CN101781733A - Copper-iron-based powder sintered diamond composite material and preparation method thereof - Google Patents
Copper-iron-based powder sintered diamond composite material and preparation method thereof Download PDFInfo
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- CN101781733A CN101781733A CN200910021464A CN200910021464A CN101781733A CN 101781733 A CN101781733 A CN 101781733A CN 200910021464 A CN200910021464 A CN 200910021464A CN 200910021464 A CN200910021464 A CN 200910021464A CN 101781733 A CN101781733 A CN 101781733A
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Abstract
The invention discloses a copper-iron-based powder sintered diamond composite material and a preparation method thereof. The copper-iron-based powder sintered diamond composite material comprises the following components in percentage by weight: 42.00 to 46.00 percent of Cu, 32.00 to 35.00 percent of Fe, 8.00 to 10.00 percent of Co, 8.50 to 10.50 percent of Ni, 1.50 to 3.50 percent of Cr, 1.50 to 3.50 percent of Sn, 0.10 to 2.00 percent of Zn and less than or equal to 1 percent of other impurities; and diamond is mixed in the material by accounting for 3.60 to 5.10 percent of the total weight of the matrix materials, and the granularity of the diamond is ranged from -80 to +140 meshes according to cutting or grinding purpose. The preparation method comprises the following steps: mixing the components and powder in the ratio according to powder size, ensuring that the ratio of mixed powder to balls of a ball mill is 5:1, and performing ball milling for 20 minutes; weighing the material according to product weight requirements, and filling the material into a moulding die for compression moulding; pressurizing 3 to 3.5MPa in a pressurizing sintering furnace under the protection of hydrogen to sinter the material at the temperature of between 870 and 950 DEG C, and preserving the heat for 1.5 to 2.0 hours. The sintered copper-iron-based powder sintered diamond composite material product can be used as a stone processing tool.
Description
Technical field
The present invention relates to stone material ground finish cutter material, specifically is copper-iron-based powder sintered diamond composite material and preparation method thereof.
Background technology
Diamond tool (saw) sheet is the important tool of stone material, glass processing industry, and the body material of diamond tool (saw) generally adopts resol at present.Resin saw blade bending strength, hardness, impelling strength is low, porosity is high, and is poor with the diamond wettability, and the diamond drop-off degree is bigger, causes adamantine utilization ratio lower.
Summary of the invention
The purpose of this invention is to provide a kind of copper-iron-based powder sintered diamond composite material and preparation method thereof.
Copper-iron-based powder sintered diamond composite material and preparation method thereof, by weight percentage, its component is: Cu 42.00～46.00%, and Fe 32.00～35.00%, Co 8.00～10.00%, Ni 8.50～10.50%, and Cr 1.50～3.50%, and Sn 1.50～3.50%, Zn 0.10～2.00%, other impurity≤1%, diamond are by 3.60～5.10% batchings of above body material gross weight, and diamond grit is selected-80～+ 140 order numbers respectively for use by cutting or the different purposes of grinding.
The copper-iron-based powder sintered diamond composite material preparation method; the steps include: to prepare burden by above-described composition and powder size; the ratio of grinding media to material of mixed powder and ball mill is 5: 1; carried out ball mill mixing 20 minutes; by product weight requirement weighing; the compression moulding in the pressing mold of packing into; 3～3.5MPa sintering that pressurizes in the pressure sintering stove under the hydrogen shield condition is become a useful person; sintering range is 870～950 ℃; soaking time is 1.5～2.0 hours, and the copper-iron-based powder sintered diamond composite material product of thermal sintering can be used as the processing of stone cutter.
Beneficial effect of the present invention is: Cu, Fe, Zn, Sn are sintering matrix major components, play a supportive role mechanical propertys such as the hardness of decision material, intensity.Sn, Zn and Cu, Fe mutual diffusion mutually in the sintering process form αGu Rongti, and the hardness of material is strengthened to some extent; Sn and Cu, Fe mutual diffusion very easily mutually, and along with the increase of Sn content, solid solubility increases, and the hardness of material increases; When the content of Cu greater than 35% the time, the tissue of Cu-Fe base sintered compact forms a large amount of light-weight metal-Fu copper ε phases that can the filling perforation crack, the hardness of material is improved; Fe, Cr, Ni have formed Fe in sintering process
7Ni
3, CrFe
4, intermetallic compound such as FeCrNi, the sintering matrix has been played the strong hardened effect of disperse; Therefore Co particulate intensity and hardness all are higher than matrix alloy, are uniformly distributed in the effect that Co particle in the matrix can play particle strengthening.Diamond mainly plays cutting action, and other composition in diamond and the body material does not play any chemical reaction, but can be wetting by matrix metal Cu, Fe.The hardness HB of copper-iron-based powder sintered diamond composite material 〉=140, stable performance.
Embodiment
The present invention is copper-iron-based powder sintered diamond composite material and preparation method thereof, by weight percentage, its component is: Cu 42.00～46.00%, Fe 32.00～35.00%, Co 8.00～10.00%, Ni8.50～10.50%, Cr 1.50～3.50%, Sn 1.50～3.50%, Zn 0.10～2.00%, other impurity≤1%, diamond are by 3.60～5.10% batchings of above body material gross weight, and diamond grit is selected-80～+ 140 order numbers respectively for use by cutting or the different purposes of grinding.
More than the starting powder granularity order scope of counting of each component be respectively: Cu:-180～+ 220, Fe:-150～+ 200, Co:-250～+ 300, Ni:-250～+ 300, Cr:-180～+ 220, Sn:-180～+ 220, Zn:-250～+ 300.
The copper-iron-based powder sintered diamond composite material preparation method; the steps include: to prepare burden by above-described composition and powder size; the ratio of grinding media to material of mixed powder and ball mill is 5: 1; carried out ball mill mixing 20 minutes; by product weight requirement weighing; the compression moulding in the pressing mold of packing into; 3～3.5MPa sintering that pressurizes in the pressure sintering stove under the hydrogen shield condition is become a useful person; sintering range is 870～950 ℃; soaking time is 1.5～2.0 hours, and the copper-iron-based powder sintered diamond composite material product of thermal sintering can be used as the processing of stone cutter.
Be embodiment more specifically below.
Embodiment 1:
Count by weight percentage, composition of the present invention (and granularity order number of use powder) is: Cu 42.00% (+220), Fe 35.50% (+200), Co 8.00% (+250), Ni 8.50% (+250), Cr 2.50% (+220), Sn 1.50% (+220), Zn 2.00% (+300).Diamond is by 3.63% batching of above body material gross weight, and granularity is selected for use+140 orders.Prepare burden in proportion by above-mentioned composite material compositions and powder size; the ratio of grinding media to material of mixed powder and ball mill is 5: 1; in being the ball mill of 200r/min, rotating speed carried out ball mill mixing 20 minutes; by compression moulding in product weight requirement weighing, the pressing mold of packing into; 3～3.5MPa sintering that pressurizes in the pressure sintering stove under the hydrogen shield condition is become a useful person; sintering range is 870～950 ℃, and soaking time is 1.5～2.0 hours.The copper-iron-based powder sintered diamond composite material saw blade of thermal sintering can be used as the stone material grinding knife tool.
Embodiment 2:
Count by weight percentage, composition of the present invention (and granularity order number of use powder) is: Cu 46.00% (+220), Fe 32.00% (+200), Co 10.00% (+300), Ni 8.50% (+300), Cr 1.50% (+220), Sn 1.50% (+220), Zn 0.50% (+300).Diamond is by 4.33% batching of above body material gross weight, and granularity is selected for use+100 orders.Prepare burden in proportion by above-mentioned composite material compositions and powder size; the ratio of grinding media to material of mixed powder and ball mill is 5: 1; in being the ball mill of 200r/min, rotating speed carried out ball mill mixing 20 minutes; by compression moulding in product weight requirement weighing, the pressing mold of packing into; 3～3.5MPa sintering that pressurizes in the pressure sintering stove under the hydrogen shield condition is become a useful person; sintering range is 870～950 ℃, and soaking time is 1.5～2.0 hours.The copper-iron-based powder sintered diamond composite material saw blade of thermal sintering can be used as the stone material grinding knife tool.
Embodiment 3:
Count by weight percentage, composition of the present invention (and granularity order number of use powder) is: Cu 43.80% (+180), Fe 33.00% (+150), Co 9.00% (+250), Ni 9.10% (+250), Cr1.50% (+180), Sn 3.50% (+180), Zn 0.10% (+250).Diamond is by 5.10% batching of above body material gross weight, and granularity is selected for use+120 orders.Prepare burden in proportion by above-mentioned composite material compositions and powder size; the ratio of grinding media to material of mixed powder and ball mill is 5: 1; in being the ball mill of 200r/min, rotating speed carried out ball mill mixing 20 minutes; by compression moulding in product weight requirement weighing, the pressing mold of packing into; 3～3.5MPa sintering that pressurizes in the pressure sintering stove under the hydrogen shield condition is become a useful person; sintering range is 870～950 ℃, and soaking time is 1.5～2.0 hours.The copper-iron-based powder sintered diamond composite material saw blade of thermal sintering can be used as the stone material grinding knife tool.
Embodiment 4:
Count by weight percentage, composition of the present invention (and granularity order number of use powder) is: Cu 42.00% (+220), Fe 35.50% (+200), Co 8.00% (+250), Ni 8.50% (+250), Cr 2.50% (+220), Sn 1.50% (+220), Zn 2.00% (+300).Diamond is by 5.10% batching of above body material gross weight, and granularity is selected for use+100 orders.Prepare burden in proportion by above-mentioned composite material compositions and powder size; the ratio of grinding media to material of mixed powder and ball mill is 5: 1; in being the ball mill of 200r/min, rotating speed carried out ball mill mixing 20 minutes; by compression moulding in product weight requirement weighing, the pressing mold of packing into; 3～3.5MPa sintering that pressurizes in the pressure sintering stove under the hydrogen shield condition is become a useful person; sintering range is 870～950 ℃, and soaking time is 1.5～2.0 hours.The copper-iron-based powder sintered diamond composite material saw blade of thermal sintering can be used as the stone cutting cutter.
Embodiment 5:
Count by weight percentage, composition of the present invention (and granularity order number of use powder) is: Cu 46.00% (+220), Fe 32.00% (+200), Co 10.00% (+300), Ni 8.50% (+300), Cr 1.50% (+220), Sn 1.50% (+220), Zn 0.50% (+300).Diamond is by 3.60% batching of above body material gross weight, and granularity is selected for use+80 orders.Prepare burden in proportion by above-mentioned composite material compositions and powder size; the ratio of grinding media to material of mixed powder and ball mill is 5: 1; in being the ball mill of 200r/min, rotating speed carried out ball mill mixing 20 minutes; by compression moulding in product weight requirement weighing, the pressing mold of packing into; 3～3.5MPa sintering that pressurizes in the pressure sintering stove under the hydrogen shield condition is become a useful person; sintering range is 870～950 ℃, and soaking time is 1.5～2.0 hours.The copper-iron-based powder sintered diamond composite material saw blade of thermal sintering can be used as the stone cutting cutter.
Embodiment 6:
Count by weight percentage, composition of the present invention (and granularity order number of use powder) is: Cu 43.80% (+180), Fe 33.00% (+150), Co 9.00% (+250), Ni 9.10% (+250), Cr1.50% (+180), Sn 3.50% (+180), Zn 0.10% (+250).Diamond is by 4.33% batching of above body material gross weight, and granularity is selected for use+80 orders.Prepare burden in proportion by above-mentioned composite material compositions and powder size; the ratio of grinding media to material of mixed powder and ball mill is 5: 1; in being the ball mill of 200r/min, rotating speed carried out ball mill mixing 20 minutes; by compression moulding in product weight requirement weighing, the pressing mold of packing into; 3～3.5MPa sintering that pressurizes in the pressure sintering stove under the hydrogen shield condition is become a useful person; sintering range is 870～950 ℃, and soaking time is 1.5～2.0 hours.The copper-iron-based powder sintered diamond composite material saw blade of thermal sintering can be used as the stone cutting cutter.
Claims (3)
1. copper-iron-based powder sintered diamond composite material, it is characterized in that by weight percentage its component is: Cu 42.00～46.00%, and Fe 32.00～35.00%, Co 8.00～10.00%, Ni 8.50～10.50%, and Cr 1.50～3.50%, and Sn 1.50～3.50%, Zn 0.10～2.00%, other impurity≤1%, diamond are by 3.60～5.10% batchings of above body material gross weight, and diamond grit is selected-80～+ 140 order numbers respectively for use by cutting or the different purposes of grinding.
2. copper-iron-based powder sintered diamond composite material according to claim 1, the starting powder granularity order scope of counting that it is characterized in that each component is respectively: Cu:-180～+ 220, Fe:-150～+ 200, Co:-250～+ 300, Ni:-250～+ 300, Cr:-180～+ 220, Sn:-180～+ 220, Zn:-250～+ 300.
3. copper-iron-based powder sintered diamond composite material preparation method; it is characterized in that preparing burden by claim 1 and the described composition of claim 2 and powder size; the ratio of grinding media to material of mixed powder and ball mill is 5: 1; carried out ball mill mixing 20 minutes; by product weight requirement weighing; the compression moulding in the pressing mold of packing into; 3～3.5MPa sintering that pressurizes in the pressure sintering stove under the hydrogen shield condition is become a useful person; sintering range is 870～950 ℃; soaking time is 1.5～2.0 hours, and the copper-iron-based powder sintered diamond composite material product of thermal sintering can be used as the processing of stone cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200910021464XA CN101781733B (en) | 2009-02-26 | 2009-02-26 | Copper-iron-based powder sintered diamond composite material and preparation method thereof |
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| CN200910021464XA CN101781733B (en) | 2009-02-26 | 2009-02-26 | Copper-iron-based powder sintered diamond composite material and preparation method thereof |
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| CN101781733A true CN101781733A (en) | 2010-07-21 |
| CN101781733B CN101781733B (en) | 2012-02-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513539A (en) * | 2011-12-30 | 2012-06-27 | 长沙市德天冶金科技有限公司 | Manufacture method for tire casing of diamond wire saw sintered type bead |
| CN104029299A (en) * | 2014-06-05 | 2014-09-10 | 苏州赛尔科技有限公司 | Special ultra thin metal-based diamond cutting sheet for WLCSP packaging chip and preparing method |
| CN104162674A (en) * | 2014-07-22 | 2014-11-26 | 铜陵长江金刚石工具有限责任公司 | Method for manufacturing copper-iron-based diamond cutter teeth |
| CN104607630A (en) * | 2014-11-17 | 2015-05-13 | 兰州理工大学 | Powder sintering phosphorescence particle indication composite coating |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103029046B (en) * | 2012-12-29 | 2015-05-20 | 泉州金山石材工具科技有限公司 | Novel diamond disk |
-
2009
- 2009-02-26 CN CN200910021464XA patent/CN101781733B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513539A (en) * | 2011-12-30 | 2012-06-27 | 长沙市德天冶金科技有限公司 | Manufacture method for tire casing of diamond wire saw sintered type bead |
| CN102513539B (en) * | 2011-12-30 | 2013-11-06 | 长沙市德天冶金科技有限公司 | Manufacture method for tire casing of diamond wire saw sintered type bead |
| CN104029299A (en) * | 2014-06-05 | 2014-09-10 | 苏州赛尔科技有限公司 | Special ultra thin metal-based diamond cutting sheet for WLCSP packaging chip and preparing method |
| CN104162674A (en) * | 2014-07-22 | 2014-11-26 | 铜陵长江金刚石工具有限责任公司 | Method for manufacturing copper-iron-based diamond cutter teeth |
| CN104607630A (en) * | 2014-11-17 | 2015-05-13 | 兰州理工大学 | Powder sintering phosphorescence particle indication composite coating |
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| CN101781733B (en) | 2012-02-22 |
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Granted publication date: 20120222 Termination date: 20190226 |