CN105419225A - Polyether-ether-ketone composite material for ultrasonic motor and preparing method thereof - Google Patents

Polyether-ether-ketone composite material for ultrasonic motor and preparing method thereof Download PDF

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Publication number
CN105419225A
CN105419225A CN201510824579.8A CN201510824579A CN105419225A CN 105419225 A CN105419225 A CN 105419225A CN 201510824579 A CN201510824579 A CN 201510824579A CN 105419225 A CN105419225 A CN 105419225A
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China
Prior art keywords
ether
polyether
composite material
ketone
electric machine
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CN201510824579.8A
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Chinese (zh)
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赵盖
宋敬伏
丁庆军
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Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
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Abstract

The invention provides a polyether-ether-ketone composite material for an ultrasonic motor. The composite material is mainly prepared from, by mass, 60-70% of polyether-ether-ketone, 10-19% of carbon fiber, 5-15% of polytetrafluoroethylene, 5-15% of graphite, and 0-1% of silicon dioxide. The composite material has the advantages of being high in mechanical strength, stable in friction coefficient and high in abrasion resistance.

Description

A kind of Peek Composite Material and Preparation Method for ultrasound electric machine
Technical field:
The present invention relates to a kind of Peek Composite Material and Preparation Method for ultrasound electric machine, it belongs to polymer composites field.
Background technology:
Along with the development of Ultrasonic Motor Techniques, more and more higher to the requirement of friction rotor material property, traditional PTFE-based composites is difficult to the requirement meeting ultrasound electric machine long service life and stability, therefore, develop polyether-ether-ketone composite material, as ultrasound electric machine rotor material, there is important application prospect.
Polyether-ether-ketone is a kind of good insulation preformance, high temperature resistant, corrosion-resistant, wear-resistant and measuring body a kind of macromolecular material, but pure polyether-ether-ketone performance is single, is difficult to meet the service requirements under complex environment and severe condition.In view of polyether-ether-ketone designability can be strong, can pass through fiber reinforcement, solid lubricant modification and nano particle are filled and are given its special performance.
Ultrasound electric machine develops rapidly the eighties in 20th century and has the novel micromotor of one of special applications, and because ultrasound electric machine is by frictional interface transmitting power, thus the performance of rubbing characteristics to the overall performance of ultrasound electric machine at interface is most important.Current ultrasound electric machine friction-driven pattern is the metal to-metal contact between stator and rotor, and the wearing and tearing of material are inevitable, because wearing and tearing cause ultrasound electric machine shortening in work-ing life and precompression to change, thus causes ultrasound electric machine output speed unstable.Therefore, seeking long lifetime highly reliable high-abrasive material is the difficult problem that ultrasound electric machine needs solution badly.
Mainly there is two large problems in the friction materials that current rotary-type ultrasound electric machine uses: one is that frictional behaviour is unstable, and two is that work-ing life is short.On 08 07th, 2003, Chinese invention patent application 03132555.6 discloses a kind of friction materials of polytetrafluoroethylene (PTFE) base ultrasonic motor, comprise Nano diamond and tetrafluoroethylene, the self lubricity of this material can reduce noise, static and dynamic friction coefficient is close, thermochemical property is stablized, easily the advantage such as processing just meet the requirement of ultrasonic motor to friction materials.On February 23rd, 2005, Chinese invention patent CN1583841A discloses a kind of friction materials of polybenzoate polyblend ultrasonic motor, adopt tetrafluoroethylene and polybenzoate, stalling torque is large, rotating speed is high, noise is low, it is little to wear and tear, hardness is high, cementability is good advantage that it has.On May 29th, 2006, Chinese invention patent application 200610040708 supersonic motor thermosetting resin base friction materials and friction layer manufacture method and auxiliary means, be made up of thermosetting resin, solidifying agent, nano wearproof powder, carbon fiber, cupric oxide, tetrafluoroethylene, copper powder, paracril, mineral substance, there is superior wear resistance, suitable hardness, excellent output characteristic.But, above-mentioned polymer composites bad mechanical property and under DRY SLIDING wear rate high, cannot ensure that ultrasound electric machine runs steadily in the long term, shorten the ultrasound electric machine work-ing life of knowing clearly widely.
Summary of the invention:
The object of the invention is to overcome ultrasound electric machine prior art above shortcomings, provide a kind of and there is stable friction performance and the good Peek Composite Material and Preparation Method of wear resistance.
The present invention adopts following technical scheme: a kind of polyether-ether-ketone composite material for ultrasound electric machine, be made up of by mass percent following composition: polyether-ether-ketone 60 ~ 70%, carbon fiber 10 ~ 19%, tetrafluoroethylene 5 ~ 15%, graphite 5 ~ 15%, silicon-dioxide 0 ~ 1%.
Further, the median size of described polyether-ether-ketone is 25 μm.
Further, described carbon fiber is chopped carbon fiber, and diameter is 7 μm, and length is 20-50 μm.
Further, tetrafluoroethylene particle diameter used is 20 ~ 35 μm.
Further, the particle diameter of described graphite is 50-70 μm.
Further, described silicon-dioxide is nano particle, and its median size is 20nm.
The present invention also adopts following technical scheme: a kind of preparation method of the polyether-ether-ketone composite material for ultrasound electric machine, it comprises the steps:
(1) first adopt wet-mixed even polyether-ether-ketone and tetrafluoroethylene in ratio according to claim 1, then add carbon fiber, graphite and silicon-dioxide, fully mix, carry out process of drying, pulverize and sieve;
(2) mould material mixed for step 1 is poured in mould carry out Thermocompressed sintering and forming, molding temperature 345 DEG C, pressure 3MPa;
(3) polyether-ether-ketone composite material step 2 made carries out processing, paste and surface treatment for ultrasound electric machine.
The present invention has following beneficial effect:
(1), the stable friction factor of polyether-ether-ketone composite material of the present invention, wear rate be low, and can meet the requirement of rotary-type ultrasound electric machine friction rotor material, specified speed is greater than 80r/min, greatly can extend the work-ing life of ultrasound electric machine
(2), with chopped carbon fiber reinforced polyether ether ketone resin matrix, adopt graphite and silicon-dioxide modified synergic to improve mechanical property and the wear resistance of material self, can meet ultrasound electric machine run-in period or repeatedly start and stop time service requirements; This material has good resistance to compression creep resistance, can avoid ultrasound electric machine because of stored occur for a long time tooth fall into and cause cannot starting problem.
Accompanying drawing illustrates:
Fig. 1 is the frictional coefficient change curve of polyether-ether-ketone composite material in each case study on implementation of the present invention.
Fig. 2 is the wear rate change in each case study on implementation of the present invention.
Embodiment:
The polyether-ether-ketone composite material that the present invention is used for ultrasound electric machine is made up of by mass percent following composition: polyether-ether-ketone 60 ~ 70%, carbon fiber 10 ~ 19%, tetrafluoroethylene 5 ~ 15%, graphite 5 ~ 15%, silicon-dioxide 0 ~ 1%.
Preferably, polyether-ether-ketone used is 25 μm of ultrafine powders, stable performance, is very applicable to inorganic particle filled and mold pressing.
Preferably, described carbon fiber is chopped carbon fiber, diameter 7 μm, length 20-50 μm.Select carbon fiber do strongthener be because its good mechanical properties and tribological property superior; The Fibre diameter of carbon fiber 7 μm, length 20 ~ 50 μm, the carbon fiber of this size can improve the consistency of itself and resin matrix, improves dispersing uniformity.
Preferably, tetrafluoroethylene particle diameter used is 20 ~ 35 μm, and selecting tetrafluoroethylene to make solid lubricant is because its good self-lubricating property and lower surface energy.
Preferably, the particle diameter of described graphite is 50-70 μm, and selecting graphite to make solid lubricant is because its low price and lubricity are given prominence to.
Preferably, described silicon-dioxide is nano particle, and its particle diameter is 20nm.Select silicon-dioxide to be have benefited from its good wear resistance and higher hardness as properties-correcting agent, nano SiO 2 particle particle diameter is 20nm, and it has more excellent enhancing Hardening effect.
The present invention also provides a kind of preparation method of the polyether-ether-ketone composite material for ultrasound electric machine, comprises the steps:
(1) first adopt wet-mixed even polyether-ether-ketone and tetrafluoroethylene in proportion, then add carbon fiber, graphite and silicon-dioxide, fully mix, carry out process of drying, pulverize and sieve;
(2) mould material mixed for step 1 is poured in mould carry out Thermocompressed sintering and forming, molding temperature 345 DEG C, pressure 3MPa;
(3) polyether-ether-ketone composite material step 2 made carries out processing, paste and surface treatment for ultrasound electric machine.
Below by several embodiment, the Peek Composite Material and Preparation Method of the present invention for ultrasound electric machine is described.
Polyether-ether-ketone composite material of the present invention is mainly used in rotary-type ultrasound electric machine, and the polyether-ether-ketone median size selected in following examples is 25 μm; The median size of tetrafluoroethylene is 30 μm; The particle diameter of graphite is 50-70 μm, and median size is 60 μm; The diameter of carbon fiber is 7 μm, and length range is 20 ~ 50mm (chopped carbon fiber); The median size of silica dioxide granule is 20nm.
Embodiment 1
The weight percent of each component of ultrasound electric machine polyether-ether-ketone composite material is as follows: polyether-ether-ketone 60%, chopped carbon fiber 19%, tetrafluoroethylene 5%, graphite 15%, silica 1 %.
Concrete preparation process:
(1), first by polyether-ether-ketone and tetrafluoroethylene, ball milling in alcohol mixes, and then adds chopped carbon fiber, graphite, silicon-dioxide, fully mixes, then carry out process of drying, pulverize and sieve;
(2), by mixed mould material pour in mould and carry out Thermocompressed sintering and forming, molding temperature 345 DEG C, pressure 3MPa;
(3), by the polyether-ether-ketone composite material made carry out slice processing, paste with aluminium-alloy rotor and after surface treatment for ultrasound electric machine.
The present embodiment prepares gained polyether-ether-ketone composite material, and under 100N, 200r/min condition, join secondary frictional coefficient with phosphor bronze stator be 0.28, and wear rate is 3.2 × 10 -8mm 3/ Nm.
Embodiment 2
The weight percent of each component of ultrasound electric machine polyether-ether-ketone composite material is as follows: polyether-ether-ketone 65%, chopped carbon fiber 14.2%, tetrafluoroethylene 10%, graphite 10%, silicon-dioxide 0.8%.
Concrete preparation process:
(1), first by polyether-ether-ketone and tetrafluoroethylene, ball milling in alcohol mixes, and then adds chopped carbon fiber, graphite, silicon-dioxide, fully mixes, then carry out process of drying, pulverize and sieve;
(2), by mixed mould material pour in mould and carry out Thermocompressed sintering and forming, molding temperature 345 DEG C, pressure 3MPa;
(3), by the polyether-ether-ketone composite material made carry out slice processing, paste with aluminium-alloy rotor and after surface treatment for ultrasound electric machine.
The present embodiment prepares gained polyether-ether-ketone composite material, and under 100N, 200r/min condition, join secondary frictional coefficient with phosphor bronze stator be 0.29, and wear rate is 3.5 × 10 -8mm 3/ Nm.
Embodiment 3
The weight percent of each component of ultrasound electric machine polyether-ether-ketone composite material is as follows: polyether-ether-ketone 65%, chopped carbon fiber 14.4%, tetrafluoroethylene 10%, graphite 10%, silicon-dioxide 0.6%.
Concrete preparation process:
(1), first by polyether-ether-ketone and tetrafluoroethylene, ball milling in alcohol mixes, and then adds chopped carbon fiber, graphite, silicon-dioxide, fully mixes, then carry out process of drying, pulverize and sieve;
(2), by mixed mould material pour in mould and carry out Thermocompressed sintering and forming, molding temperature 345 DEG C, pressure 3MPa;
(3), by the polyether-ether-ketone composite material made carry out slice processing, paste with aluminium-alloy rotor and after surface treatment for ultrasound electric machine.
The present embodiment prepares gained polyether-ether-ketone composite material, and under 100N, 200r/min condition, join secondary frictional coefficient with phosphor bronze stator be 0.31, and wear rate is 4.1 × 10 -8mm 3/ Nm.
Embodiment 4
The weight percent of each component of ultrasound electric machine polyether-ether-ketone composite material is as follows: polyether-ether-ketone 70%, chopped carbon fiber 10%, tetrafluoroethylene 14.6%, graphite 5%, silicon-dioxide 0.4%.
Concrete preparation process:
(1), first by polyether-ether-ketone and tetrafluoroethylene, ball milling in alcohol mixes, and then adds chopped carbon fiber, graphite, silicon-dioxide, fully mixes, then carry out process of drying, pulverize and sieve;
(2), by mixed mould material pour in mould and carry out Thermocompressed sintering and forming, molding temperature 345 DEG C, pressure 3MPa;
(3), by the polyether-ether-ketone composite material made carry out slice processing, paste with aluminium-alloy rotor and after surface treatment for ultrasound electric machine.
The present embodiment prepares gained polyether-ether-ketone composite material, and under 100N, 200r/min condition, join secondary frictional coefficient with phosphor bronze stator be 0.32, and wear rate is 4.8 × 10 -8mm 3/ Nm.
Embodiment 5
The weight percent of each component of ultrasound electric machine polyether-ether-ketone composite material is as follows: polyether-ether-ketone 70%, chopped carbon fiber 10%, tetrafluoroethylene 14.8%, graphite 5%, silicon-dioxide 0.2%.
Concrete preparation process:
(1), first by polyether-ether-ketone and tetrafluoroethylene, ball milling in alcohol mixes, and then adds chopped carbon fiber, graphite, silicon-dioxide, fully mixes, then carry out process of drying, pulverize and sieve;
(2), by mixed mould material pour in mould and carry out Thermocompressed sintering and forming, molding temperature 345 DEG C, pressure 3MPa;
(3), by the polyether-ether-ketone composite material made carry out slice processing, paste with aluminium-alloy rotor and after surface treatment for ultrasound electric machine.
The present embodiment prepares gained polyether-ether-ketone composite material, and under 100N, 200r/min condition, join secondary frictional coefficient with phosphor bronze stator be 0.33, and wear rate is 5.3 × 10 -8mm 3/ Nm.
Figure 1 shows that embodiment prepares the frictional coefficient variation diagram of gained polyether-ether-ketone composite material.The frictional coefficient of corresponding embodiment 1 to the 5 gained polyether-ether-ketone composite material of curve sequence number 1 to 5 difference in figure.Figure 2 shows that embodiment prepares the wear rate variation diagram of gained polyether-ether-ketone composite material.The wear rate of corresponding embodiment 1 to the 5 gained polyether-ether-ketone composite material of sequence number 1 to 5 difference in figure.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, can also make some improvement under the premise without departing from the principles of the invention, and these improvement also should be considered as protection scope of the present invention.

Claims (7)

1. for a polyether-ether-ketone composite material for ultrasound electric machine, it is characterized in that: be made up of by mass percent following composition: polyether-ether-ketone 60 ~ 70%, carbon fiber 10 ~ 19%, tetrafluoroethylene 5 ~ 15%, graphite 5 ~ 15%, silicon-dioxide 0 ~ 1%.
2., as claimed in claim 1 for the polyether-ether-ketone composite material of ultrasound electric machine, it is characterized in that: the median size of described polyether-ether-ketone is 25 μm.
3., as claimed in claim 1 for the polyether-ether-ketone composite material of ultrasound electric machine, it is characterized in that: described carbon fiber is chopped carbon fiber, diameter is 7 μm, and length is 20-50 μm.
4., as claimed in claim 1 for the polyether-ether-ketone composite material of ultrasound electric machine, it is characterized in that: tetrafluoroethylene particle diameter used is 20 ~ 35 μm.
5., as claimed in claim 1 for the polyether-ether-ketone composite material of ultrasound electric machine, it is characterized in that: the particle diameter of described graphite is 50-70 μm.
6., as claimed in claim 1 for the polyether-ether-ketone composite material of ultrasound electric machine, it is characterized in that: described silicon-dioxide is nano particle, its median size is 20nm.
7. for a preparation method for the polyether-ether-ketone composite material of ultrasound electric machine, it is characterized in that: comprise the steps
(1) first adopt wet-mixed even polyether-ether-ketone and tetrafluoroethylene in ratio according to claim 1, then add carbon fiber, graphite and silicon-dioxide, fully mix, carry out process of drying, pulverize and sieve;
(2) mould material mixed for step 1 is poured in mould carry out Thermocompressed sintering and forming, molding temperature 345 DEG C, pressure 3MPa;
(3) polyether-ether-ketone composite material step 2 made carries out processing, paste and surface treatment for ultrasound electric machine.
CN201510824579.8A 2015-11-24 2015-11-24 Polyether-ether-ketone composite material for ultrasonic motor and preparing method thereof Pending CN105419225A (en)

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Cited By (18)

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CN105713344A (en) * 2014-12-05 2016-06-29 黑龙江鑫达企业集团有限公司 Nano particle/CF mixed reinforced PEEK composite material and preparation method thereof
CN106751442A (en) * 2016-11-11 2017-05-31 中国科学院兰州化学物理研究所 A kind of multivariant oxide filling polyether-ether-ketone base self-lubricating nano composite material and preparation method thereof
CN107383771A (en) * 2017-08-16 2017-11-24 宜宾天原集团股份有限公司 A kind of polyether-ether-ketone composite material and preparation method thereof
CN107541010A (en) * 2017-08-16 2018-01-05 宜宾天原集团股份有限公司 A kind of polyether-ether-ketone composite material of nano aluminium oxide enhancing and preparation method thereof
CN107556697A (en) * 2017-08-30 2018-01-09 辽源市钢背轴承有限责任公司 A kind of polyether-ether-ketone is material modified, composite bush and preparation method
CN108219359A (en) * 2017-12-05 2018-06-29 宜宾天原集团股份有限公司 A kind of preparation method of polyether-ether-ketone composite ultrasonic motor alloy friction material
CN108285611A (en) * 2017-12-28 2018-07-17 浙江歌瑞新材料有限公司 A kind of oilless (oil free) compressor rotor material
CN108752863A (en) * 2018-05-07 2018-11-06 陈丽川 A kind of composite modified polyetheretherketonematerials materials and its preparation method and application
CN108964513A (en) * 2018-07-09 2018-12-07 南京航空航天大学 A method of improving ultrasound electric machine rotor CONTACT WITH FRICTION performance
CN109021494A (en) * 2018-06-29 2018-12-18 南京航空航天大学 A kind of graphene modified polyether ether ketone composite material and preparation method
CN109135174A (en) * 2017-06-16 2019-01-04 合肥杰事杰新材料股份有限公司 A kind of rigidity-toughness balanced polyether-ether-ketone composite material and preparation method thereof
CN109401186A (en) * 2018-12-18 2019-03-01 南京肯特复合材料股份有限公司 Wear-resisting PEEK composite material and preparation method
CN109467877A (en) * 2018-10-25 2019-03-15 宜宾天原集团股份有限公司 A kind of preparation method of polyether-ether-ketone oilless bearing retainer
CN111019344A (en) * 2019-11-28 2020-04-17 南京航空航天大学 Ultrasonic motor rotor friction material and preparation method thereof
CN111500014A (en) * 2020-06-12 2020-08-07 南京清研高分子新材料有限公司 Polyether-ether-ketone composite material and preparation method thereof
US11118053B2 (en) 2018-03-09 2021-09-14 Ticona Llc Polyaryletherketone/polyarylene sulfide composition
CN113416305A (en) * 2020-08-10 2021-09-21 吉林大学 Long fiber reinforced polyaryletherketone composite material and preparation method thereof
US11352480B2 (en) 2016-03-18 2022-06-07 Ticona Llc Polyaryletherketone composition

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Cited By (21)

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CN105713344A (en) * 2014-12-05 2016-06-29 黑龙江鑫达企业集团有限公司 Nano particle/CF mixed reinforced PEEK composite material and preparation method thereof
US11352480B2 (en) 2016-03-18 2022-06-07 Ticona Llc Polyaryletherketone composition
CN106751442A (en) * 2016-11-11 2017-05-31 中国科学院兰州化学物理研究所 A kind of multivariant oxide filling polyether-ether-ketone base self-lubricating nano composite material and preparation method thereof
CN106751442B (en) * 2016-11-11 2018-09-25 中国科学院兰州化学物理研究所 A kind of multivariant oxide filling polyether-ether-ketone base self-lubricating nanocomposite and preparation method thereof
CN109135174A (en) * 2017-06-16 2019-01-04 合肥杰事杰新材料股份有限公司 A kind of rigidity-toughness balanced polyether-ether-ketone composite material and preparation method thereof
CN107383771A (en) * 2017-08-16 2017-11-24 宜宾天原集团股份有限公司 A kind of polyether-ether-ketone composite material and preparation method thereof
CN107541010A (en) * 2017-08-16 2018-01-05 宜宾天原集团股份有限公司 A kind of polyether-ether-ketone composite material of nano aluminium oxide enhancing and preparation method thereof
CN107556697A (en) * 2017-08-30 2018-01-09 辽源市钢背轴承有限责任公司 A kind of polyether-ether-ketone is material modified, composite bush and preparation method
CN108219359A (en) * 2017-12-05 2018-06-29 宜宾天原集团股份有限公司 A kind of preparation method of polyether-ether-ketone composite ultrasonic motor alloy friction material
CN108285611A (en) * 2017-12-28 2018-07-17 浙江歌瑞新材料有限公司 A kind of oilless (oil free) compressor rotor material
US11118053B2 (en) 2018-03-09 2021-09-14 Ticona Llc Polyaryletherketone/polyarylene sulfide composition
CN108752863A (en) * 2018-05-07 2018-11-06 陈丽川 A kind of composite modified polyetheretherketonematerials materials and its preparation method and application
CN109021494A (en) * 2018-06-29 2018-12-18 南京航空航天大学 A kind of graphene modified polyether ether ketone composite material and preparation method
CN108964513A (en) * 2018-07-09 2018-12-07 南京航空航天大学 A method of improving ultrasound electric machine rotor CONTACT WITH FRICTION performance
CN109467877A (en) * 2018-10-25 2019-03-15 宜宾天原集团股份有限公司 A kind of preparation method of polyether-ether-ketone oilless bearing retainer
CN109401186A (en) * 2018-12-18 2019-03-01 南京肯特复合材料股份有限公司 Wear-resisting PEEK composite material and preparation method
CN111019344A (en) * 2019-11-28 2020-04-17 南京航空航天大学 Ultrasonic motor rotor friction material and preparation method thereof
CN111500014A (en) * 2020-06-12 2020-08-07 南京清研高分子新材料有限公司 Polyether-ether-ketone composite material and preparation method thereof
CN111500014B (en) * 2020-06-12 2023-04-11 南京清研高分子新材料有限公司 Polyether-ether-ketone composite material and preparation method thereof
CN113416305A (en) * 2020-08-10 2021-09-21 吉林大学 Long fiber reinforced polyaryletherketone composite material and preparation method thereof
CN113416305B (en) * 2020-08-10 2022-06-14 吉林大学 Long fiber reinforced polyaryletherketone composite material and preparation method thereof

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Application publication date: 20160323