CN104164667A - Method for preparing heterogeneous metal coating on steel surface by utilizing frictional heat - Google Patents
Method for preparing heterogeneous metal coating on steel surface by utilizing frictional heat Download PDFInfo
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- CN104164667A CN104164667A CN201410400729.8A CN201410400729A CN104164667A CN 104164667 A CN104164667 A CN 104164667A CN 201410400729 A CN201410400729 A CN 201410400729A CN 104164667 A CN104164667 A CN 104164667A
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Abstract
The invention relates to a technique for preparing a heterogeneous metal coating on a steel surface by utilizing frictional heat. Under atmospheric conditions, a heterogeneous metal sheet is arranged on a steel part surface, and a friction head rotates on the heterogeneous metal surface at high speed to generate frictional heat, so that the heterogeneous metal sheet is in a semi-molten state and attached to the steel part surface, and thus, forms compact metallurgical bonding with the steel part surface. Various low-melting alloys can be adopted in the technique, and therefore, the surface properties of the steel part can be greatly improved. The method has the characteristics of high bonding strength, high production efficiency, low cost and no pollution in the production process, and can not cause steel part deformation or change the properties of the matrix structure due to low heat input.
Description
Affiliated technical field
The present invention relates to a kind of surface treatment method, particularly relate to a kind of method of utilizing heat of friction to prepare dissimilar metal coating at steel surface.
Background technology
Steel industry is the mainstay industry of China's national economy development, and overall industrial chain accounts for 8.8% of China's GDP total value.Since 21 century, along with China's steel industry fast development, the financial loss causing because of steel corrosion every year reaches and exceeds 100 billion, the every 90s in the whole world just has nearly 1t steel corrosion to get rusty, not only cause the significant wastage to natural resources, also can cause the catastrophic failure of burst, jeopardized personnel safety.
What application was more at present is hot spray process, Brush Plating method and arc-welding method, and this several method exists certain technology limitation, and as hot spray process pollutes greatly, the recycling difficulty of Brush Plating method plating solution is large, and two kinds of method bonding strengths are not high; Arc-welding method is because heat input great Yi causes part deformation, or generation phase transformation, changes original performance of steel-iron components.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of processing method of preparing dissimilar metal coating at steel surface.Iron and steel type component surface seam one deck dissimilar metal alloy after processing, this alloy layer and matrix are metallurgical binding state, and therefore the performance of iron and steel class material surface will be greatly enhanced.
Method provided by the invention comprises the step of following order:
(1) surface preparation.Before carrying out surface friction processing, generally pending ferrous materials component and dissimilar metal latten surface should be carried out to pre-treatment, guarantee that its surface is clean.
(2) install with fixing.Special friction head is installed, according to the diameter of dissimilar metal gauge of sheet and friction head angle of inclination design friction head, pending component is fixed on worktable, dissimilar metal latten is firmly fixed on piece surface with jig.
(3) select processing parameter.Select suitable rotating speed, speed of feed, friction head angle of inclination etc. according to material characteristics and pending size.
(4) surface friction processing.In surface treatment process, keep certain volume under pressure, volume under pressure is too small, and aluminium alloy melts not exclusively; Volume under pressure is excessive, and the dissimilar metal alloy of fusing can be pressed against friction head surrounding, can not form effective combination.Its principle is referring to accompanying drawing 2.
(5) cooling.Be positioned in air naturally cooling.
Advantage of the present invention:
(1) in technological process, do not produce toxic gas, do not produce pollution, be conducive to environmental protection.
(2) speed of surface friction processing can reach 600mm/s, and it is even wider that single track width can reach 30mm, and production efficiency is high.
(3) the dissimilar metal latten low price using in technique, obtains conveniently, and production cost is low.
(4) in surface friction treating processes, heat input is little, does not reach ferrous materials transformation temperature in treating processes, does not therefore change the structure property of pending, can not cause the distortion of pending.
The processing method of utilizing heat of friction to prepare dissimilar metal coating at steel surface of the present invention, is applicable to the iron and steel type component of all kinds of surfacings.
Brief description of the drawings
Fig. 1 is several friction head schematic diagram of making according to processing requirement of the present invention;
Fig. 2 is the schematic diagram that utilizes heat of friction to prepare dissimilar metal cladding process method at steel surface of the present invention.
1-friction head; 2-dissimilar metal thin plate; 3-coating; 4-matrix
Embodiment
Below by embodiment, the present invention is described in further detail.
1, material
Body material: 45 steel, size is 200 × 100 × 10mm
Clad material: Aluminium Alloy Plate, thickness 0.8mm, and be cut to 150 × 100mm according to matrix size
2, operation steps
(1) surface preparation.Surface friction is extremely clean to 45 steel matrix removing surfaces before processing.
(2) friction head is installed, matrix is fixed on worktable, aluminium sheet one end is firmly fixed on matrix surface with jig, and the other end is unfixing.
(3) select processing parameter.Rotating speed 1500r/min, welding speed 150mm/min, 2 °, friction head angle of inclination.
(4) surface friction processing.Keep certain volume under pressure, guaranteeing that aluminium alloy is micro-melts.
(5) cooling.Naturally cooling in air.
Claims (4)
1. a method of utilizing heat of friction to prepare dissimilar metal coating at steel surface.It is characterized in that: under atmospheric condition, place dissimilar metal thin plate on steel-iron components surface, utilize friction head to produce frictional heat at dissimilar metal surface high speed rotating, make dissimilar metal thin plate be semi-molten state and be attached to iron and steel parts surface, thereby form metallurgical binding closely with iron and steel parts surface, reach the object of improving iron and steel class piece surface performance.
2. the processing method of utilizing heat of friction to prepare dissimilar metal coating at steel surface according to claim 1, it is characterized in that: described surface friction treatment process parameter is, rotating speed 900～1500r/min, 0 °～5 °, friction head angle of inclination, speed of feed 30～600mm/min, single track seam width can suitably be adjusted as requested.
3. the processing method of utilizing heat of friction to prepare dissimilar metal coating at steel surface according to claim 1, is characterized in that: described steel iron type materials mainly refers to various carbon steels and steel alloy, and its working-surface should be clean, smooth, smooth; Described dissimilar metal thin plate is all kinds of low melting point alloys such as aluminium below thickness 1mm, copper, titanium, zinc, magnesium.
4. the processing method of utilizing heat of friction to prepare dissimilar metal coating at steel surface according to claim 1, it is characterized in that: the friction head using is special instrument, material is 45 steel, and its size is determined according to test platform and concrete technology, shape has three kinds, referring to accompanying drawing 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410400729.8A CN104164667A (en) | 2014-09-15 | 2014-09-15 | Method for preparing heterogeneous metal coating on steel surface by utilizing frictional heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410400729.8A CN104164667A (en) | 2014-09-15 | 2014-09-15 | Method for preparing heterogeneous metal coating on steel surface by utilizing frictional heat |
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| CN104164667A true CN104164667A (en) | 2014-11-26 |
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| CN201410400729.8A Pending CN104164667A (en) | 2014-09-15 | 2014-09-15 | Method for preparing heterogeneous metal coating on steel surface by utilizing frictional heat |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252136A (en) * | 2015-11-23 | 2016-01-20 | 哈尔滨工业大学 | Method for realizing metal surface coating by utilizing stir friction treatment |
| CN106048511A (en) * | 2016-05-26 | 2016-10-26 | 上海博友金属制品有限公司 | Mechanical-assisted chemical heat treatment method for metal surfaces |
| CN106400010A (en) * | 2016-05-26 | 2017-02-15 | 上海博友金属制品有限公司 | Metal surface mechanically-assisted electric heat alloying preparation method |
| CN110270479A (en) * | 2018-03-16 | 2019-09-24 | 波音公司 | For applying method, equipment and the applicator of coating on the surface of laminate |
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| CN103436877A (en) * | 2013-07-18 | 2013-12-11 | 杭州博数土木工程技术有限公司 | Metal material spinning fuse coating apparatus and technology thereof |
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| CN101122019A (en) * | 2007-09-06 | 2008-02-13 | 王家德 | Metal thermal spraying and powder coating electrostatic spraying composite coat antiseptic technique |
| CN101353797A (en) * | 2008-09-11 | 2009-01-28 | 上海润馨化学工程技术发展有限公司 | High-power arc spraying zinc aluminum pseudo-alloy protecting film and spraying method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252136A (en) * | 2015-11-23 | 2016-01-20 | 哈尔滨工业大学 | Method for realizing metal surface coating by utilizing stir friction treatment |
| CN105252136B (en) * | 2015-11-23 | 2017-11-14 | 哈尔滨工业大学 | A kind of method that metal surface coating is realized using stirring friction treatment |
| CN106048511A (en) * | 2016-05-26 | 2016-10-26 | 上海博友金属制品有限公司 | Mechanical-assisted chemical heat treatment method for metal surfaces |
| CN106400010A (en) * | 2016-05-26 | 2017-02-15 | 上海博友金属制品有限公司 | Metal surface mechanically-assisted electric heat alloying preparation method |
| CN106048511B (en) * | 2016-05-26 | 2018-05-04 | 广东博友制钛科技有限公司 | A kind of metal surface mechanical assistance chemical heat treatment method |
| CN110270479A (en) * | 2018-03-16 | 2019-09-24 | 波音公司 | For applying method, equipment and the applicator of coating on the surface of laminate |
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Application publication date: 20141126 |
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