CN101914292B - Sensitivity similar material and preparation method thereof - Google Patents
Sensitivity similar material and preparation method thereof Download PDFInfo
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- CN101914292B CN101914292B CN2010102557204A CN201010255720A CN101914292B CN 101914292 B CN101914292 B CN 101914292B CN 2010102557204 A CN2010102557204 A CN 2010102557204A CN 201010255720 A CN201010255720 A CN 201010255720A CN 101914292 B CN101914292 B CN 101914292B
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- paraffin
- vaseline
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- carbon fiber
- carbon black
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- 239000000463 material Substances 0.000 title claims abstract description 55
- 230000035945 sensitivity Effects 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 238000012360 testing method Methods 0.000 claims abstract description 38
- 239000012188 paraffin wax Substances 0.000 claims abstract description 26
- 229940099259 vaseline Drugs 0.000 claims abstract description 25
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 20
- 239000004917 carbon fiber Substances 0.000 claims abstract description 20
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229920001971 elastomer Polymers 0.000 claims abstract description 18
- 239000005060 rubber Substances 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 238000002844 melting Methods 0.000 claims abstract description 3
- 230000008018 melting Effects 0.000 claims abstract description 3
- 238000002156 mixing Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 239000006229 carbon black Substances 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 238000004088 simulation Methods 0.000 claims description 5
- 230000009514 concussion Effects 0.000 claims description 2
- 238000010257 thawing Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 16
- 239000010935 stainless steel Substances 0.000 description 16
- 235000019241 carbon black Nutrition 0.000 description 12
- 239000000203 mixture Substances 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000012669 compression test Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a sensitivity similar material and a preparation method thereof. In the method, Vaseline, paraffin, conductive carbon black, powdered rubber and short carbon fiber are adopted as raw materials in a mass proportion; and the method comprises the following steps of: heating and melting the Vaseline and the paraffin, stirring, respectively adding the conductive carbon black, the powdered rubber and the short carbon fiber, and uniformly mixing. The similar material has sensitivity, can directly acquire deformation information of a model test through macroscopic resistance testing without an extra test instrument so as to greatly facilitate the testing in an test, can be used for simulating a geotechnical similar material, has lower strength, can complete the test under smaller pressurizing load along with simple pressurizing equipment, and has the advantages of wide sources of the raw materials, easy processing without maintenance, capacity of being recycled, and great reduction of testing cost.
Description
Technical field
The present invention relates to a kind of analog material and preparation method thereof, especially a kind of sensitivity similar material that is applicable to simulation ground bullet fragility and elastic-plastic material and preparation method thereof.
Background technology
The analog simulation test is by certain how much, physical relation, replaces prototype to carry out testing research with model, and result of study is used for the TP of prototype.It is a kind of important scientific research means; Be in the laboratory, to make the model similar with prototype by similarity principle; By the force parameter and the regularity of distribution thereof in the testing instrument observation model; Be utilized in the result who studies on the model,, thereby solve the practical problems in the rock mass engineering project production so as to contingent mechanics phenomenon and rock mass pressure distribution rule in the deduction prototype.This research method has directly perceived, easy, economical, quick and advantage such as the test period is short.And can be as required, through fixing some parameter, changing other parameters and study the stress rule over time in the actual engineering, these all are difficult to realize under the condition at the scene.
Analog material is the key of similar test success or not, and when carrying out layer during similar model test, is again basic task to the test of model deformation information, and test for data is the fundamental basis that carries out scientific research.
At present, the analog material that is used for similar test has a variety of, and is different by its consolidating material, is divided into analog materials such as paraffin, gypsum, rosin, cement.And these analog materials basically all are that ultimate compression strength is bigger, and special testing instrument all need be installed in test test related variation.So far; Also do not have analog material is made into sensitivity similar material, so when model trial, all need be provided with the test that testing tool is correlated with specially; And often can not obtain some critical datas owing to the reason of testing tool, like model internal modification etc.It is necessary developing a kind of intelligent analog material with susceptibility for this reason.
Summary of the invention
Technical problem: the purpose of this invention is to provide sensitivity similar material that a kind of starting material source is wide, the preparation method is simple, cheap and preparation method thereof.
Technical scheme: sensitivity test material of the present invention, adopting Vaseline, paraffin, graphitized carbon black, chopped carbon fiber and powdered rubber is raw material, is prepared from through mixing, its quality proportioning is following:
100 parts in Vaseline;
1～10 part of graphitized carbon black;
80～200 parts in paraffin;
0～50 part of chopped carbon fiber;
0～100 part of powdered rubber.
Preparing method's step of sensitivity similar material of the present invention is following:
(1) takes by weighing Vaseline, paraffin, graphitized carbon black, chopped carbon fiber, powdered rubber by the quality proportioning;
(2) earlier Vaseline and paraffin are put into metal vessel, put into the baking oven thawing of heating again;
(3) treat that Vaseline and paraffin all melt to behind the liquid, take out metal vessel, put it in the water bath of ultrasonic disperser;
(4) open UW and make the solution concussion in the metal vessel, solution is carried out manual stirring, add graphitized carbon black while stirring after, ultrasonic oscillation 20～60min;
(5) metal vessel is taken out, be placed on the process furnace and heat, stir, slowly add chopped carbon fiber and powdered rubber then successively, continue to be stirred to evenly with stirrer;
(6) compound that stirs is injected mould, the normal temperature about 24h of cooling down solidifies, and promptly obtains the sensitivity test material.
It is said that to put into the baking oven temperature of melting of heating be 80～140 ℃; Described water bath water temperature is about 90 ℃; The said temperature of heating on the process furnace that is placed on is 100～140 ℃.
Beneficial effect: this sensitivity similar material has following characteristics:
(1) this analog material has susceptibility, can directly obtain the deformation information of model trial through the macroscopic resistance test, need not extra testing tool, greatly facilitates the test job in the test;
(2) its intensity is lower, just can accomplish test under the less pressurization load, and pressure exerting device is simple;
(3) the mechanics scope is adjustable, can distinguish imitating shell hard brittle material and elastic-plastic material, has bigger theoretical investigation to be worth;
(4) its starting material source is wide, is highly susceptible to processing, does not need maintenance, and can realize recycling, has significantly reduced experimentation cost.
The Vaseline that adopts in the material is sticking semisolid at normal temperatures; Paraffin is solid at normal temperatures, and both just become liquid state through heat (temperature is higher than about 70 degree), just can add the material of other raw materials mix Cheng Xin this moment therein; Remove hot conditions again, cooling forming under the room temperature.
Description of drawings:
Fig. 1 is the stress-strain and the resistance-strain curve of sensitivity similar material instance one of the present invention;
Fig. 2 is the stress-strain and the resistance-strain curve of sensitivity similar material instance two of the present invention;
Fig. 3 is the stress-strain and the resistance-strain curve of sensitivity similar material instance three of the present invention;
Fig. 4 is the stress-strain and the resistance-strain curve of sensitivity similar material instance four of the present invention.
Embodiment
Embodiment one, by the weighing of quality proportioning:
100 parts in Vaseline;
200 parts in paraffin;
40 parts of chopped carbon fibers;
5 parts of graphitized carbon blacks;
100 parts of powdered rubbers;
Chopped carbon fiber adopts the long chopped carbon fiber of 0.2mm.
To put into the stainless steel cup by 100 parts of Vaseline and 200 parts of paraffin of quality proportioning earlier, and again the stainless steel cup put into baking oven and heat, oven temperature is adjusted to 120 degrees centigrade; Open ultrasonic disperser, regulate Heating temperature to 90 degree, begin to heat the water in its water bath; After about about 3 hours, it is liquid that Vaseline and paraffin all melt fully, after the water temperature in the ultrasonic disperser water bath also is elevated to about 90 degree; The stainless steel cup is taken out, be placed on the ultrasonic disperser water bath water surface, open ultrasonic oscillation; The limit is manual stirs the graphitized carbon black that the limit slowly adds 5 parts of quality proportionings, shake about 40 minutes after, the stainless steel cup is taken out; Be put on the process furnace, mixture temperature uses stirrer to mix material in 120 deg.c in the control container; Slowly add long chopped carbon fiber, the 100 parts of powdered rubbers of 40 parts of 0.2mm of quality proportioning, mix material about 15 minutes; After compound is uniformly dispersed, be injected into mould, the room temperature cooling is after 24 hours, and form removal just obtains sensitivity similar material.
The sensitivity similar material that this quality proportioning is processed carries out the uniaxial compression test, and the sample two ends adopt copper wire gauze to do electrode, are used for testing its resistance value, obtain stress-strain curve and resistance-strain curve respectively, and are as shown in Figure 1.
Embodiment two, by the weighing of quality proportioning:
100 parts in Vaseline;
80 parts in paraffin;
0 part of chopped carbon fiber;
2 parts of graphitized carbon blacks;
80 parts of powdered rubbers.
To put into the stainless steel cup by 100 parts of Vaseline and 80 parts of paraffin of quality proportioning earlier, and again the stainless steel cup put into baking oven and heat, oven temperature is adjusted to 130 degrees centigrade; Open ultrasonic disperser, regulate Heating temperature, begin to heat the water in its water bath to about 90 degree; After about about 3 hours, it is liquid that Vaseline and paraffin all melt fully, after the water temperature in the ultrasonic disperser water bath also is elevated to about 90 degree; The stainless steel cup is taken out, be placed on the ultrasonic disperser water bath water surface, open ultrasonic oscillation; The manual limit of stirring, limit slowly adds graphitized carbon black, shakes after 20 minutes, and the stainless steel cup is taken out; Be put on the process furnace, mixture temperature uses stirrer to mix material in 120 deg.c in the control container; Slowly add powdered rubber, mix material about 10 minutes; After compound is uniformly dispersed, be injected into mould, the room temperature cooling is after 24 hours, and form removal just obtains sensitivity similar material.
The sensitivity similar material that this quality proportioning is processed carries out the uniaxial compression test, and the sample two ends adopt copper wire gauze to do electrode, are used for testing its resistance value, obtain stress-strain curve and resistance-strain curve respectively, and are as shown in Figure 2.
Embodiment three, by the weighing of quality proportioning:
100 parts in Vaseline;
160 parts in paraffin;
30 parts of chopped carbon fibers;
1.5 parts of graphitized carbon blacks;
20 parts of powdered rubbers;
Chopped carbon fiber adopts the long chopped carbon fiber of 0.6mm.
To put into the stainless steel cup by 100 parts of Vaseline and 160 parts of paraffin that the quality proportioning takes by weighing earlier, and again the stainless steel cup put into baking oven and heat, oven temperature is adjusted to 120 degrees centigrade; Open ultrasonic disperser, regulate Heating temperature to 90 degree, begin to heat the water in its water bath; After about about 3 hours, it is liquid that Vaseline and paraffin all melt fully, after the water temperature in the ultrasonic disperser water bath also is elevated to about 90 degree; The stainless steel cup is taken out, be placed on the ultrasonic disperser water bath water surface, open ultrasonic oscillation; The manual limit of stirring, limit slowly adds graphitized carbon black, shakes after 30 minutes, and the stainless steel cup is taken out; Be put on the process furnace, mixture temperature uses stirrer to mix material in 120 deg.c in the control container; Slowly add chopped carbon fiber, powdered rubber, mix material about 15 minutes; After compound is uniformly dispersed, be injected into mould, the room temperature cooling is after 24 hours, and form removal just obtains sensitivity similar material.
The sensitivity similar material that this quality proportioning is processed carries out the uniaxial compression test, and the sample two ends adopt copper wire gauze to do electrode, are used for testing its resistance value, obtain stress-strain curve and resistance-strain curve respectively, and are as shown in Figure 3.
Embodiment four, by the weighing of quality proportioning:
100 parts in Vaseline;
120 parts in paraffin;
0 part of chopped carbon fiber;
10 parts of graphitized carbon blacks;
50 parts of powdered rubbers.
To put into the stainless steel cup by 100 parts of Vaseline and 120 parts of paraffin that the quality proportioning takes by weighing earlier, and again the stainless steel cup put into baking oven and heat, oven temperature is adjusted to 120 degrees centigrade; Open ultrasonic disperser, regulate Heating temperature to 90 degree, begin to heat the water in its water bath; After about about 3 hours, it is liquid that Vaseline and paraffin all melt fully, after the water temperature in the ultrasonic disperser water bath also is elevated to about 90 degree; The stainless steel cup is taken out, be placed on the ultrasonic disperser water bath water surface, open ultrasonic oscillation; The manual limit of stirring, limit slowly adds graphitized carbon black, shakes after 60 minutes, and the stainless steel cup is taken out; Be put on the process furnace, mixture temperature uses stirrer to mix material in 120 deg.c in the control container; Slowly add powdered rubber, mix material about 15 minutes; After compound is uniformly dispersed, be injected into mould, the room temperature cooling is after 24 hours, and form removal just obtains sensitivity similar material.
The sensitivity similar material that this quality proportioning is processed carries out the uniaxial compression test, and the sample two ends adopt copper wire gauze to do electrode, are used for testing its resistance value, obtain stress-strain curve and resistance-strain curve respectively, and are as shown in Figure 4.
Claims (4)
1. one kind is applicable to the sensitivity test material of simulating ground bullet fragility and elastic-plastic material, it is characterized in that: adopting Vaseline, paraffin, graphitized carbon black, chopped carbon fiber and powdered rubber is raw material, is prepared from through mixing, and its quality proportioning is following:
100 parts in Vaseline;
1～10 part of graphitized carbon black;
80～200 parts in paraffin;
Chopped carbon fiber is greater than 0 and less than 50 parts;
Powdered rubber is greater than 0 and less than 100 parts;
(1) takes by weighing Vaseline, paraffin, graphitized carbon black, chopped carbon fiber, powdered rubber by the quality proportioning;
(2) earlier Vaseline and paraffin are put into metal vessel, put into the baking oven thawing of heating again;
(3) treat that Vaseline and paraffin all melt to behind the liquid, take out metal vessel, put it in the water bath of ultrasonic disperser;
(4) open UW and make the solution concussion in the metal vessel, solution is carried out manual stirring, add graphitized carbon black while stirring after, ultrasonic oscillation 20～60min;
(5) metal vessel is taken out, be placed on the process furnace and heat, stir, slowly add chopped carbon fiber and powdered rubber then successively, continue to be stirred to evenly with stirrer;
(6) compound that stirs is injected mould, normal temperature cooling 24h down solidifies, and promptly obtains the sensitivity test material.
2. the sensitivity test material that is applicable to simulation ground bullet fragility and elastic-plastic material according to claim 1 is characterized in that: said to put into the baking oven temperature of melting of heating be 80～140 ℃.
3. the sensitivity test material that is applicable to simulation ground bullet fragility and elastic-plastic material according to claim 1, it is characterized in that: the water temperature in the described water bath is 90 ℃.
4. the sensitivity test material that is applicable to simulation ground bullet fragility and elastic-plastic material according to claim 1, it is characterized in that: the said temperature of heating on the process furnace that is placed on is 100～140 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102557204A CN101914292B (en) | 2010-08-13 | 2010-08-13 | Sensitivity similar material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102557204A CN101914292B (en) | 2010-08-13 | 2010-08-13 | Sensitivity similar material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101914292A CN101914292A (en) | 2010-12-15 |
| CN101914292B true CN101914292B (en) | 2012-11-28 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102911639B (en) * | 2012-08-20 | 2014-04-16 | 中国矿业大学 | Magnetic similar material |
| CN109238804B (en) * | 2018-10-26 | 2020-04-17 | 中国矿业大学 | Expansibility similar model test material with conductive property and use method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195122Y (en) * | 1994-04-30 | 1995-04-19 | 西安矿业学院 | Combined stacked body similar material simulation experiment device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195122Y (en) * | 1994-04-30 | 1995-04-19 | 西安矿业学院 | Combined stacked body similar material simulation experiment device |
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| CN101914292A (en) | 2010-12-15 |
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Granted publication date: 20121128 Termination date: 20210813 |