CN103521764B - A kind of preparation method of High-strength abrasion-resistant powder metallurgy composite - Google Patents
A kind of preparation method of High-strength abrasion-resistant powder metallurgy composite Download PDFInfo
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- CN103521764B CN103521764B CN201310533177.3A CN201310533177A CN103521764B CN 103521764 B CN103521764 B CN 103521764B CN 201310533177 A CN201310533177 A CN 201310533177A CN 103521764 B CN103521764 B CN 103521764B
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Abstract
The invention discloses a kind of High-strength abrasion-resistant powder metallurgy composite and preparation method thereof, by the mechanical ball milling batch mixer Homogeneous phase mixing of base alloy carcass powder, form mixed uniformly alloy powder, obtain base alloy carcass powder; Obtained base alloy carcass powder and CNT are carried out batching mix and blend according to the ratio of volume ratio 200:1 ~ 20:1, makes mixed powder pasty state in a flowable in a reservoir, stir the even carcass powder being formed and comprise CNT with mixer; By obtained carcass powder and diamond particles by volume 19:1 ~ 3:2 carry out mix and stir the diamond impregnated dusty material obtaining mixing; Gained dusty material is loaded in graphite jig, adopt hot pressing sintering method or pressureless impregnation sintering process to obtain carbon nano-tube fibre strengthening diamond composite; Carbon nano-tube fibre strengthening diamond composite prepared by the present invention, its combination property is good, and tyre body hardness and bulk strength significantly improve, and carcass strengthens the adamantine ability of plating, and anti-wear performance increases.
Description
Technical field
The present invention relates to a kind of composite powder metallurgy material, be specifically related to a kind ofly to utilize that CNT is strengthening material, High-strength abrasion-resistant powder metallurgy composite that carcass based on powder metallurgy composite material, diamond are wear-resisting phase, belong to superhard material category.
Background technology
At present, for the powder metallurgy impregnated with diamond cutting element that fractured rock uses, the efficiency of rock cutting, life-span and bulk strength are the three norms evaluating its performance quality, substantially select both at home and abroad 50-300 order various metals powder and monocrystalline or polycrystalline diamond Homogeneous phase mixing according to a certain percentage, adopt hot pressing or pressureless impregnation method and the preparation method with cutting or grinding function that formed realizes, these three parameters are difficult to improve usually simultaneously.Disclosed powder metallurgy prescription kind is a lot, has WC base, copper base and iron-based etc.By the method for heating (or heating pressurization), utilize the special material that powder metallurgical technique is prepared to the diamond of certain volume in metal dust carcass, wherein diamond is as Hard Inclusion and wear-resisting phase, is embedded in alloy carcass.China Geological Univ. Wuhan Wang Wei hero waits research to show in iron-based matrix, add 0.1-0.8wt% rare-earth elements La, can improve the level pressure thermal capacitance of iron rich matrix when high temperature; The research such as Xiao Junling shows that phosphorus P adds in diamond iron-based matrix, has effectively organized iron to adamantine thermal etching effect, has good ability of inlaying and the good self-sharpening of instrument containing P carcass to diamond simultaneously.Performance due to diamond composite depends primarily on the performance of diamond itself and is used for plating the performance of adamantine metal dust carcass material, therefore the focus studied mainly concentrates on and improves adamantine self performance, diamond carries out surface modification and optimize carcass material formula Design to improve carcass material to the adamantine ability of plating, and selects the carcass material with high-flexural strength and high-wearing feature with the environment making diamond tool be applicable to harsher work.
Summary of the invention
The object of this invention is to provide a kind of High-strength abrasion-resistant powder metallurgy composite.
Another object of the present invention is to provide a kind of preparation method of High-strength abrasion-resistant powder metallurgy composite.
The present invention utilizes fibre strengthening mechanism, adopt powder metallurgical technique, a certain amount of carbon nano-tube material is added in powder, there is with preparation the diamond composite of good combination property, with the object that the intensity and wearability that realize carcass material improve simultaneously, thus improve operating efficiency and the service life of diamond tool.
The High-strength abrasion-resistant powder metallurgy composite of the present invention is made up of carcass powder and diamond particles, described carcass powder is made up of base alloy carcass powder and CNT, and the volume ratio of described base alloy carcass powder and CNT is 200:1 ~ 20:1; The volume ratio of carcass powder and diamond particles is 19:1 ~ 3:2; Described basic carcass powder is WC base, iron-based or copper base.
The preparation method of the High-strength abrasion-resistant powder metallurgy composite of the present invention comprises the following steps:
(1), by WC base or iron-based or each components in certain proportion of copper base basis carcass powder mix, obtain base alloy carcass powder;
(2), described for step (1) obtained base alloy carcass powder and CNT are prepared burden according to the ratio of volume ratio 200:1 ~ 20:1, first CNT is put into high absolute alcohol or acetone soln ultrasonic wave vibration fully stir, then base alloy carcass powder mix and blend is put into, make mixed powder pasty state in a flowable (with not stratified for standard time static) in a reservoir, stir 10-50min with mixer, form the even carcass powder comprising CNT;
(3), by carcass powder obtained described in step (2) and diamond particles by volume 19:1 ~ 3:2 carry out mix, then stir 10-30min with mixer, obtain the final diamond impregnated dusty material mixed needed;
(4), method for cooking is hot pressing or pressureless impregnation sintering process: loaded by gained dusty material in step (3) in graphite jig, hot pressed sintering, sintering temperature is 980 DEG C, and insulation 5-30min, pressure is 100-150kgf/cm
2; Pressureless impregnation sintering temperature is 1020-1180 DEG C, insulation 20-60min.
The carbon nano-tube fibre strengthening diamond composite utilizing the present invention to prepare, its combination property is good, and tyre body hardness and bulk strength significantly improve, and carcass strengthens the adamantine ability of plating, and anti-wear performance increases.
Embodiment 1:
Hot pressing WC base matrix formula: first by WC powder (50%), 663 bronze powders (22%), YG6(18%), Ni powder (5%), Mn powder (3%), Co powder (2%), puts into mixing container, carries out mechanical ball milling 24 hours with three-dimensional material mixer; Weigh 0.05% CNT (in ethanol vibration of ultrasonic wave 10min dries 30min under the condition of 100 DEG C in vacuum drying box) in high-temperature crucible, be mixed into uniform metal powder material, stir 30min, obtained mixed powder; And then add diamond 20%, stir 30min, obtained final composite material powder.Add in mould by above gained powder, hot pressed sintering, sintering temperature is 980 DEG C, and insulation 5min, pressure is 100kgf/cm
2, obtain want impregnated with diamond cutting teeth.
Embodiment 2:
Pressureless impregnation WC base matrix formula: 60-400 order of weighing casting WC powder 88g, atomization nickel powder 12g, carbon nano-tube material 0.05g.Its method for mixing is identical with embodiment 1.Above gained powder is added in mould, puts into 100g copper alloy impregnating metal above, pressureless impregnation method sinter, sintering temperature is 1170, DEG C insulation 30min, obtain want impregnated with diamond cutting teeth.
Claims (1)
1. a preparation method for High-strength abrasion-resistant powder metallurgy composite, the method comprises the following steps:
High-strength abrasion-resistant powder metallurgy composite is made up of carcass powder and diamond particles, and described carcass powder is made up of base alloy carcass powder and CNT, and the volume ratio of described base alloy carcass powder and CNT is 200:1 ~ 20:1; The volume ratio of carcass powder and diamond particles is 19:1 ~ 3:2;
(1), by WC base or iron-based or the mechanical ball milling batch mixer Homogeneous phase mixing more than 24 hours of copper base base alloy carcass powder, form mixed uniformly metal dust, obtain base alloy carcass powder;
(2) described for step (1) obtained base alloy carcass powder and CNT are prepared burden according to the ratio of volume ratio 200:1 ~ 20:1, first CNT is put into high absolute alcohol or acetone soln ultrasonic wave vibration fully stir, then base alloy carcass powder mix and blend is put into, make mixed powder pasty state in a flowable in a reservoir, stir 10-50min with mixer, form the even carcass powder comprising CNT;
(3), by carcass powder obtained described in step (2) and diamond particles by volume 19:1 ~ 3:2 carry out mix, then stir 10-30min with mixer, obtain the diamond impregnated dusty material mixed;
(4), method for cooking is hot pressing or pressureless impregnation sintering process: loaded by gained dusty material in step (3) in graphite jig, hot pressed sintering, sintering temperature is 980 DEG C, and insulation 5-30min, pressure is 100-150kgf/cm
2; Pressureless impregnation sintering temperature is 1020-1180 DEG C, insulation 20-60min.
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| CN105108136A (en) * | 2015-09-23 | 2015-12-02 | 徐�明 | High-temperature alloy fiber powder metallurgy material and preparing method thereof |
| CN106676303A (en) * | 2016-11-22 | 2017-05-17 | 胡立聪 | Environmental protection engineering abrasion-resistant and anticorrosion material and preparation method |
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| CN109913682B (en) * | 2019-04-04 | 2020-12-15 | 吉林大学 | Nano niobium carbide/carbon nano tube reinforced diamond composite material and preparation method thereof |
| CN112410599B (en) * | 2020-10-20 | 2022-07-29 | 湖北银天钻石科技有限公司 | Preparation method of high-entropy alloy matrix diamond tool bit |
| CN114012105A (en) * | 2021-04-23 | 2022-02-08 | 安泰科技股份有限公司 | Diamond-metal matrix composite material, segment and preparation method thereof |
| CN116160005A (en) * | 2023-02-20 | 2023-05-26 | 中国矿业大学 | Preparation process of diamond and carbon nano tube composite cutting pick |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101191169A (en) * | 2006-11-27 | 2008-06-04 | 彭新明 | Carbon nano tube-diamond-hard alloy composite material and its preparation method and application |
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| CN101280683B (en) * | 2008-05-27 | 2011-03-23 | 中南大学 | Coal excavating mining pick inlaid with diamond and manufacturing process thereof |
| CN102828696B (en) * | 2012-09-11 | 2014-07-23 | 吉林大学 | Iron-based diamond-impregnated bit for drilling in hard slipping foundation |
| CN102889057A (en) * | 2012-10-09 | 2013-01-23 | 吉林大学 | High-efficiency wear-resistant cutting tool |
| CN102978434A (en) * | 2012-12-13 | 2013-03-20 | 北京科技大学 | Short fiber-particle synergetically-reinforced copper-based composite material and preparation method thereof |
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