CN102633463A - Profiled-fiber-reinforced resin-mineral composite material and preparation method thereof - Google Patents
Profiled-fiber-reinforced resin-mineral composite material and preparation method thereof Download PDFInfo
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- CN102633463A CN102633463A CN2012101281569A CN201210128156A CN102633463A CN 102633463 A CN102633463 A CN 102633463A CN 2012101281569 A CN2012101281569 A CN 2012101281569A CN 201210128156 A CN201210128156 A CN 201210128156A CN 102633463 A CN102633463 A CN 102633463A
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Abstract
The invention relates to a profiled-fiber-reinforced resin-mineral composite material and a preparation method of the profiled-fiber-reinforced resin-mineral composite material. The profiled-fiber-reinforced resin-mineral composite material is prepared by carrying out mixing and normal-temperature curing on the following raw materials in parts by weight: 0.1-1 part of profiled fibers, 77-90 parts of granite aggregates, 5-12 parts of liquid-state synthetic resin, 0.4-1 part of a diluent, 0.5-1 part of a toughening agent and 1-3 parts of a curing agent, wherein the profiled fibers are formed by machining a molybdenum wire used for fast-wire-feeding wire-cut electrical discharge machining (WEDM) or a copper alloy wire used for slow-wire-feeding WEDM and take the shape of C, L, M, N, O, S, U, V, W or Z. According to the invention, with the adoption of the profiled fibers, the resin-mineral composite material can be reinforced, the mechanical engaging force and the bridging force can be improved effectively, the generation and expansion of cracks inside the composite material can be reduced, randomly distributed sunk marks produced due to electrospark pulse discharging can enhance the bonding strength between the fibers and the resin, and thus the fiber reinforcement effect is enhanced.
Description
Technical field:
The invention belongs to field of compound material, relate in particular to a kind of profile fibre and strengthen resin mineral composite and preparation method thereof.
Background technology:
Continuous development along with high-speed, high-accuracy and high-level efficiency processing technology; Process period and non-cutting time constantly shorten; Metal resection rate and cutting data constantly increase, and require the lathe machine system to have performances such as better dynamic and static performance and thermostability, high damping.Key foundation part as precision machine tool; The vibration problem that bed piece, column, anchor clamps etc. produce in the course of processing directly influences the complete machine performance and the working accuracy of lathe, and the main path that solves vibration problem is to optimize machine tool structure and the type material that adopts excellent property.Present most of mechanical basic part material is main with cast iron and steel welded construction, is difficult to satisfy requirements such as dynamic and static performance of lathe and thermostability, and simultaneously, cast iron and ferrous materials will consume a large amount of energy in smelting process, increases carbon emission and environmental pollution.Therefore, the type material of exploitation excellent property becomes one of important channel of improving the mechanical means performance.In recent years; Industrially developed country such as Switzerland, Germany is gradually adopting the resin mineral composite to replace the basic parts such as lathe bed, column, anchor clamps of equipment such as traditional cast iron manufacturing high speed, precision finishing machine; Can obviously reduce the vibration of equipment, improve equipment precision.The resin mineral composite be a kind of be aggregate with the natural granite particle; Make the matrix material of tackiness agent with organic resin, have good damping vibration attenuation performance, low thermal coefficient of expansion, highly corrosion resistant performance, and mechanical property preferably; Do not need sintering in its production process; Pollution-free, less energy-consumption, but mechanical properties such as its ultimate compression strength and tensile strength be starkly lower than gray cast iron material drawbacks limit its large-scale popularization use.
Summary of the invention:
The objective of the invention is to overcome the deficiency of above-mentioned prior art, provide a kind of profile fibre to strengthen resin mineral composite and preparation method thereof, can effectively improve the physical and mechanical properties of resin mineral composite.
The present invention realizes in the following manner:
Profile fibre strengthens the resin mineral composite, and it mixes the back ambient cure by the starting material of following weight part ratio and forms: 1～3 part in 0.1～1 part of profile fibre, 77～90 parts of granite aggregates, 5～12 parts of liquid synthetic resins, 0.4～1 part of thinner, 0.5～1 part of toughner and solidifying agent; The copper alloy silk that molybdenum filament that wherein said profile fibre is used by the thread feed electric spark line cutting of hurrying up or the thread feed electric spark line of being careful cutting are used forms through mechanical workout, profile fibre be shaped as C shape, L shaped, M shape, N shape, O shape, S shape, U-shaped, V-arrangement, W shape or Z-shaped shape.
The indenture at random that the electrical spark Pulsed Discharge is arranged on the described profile fibre surface is with protruding.
The profile fibre diameter of being processed by molybdenum filament is 0.05～0.2mm, and the profile fibre diameter of being processed by copper wire is 0.07～0.5mm.
Described granite aggregate particle diameter is 0.1mm～15mm.
Described liquid synthetic resin is epoxy resin or unsaturated polyester resin.
Described solidifying agent is a quadrol; Described thinner is an acetone; Described toughner is Witcizer 300.
Above-mentioned profile fibre strengthens the preparation method of resin mineral composite, comprises that step is following: a) granite aggregate is cleaned and drying, mix according to different grating schemes; B) take by weighing profile fibre; C) take by weighing liquid synthetic resin, thinner, toughner and solidifying agent and add agitation vat and be mixed into uniform resin system, then profile fibre is added the resin system that mixes, and stir it is evenly distributed; D) aggregate that mixes is added agitation vat until each uniform component distribution, be cast in the mould and be fixed to and carry out vibratory compaction on the shaking table; E) maintenance moulding.
Granite aggregate is divided into 3 ranks by particle size range in the above-mentioned steps, and mass percents at different levels are: 0.1mm～2.5mm: 28%～40%, and 2.5mm～7.5mm: 25%～35%, 7.5mm～15mm: 25%～40%.
Described profile fibre can multiple shape mix use.
Described maintenance is under the room temperature condition maintenance 3-15 days.
Profile fibre adopts the molybdenum filament of the thread feed electric spark line cutting use of hurrying up or the copper alloy silk of the thread feed electric spark line of being careful cutting use to form through mechanical workout; Molybdenum filament of being selected for use or copper wire comprise brand-new and use through Wire-cut Electrical Discharge Machining after scrap two kinds; Wherein the indenture and convexity of Pulsed Discharge through stochastic distribution on the wire surface of scrapping after the Wire-cut Electrical Discharge Machining; The fiber pretreatment process that not only can reduce early stage; Can also improve the bonding strength between profile fibre and the resin, improve the fiber reinforcement effect.
The present invention adopts profile fibre to strengthen the resin mineral composite; Compare with the ordinary straight fiber that routine is used; Difform profile fibre can effectively improve mechanical interlocking and bridge joint power, reduces the generation and the expansion of composite inner crackle, improves the fiber reinforcement effect; Profile fibre is a staple fibre, and random orientation is distributed in the matrix material, and its randomness can guarantee that profile fibre provides on all directions comparatively equilibrated stress distribution.Simultaneously; The copper alloy silk that adopts high-speed wire linear the Wire EDM molybdenum filament of scrapping and the thread feed electric spark line cutting of being careful to scrap prepares the second development and utilization that profile fibre not only belongs to industrial waste; And its surface can improve the bonding strength between fiber and the resin because of the stochastic distribution indenture of electrical spark Pulsed Discharge, when improving the Material Physics mechanical property, effectively reduces the matrix material cost.According to the experiment test result; Not having fibre-reinforced resin mineral composite ultimate compression strength is 110～140MPa; Fibers straight enhanced resin mineral composite ultimate compression strength is 125～155Mpa, and after the adding profile fibre strengthened, its ultimate compression strength reached 135～170MPa.Profile fibre strengthens the resin mineral composite and has excellent physical and mechanical properties, improves 15%～25% than no fibre-reinforced resin mineral composite ultimate compression strength, can be used as good mechanical basic part material.
Embodiment
Further specify below in conjunction with embodiment.
Embodiment 1
Aggregate: natural granite particle 5000g, wherein:
0.1mm～2.5mm:1800g accounts for 36wt%
2.5mm～7.5mm:1600g accounts for 32wt%
7.5mm～15mm:1600g accounts for 32wt%,
Adhesive matrix 500g comprises: epoxy resin 370g, curing agent ethylene diamine 93g, thinner acetone 37g.
The diameter that profile fibre adopts the thread feed electric spark line cutting processing of hurrying up to scrap is the old molybdenum filament of 0.15mm, becomes W shape fiber, 55g through mechanical workout.
A) granite aggregate is cleaned and drying, mix according to different grating schemes; B) take by weighing profile fibre; C) take by weighing liquid synthetic resin, thinner, toughner and solidifying agent and add agitation vat and be mixed into uniform resin system, then profile fibre is added the resin system that mixes, and stir it is evenly distributed; D) aggregate that mixes is added agitation vat until each uniform component distribution, be cast in the mould and be fixed to and carry out vibratory compaction on the shaking table; E) maintenance moulding.
The profile fibre that obtains through above prescription strengthens the resin mineral composite: its ultimate compression strength is 16118MPa.
Embodiment 2
Aggregate: natural granite particle 5000g, wherein:
0.1mm～2.5mm:1800g accounts for 36wt%
2.5mm～7.5mm:1600g accounts for 32wt%
7.5mm～15mm:1600g accounts for 32wt%,
Adhesive matrix 500g comprises: epoxy resin 370g, curing agent ethylene diamine 93g, thinner acetone 37g.
The diameter that profile fibre adopts the thread feed electric spark line cutting processing of being careful to scrap is the copper alloy silk of 0.25mm, becomes N shape fiber, 55g through mechanical workout.
A) granite aggregate is cleaned and drying, mix according to different grating schemes; B) take by weighing profile fibre; C) take by weighing liquid synthetic resin, thinner, toughner and solidifying agent and add agitation vat and be mixed into uniform resin system, then profile fibre is added the resin system that mixes, and stir it is evenly distributed; D) aggregate that mixes is added agitation vat until each uniform component distribution, be cast in the mould and be fixed to and carry out vibratory compaction on the shaking table; E) maintenance moulding.
The profile fibre that obtains through above prescription strengthens the resin mineral composite: its ultimate compression strength is 152.93MPa.
Claims (7)
1. profile fibre strengthens the resin mineral composite; It is characterized in that it mixes the back ambient cure by the starting material of following weight part ratio and forms: 1～3 part in 0.1～1 part of profile fibre, 77～90 parts of granite aggregates, 5～12 parts of liquid synthetic resins, 0.4～1 part of thinner, 0.5～1 part of toughner and solidifying agent; The copper alloy silk that molybdenum filament that wherein said profile fibre is used by the thread feed electric spark line cutting of hurrying up or the thread feed electric spark line of being careful cutting are used forms through mechanical workout, profile fibre be shaped as C shape, L shaped, M shape, N shape, O shape, S shape, U-shaped, V-arrangement, W shape or Z-shaped shape.
2. profile fibre according to claim 1 strengthens the resin mineral composite, it is characterized in that, the indenture at random that the electrical spark Pulsed Discharge is arranged on the described profile fibre surface is with protruding.
3. profile fibre according to claim 1 strengthens the resin mineral composite, it is characterized in that the profile fibre diameter of being processed by molybdenum filament is 0.05～0.2mm, and the profile fibre diameter of being processed by copper wire is 0.07～0.5mm.
4. profile fibre according to claim 1 strengthens the resin mineral composite, it is characterized in that described liquid synthetic resin is epoxy resin or unsaturated polyester resin, and described solidifying agent is a quadrol; Described thinner is an acetone; Described toughner is Witcizer 300.
5. each described profile fibre of claim 1-4 strengthens the preparation method of resin mineral composite, it is characterized in that, comprises that step is following: a) granite aggregate is cleaned and drying, mix according to different grating schemes; B) take by weighing profile fibre; C) take by weighing liquid synthetic resin, thinner, toughner and solidifying agent and add agitation vat and be mixed into uniform resin system, then profile fibre is added the resin system that mixes, and stir it is evenly distributed; D) aggregate that mixes is added agitation vat until each uniform component distribution, be cast in the mould and be fixed to and carry out vibratory compaction on the shaking table; E) maintenance moulding.
6. profile fibre according to claim 5 strengthens the preparation method of resin mineral composite; It is characterized in that; Granite aggregate is divided into 3 ranks by particle size range; Mass percents at different levels are: 0.1mm～2.5mm: 28%～40%, and 2.5mm～7.5mm: 25%～35%, 7.5mm～15mm: 25%～40%.
7. profile fibre according to claim 5 strengthens the preparation method of resin mineral composite, it is characterized in that, described maintenance is under the room temperature maintenance 3-15 days.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101281569A CN102633463A (en) | 2012-04-27 | 2012-04-27 | Profiled-fiber-reinforced resin-mineral composite material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101281569A CN102633463A (en) | 2012-04-27 | 2012-04-27 | Profiled-fiber-reinforced resin-mineral composite material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002372A (en) * | 2014-06-09 | 2014-08-27 | 山东大学 | Variable-temperature maintenance method for resin mineral composite material |
| CN105623196A (en) * | 2016-03-22 | 2016-06-01 | 苏州捷德瑞精密机械有限公司 | Composite material of metal cutting machine tool and preparation method for composite material |
| CN109749409A (en) * | 2018-12-28 | 2019-05-14 | 中水电第十一工程局（郑州）有限公司 | A kind of dedicated ageing-resistant, resistant abrasion ceramic composite of waterwork |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759397A (en) * | 2009-12-30 | 2010-06-30 | 山东大学 | Molybdenum fibre reinforced resin concrete material |
| CN102101362A (en) * | 2009-12-21 | 2011-06-22 | 合肥杰事杰新材料有限公司 | Method for preparing enhanced thermoplastic resin composite material of profiled fiber three-dimensional fabric |
-
2012
- 2012-04-27 CN CN2012101281569A patent/CN102633463A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101362A (en) * | 2009-12-21 | 2011-06-22 | 合肥杰事杰新材料有限公司 | Method for preparing enhanced thermoplastic resin composite material of profiled fiber three-dimensional fabric |
| CN101759397A (en) * | 2009-12-30 | 2010-06-30 | 山东大学 | Molybdenum fibre reinforced resin concrete material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002372A (en) * | 2014-06-09 | 2014-08-27 | 山东大学 | Variable-temperature maintenance method for resin mineral composite material |
| CN105623196A (en) * | 2016-03-22 | 2016-06-01 | 苏州捷德瑞精密机械有限公司 | Composite material of metal cutting machine tool and preparation method for composite material |
| CN105623196B (en) * | 2016-03-22 | 2017-12-08 | 曹胜伟 | A kind of Metal Cutting Machine Tool composite material and preparation method thereof |
| CN109749409A (en) * | 2018-12-28 | 2019-05-14 | 中水电第十一工程局（郑州）有限公司 | A kind of dedicated ageing-resistant, resistant abrasion ceramic composite of waterwork |
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Application publication date: 20120815 |