CN103018140A - Detection method of abrasion resistance and grindability of silicon carbide micropowder - Google Patents
Detection method of abrasion resistance and grindability of silicon carbide micropowder Download PDFInfo
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- CN103018140A CN103018140A CN201210513006XA CN201210513006A CN103018140A CN 103018140 A CN103018140 A CN 103018140A CN 201210513006X A CN201210513006X A CN 201210513006XA CN 201210513006 A CN201210513006 A CN 201210513006A CN 103018140 A CN103018140 A CN 103018140A
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Abstract
The invention discloses a detection method of the abrasion resistance and grindability of silicon carbide micropowder. The abrasion resistance and grindability of the silicon carbide micropowder are measured by measuring the change of steel ball quality and micropowder particle size in micropowder friction, shearing and collision processes. The detection method disclosed by the invention has no potential safety hazard or environment protection in the measuring process of the abrasion resistance and grindability of the silicon carbide micropowder, is easy and convenient for process operation, greatly reduces the labor intensity of workers, increases the working efficiency, is wide in application range and can be used for treating the measurement of the abrasion resistance and grindability of other micropowder-grade grinding materials.
Description
Technical field
The present invention relates to a kind of detection method of silicon carbide micro-powder performance, especially relate to the detection method of a kind of silicon carbide micro-powder wearing quality and grindability.
Background technology
Silicon carbide micro-powder is crystal structure, hardness is high, in abrasive material, be higher than corundum and be only second to adamas, cubic boron nitride and boron carbide, cutting power is stronger, stable chemical nature, good heat conductivity is used for monocrystalline silicon, polysilicon, the arsenic potassium of 3-12 inch, the line cutting of quartz crystal, is the engineering rapidoprint of photovoltaic industry, semiconductor industry, piezoelectric crystal industry.The crisis of photovoltaic industry is had higher requirement to the performance of silicon carbide micro-powder, and enterprise has strengthened reclaiming the access times of sand in order to reduce cost.The wearing quality of silicon carbide micro-powder is better, and its access times will be more; Grindability is better, and cutting efficiency will be higher in its cutting on line, and these all can reduce the production cost of enterprise, thereby increases enterprise's competitive edge in the industry.GB/T 23538-2009 has stipulated the assay method of conventional abrasive material ball milling toughness, but it is only applicable to the mensuration that granularity is the F8-F150 coarse grained abrasive, the present invention be applicable to measure granularity be F230 with wearing quality and the grindability of thin micro powder grade abrasive material, and simple to operate, easy to adjust, reliability is high, good reproducibility.
Summary of the invention
The objective of the invention is the deficiency for solving the problems of the technologies described above, the detection method of a kind of silicon carbide micro-powder wearing quality and grindability is provided.
The present invention is the deficiency that solves the problems of the technologies described above, and the technical scheme that adopts is:
The detection method of a kind of silicon carbide micro-powder wearing quality and grindability may further comprise the steps:
(1) micro mist sample to be measured is placed baking oven, set temperature is 105-115 ℃, dry 50-70 minute, be cooled to room temperature, and for subsequent use;
(2) according to the steel ball sizes of balls proportioning of setting, accurately weigh the gross mass of proportioning steel ball with balance, put it into ball grinder
(3); Weigh the 90-110 gram of materialsing in the balance according to the ratio of grinding media to material of setting, measure the micro mist size-grade distribution of sample, and record, then the micro mist sample is put into ball grinder, for subsequent use;
(4) set drum's speed of rotation after, carry out ball milling, whenever in half an hour, take out micro mist sample in the ball grinder, measure size-grade distribution and the record of micro mist sample, the steel ball in the ball grinder is all taken out, again with brush with the steel ball outwash, accurately then gross mass and the record of the whole steel balls of weighing put into bowl mill again with the micro mist sample, repeat this step 5-10 time;
(5) ball milling being finished the rear data that record processes: the mean value of getting data in the step (4), represent the wearing quality of micro mist with the mean value of micro mist per half an hour of change of granularity, represent the grindability of micro mist with the mean value of steel ball per half an hour of quality coefficient of losses;
(6) repeat (2)-(5) step twice, get three results' mean value as net result.
Balance scale division value used in described step (2), (3), (4) is not less than 0.01g.
Used steel ball is the tungalloy steel ball in the described step (2), and large bulb diameter is 20mm; The small ball's diameter is 10mm.
Big or small steel ball matching is 1:6 in the described step (2).
Ratio of grinding media to material is 5:1 in the described step (2).
The steel ball quality of putting into ball grinder in the described step (2) is total up to 450.00-550.00g, when steel ball quality is lower than 450.00g, should add new ball.
The drum's speed of rotation of setting in the described step (4) is 230 rev/mins.
Micro mist size-grade distribution of record is＜size-grade distribution of this scope of D94 in the described step (3), (4) and (5).
The micro mist size-grade distribution is to measure by laser method, electric-resistivity method, microscopic method or sieve method in described step (3), (4) and (5).
In the size-grade distribution of micro mist, generally it can be divided into＞D0, D0-D3, D3-D50, D50-D94,＜several scopes such as D94.Micro mist is in mechanical milling process, the behaviors such as micro mist and steel ball rub, shear, collision, granularity is from coarse to fine changing gradually, thereby can judge, in above-mentioned several scopes, only have＜the interior change of granularity of this scope of D94 is single variation, so available its represents the toughness of micro mist, change of granularity is slower, represents micro mist toughness better, and namely wearing quality better.Steel ball with micro mist friction, shearing, collision process in, own wt can reduce, weight reduces the more, the grinding capacity of expression micro mist is stronger.The present invention just is based on wearing quality and the grindability that above-mentioned principle is measured silicon carbide micro-powder.
The invention has the beneficial effects as follows: the present invention does not have potential safety hazard in measuring silicon carbide micro-powder wearing quality and grindability process, free from environmental pollution; Technological operation is simple, convenient, has greatly lowered workman's labour intensity, has improved work efficiency; Applied range of the present invention also can be used for processing the mensuration of other micro powder grade abrasive material wearing qualities and grindability.
Embodiment
Embodiment is as follows:
Embodiment one
A kind of method that detects silicon carbide micro-powder wearing quality and grindability comprises the steps:
(1) 4 different GC#1200 samples is placed baking oven, be designated as respectively sample 1,2,3, No. 4, in (110 ± 5) ℃ lower dry 1 hour, be cooled to room temperature;
(2) according to the sizes of balls proportioning of steel ball 1:6 and the ratio of grinding media to material of 5:1, the quality 545.85 that accurately weighs the proportioning steel ball with balance restrains, and puts it into ball grinder;
(3) according to the ratio of grinding media to material of 5:1 materials respectively 109.17 the gram, put into 4 ball grinders;
(4) measure the front micro mist size-grade distribution of ball milling, and record;
(5) set 230 rev/mins of drum'ss speed of rotation after, carry out ball milling, take out material in each ball grinder per half an hour, measure the size-grade distribution of micro mist, again with brush with the steel ball outwash, accurately then its gross mass of weighing and record are again put into sample bowl mill and are repeated this step 10 times;
(6) carry out data after ball milling finishes and process and get the mean value of 10 secondary data in the step (5), represent the wearing quality of micro mist with the mean value of micro mist per half an hour of change of granularity, represent the grindability of micro mist with the mean value of steel ball per half an hour of quality coefficient of losses;
(7) repeat above-mentioned (2)-(6) step twice, get three results' mean value as net result.
Acquired results is that the wearing quality of 1,2,3, No. 4 sample is respectively 5.3867,5.2922,5.2757,5.3596, and grindability is respectively 1.3277,1.3357,1.3319,1.3383.
Embodiment two
A kind of method that detects silicon carbide micro-powder wearing quality and grindability comprises the steps:
(1) 4 different GC#1500 samples is placed baking oven, be designated as respectively sample 1,2,3, No. 4, in (110 ± 5) ℃ lower dry 1 hour, be cooled to room temperature;
(2) according to the sizes of balls proportioning of steel ball 1:6, the gross mass 540.12 that accurately weighs the proportioning steel ball with balance restrains, and puts it into ball grinder;
(3) according to the ratio of grinding media to material of 5:1 materials respectively 108.02 the gram, put into 4 ball grinders;
(4) measure the front micro mist size-grade distribution of ball milling, and record;
(5) set 230 rev/mins of drum'ss speed of rotation after, carry out ball milling, take out material in each ball grinder per half an hour, measure the size-grade distribution of micro mist, again with brush with the steel ball outwash, accurately then its gross mass of weighing and record are again put into sample bowl mill and are repeated this step 8 times;
(6) carry out data after ball milling finishes and process and get the mean value of 8 secondary data in the step (5), represent the wearing quality of micro mist with the mean value of micro mist per half an hour of change of granularity, represent the grindability of micro mist with the mean value of steel ball per half an hour of quality coefficient of losses;
(7) repeat above-mentioned (2)-(6) step twice, get three results' mean value as net result.
Acquired results is that the wearing quality of 1,2,3, No. 4 sample is respectively 5.5146,5.4146,5.5915,5.5219, and grindability is respectively 1.0272,1.0225,1.0159,1.0220.
Embodiment three
A kind of method that detects silicon carbide micro-powder wearing quality and grindability comprises the steps:
(1) 4 different GC#2000 samples is placed baking oven, be designated as respectively sample 1,2,3, No. 4, in (110 ± 5) ℃ lower dry 1 hour, be cooled to room temperature;
(2) according to the sizes of balls proportioning of steel ball 1:6 and the ratio of grinding media to material of 5:1, accurately weigh quality 490.68 grams of proportioning steel ball, put it into ball grinder;
(3) according to the ratio of grinding media to material of 5:1 materials respectively 98.14 the gram, put into 4 ball grinders;
(4) measure the front micro mist size-grade distribution of ball milling, and record;
(5) set 230 rev/mins of drum'ss speed of rotation after, carry out ball milling, take out material in each ball grinder per half an hour, measure the size-grade distribution of micro mist, again with brush with the steel ball outwash, accurately then its gross mass of weighing and record are again put into sample bowl mill and are repeated this step 6 times;
(6) carry out data after ball milling finishes and process and get the mean value of 6 secondary data in the step (5), represent the wearing quality of micro mist with the mean value of micro mist per half an hour of change of granularity, represent the grindability of micro mist with the mean value of steel ball per half an hour of quality coefficient of losses;
(7) repeat above-mentioned (2)-(6) step twice, get three results' mean value as net result.
Acquired results is that the wearing quality of 1,2,3, No. 4 sample is respectively 3.2872,3.2768,3.2046,3.2477, and grindability is respectively 0.7709,0.7798,0.7898,0.7493.
Claims (9)
1. the detection method of a silicon carbide micro-powder wearing quality and grindability is characterized in that may further comprise the steps:
(1) micro mist sample to be measured is placed baking oven, set temperature is 105-115 ℃, dry 50-70 minute, be cooled to room temperature, and for subsequent use;
(2) according to the steel ball sizes of balls proportioning of setting, accurately weigh the gross mass of proportioning steel ball, put it into ball grinder;
(3) weigh the 90-110 gram of materialsing in the balance according to the ratio of grinding media to material of setting, measure the micro mist size-grade distribution of sample, and record, then the micro mist sample is put into ball grinder, for subsequent use
(4) set drum's speed of rotation after, carry out ball milling, whenever in half an hour, take out micro mist sample in the ball grinder, measure size-grade distribution and the record of micro mist sample, the steel ball in the ball grinder is all taken out, again with brush with the steel ball outwash, accurately then gross mass and the record of the whole steel balls of weighing put into bowl mill again with the micro mist sample, repeat this step 5-10 time;
(5) ball milling being finished the rear data that record processes: the mean value of getting data in the step (4), represent the wearing quality of micro mist with the mean value of micro mist per half an hour of change of granularity, represent the grindability of micro mist with the mean value of steel ball per half an hour of quality coefficient of losses;
(6) repeat (2)-(5) step twice, get three results' mean value as net result.
2. the detection method of a kind of silicon carbide micro-powder wearing quality according to claim 1 and grindability is characterized in that used balance scale division value is not less than 0.01g in described step (2), (3) and (4).
3. the detection method of a kind of silicon carbide micro-powder wearing quality according to claim 1 and grindability is characterized in that steel ball used in the described step (2) is the tungalloy steel ball, and large bulb diameter is 20mm; The small ball's diameter is 10mm.
4. the detection method of a kind of silicon carbide micro-powder wearing quality according to claim 1 and grindability is characterized in that big or small steel ball matching is 1:6 in the described step (2).
5. the detection method of a kind of silicon carbide micro-powder wearing quality according to claim 1 and grindability is characterized in that ratio of grinding media to material is 5:1 in the described step (2).
6. the detection method of a kind of silicon carbide micro-powder wearing quality according to claim 1 and grindability, it is characterized in that the steel ball quality of putting into ball grinder in the described step (2) is total up to 450.00-550.00g, when steel ball quality is lower than 450.00g, should add new ball.
7. the detection method of a kind of silicon carbide micro-powder wearing quality according to claim 1 and grindability is characterized in that the drum's speed of rotation of setting in the described step (4) is 230 rev/mins.
8. the detection method of a kind of silicon carbide micro-powder wearing quality according to claim 1 and grindability, the micro mist size-grade distribution that it is characterized in that record in described step (3), (4) and (5) is the size-grade distribution of＜this scope of D94.
9. the detection method of a kind of silicon carbide micro-powder wearing quality according to claim 1 and grindability is characterized in that the micro mist size-grade distribution is to measure by laser method, electric-resistivity method, microscopic method or sieve method in described step (3), (4) and (5).
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Cited By (7)
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| CN105203433A (en) * | 2015-09-10 | 2015-12-30 | 苏州协鑫光伏科技有限公司 | Detection method for grinding capacity of grinding material |
| CN105651654A (en) * | 2015-12-30 | 2016-06-08 | 平顶山易成新材料有限公司 | Method for detecting scratch degree of silicon carbide powder for precision grinding |
| CN106404572A (en) * | 2016-08-30 | 2017-02-15 | 镇江荣德新能源科技有限公司 | Detection method for hardness of micron-size ultrahard grinding materials |
| CN107543765A (en) * | 2016-06-24 | 2018-01-05 | 中国石油化工股份有限公司 | A kind of wear device of microspherical catalyst and the measurement system of microspherical catalyst tear strength |
| CN111208030A (en) * | 2020-01-17 | 2020-05-29 | 湖南省水稻研究所 | Grinding experiment method and dust-free ventilation device for grinding experiment |
| CN112595624A (en) * | 2020-12-10 | 2021-04-02 | 浙江金琨锆业有限公司 | Method for rapidly detecting abrasion of zirconia beads |
| CN113176169A (en) * | 2021-05-28 | 2021-07-27 | 郑州磨料磨具磨削研究所有限公司 | Abrasive performance evaluation index and test method thereof |
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| CN105203433A (en) * | 2015-09-10 | 2015-12-30 | 苏州协鑫光伏科技有限公司 | Detection method for grinding capacity of grinding material |
| CN105203433B (en) * | 2015-09-10 | 2018-06-15 | 苏州协鑫光伏科技有限公司 | Abrasive lapping ability detection method |
| CN105651654A (en) * | 2015-12-30 | 2016-06-08 | 平顶山易成新材料有限公司 | Method for detecting scratch degree of silicon carbide powder for precision grinding |
| CN105651654B (en) * | 2015-12-30 | 2018-08-28 | 平顶山易成新材料有限公司 | A kind of scuffing degree detection method of precise finiss silicon carbide powder |
| CN107543765A (en) * | 2016-06-24 | 2018-01-05 | 中国石油化工股份有限公司 | A kind of wear device of microspherical catalyst and the measurement system of microspherical catalyst tear strength |
| CN107543765B (en) * | 2016-06-24 | 2020-11-13 | 中国石油化工股份有限公司 | Wear device of microspherical catalyst |
| CN106404572A (en) * | 2016-08-30 | 2017-02-15 | 镇江荣德新能源科技有限公司 | Detection method for hardness of micron-size ultrahard grinding materials |
| CN111208030A (en) * | 2020-01-17 | 2020-05-29 | 湖南省水稻研究所 | Grinding experiment method and dust-free ventilation device for grinding experiment |
| CN112595624A (en) * | 2020-12-10 | 2021-04-02 | 浙江金琨锆业有限公司 | Method for rapidly detecting abrasion of zirconia beads |
| CN113176169A (en) * | 2021-05-28 | 2021-07-27 | 郑州磨料磨具磨削研究所有限公司 | Abrasive performance evaluation index and test method thereof |
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