CN105112713A - Rare earth copper-based composite and preparation method thereof - Google Patents
Rare earth copper-based composite and preparation method thereof Download PDFInfo
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- CN105112713A CN105112713A CN201510540095.0A CN201510540095A CN105112713A CN 105112713 A CN105112713 A CN 105112713A CN 201510540095 A CN201510540095 A CN 201510540095A CN 105112713 A CN105112713 A CN 105112713A
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Abstract
The invention discloses a rare earth copper-based composite and a preparation method thereof. The composite comprises the following components in percentage by mass: 1.3-1.9% of iron oxide red, 1.6-2.3% of calcium carbonate, 1.5-2.0% of hafnium oxide, 4.6-5.0% of titanium dioxide, 7.6-8.9% of phosphorus powder, 10.2-14.5% of heavy rare earth, 1.2-1.5% of niobium powder, 4.0-5.0% of silver iodide, 2.0-3.5% of titanium diboride and the balance being copper powder. The preparation method of the rare earth copper-based composite comprises the following steps: uniformly mixing iron oxide red, calcium carbonate, hafnium oxide, titanium dioxide, phosphorus powder, niobium powder, silver iodide, titanium diboride and copper powder, drying for 10-20 minutes at the temperature of 200-300 DEG C; carrying out cold pressing in a cold presser; sintering, in which the sintering temperature is 600-800 DEG C, the sintering pressure is 3-4MPa and the heat preservation time lasts for 30-40 minutes; and cooling. The elasticity modulus of the prepared rare earth copper-based composite is obviously improved and reaches 57-60GPa. Due to the addition of heavy rare earth, the rare earth copper-based composite has high strength, high elasticity modulus and high plasticity; the production requirements of lightweight materials are met.
Description
Technical field
The invention belongs to field of compound material, particularly relate to a kind of rare earth copper-based matrix material and preparation method thereof.
Background technology
Copper is the metal of red-purple gloss, density 8.92 grams/cc.Fusing point 1083.4 ± 0.2 DEG C, boiling point 2567 DEG C.There is good ductility.Heat conduction and conductivity better.Cu-base composites is adopted to have excellent over-all properties, such as, copper base bearing metals has high fatigue strength and supporting capacity, and the good thermal conductivity frictional coefficient of excellent wear resistance is low, normally can work below 250 DEG C, close the bearing worked under manufacturing high-speed overload; The outstanding advantages of pot metal is that supporting capacity is large, and fatigue resistance high heat resistance is good.But Cu-base composites weight is large, increase apparatus weight, not Easy Move.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of rare earth copper-based matrix material and preparation method thereof, Young's modulus is high, is applicable to light material and manufactures demand.
In order to solve the problems of the technologies described above, the present invention by the following technical solutions:
Rare earth copper-based matrix material, the component containing following mass percentage: red iron oxide 1.3 ~ 1.9%, calcium carbonate 1.6 ~ 2.3%, hafnia 1.5 ~ 2.0%, titanium dioxide 4.6 ~ 5.0%, phosphorus powder 7.6 ~ 8.9%, heavy rare earths 10.2 ~ 14.5%, niobium powder 1.2 ~ 1.5%, Silver iodide 4.0 ~ 5.0%, TiB2 2.0 ~ 3.5%, all the other are copper powder.
As to further improvement of the present invention, rare earth copper-based matrix material, the component containing following mass percentage: red iron oxide 1.6%, calcium carbonate 2.0%, hafnia 1.8%, titanium dioxide 4.8%, phosphorus powder 8.0%, heavy rare earths 12%, niobium powder 1.3%, Silver iodide 4.5%, TiB2 2.8%, all the other are copper powder.
As to further improvement of the present invention, heavy rare earths is holmium, europium, erbium or yttrium.
As to further improvement of the present invention, titanium nitride is nitride two titaniums or tetrazotization Tritanium/Trititanium.
The preparation method of above-mentioned rare earth copper-based matrix material, comprises the following steps:
(1) by red iron oxide, calcium carbonate, hafnia, titanium dioxide, phosphorus powder, niobium powder, Silver iodide, TiB2, copper powder mixing, dry, bake out temperature is 200 ~ 300 DEG C, drying time 10 ~ 20min;
(2) cold pressing in cold compression device;
(3) sinter, sintering temperature is 600 ~ 800 DEG C, and sintering pressure is 3 ~ 4MPa, and soaking time is 30 ~ 40min.
(4) cool.
technique effect
The Young's modulus of rare earth copper-based matrix material prepared by the present invention is significantly improved, and reaches 57 ~ 60GPa.This is because adding of heavy rare earths makes the present invention have high strength, high elastic coefficient and good plasticity, meet the demand that light material manufactures.
Embodiment
Below by specific embodiment, the present invention is further described in detail, but is not limited to this.
embodiment 1
Rare earth copper-based matrix material, the component containing following mass percentage: red iron oxide 1.6%, calcium carbonate 2.0%, hafnia 1.8%, titanium dioxide 4.8%, phosphorus powder 8.0%, heavy rare earths 12%, niobium powder 1.3%, Silver iodide 4.5%, TiB2 2.8%, all the other are copper powder.
Heavy rare earths is holmium.
Titanium nitride is nitride two titaniums.
The preparation method of above-mentioned rare earth copper-based matrix material, comprises the following steps:
(1) by red iron oxide, calcium carbonate, hafnia, titanium dioxide, phosphorus powder, niobium powder, Silver iodide, TiB2, copper powder mixing, dry, bake out temperature is 250 DEG C, drying time 15min;
(2) cold pressing in cold compression device;
(3) sinter, sintering temperature is 700 DEG C, and sintering pressure is 3.5MPa, and soaking time is 35min.
(4) cool.
embodiment 2
Rare earth copper-based matrix material, the component containing following mass percentage: red iron oxide 1.3%, calcium carbonate 1.6%, hafnia 1.5%, titanium dioxide 4.6%, phosphorus powder 7.6%, heavy rare earths 10.2%, niobium powder 1.2%, Silver iodide 4.0%, TiB2 2.0%, all the other are copper powder.
Heavy rare earths is europium.
Titanium nitride is tetrazotization Tritanium/Trititanium.
The preparation method of above-mentioned rare earth copper-based matrix material, comprises the following steps:
(1) by red iron oxide, calcium carbonate, hafnia, titanium dioxide, phosphorus powder, niobium powder, Silver iodide, TiB2, copper powder mixing, dry, bake out temperature is 200 DEG C, drying time 10min;
(2) cold pressing in cold compression device;
(3) sinter, sintering temperature is 600 DEG C, and sintering pressure is 3MPa, and soaking time is 30min.
(4) cool.
embodiment 3
Rare earth copper-based matrix material, the component containing following mass percentage: red iron oxide 1.9%, calcium carbonate 2.3%, hafnia 2.0%, titanium dioxide 5.0%, phosphorus powder 8.9%, heavy rare earths 14.5%, niobium powder 1.5%, Silver iodide 5.0%, TiB2 3.5%, all the other are copper powder.
Heavy rare earths is erbium.
Titanium nitride is nitride two titaniums.
The preparation method of above-mentioned rare earth copper-based matrix material, comprises the following steps:
(1) by red iron oxide, calcium carbonate, hafnia, titanium dioxide, phosphorus powder, niobium powder, Silver iodide, TiB2, copper powder mixing, dry, bake out temperature is 300 DEG C, drying time 20min;
(2) cold pressing in cold compression device;
(3) sinter, sintering temperature is 800 DEG C, and sintering pressure is 4MPa, and soaking time is 40min.
(4) cool.
embodiment 4
Rare earth copper-based matrix material, the component containing following mass percentage: red iron oxide 1.5%, calcium carbonate 1.8%, hafnia 1.8%, titanium dioxide 4.8%, phosphorus powder 8.6%, heavy rare earths 11.2%, niobium powder 1.3%, Silver iodide 4.2%, TiB2 2.8%, all the other are copper powder.
Heavy rare earths is yttrium.
Titanium nitride is tetrazotization Tritanium/Trititanium.
The preparation method of above-mentioned rare earth copper-based matrix material, comprises the following steps:
(1) by red iron oxide, calcium carbonate, hafnia, titanium dioxide, phosphorus powder, niobium powder, Silver iodide, TiB2, copper powder mixing, dry, bake out temperature is 220 DEG C, drying time 18min;
(2) cold pressing in cold compression device;
(3) sinter, sintering temperature is 680 DEG C, and sintering pressure is 3.4MPa, and soaking time is 38min.
(4) cool.
comparative example 1
Identical with embodiment 1, difference is: do not add heavy rare earths.
performance test
The hardness of material: put into by material on HB-3000B Brinell testing machine, loaded weight is 500kg, and pressure head is Wimet steel ball, and diameter is 10mm, pressurize 30s, tested for hardness.Test result sees the following form 1.
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example 1 | |
| Brinell hardness | 93.6 | 90.5 | 92.6 | 91.3 | 63.2 |
| Plasticity % | 8.3 | 8.2 | 7.9 | 7.9 | 6.3 |
| Elastic modulus G Pa | 60 | 58 | 57 | 58 | 33 |
Conclusion: the Brinell hardness of comparative example 1 is 63.2, and the Brinell hardness adding the matrix material of heavy rare earths is 90.5 ~ 93.6, and the Young's modulus of rare earth copper-based matrix material prepared by the present invention have also been obtained and significantly improves, and reaches 57 ~ 60GPa.Illustrate that adding of heavy rare earths makes the present invention have high strength, high elastic coefficient and good plasticity, meet the demand that light material manufactures.
Claims (5)
1. rare earth copper-based matrix material, it is characterized in that, the component containing following mass percentage: red iron oxide 1.3 ~ 1.9%, calcium carbonate 1.6 ~ 2.3%, hafnia 1.5 ~ 2.0%, titanium dioxide 4.6 ~ 5.0%, phosphorus powder 7.6 ~ 8.9%, heavy rare earths 10.2 ~ 14.5%, niobium powder 1.2 ~ 1.5%, Silver iodide 4.0 ~ 5.0%, TiB2 2.0 ~ 3.5%, all the other are copper powder.
2. rare earth copper-based matrix material according to claim 1, it is characterized in that, component containing following mass percentage, red iron oxide 1.6%, calcium carbonate 2.0%, hafnia 1.8%, titanium dioxide 4.8%, phosphorus powder 8.0%, heavy rare earths 12%, niobium powder 1.3%, Silver iodide 4.5%, TiB2 2.8%, all the other are copper powder.
3. rare earth copper-based matrix material according to claim 1, is characterized in that, heavy rare earths is holmium, europium, erbium or yttrium.
4. rare earth copper-based matrix material according to claim 1, is characterized in that, titanium nitride is nitride two titaniums or tetrazotization Tritanium/Trititanium.
5., based on the preparation method of rare earth copper-based matrix material according to claim 1, it is characterized in that, comprise the following steps:
(1) by red iron oxide, calcium carbonate, hafnia, titanium dioxide, phosphorus powder, niobium powder, Silver iodide, TiB2, copper powder mixing, dry, bake out temperature is 200 ~ 300 DEG C, drying time 10 ~ 20min;
(2) cold pressing in cold compression device;
(3) sinter, sintering temperature is 600 ~ 800 DEG C, and sintering pressure is 3 ~ 4MPa, and soaking time is 30 ~ 40min;
(4) cool.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107955924A (en) * | 2017-11-27 | 2018-04-24 | 广西厚思品牌策划顾问有限公司 | A kind of high heat-conducting copper-based composite material and preparation method thereof |
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| CN1595569A (en) * | 2004-06-21 | 2005-03-16 | 乐清市帕特尼触头有限公司 | Copper/rare-earth oxide/carbon contact and method for producing same |
| CN101106024A (en) * | 2007-08-07 | 2008-01-16 | 济南大学 | Weak electricity copper base electric contact composite material and method for making same |
| CN101148717A (en) * | 2007-04-12 | 2008-03-26 | 南昌航空工业学院 | High-performance yttrium-base heavy rare earth copper alloy die material and preparation method thereof |
| CN101293279A (en) * | 2008-06-19 | 2008-10-29 | 河南科技大学 | Technique of preparing highly heat resisting and highly conductive spot-welding electrode material |
| CN101698911A (en) * | 2009-10-23 | 2010-04-28 | 张运林 | Copper-aluminium-base electric contact composite material |
| CN104164587A (en) * | 2014-08-01 | 2014-11-26 | 烟台万隆真空冶金股份有限公司 | Compact dispersion-strengthened copper-base composite material |
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- 2015-08-28 CN CN201510540095.0A patent/CN105112713A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1059619A (en) * | 1991-09-11 | 1992-03-18 | 甘肃省机械科学研究院 | Composite copper-based non-silver electric contact material |
| CN1183622A (en) * | 1996-01-29 | 1998-06-03 | 董元源 | Electric copper-based silverless contact composite material with high flow welding resistance |
| CN1595569A (en) * | 2004-06-21 | 2005-03-16 | 乐清市帕特尼触头有限公司 | Copper/rare-earth oxide/carbon contact and method for producing same |
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| CN101293279A (en) * | 2008-06-19 | 2008-10-29 | 河南科技大学 | Technique of preparing highly heat resisting and highly conductive spot-welding electrode material |
| CN101698911A (en) * | 2009-10-23 | 2010-04-28 | 张运林 | Copper-aluminium-base electric contact composite material |
| CN104164587A (en) * | 2014-08-01 | 2014-11-26 | 烟台万隆真空冶金股份有限公司 | Compact dispersion-strengthened copper-base composite material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107955924A (en) * | 2017-11-27 | 2018-04-24 | 广西厚思品牌策划顾问有限公司 | A kind of high heat-conducting copper-based composite material and preparation method thereof |
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