CN106554186A - The accurate measurement platform prepared using superhigh intensity silicate material and its method - Google Patents
The accurate measurement platform prepared using superhigh intensity silicate material and its method Download PDFInfo
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- CN106554186A CN106554186A CN201510642908.7A CN201510642908A CN106554186A CN 106554186 A CN106554186 A CN 106554186A CN 201510642908 A CN201510642908 A CN 201510642908A CN 106554186 A CN106554186 A CN 106554186A
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- accurate measurement
- measurement platform
- reducing agent
- silica flour
- steel fibre
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Abstract
The invention discloses the accurate measurement platform and its method of a kind of utilization superhigh intensity silicate material preparation, the accurate measurement platform includes portland cement, silicon ash, levigate silica flour, haydite, steel fibre, high-performance water reducing agent and water, and the weight ratio of the portland cement, silicon ash, levigate silica flour, haydite, steel fibre, high-performance water reducing agent and water is 1：(0.01-0.4)：(0.01-0.5)：(0.01-0.4):(0.01-0.20)：(0.01-0.1)：(0.01-0.5)；The specific surface area of the silicon ash is 20000-28000m2/ kg, mean diameter are 0.1-0.3 μm, SiO2Content more than 90%；Levigate silica flour particle mean size 20-50 μm, SiO2Content more than 95%；The haydite is ceramic particle of the particle diameter between 0.1-2mm.Superhigh intensity silicate material of the present invention has good combination property and performance, and its comprcssive strength reaches 320MPa-450MPa, and bending strength reaches 80-120MPa, and hardness reaches HB260-320, good stability of the dimension, it is adaptable to the making of accurate measurement platform.
Description
Technical field
The present invention relates to the accurate measurement platform and its method of a kind of utilization superhigh intensity silicate material preparation, belong to
Mechanical engineering field material.
Background technology
Accurate measurement platform is instrument and meter, precision instrument, the datum level of mechanical product inspection, it is desirable to structure
Accurate, homogeneous, good stability, intensity are big, hardness is high, can keep high-precision under heavy load and general temperature
The characteristics of spending.Conventional accurate measurement platform has the types such as rustless steel, ceramics, epoxy resin.Superhigh intensity silicate
Material is with ordinary cement as raw material, in the presence of high efficiency water reducing agent (super plasticizer), by increasing component
Fineness and reactivity, and the novel concrete based composites for obtaining；The material structure is fine and close, porosity is low, tool
There are superhigh intensity, shock resistance, excellent in te pins of durability, be the ideal material for making high performance precision measuring table.
Carry out mainly around product preparation technology with regard to the report of superhigh intensity silicate material at present.Liu Juanhong (Liu
It is beautiful red etc. distribution of particles is to RPC performance and Effects on Microstructure [J]. Wuhan University of Technology's journal,
2007,29 (1):26-29) etc. the different conservation systems of report are to large dosage finely-powdered minerals RPC performance
Impact, test shows large dosage finely-powdered minerals RPC after steam-cured and dry heating curing, and pattern is sent out
Changing, closely knit when the structure of gelinite is steam-cured, be evenly distributed, obtained silicate material comprcssive strength reaches
210MPa, rupture strength reach 38.8MPa.Tian Fenglan (Tian Fenglan etc. the power of superhigh intensity silicate concrete
Learn performance study [J]. Chinese architecture metal structure, 2013,10:223-224) etc. meet hydrothermal synthesizing condition and
Under molding pattern, the superhigh intensity silicate concrete material with performances such as high tenacity, low-density, low costs is prepared
Material, the high-strength aggregate of analysis different addition quantity, the impact to superhigh intensity silicate concrete mechanical property, obtained silicon
Silicate material comprcssive strength reaches 240MPa, and rupture strength reaches 37.5MPa.
The content of the invention
Technical problem solved by the invention is to provide a kind of using the preparation accurate measurement of superhigh intensity silicate material
The method of platform, by optimizing high efficiency water reducing agent, preferred aggregate component, and improves corresponding preparation technology to be lifted
Silicate material combination property so as to suitable for the making of accurate measurement platform.
The technical solution for realizing the object of the invention is：Precision prepared by a kind of utilization superhigh intensity silicate material
Measuring table, it includes portland cement, silicon ash, levigate silica flour, haydite, steel fibre, high-performance water reducing agent
And water, the portland cement, silicon ash, levigate silica flour, haydite, steel fibre, high-performance water reducing agent and water
Weight ratio is 1：(0.01-0.4)：(0.01-0.5)：(0.01-0.4):(0.01-0.20)：(0.01-0.1)：(0.01-0.5).
The specific surface area of the silicon ash is 20000-28000m2/ kg, mean diameter are 0.1-0.3 μm, SiO2Content
More than 90%；
The levigate silica flour is quartz sand Jing ball mill ball milling 1-4 hours, particle mean size 20-50 μm, SiO2Contain
Amount more than 95%；
The haydite main component is Al2O3、SiO2, high-density ultra-strength ceramic particle of the particle diameter for 0.1-2mm.
Described steel fibre is the straight steel fibre of copper coating, and length is 6-13mm, a diameter of 0.2-0.5mm, is resisted
Tensile strength is 2000MPa.
The high-performance water reducing agent is polycarboxylic acid series high efficiency water reducing agent, and water-reducing rate is not less than 30%.
A kind of method that utilization superhigh intensity silicate material prepares accurate measurement platform, comprises the following steps：
The selection of step 1, raw material：By portland cement, silicon ash, levigate silica flour, haydite, steel fibre, height
The weight ratio of performance water reducer and water is 1：(0.01-0.4)：(0.01-0.5)：(0.01-0.4):(0.01-0.20)：
(0.01-0.1)：(0.01-0.5) every material, is chosen with standby；
Step 2, stirring：Portland cement, silicon ash, levigate silica flour are poured in blender, dry mixing 1-10 point
Clock, adding ceramic are stirred for 1-10 minutes, add steel fibre, high-performance water reducing agent and water wet-mixing 1-30 minutes to be mixed
Close material；
Step 3, compound are inserted mould and are vibrated form removal after blanks and moulding and conserving 10-40 hour, are immediately placed in cement standard and support
Protecting box conserves 10-60 hours, and standard curing carries out 60-120 DEG C of thermal curing 10-40 hour after terminating, last test specimen is put
Enter 100-300 DEG C of steam press maintenance 10-40 hour in still kettle, natural cooling obtains being suitable to accurate measurement platform
Superhigh intensity silicate material.
Compared with prior art, its remarkable advantage is the present invention：1) superhigh intensity silicate material prepared by the method,
The less silicon ash of particle diameter not only acts as good filler effect with levigate silica flour, improves cement endoparticle particle diameter distribution,
And both have high activity volcano ash effect, can react Jing after maintenance and generate intensity height, the low alkali of good stability
Property hydrated calcium silicate, significantly improves Mechanical Properties of Products；2) superhigh intensity silicate material prepared by the method, adopts
Replace the coarse aggregate in normal concrete with haydite, on the one hand avoid what is easily occurred in concrete when adding coarse aggregate
The defects such as hole, crackle, the small capillary hole for existing inside another aspect haydite in a large number, in mixing process
Moisture effectively " can be stored ", and moisture " can be discharged " during hardening of cement, by this " micro-
Pump " effect promotes the maintenance of product, so as to realize the raising of silicate material intensity；3) superhigh intensity silicon of the present invention
Silicate material has good combination property and performance, and its comprcssive strength reaches 320MPa-450MPa, bending resistance
Intensity reaches 80-120MPa, and hardness reaches HB260-320, good stability of the dimension, it is adaptable to accurate measurement platform
Make.
Description of the drawings
Fig. 1 is the process chart that the present invention prepares accurate measurement platform using superhigh intensity silicate material.
Specific embodiment
Such as Fig. 1, the method that utilization superhigh intensity silicate material of the present invention prepares accurate measurement platform, including
Following steps：
The selection of step 1, raw material：By portland cement, silicon ash, levigate silica flour, haydite, steel fibre, height
The weight ratio of performance water reducer and water is 1：(0.01-0.4)：(0.01-0.5)：(0.01-0.5):(0.01-0.3)：
(0.01-0.1)：(0.01-0.5) every material, is chosen with standby；
Step 2, stirring：Portland cement, silicon ash, levigate silica flour are poured in blender, dry mixing 1-10 point
Clock, adding ceramic are stirred for 1-10 minutes, add steel fibre, high-performance water reducing agent and water wet-mixing 1-30 minutes to be mixed
Close material；
Step 3, compound are inserted mould and are vibrated form removal after blanks and moulding and conserving 10-40 hour, are immediately placed in cement standard and support
Protecting box conserves 10-60 hours, and standard curing carries out 60-120 DEG C of thermal curing 10-40 hour after terminating, last test specimen is put
Enter 100-300 DEG C of steam press maintenance 10-40 hour in still kettle, natural cooling obtains being suitable to accurate measurement platform
Superhigh intensity silicate material.
Above-mentioned superhigh intensity silicate material has good combination property and performance, and its comprcssive strength reaches
320MPa-450MPa, bending strength reach 80-120MPa, and hardness reaches HB260-320, good stability of the dimension,
Suitable for the making of accurate measurement platform.
Embodiment
The preparation of haydite potting resin mineral composite is carried out as follows, and Ju Ti Pei Fang is shown in Table 1, experimental result
It is shown in Table 2.
1) stir：Portland cement, silicon ash, levigate silica flour are poured in blender, dry mixing 4 minutes, plus
Ceramic particle is stirred for 2 minutes, adds steel fibre, high-performance water reducing agent and water wet-mixing to obtain compound in 8 minutes；
2) conserve：Compound is inserted mould and is vibrated blanks and moulding and conserving form removal after 20 hours, is immediately placed in cement standard and supports
Protecting box is conserved 50 hours, and standard curing carries out 90 DEG C of thermal curings 30 hours after terminating, last test specimen is put into still kettle
In 250 DEG C of steam press maintenances 30 hours, natural cooling obtains being suitable to the superhigh intensity silicate of accurate measurement platform
Material.
The raw-material weight ratio of 1 superhigh intensity silicate of table
Silicon ash：Specific surface area is 26000m2/ kg, mean diameter are 0.21 μm, SiO2Content is 94%；
Silica flour：Specific surface area is 406.6m2/ kg, 38.4 μm of particle mean size, SiO2Content is 98%；
Haydite：Mean diameter is 0.6mm；
Steel fibre：Length is 6mm, and a diameter of 0.2mm, tensile strength are 2000MPa；
Water reducer：Polycarboxylic acid series high efficiency water reducing agent；
The property indices of 2 superhigh intensity silicate material of table
The embodiment superhigh intensity silicate material for obtaining, with good combination property and performance, it is adaptable to
The making of accurate measurement platform.
Claims (7)
1. a kind of accurate measurement platform, it is characterised in that it include portland cement, silicon ash, levigate silica flour,
Haydite, steel fibre, high-performance water reducing agent and water, the portland cement, silicon ash, levigate silica flour, haydite,
The weight ratio of steel fibre, high-performance water reducing agent and water is 1：(0.01-0.4)：(0.01-0.5)：(0.01-0.4):
(0.01-0.20)：(0.01-0.1)：(0.01-0.5).
2. accurate measurement platform as claimed in claim 1, it is characterised in that the specific surface area of silicon ash is
20000-28000m2/ kg, mean diameter are 0.1-0.3 μm, SiO2Content more than 90%.
3. accurate measurement platform as claimed in claim 1, it is characterised in that the average grain of levigate silica flour
Spend for 20-50 μm, SiO2Content is more than 95%.
4. accurate measurement platform as claimed in claim 1, it is characterised in that haydite is particle diameter in 0.1-2mm
Between ceramic particle.
5. accurate measurement platform as claimed in claim 1, it is characterised in that steel fibre is copper coating
Straight steel fibre, its length are 6-13mm, and a diameter of 0.2-0.5mm, tensile strength are 2000MPa.
6. accurate measurement platform as claimed in claim 1, it is characterised in that high-performance water reducing agent is poly- carboxylic
Sour series high-efficiency water-reducing agent, its water-reducing rate are not less than 30%.
7. a kind of preparation method of the accurate measurement platform as described in claim 1-6 is arbitrary, it is characterised in that
Comprise the following steps：
Step 1, stirring：Portland cement, silicon ash, levigate silica flour are poured in blender, dry mixing 1-10
Minute, adding ceramic is stirred for 1-10 minutes, adds steel fibre, high-performance water reducing agent and water wet-mixing 1-30 minutes
Obtain compound；
Step 2, compound are inserted mould and are vibrated form removal after blanks and moulding and conserving 10-40 hour, are immediately placed in cement mark
Quasi- curing box conserves 10-60 hours, and standard curing carries out 60-120 DEG C of thermal curing 10-40 hour after terminating, most
Test specimen is put into 100-300 DEG C of steam press maintenance 10-40 hour in still kettle afterwards, natural cooling, that is, obtain described
Accurate measurement platform.
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Cited By (2)
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| CN108529939A (en) * | 2018-04-27 | 2018-09-14 | 山西大学 | A kind of preparation method of steel scoria unburned brick |
| CN112142408A (en) * | 2020-09-27 | 2020-12-29 | 九牧厨卫股份有限公司 | Lightweight medium-high pressure die and preparation method thereof |
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| CN102001846A (en) * | 2010-03-29 | 2011-04-06 | 中国铁道科学研究院铁道建筑研究所 | Mineral polymeric material based active powder concrete and preparation method thereof |
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|---|---|---|---|---|
| CN108529939A (en) * | 2018-04-27 | 2018-09-14 | 山西大学 | A kind of preparation method of steel scoria unburned brick |
| CN112142408A (en) * | 2020-09-27 | 2020-12-29 | 九牧厨卫股份有限公司 | Lightweight medium-high pressure die and preparation method thereof |
| CN112142408B (en) * | 2020-09-27 | 2022-05-03 | 九牧厨卫股份有限公司 | Lightweight medium-high pressure die and preparation method thereof |
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