CN105018798A - Superfine-ceramic-powder-mixed high-wear-resistance composite aluminum alloy automobile part and casting technology thereof - Google Patents
Superfine-ceramic-powder-mixed high-wear-resistance composite aluminum alloy automobile part and casting technology thereof Download PDFInfo
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- CN105018798A CN105018798A CN201510377323.7A CN201510377323A CN105018798A CN 105018798 A CN105018798 A CN 105018798A CN 201510377323 A CN201510377323 A CN 201510377323A CN 105018798 A CN105018798 A CN 105018798A
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Abstract
The invention relates to the technical field of aluminum alloy automobile parts, in particular to a superfine-ceramic-powder-mixed high-wear-resistance composite aluminum alloy automobile part and a casting technology thereof. A composite material used for the part is obtained by adding superfine ceramic micro powder with surfaces wrapped by silica sol to a conventional aluminum alloy material, the good primitive form of the ceramic micro powder processed in this way is kept, the compatibility of the ceramic micro powder to molten metal is improved, and the diffusion velocity is high; after the ceramic micro powder is evenly diffused in the molten metal, the eutectic form of the alloy material is effectively improved, and the functions of refining grains, improving the chemical property of the alloy, and the like are achieved; and the part obtained by casting the aluminum alloy material has the beneficial effects of being light, high in strength, toughness, wear resistance and corrosion resistance, and the like, and has extremely high application value.
Description
Technical field
The present invention relates to aluminium alloy automobile component technical field, be specifically related to a kind of high wear resistance Al-alloy automobile component and casting technique thereof of blending ultrafine ceramic powder.
Background technology
Automobile is made up of tens0000 component, and wherein major part is metallic substance, and the lightweight of automobile component, safe and economized realize the modern basic condition of automobile, is also the only way of improving automobile competitive capacity.Aluminium alloy has that specific tenacity is high, fine corrosion resistance, be easy to be shaped, easier regeneration, have the advantage that the materials such as traditional cast iron, steel are incomparable, therefore, the component manufactured by aluminium alloy are in recent years widely used in the automotive industry gradually.
China has become the fifth-largest automotive industry state in the world, but the average aluminum amount of China's automobile still exists larger difference compared with other developed countries, and performance and the production technique of exploitation further, in-depth aluminium alloy just seem particularly important.
Summary of the invention
The object of the invention is to, provide a kind of high wear resistance Al-alloy automobile component and casting technique thereof of blending ultrafine ceramic powder, to achieve these goals, the technical solution used in the present invention is as follows:
A kind of high wear resistance Al-alloy automobile component of blending ultrafine ceramic powder, it is characterized in that, this aluminum alloy spare part material is made up of the raw material of following weight part: aluminium 80-100, ultrafine ceramic powder 2-3, manganese 0.2-0.3, nickel 0.1-0.2, iron 0.2-0.4, chromium 0.2-0.3, magnesium 1-2, solid content are silicon sol 8-10, vanadium nitride 0.01-0.02, impurity≤0.01 of 10-15%.
The casting technique of the high wear resistance Al-alloy automobile component of described a kind of blending ultrafine ceramic powder is:
(1) first ultrafine ceramic powder is dropped in silicon sol, high-speed stirring makes ultrafine ceramic powder dispersed in colloidal sol, subsequently by mixed slurry through warm air drying, completely remove moisture naturally cool to room temperature, again gained powder is heated to 750-800 DEG C subsequently, constant temperature is for subsequent use;
(2) other leftover materials are mixed, drop in resistance furnace, be heated to 750-800 DEG C of melting process, then step (1) gained material is dropped in aluminium alloy, after mechanical stirring 20-30min, add refining agent, after refining treatment terminates, melt cast is shaping, to obtain final product.
Beneficial effect: the present invention with the addition of the superfine ceramic micro mist of Surface coating silicon sol in conventional aluminum alloys material, ceramic after processing like this not only maintains good original form, also improve the consistency of itself and molten metal, velocity of diffusion is fast, it is the dispersed rear eutectic morphology effectively improving alloy material in liquation, there is crystal grain thinning, improve the effects such as alloy mechanical property, this aluminum alloy materials is cast the component obtained and is had the advantages such as lightweight, high strength, high tenacity, abrasion resistant and corrosion resistant, has using value.
Embodiment
Embodiment
The aluminum alloy spare part of the present embodiment is made up of the raw material of following weight part: aluminium 90, ultrafine ceramic powder 3, manganese 0.2, nickel 0.2, iron 0.3, chromium 0.2, magnesium 1.5, solid content be 10% silicon sol 10, vanadium nitride 0.01, impurity≤0.01.
Its casting technique is:
(1) first ultrafine ceramic powder is dropped in silicon sol, high-speed stirring makes ultrafine ceramic powder dispersed in colloidal sol, subsequently by mixed slurry through warm air drying, completely remove moisture naturally cool to room temperature, again gained powder is heated to 750 DEG C subsequently, constant temperature is for subsequent use;
(2) other leftover materials are mixed, drop in resistance furnace, be heated to 750 DEG C of melting process, then step (1) gained material is dropped in aluminium alloy, after mechanical stirring 25min, add refining agent, after refining treatment terminates, melt cast is shaping, to obtain final product.
The obtained alloy of the present embodiment is materialsed and is carried out the performance test results and be: tensile strength: 345MPa, unit elongation: 15.8%, hardness: 130HB.This batch of component work-ing life, comparatively conventional aluminum alloyed components on average improved more than 20%.
Claims (2)
1. the high wear resistance Al-alloy automobile component of a blending ultrafine ceramic powder, it is characterized in that, this component material is made up of the raw material of following weight part: aluminium 80-100, ultrafine ceramic powder 2-3, manganese 0.2-0.3, nickel 0.1-0.2, iron 0.2-0.4, chromium 0.2-0.3, magnesium 1-2, solid content are silicon sol 8-10, vanadium nitride 0.01-0.02, impurity≤0.01 of 10-15%.
2. the casting technique of the high wear resistance Al-alloy automobile component of a kind of blending ultrafine ceramic powder as claimed in claim 1, it is characterized in that, described casting technique is:
(1) first ultrafine ceramic powder is dropped in silicon sol, high-speed stirring makes ultrafine ceramic powder dispersed in colloidal sol, subsequently by mixed slurry through warm air drying, completely remove moisture naturally cool to room temperature, again gained powder is heated to 750-800 DEG C subsequently, constant temperature is for subsequent use;
(2) other leftover materials are mixed, drop in resistance furnace, be heated to 750-800 DEG C of melting process, again step (1) gained material is dropped in aluminium alloy, refining agent is added after mechanical stirring 20-30min, after refining treatment terminates, melt cast is shaping, to obtain final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510377323.7A CN105018798A (en) | 2015-06-29 | 2015-06-29 | Superfine-ceramic-powder-mixed high-wear-resistance composite aluminum alloy automobile part and casting technology thereof |
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| CN201510377323.7A CN105018798A (en) | 2015-06-29 | 2015-06-29 | Superfine-ceramic-powder-mixed high-wear-resistance composite aluminum alloy automobile part and casting technology thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015727A (en) * | 2016-07-07 | 2016-10-12 | 无锡戴尔普机电设备有限公司 | Novel air volume adjustment valve end plate material |
| CN109487124A (en) * | 2018-11-30 | 2019-03-19 | 西安工业大学 | Aluminium-based wear-resisting material and preparation method thereof under a kind of sour corrosion operating condition |
| CN115369273A (en) * | 2022-09-02 | 2022-11-22 | 安徽军明机械制造有限公司 | Production process of corrosion-resistant aluminum-manganese alloy bridge |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705395A (en) * | 2009-10-29 | 2010-05-12 | 四川大学 | Vanadium-contained aluminum and aluminum alloy, and preparation methods thereof |
| CN103305726A (en) * | 2013-06-26 | 2013-09-18 | 苏州金仓合金新材料有限公司 | Method for preparing nanoscale silicon carbide aluminum alloy bar |
| CN104073675A (en) * | 2014-07-01 | 2014-10-01 | 广东省工业技术研究院(广州有色金属研究院) | Pretreatment method for silicon carbide granules for aluminum-based composite material |
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2015
- 2015-06-29 CN CN201510377323.7A patent/CN105018798A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705395A (en) * | 2009-10-29 | 2010-05-12 | 四川大学 | Vanadium-contained aluminum and aluminum alloy, and preparation methods thereof |
| CN103305726A (en) * | 2013-06-26 | 2013-09-18 | 苏州金仓合金新材料有限公司 | Method for preparing nanoscale silicon carbide aluminum alloy bar |
| CN104073675A (en) * | 2014-07-01 | 2014-10-01 | 广东省工业技术研究院(广州有色金属研究院) | Pretreatment method for silicon carbide granules for aluminum-based composite material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015727A (en) * | 2016-07-07 | 2016-10-12 | 无锡戴尔普机电设备有限公司 | Novel air volume adjustment valve end plate material |
| CN109487124A (en) * | 2018-11-30 | 2019-03-19 | 西安工业大学 | Aluminium-based wear-resisting material and preparation method thereof under a kind of sour corrosion operating condition |
| CN115369273A (en) * | 2022-09-02 | 2022-11-22 | 安徽军明机械制造有限公司 | Production process of corrosion-resistant aluminum-manganese alloy bridge |
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Application publication date: 20151104 |
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