more.
Wherein, the nano metal compound includes NiO, ZnO, titanium oxide, vanadic anhydride, manganese dioxide, three oxidations
Two iron, ZnS, CdS.
A kind of antiwear cast iron alloy is modified the manufacture method of cast iron materials, comprises the following steps：
Step 1, the preparation of nano modified material：Nano metal and/or nano metal are prepared in medium frequency induction melting furnace
Compound；
Step 2, during preparation, prior to 700 DEG C -2000 DEG C of melted alloy cast irons；
Step 3, step 1 and step 2 are subjected to cast mixing using swage, mixed in casting process all the time by super
Sound and vibration dynamic auxiliary stirs, using gaseous mixture as protection gas in mixed process；
Step 4, after air cooling, car obtains modified antiwear cast iron alloy except the oxide skin of casting.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to specific features, structure, material or the feature that the embodiment or example describe
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, it is only described embodiment also not limit the invention.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (6)
1. a kind of antiwear cast iron alloy is modified cast iron materials, it is characterised in that it is by alloy cast iron and nano modified material, is received
Rice is material modified to account for the 0.1%~5.55% of resistant alloy cast iron modified material gross weight；The alloy cast iron is Cr-Cu-Al
Alloy cast iron, Cr-Mo-Cu alloy cast irons, Cr-Zn-Al alloy cast irons, Cr-Zn-Al-Mo alloy cast irons, W-Cr-Cu-Al alloys
Cast iron；Described nano modified material is nano metal or nano metal compound of the grain diameter in 0.1-100nm.
2. a kind of antiwear cast iron alloy according to claim 1 is modified cast iron materials, it is characterised in that the nano modification
Material accounts for the 3.1%~4.5% of resistant alloy cast iron modified material gross weight.
3. a kind of antiwear cast iron alloy according to claim 1 is modified cast iron materials, it is characterised in that the nano modification
Material accounts for the 0.5%~3.0% of resistant alloy cast iron modified material gross weight.
4. a kind of antiwear cast iron alloy according to claim 1 is modified cast iron materials, it is characterised in that the nano metal
Including one or both of cobalt, nickel, copper, zinc, silver, platinum, rhodium, titanium and two or more.
5. a kind of antiwear cast iron alloy according to claim 1 is modified cast iron materials, it is characterised in that the nano metal
Compound includes NiO, ZnO, titanium oxide, vanadic anhydride, manganese dioxide, di-iron trioxide, ZnS, CdS.
6. a kind of antiwear cast iron alloy is modified the manufacture method of cast iron materials, it is characterised in that comprises the following steps：
Step 1, the preparation of nano modified material：Nano metal and/or nano metal chemical combination are prepared in medium frequency induction melting furnace
Thing；
Step 2, during preparation, prior to 700 DEG C -2000 DEG C of melted alloy cast irons；
Step 3, step 1 and step 2 are subjected to cast mixing using swage, mixes and is shaken in casting process all the time by ultrasound
Dynamic auxiliary stirs, using gaseous mixture as protection gas in mixed process；
Step 4, after air cooling, car obtains modified antiwear cast iron alloy except the oxide skin of casting.
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| CN201710652833.XA CN107686934A (en) | 2017-08-02 | 2017-08-02 | A kind of antiwear cast iron alloy is modified cast iron materials and its manufacture method |
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| CN201710652833.XA CN107686934A (en) | 2017-08-02 | 2017-08-02 | A kind of antiwear cast iron alloy is modified cast iron materials and its manufacture method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101177758A (en) * | 2007-12-03 | 2008-05-14 | 施伟晶 | Wear-resistant alloy cast iron modified material and method for manufacturing grinding plate blank casting thereby |
| CN102021466A (en) * | 2009-09-23 | 2011-04-20 | 铜陵市明诚铸造有限责任公司 | Method for producing nano alloy cast iron grinding balls by using nano material |
| CN103131937A (en) * | 2013-01-28 | 2013-06-05 | 天津万立鑫晟新材料技术研究院有限公司 | Carbide-containing isothermal quenching nodular cast iron and preparation method thereof |
| CN105821288A (en) * | 2016-03-28 | 2016-08-03 | 繁昌县天和机械有限公司 | Preparation method for nanometer modification high-carbon gray pig iron |
-
2017
- 2017-08-02 CN CN201710652833.XA patent/CN107686934A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101177758A (en) * | 2007-12-03 | 2008-05-14 | 施伟晶 | Wear-resistant alloy cast iron modified material and method for manufacturing grinding plate blank casting thereby |
| CN102021466A (en) * | 2009-09-23 | 2011-04-20 | 铜陵市明诚铸造有限责任公司 | Method for producing nano alloy cast iron grinding balls by using nano material |
| CN103131937A (en) * | 2013-01-28 | 2013-06-05 | 天津万立鑫晟新材料技术研究院有限公司 | Carbide-containing isothermal quenching nodular cast iron and preparation method thereof |
| CN105821288A (en) * | 2016-03-28 | 2016-08-03 | 繁昌县天和机械有限公司 | Preparation method for nanometer modification high-carbon gray pig iron |
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Application publication date: 20180213 |