CN201538070U - Metal/ceramic three-layered composite material - Google Patents
Metal/ceramic three-layered composite material Download PDFInfo
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- CN201538070U CN201538070U CN2009203072415U CN200920307241U CN201538070U CN 201538070 U CN201538070 U CN 201538070U CN 2009203072415 U CN2009203072415 U CN 2009203072415U CN 200920307241 U CN200920307241 U CN 200920307241U CN 201538070 U CN201538070 U CN 201538070U
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Abstract
A metal/ceramic three-layered composite materials comprises a metal layer, a ceramic layer and a metal/ceramic transition layer, wherein the metal/ceramic transition layer is located between the metal layer and the ceramic layer. The metal/ceramic three-layered composite material is wear-resistant, high temperature resistant and corrosion resistant, has relatively fine plasticity and ductility, and is low in production cost.
Description
Technical field
The utility model relates to a kind of metal/ceramic composite, especially relates to a kind of metal/ceramic 3-layer composite material.
Background technology
Pottery is a kind of high performance material that integrates wear-resisting, high temperature resistant, high rigidity and multiple premium properties such as anticorrosive, but at normal temperatures, poor toughness, difficult forming; Though it is metal has plasticity and toughness, wear-resisting, high temperature resistant, corrosion resistance is relatively poor.
The utility model content
The purpose of this utility model is in order to overcome the above-mentioned defective that prior art exists, to provide a kind of wear-resisting, high temperature resistant, corrosion-resistant, and has the metal/ceramic 3-layer composite material of plasticity and toughness preferably concurrently.
The purpose of this utility model is achieved through the following technical solutions: it comprises that metal level, ceramic layer, metal/ceramic transition zone constitute, and the metal/ceramic transition zone is between metal level and ceramic layer.
The thickness of described metal/ceramic transition zone accounts for the 40-60% of material gross thickness, and metal layer thickness accounts for the 20-30% of material gross thickness, and ceramic layer thickness accounts for the 20-30% of material gross thickness.
Preferred version: described metal level equates with ceramic layer thickness.
The metal/ceramic transition region thickness is bigger, and metal level and ceramic layer thickness are less, helps reducing the difference of structure and performance between metal level and the ceramic layer, improves the interface compatibility of lamination layer structure.
Metal level and ceramic layer add the binding agent sintering respectively by metal dust and ceramic powders respectively and form; The metal/ceramic transition zone is formed by the mixture interpolation binding agent sintering of metal dust and ceramic powders.In the mixture of described metal dust and ceramic powders, metal dust content is 30-40wt%, and ceramic powders content is 60-70wt%; The weight proportion of each layer powder stock and binding agent is 60-75%.
The preferred al-mg alloy powder of described metal dust; The preferred aluminium oxide ceramic powders of described ceramic powders.
Described binding agent can be selected existing known sintering binding agent for use, but the formulated binding agent of preferred following component: high density polyethylene (HDPE) 30-45wt%, stearic acid 5-10wt%, paraffin 30-40wt%, Tissuemat E 8-12wt%, polypropylene 8-12wt%.
The physicochemical property of metal/ceramic transition zone is between metal level and ceramic layer, relaxed the conflict of two kinds of different materials different performances on the one hand, mode by physics infiltration and chemical reaction can well combine metal level and ceramic layer on the other hand, strengthen interface performance, promote power and hot transmission between two kinds of different materials, effectively improve the composite performance of material.The modulus of pottery is much larger than metal, the toughness of metal is much better than pottery, the ceramic/metal composite bed of compound centre not only contains metal ingredient but also contain ceramic component, weakened the sudden change on the inside and outside double-layer structure, weakened the gap between the overall modulus of intermediate layer and metal level, the ceramic layer, reduce the residual stress that double-layer structure produces under external force, improved the vibration performance of material.
The utility model is wear-resistant, and is high temperature resistant, corrosion-resistant, and has plasticity and toughness preferably concurrently, and production cost is low.
Description of drawings
Fig. 1 is the metal/ceramic 3-layer composite material structural representation of the utility model embodiment.
Among the figure: 1, almag layer; 2, metal/ceramic transition zone; 3, aluminium oxide ceramics layer.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
With reference to Fig. 1, the metal/ceramic 3-layer composite material embodiment of the utility model is made of almag layer 1, almag/aluminium oxide ceramics transition zone 2, aluminium oxide ceramics layer 3, and almag/aluminium oxide ceramics transition zone 2 is between almag layer 1 and aluminium oxide ceramics layer 3.
Present embodiment almag/aluminium oxide ceramics transition zone 2 thick 8 millimeters, 3 millimeters of ceramic bed thickness, 3 millimeters of metal bed thickness.
The prescription of binding agent is: high density polyethylene (HDPE) 40wt%, stearic acid 8wt%, paraffin 32wt%, Tissuemat E 10wt%, polypropylene 10wt%.
Preparation: 1) powder stock is carried out thinning processing, control particle diameter 0.5-2 μ m is divided into 4 equal portions with powder stock, and gradation adds, and stirs; After fully mixing, again compound was left standstill 24 hours ageing in baking oven; 2) compound with ageing passes through the extruder extruding pelletization, compound is made long 4mm, the strip of diameter 2mm; 3) with nylon 6/6 film mold cavity is separated into three cavitys by preliminary dimension, described three kinds of compounds are injected same mold cavity respectively by in three cavitys that are divided into nylon 6/6 divided thin film synchronously by three injector, make base substrate, left standstill 24 hours; 4) under 350 ℃, bad body is carried out hot degreasing 20 hours; 5) the degreasing base being placed the HTHP electric furnace, form fine and close workpiece in 1550 ℃ of sintering in air atmosphere, is 1 ℃/min at room temperature to 500 ℃, 1100 ℃ of-1550 ℃ of interval heating rates, and other interval heating rate is 5 ℃/min, and pressure is 250MPa.
Binder making: earlier the high density polyethylene (HDPE) that takes by weighing is heated to 190 ℃, makes it by the thick liquid matter that white particulate becomes colorless, add stearic acid again, temperature is controlled at 170 ℃; Treat to be cooled to 148 ℃ after the stearic acid dissolving, add atoleine and Tissuemat E, continue heating, temperature is controlled at 148 ℃, and until all mixing, thick material is white in color.
Present embodiment metal/ceramic 3-layer composite material product, come the mechanical property of test compound material with hardness testing machine, the comprehensive hardness HB of composite is greater than 350, heat resisting temperature is up to 1200 ℃, kept the strong and almag good ductility of the higher antifriction degree of ceramic layer, corrosion resistance simultaneously, this structure can absorb impact energy effectively when being subjected to serious impact or static pressure, reduces the damage to the aluminium oxide ceramics layer of impact and too high static pressure.
This metal/ceramic three-layer composite material embodiment, 6 millimeters of almags/aluminium oxide ceramics transition bed thickness, 3 millimeters of ceramic bed thickness, 3 millimeters of metal bed thickness.
In the composition of described al-mg alloy powder and aluminium oxide ceramics powder, the al-mg alloy powder quality accounts for 30wt%, and the aluminium oxide ceramics powder quality accounts for 70wt%; Each layer powder stock weight accounts for 60% of powder stock and binding agent gross weight.
The prescription of binding agent is: high density polyethylene (HDPE) 30wt%, stearic acid 10wt%, paraffin 38wt%, Tissuemat E 11wt%, polypropylene 11wt%.
The preparation method is with embodiment 1.
Present embodiment metal/ceramic 3-layer composite material product, come the mechanical property of test compound material with hardness testing machine, the comprehensive hardness HB of composite is greater than 400, the ceramic plane heat resisting temperature is up to 1370 ℃, kept the strong and almag good ductility of the higher antifriction degree of ceramic layer, corrosion resistance simultaneously, this structure can absorb impact energy effectively when being subjected to serious impact or static pressure, reduces the damage to the aluminium oxide ceramics layer of impact and too high static pressure.
This metal/ceramic three-layer composite material embodiment, 8.8 millimeters of almags/aluminium oxide ceramics transition bed thickness, 5.6 millimeters of ceramic bed thickness, 5.6 millimeters of metal bed thickness.Surplus with embodiment 1.
In the composition of described al-mg alloy powder and aluminium oxide ceramics powder, the al-mg alloy powder quality accounts for 40wt%, and the aluminium oxide ceramics powder quality accounts for 60wt%; Each layer powder stock weight accounts for 75% of powder stock and binding agent gross weight.
The prescription of binding agent is: high density polyethylene (HDPE) 38wt%, stearic acid 9wt%, paraffin 35wt%, Tissuemat E 9wt%, polypropylene 9wt%.
The preparation method is with embodiment 1.
Present embodiment metal/ceramic 3-layer composite material product, come the mechanical property of test compound material with hardness testing machine, the comprehensive hardness HB of composite is greater than 320, heat resisting temperature is up to 1320 ℃, kept the strong and almag good ductility of the higher antifriction degree of ceramic layer, corrosion resistance simultaneously, this structure can absorb impact energy effectively when being subjected to serious impact or static pressure, reduces the damage to the aluminium oxide ceramics layer of impact and too high static pressure.
Claims (3)
1. a metal/ceramic 3-layer composite material is characterized in that, is made of metal level, ceramic layer, metal/ceramic transition zone, and the metal/ceramic transition zone is between metal level and ceramic layer.
2. metal/ceramic 3-layer composite material according to claim 1, it is characterized in that, the thickness of described metal/ceramic transition zone accounts for the 40-60% of material gross thickness, and metal layer thickness accounts for the 20-30% of material gross thickness, and ceramic layer thickness accounts for the 20-30% of material gross thickness.
3. metal/ceramic 3-layer composite material according to claim 2 is characterized in that described metal level equates with ceramic layer thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009203072415U CN201538070U (en) | 2009-08-03 | 2009-08-03 | Metal/ceramic three-layered composite material |
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| CN2009203072415U CN201538070U (en) | 2009-08-03 | 2009-08-03 | Metal/ceramic three-layered composite material |
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| CN2009203072415U Expired - Fee Related CN201538070U (en) | 2009-08-03 | 2009-08-03 | Metal/ceramic three-layered composite material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618617B (en) * | 2009-08-03 | 2012-10-03 | 李新桥 | Metal/ceramic three-layer composite material and preparation method thereof |
| CN106623945A (en) * | 2016-10-16 | 2017-05-10 | 成都蒲江珂贤科技有限公司 | Metal matrix wear-resisting and corrosion-resisting surface coating composite material and preparing method thereof |
| WO2019085870A1 (en) * | 2017-10-31 | 2019-05-09 | 华为技术有限公司 | Composite material, middle frame of mobile phone, back cover of mobile phone, and composite material processing method |
| CN113046677A (en) * | 2021-03-12 | 2021-06-29 | 昆明理工大学 | Flaky ceramic/aluminum alloy composite material and preparation method thereof |
-
2009
- 2009-08-03 CN CN2009203072415U patent/CN201538070U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618617B (en) * | 2009-08-03 | 2012-10-03 | 李新桥 | Metal/ceramic three-layer composite material and preparation method thereof |
| CN106623945A (en) * | 2016-10-16 | 2017-05-10 | 成都蒲江珂贤科技有限公司 | Metal matrix wear-resisting and corrosion-resisting surface coating composite material and preparing method thereof |
| CN106623945B (en) * | 2016-10-16 | 2019-01-08 | 浙江炊大王炊具有限公司 | A kind of metal matrix wear-resistant corrosion-resistant surface covering composite material and preparation method |
| WO2019085870A1 (en) * | 2017-10-31 | 2019-05-09 | 华为技术有限公司 | Composite material, middle frame of mobile phone, back cover of mobile phone, and composite material processing method |
| CN113046677A (en) * | 2021-03-12 | 2021-06-29 | 昆明理工大学 | Flaky ceramic/aluminum alloy composite material and preparation method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20130803 |