CN109454952A - A kind of multi-layer wear-resistant clad metal sheet and preparation method thereof - Google Patents
A kind of multi-layer wear-resistant clad metal sheet and preparation method thereof Download PDFInfo
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- CN109454952A CN109454952A CN201811502646.4A CN201811502646A CN109454952A CN 109454952 A CN109454952 A CN 109454952A CN 201811502646 A CN201811502646 A CN 201811502646A CN 109454952 A CN109454952 A CN 109454952A
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- layer
- wear
- metal sheet
- clad metal
- resistant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/043—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/08—Interconnection of layers by mechanical means
Abstract
The present invention relates to a kind of multi-layer wear-resistant clad metal sheets and preparation method thereof.The clad metal sheet includes multiple wear-resistant elements compound in the up-down direction, and the wear-resistant elements include compound up and down alloy wear-resisting layer and potassium steel layer.In the clad metal sheet, alloy wear-resisting layer provides basic wear-resisting property, potassium steel layer is common wearing layer, the alloy wear-resisting layer on upper layer is being impacted, when being used under the operating condition of friction, the potassium steel layer of lower layer has from strengthening effect, in this way after the alloy wear-resisting layer abrasion on upper layer, the hardness and strength of potassium steel layer have improved, with good wearability, and the common wearing layer being located in another wear-resistant elements still has good toughness, to make clad metal sheet that good obdurability integrally be kept to combine, both the requirement of associated components had been met, the service life of wearing plate can also significantly be extended, reduce maintenance man-hours and shutdown loss, reduce overall cost, application value with higher.
Description
Technical field
The invention belongs to clad metal sheet fields, and in particular to a kind of multi-layer wear-resistant clad metal sheet and preparation method thereof.
Background technique
In mining production equipment, the components such as material-falling hopper, chute are conventional due to working under the operating conditions such as impact, friction for a long time
Wearing plate will appear serious wear in use for some time, influence the problem of normal production.The service life of this base part is low, more
It changes frequently, also will affect the duration of daily production, cause maintenance cost, production cost high.
The wearing plate for providing function admirable has important application value in mining production equipment.Notification number is
The Chinese patent of CN202074220U discloses a kind of alloy wear resistant lining plate, including substrate and high-chromium alloy wearing layer, substrate and
High-chromium alloy wearing layer formation bimetallic is compound, and substrate is generally ordinary low-carbon steel or low-alloy steel, provides at work
The comprehensive performances such as the intensity, toughness and plasticity of wearing plate entirety, and high-chromium alloy wearing layer provides and meets specified duty requirements
Wear-resisting property.
After wearing layer abrasion, substrate can be worn existing bimetal composite wear resistant plate quickly, lead to existing bimetallic
The service life of abrasion-proof composite plate is still to be improved.
Summary of the invention
The purpose of the present invention is to provide a kind of multi-layer wear-resistant clad metal sheets, to solve the use longevity of existing wearing plate
Order low problem.
The present invention also provides the preparation methods of above-mentioned multi-layer wear-resistant clad metal sheet, to solve the system of existing wearing plate
The low problem of the service life of wearing plate obtained by Preparation Method.
To achieve the above object, technical solution used by multi-layer wear-resistant clad metal sheet of the invention is:
A kind of multi-layer wear-resistant clad metal sheet, including multiple wear-resistant elements compound in the up-down direction, the wear-resisting list
Member includes compound up and down alloy wear-resisting layer and potassium steel layer.
Multi-layer wear-resistant clad metal sheet provided by the invention, mainly absorbed impact for a long time using mining equiment wearing plate,
The operating condition of friction carries out structure design, forms wear-resistant elements with alloy wear-resisting layer and potassium steel layer, alloy wear-resisting layer provides basis
Wear-resisting property, potassium steel layer are common wearing layer, and the alloy wear-resisting layer on upper layer is under impact, the operating condition to rub in use, lower layer
Potassium steel layer have from strengthening effect, in this way upper layer alloy wear-resisting layer abrasion after, the hardness and strength of potassium steel layer are
It is improved, there is good wearability, and the common wearing layer being located in another wear-resistant elements still has good toughness, thus
Make clad metal sheet that good obdurability integrally be kept to combine, had both met the requirement of associated components, and can also significantly prolong
The service life of long wearing plate reduces maintenance man-hours and shutdown loss, reduces overall cost, popularization and application valence with higher
Value.
The number of wear-resistant elements has a direct impact the service life of wearing plate entirety, and the quantity of wear-resistant elements is more, though
Can so it prolong the service life, but the forming difficulty of clad metal sheet will will increase, overall cost is higher.From service life and comprehensive
Synthesis is originally set out, it is preferred that the number of the wear-resistant elements is two.Using the clad metal sheet of two wear-resistant elements, make
Used time can form the combination of intensity gradually decreases, toughness gradually increases good obdurability from surface layer to bottom, not only integrate at
This is low, and service life is high.
From comprehensive performances such as the wearability of wearing plate, intensity, toughnesses, it is preferred that alloy wear-resisting layer with a thickness of 10
~30mm, potassium steel layer with a thickness of 10~30mm.
Alloy wear-resisting layer can directly adopt existing antifriction alloy, comprehensively consider in terms of cost and wear-resisting property, preferably
, the alloy wear-resisting layer is high Cr-containing alloy.To further reduce the cost and improving wearability, it is further preferred that the height
The mass percentage composition of Cr alloy are as follows: C 1.5%~2.0%, Si≤0.5%, Mn≤0.5%, Cr 12.0%~
14.0%, Mo 2.0%~3.0%, V 0.3%~0.6%, surplus Fe.
The compound built-up welding that the patent as involved by background technique can be used of metallurgy between adjacent alloys wearing layer and potassium steel layer
Mode improves service life here in order to further increase the performance of alloy wear-resisting layer, it is preferred that adjacent alloys wearing layer with
It is brazed between potassium steel layer compound.By being brazed complex method, avoidable built-up welding complex method occurs a large amount of on wearing layer
Equally distributed crackle, and then be conducive to improve alloy wear-resisting layer, the service life of wearing plate entirety.
Technical solution used by the preparation method of multi-layer wear-resistant clad metal sheet of the invention is:
A kind of preparation method of multi-layer wear-resistant clad metal sheet, including compound preparation above and below alloy wear-resisting layer and potassium steel layer
Wear-resistant elements and multiple wear-resistant elements step compound on composition metal plate thickness direction.
The preparation method of multi-layer wear-resistant clad metal sheet of the invention, preparation process is simple, and production cost is low, produces
The service life of multi-layer wear-resistant clad metal sheet is high, can be widely used for the wear-resisting operating condition of various needs, and popularization and application foreground is good.
It can realize the disposable welding of multi-layer wear-resistant clad metal sheet, by following brazing mode to reduce between each layer
Stress, avoid built-up welding generate crackle, to further increase the service life of wearing plate entirety.Preferably, in adjacent conjunction
It is uniformly laid with solder between golden wearing layer and potassium steel layer, is disposably brazed to obtain the final product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of multi-layer wear-resistant clad metal sheet embodiment 1 of the invention；
In figure, 1- the first potassium steel layer, 2- the first high Cr-containing alloy wearing layer, 3- the second potassium steel layer, 4- second is Cr high to be closed
Golden wearing layer.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
In following embodiment, the mass percentage composition of high Cr-containing alloy are as follows: C 1.5%~2.0%, Si≤0.5%, Mn≤
0.5%, Cr 12.0%~14.0%, Mo 2.0%~3.0%, V 0.3%~0.6%, surplus Fe.It can be according to existing
Casting technique is prefabricated into high Cr-containing alloy plate.
When brazing operation, since soldering needs for solder to be heated to certain temperature fusing, to realize preferably soldering effect,
Optional silver-base solder is brazed, and heating temperature is lower, and wear-resisting compound gold will not be greatly lowered because of weld heating
Belong to the intensity and hardness of plate.In general, the laying depth of solder is 0.1~1.8mm.Temperature when soldering is 550~680
DEG C, heating time is 20~30min.
The model Mn13-1 or Mn13-5 of potassium steel used in potassium steel layer, are selected according to cost and operating condition.
The embodiment 1 of multi-layer wear-resistant clad metal sheet of the invention, structural schematic diagram is as shown in Figure 1, include from inside to outside
(on thickness direction from the bottom to top) successively compound first potassium steel layer 1, the first high Cr-containing alloy wearing layer 2, the second potassium steel layer
3, the second high Cr-containing alloy wearing layer 4, soldering connection between each layer, the first potassium steel layer 1, the first high Cr-containing alloy wearing layer 2, second
Potassium steel layer 3, the second high Cr-containing alloy wearing layer 4 thickness be respectively 15mm, 10mm, 15mm, 10mm.
The embodiment 2 of multi-layer wear-resistant clad metal sheet of the invention, including (on thickness direction from the bottom to top) from inside to outside
Successively the first compound potassium steel layer, the first high Cr-containing alloy wearing layer, the second potassium steel layer, the second high Cr-containing alloy wearing layer, respectively
Soldering connection between layer, the first potassium steel layer, the first high Cr-containing alloy wearing layer, the second potassium steel layer, the second high Cr-containing alloy are wear-resisting
The thickness of layer is respectively 20mm, 15mm, 20mm, 15mm.
The embodiment 1 of the preparation method of multi-layer wear-resistant clad metal sheet of the invention, it is real to multi-layer wear-resistant clad metal sheet
The preparation for applying example 1 is illustrated, using following steps: inside to setting gradually the first potassium steel layer, the first high Cr in outside direction
Alloy wear-resisting layer, the second potassium steel layer, the second high Cr-containing alloy wearing layer, adjacent potassium steel layer and high Cr-containing alloy wearing layer it
Between be uniformly laid with solder, solder is silver-base solder (model Bag40CuZnCdNi), and laying depth is 0.5~0.8mm, 610
± 20 DEG C carry out disposable soldering connections to get.
The embodiment 2 of the preparation method of multi-layer wear-resistant clad metal sheet of the invention, it is real to multi-layer wear-resistant clad metal sheet
The preparation for applying example 2 is illustrated, using following steps: inside to setting gradually the first potassium steel layer, the first high Cr in outside direction
Alloy wear-resisting layer, the second potassium steel layer, the second high Cr-containing alloy wearing layer, adjacent potassium steel layer and high Cr-containing alloy wearing layer it
Between be uniformly laid with solder, solder is silver-base solder (model Bag40CuZnCdNi), and laying depth is 0.9~1.2mm, 610
± 20 DEG C carry out disposable soldering connections to get.
Comparative example 1
It is compound that the potassium steel layer of same size is formed into bimetallic together with high Cr-containing alloy wearing layer is by Welding
Plate, solder and brazing conditions are identical as the preparation method embodiment 1 of multi-layer wear-resistant clad metal sheet.
Test example
Four layers of wear-resisting clad metal sheet of this test example investigation embodiment 1 are with the ply-metal of comparative example 1 identical
Service life under operating condition is used as mining equiment liner plate, the results showed that, the ply-metal of comparative example 1 uses the longevity
Life is 1~2 month, and the service life of the multi-layer wear-resistant clad metal sheet of embodiment 1 reaches 3~4 months, is ply-metal
1.5 times or more of service life, thus it is highly suitable for mining equiment wear parts (such as mining equiment liner plate, abrasive material delivery board
Deng) use, maintenance man-hours and shutdown loss can be reduced, application prospect is good.
In other implementations of multi-layer wear-resistant clad metal sheet of the invention, the numbers of wear-resistant elements can for three with
On；Potassium steel layer, high Cr-containing alloy wearing layer thickness can be adjusted according to actual conditions；Other antifriction alloys can be used
Material replaces high Cr-containing alloy.In the preparation process of multi-layer wear-resistant clad metal sheet, it is possible to use other do not influence to be brazed effect
Solder (such as Bag-1, Bag-7 silver-base solder) connect each layer, specific brazing temperature can be determined according to selected solder.In multilayer
When prepared by wear-resisting clad metal sheet, wear-resistant elements can also be prepared by soldering, then soldering is recycled to realize multiple wear-resistant elements
It is compound on composition metal plate thickness direction.
Claims (8)
1. a kind of multi-layer wear-resistant clad metal sheet, which is characterized in that including multiple wear-resistant elements compound in the up-down direction, institute
Stating wear-resistant elements includes compound up and down alloy wear-resisting layer and potassium steel layer.
2. multi-layer wear-resistant clad metal sheet as described in claim 1, which is characterized in that the number of the wear-resistant elements is two
It is a.
3. multi-layer wear-resistant clad metal sheet as claimed in claim 1 or 2, which is characterized in that alloy wear-resisting layer with a thickness of 10
~30mm, potassium steel layer with a thickness of 10~30mm.
4. multi-layer wear-resistant clad metal sheet as described in claim 1, which is characterized in that the alloy wear-resisting layer is high Cr conjunction
Gold.
5. multi-layer wear-resistant clad metal sheet as claimed in claim 4, which is characterized in that the mass percent of the high Cr-containing alloy
Composition are as follows: C 1.5%~2.0%, Si≤0.5%, Mn≤0.5%, Cr 12.0%~14.0%, Mo 2.0%~3.0%, V
0.3%~0.6%, surplus Fe.
6. the multi-layer wear-resistant clad metal sheet as described in claims 1 or 2 or 4, which is characterized in that adjacent alloys wearing layer and height
It is brazed between manganese steel layer compound.
7. a kind of preparation method of multi-layer wear-resistant clad metal sheet, which is characterized in that including in alloy wear-resisting layer and potassium steel layer
Under compound prepare wear-resistant elements and multiple wear-resistant elements step compound on composition metal plate thickness direction.
8. a kind of preparation method of multi-layer wear-resistant clad metal sheet as described in claim 1, which is characterized in that in adjacent alloys
It is uniformly laid with solder between wearing layer and potassium steel layer, is disposably brazed to obtain the final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811502646.4A CN109454952B (en) | 2018-12-10 | 2018-12-10 | Multilayer wear-resistant composite metal plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811502646.4A CN109454952B (en) | 2018-12-10 | 2018-12-10 | Multilayer wear-resistant composite metal plate and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109454952A true CN109454952A (en) | 2019-03-12 |
| CN109454952B CN109454952B (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811502646.4A Active CN109454952B (en) | 2018-12-10 | 2018-12-10 | Multilayer wear-resistant composite metal plate and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11767905B2 (en) | 2020-08-07 | 2023-09-26 | Ami Industries, Inc. | Laminated rack assembly for powered motion of aircraft seats |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4044217A (en) * | 1975-05-07 | 1977-08-23 | Kawasaki Jukogyo Kabushiki Kaisha | Sliding surface working method using wire-explosion coating |
| CN201064722Y (en) * | 2007-06-29 | 2008-05-28 | 杭州双金机械配件有限公司 | Taper cone type crusher composite dental plate |
| CN201912975U (en) * | 2011-01-24 | 2011-08-03 | 曹志春 | Dual-metal composite lining plate with high wear resistance |
| EP2570674A1 (en) * | 2011-09-15 | 2013-03-20 | Sandvik Intellectual Property AB | Erosion resistant impeller vane made of metallic laminate |
-
2018
- 2018-12-10 CN CN201811502646.4A patent/CN109454952B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4044217A (en) * | 1975-05-07 | 1977-08-23 | Kawasaki Jukogyo Kabushiki Kaisha | Sliding surface working method using wire-explosion coating |
| CN201064722Y (en) * | 2007-06-29 | 2008-05-28 | 杭州双金机械配件有限公司 | Taper cone type crusher composite dental plate |
| CN201912975U (en) * | 2011-01-24 | 2011-08-03 | 曹志春 | Dual-metal composite lining plate with high wear resistance |
| EP2570674A1 (en) * | 2011-09-15 | 2013-03-20 | Sandvik Intellectual Property AB | Erosion resistant impeller vane made of metallic laminate |
Non-Patent Citations (1)
| Title |
|---|
| 洪涂泽: "《冷挤压工艺及模具设计》", 30 April 1985, 安徽科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11767905B2 (en) | 2020-08-07 | 2023-09-26 | Ami Industries, Inc. | Laminated rack assembly for powered motion of aircraft seats |
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| Publication number | Publication date |
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| CN109454952B (en) | 2020-12-04 |
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