CN106755813A - A kind of antifriction alloy processing environment-friendly type quenching medium and preparation method thereof - Google Patents
A kind of antifriction alloy processing environment-friendly type quenching medium and preparation method thereof Download PDFInfo
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- CN106755813A CN106755813A CN201611101586.6A CN201611101586A CN106755813A CN 106755813 A CN106755813 A CN 106755813A CN 201611101586 A CN201611101586 A CN 201611101586A CN 106755813 A CN106755813 A CN 106755813A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/58—Oils
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Abstract
The invention discloses a kind of antifriction alloy processing environment-friendly type quenching medium, environment-friendly type quenching medium is used in the antifriction alloy processing, in parts by weight, is made up of following raw material：5 13 parts of propyl alcohol, 27 parts of laurate, 0.5 1.4 parts of stearic acid, 7 10 parts of sodium sulphate, 24 parts of potassium hydroxide, 15 26 parts of cornstarch, 6 acetyl-o-methyls 2,38 parts of 2 dimethyl, 1,3 dioxolanes tert-butyl acetate, 5 10 parts of D aspartic acids, 10 17 parts of palm oil, 8 12 parts of polyethylene glycol；Stearic acid, cornstarch, palm oil are dissolved in propyl alcohol first, obtain mixed liquor, then added water and be transferred in reactor, after reaction terminates, cooling adds laurate and the dimethyl 1 of 6 acetyl-o-methyl 2,2,3 dioxolanes tert-butyl acetates, stand after stirring；Then it is centrifuged, supernatant is taken after centrifugation, addition sodium sulphate, potassium hydroxide, D aspartic acids and polyethylene glycol is heated up after stirring, are incubated and cooling and paraffin oil seal, obtained final product.The present invention prepare quenching medium can pole substantially increase Wear Resistance.
Description
Technical field
The present invention relates to field of material technology, environment-friendly type quenching medium is used in specifically a kind of antifriction alloy processing.
Background technology
Quenching medium is a kind of process oil, is used as hardening media.Quenching medium must possess following characteristic：Good cooling
Energy, high-flash and burning-point, good thermal oxidation stability, low viscosity, water content are low.In addition to above-mentioned characteristic, quenching medium is also
Should be nontoxic, tasteless, disposable, environmentally safe, and make the light of the workpiece surface after quenching.Can be divided into according to cooling velocity：
(1) normal quenching agent；(2) rapid quenching agent；(3) (height) speed quenching medium is surpassed.Hypervelocity quenching medium has quickish cooling velocity,
Than rapid quenching agent faster.The oil be add in refined paraffin wax based lubricating oil urge cryogen, detersive and antioxidant etc. modulate and
Into.Oil temperature its characteristic temperature at 800 DEG C is not less than 585 DEG C, by 800 DEG C of times for being cooled to 400 DEG C than rapid quenching agent more
It is short.In use, organic solution after heated can accelerated ageing, be allowed to cool characteristic and change, such as change not in time, will make
Ways of Heat Treatment Product Quality declines, or even unqualified.The Quenching Treatment for high-abrasive material workpiece is not unified also in the market
Quenching medium, high-abrasive material quenching processing technology is the important step for feeling its workpiece toughness, research and develop high-abrasive material class quenching medium
It is necessary.
The content of the invention
It is an object of the invention to provide a kind of antifriction alloy processing environment-friendly type quenching medium, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical scheme：
Environment-friendly type quenching medium is used in a kind of antifriction alloy processing, it is characterised in that in parts by weight, be made up of following raw material：
Propyl alcohol 5-13 parts, laurate 2-7 parts, stearic acid 0.5-1.4 parts, sodium sulphate 7-10 parts, potassium hydroxide 2-4 parts, cornstarch
15-26 parts, 6- acetyl-o-methyl -2,2- dimethyl -1,3- dioxolanes-tert-butyl acetate 3-8 parts, D-Asp 5-10
Part, palm oil 10-17 parts, polyethylene glycol 8-12 parts.
As further scheme of the invention：In parts by weight, it is made up of following raw material：Propyl alcohol 8-11 parts, laurate
4-6 parts, stearic acid 0.8-1.1 parts, sodium sulphate 8-9 parts, potassium hydroxide 2-4 parts, cornstarch 18-24 parts, 6- acetyl-o-methyls-
2,2- dimethyl -1,3- dioxolanes-tert-butyl acetate 3-8 parts, D-Asp 5-10 parts, palm oil 14-17 parts, poly- second two
Alcohol 8-12 parts.
As further scheme of the invention：In parts by weight, it is made up of following raw material：10 parts of propyl alcohol, laurate 5
Part, 0.9 part of stearic acid, 9 parts of sodium sulphate, 3 parts of potassium hydroxide, 21 parts of cornstarch, 6- acetyl-o-methyl -2,2- dimethyl -1,
3- dioxolanes -6 parts of tert-butyl acetate, 8 parts of D-Asp, 16 parts of palm oil, 10 parts of polyethylene glycol.
A kind of antifriction alloy processing preparation method of environment-friendly type quenching medium, concretely comprises the following steps：
(1) stearic acid, cornstarch, palm oil are dissolved in propyl alcohol first, obtain mixed liquor, be subsequently added into mixed liquor
The water that 3 times of volume is simultaneously transferred in reactor, and reaction condition is 140-154 DEG C, 800-1000r/min, 2-3MPa, reaction time
It is 1-2h, after reaction terminates, temperature is down to 80-90 DEG C, adds laurate and 6- acetyl-o-methyl -2,2- dimethyl -1,3-
Dioxolanes-tert-butyl acetate, stands after stirring 10min；
(2) then it is centrifuged, centrifugal rotational speed is 10000-12000r/min, centrifugation time is 5-10min, is taken after centrifugation
Supernatant, addition sodium sulphate, potassium hydroxide, D-Asp and polyethylene glycol, after stirring, temperature rises to 63 DEG C, insulation
1h, is finally cooled to room temperature, and paraffin oil seal is obtained final product.
As further scheme of the invention：Reaction condition is 147 DEG C, 900r/min, 2.5MPa in specific steps (1).
As further scheme of the invention：Temperature is down to 85 DEG C in specific steps (1).
As further scheme of the invention：Centrifugal rotational speed is 11000r/min in specific steps (2), and centrifugation time is
8min。
Compared with prior art, the beneficial effects of the invention are as follows：
The invention discloses a kind of antifriction alloy processing environment-friendly type quenching medium, the antifriction alloy processing is quenched with environment-friendly type
Fiery agent, in parts by weight, is made up of following raw material：Propyl alcohol 5-13 parts, laurate 2-7 parts, stearic acid 0.5-1.4 parts, sulfuric acid
Sodium 7-10 parts, potassium hydroxide 2-4 parts, cornstarch 15-26 parts, 6- acetyl-o-methyl -2,2- dimethyl -1,3- dioxolanes -
Tert-butyl acetate 3-8 parts, D-Asp 5-10 parts, palm oil 10-17 parts, polyethylene glycol 8-12 parts；First by stearic acid, jade
Rice starch, palm oil are dissolved in propyl alcohol, obtain mixed liquor, are then added water and are transferred in reactor, after reaction terminates, cooling
Laurate and 6- acetyl-o-methyl -2 are added, 2- dimethyl-DOX-tert-butyl acetate stands after stirring；Then
It is centrifuged, supernatant is taken after centrifugation, addition sodium sulphate, potassium hydroxide, D-Asp and polyethylene glycol is risen after stirring
Temperature, insulation and cooling and paraffin oil seal, obtain final product.The present invention prepare quenching medium can pole substantially increase Wear Resistance.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Embodiment 1
Environment-friendly type quenching medium is used in a kind of antifriction alloy processing, it is characterised in that in parts by weight, be made up of following raw material：
5 parts of propyl alcohol, 2 parts of laurate, 0.5 part of stearic acid, 7 parts of sodium sulphate, 2 parts of potassium hydroxide, 15 parts of cornstarch, 6- acetyl oxygen first
Base -2,2- dimethyl -1,3- dioxolanes -3 parts of tert-butyl acetate, 5 parts of D-Asp, 10 parts of palm oil, polyethylene glycol 8
Part.
A kind of antifriction alloy processing preparation method of environment-friendly type quenching medium, concretely comprises the following steps：
(1) stearic acid, cornstarch, palm oil are dissolved in propyl alcohol first, obtain mixed liquor, be subsequently added into mixed liquor
The water that 3 times of volume is simultaneously transferred in reactor, and reaction condition is 140 DEG C, 800r/min, 2MPa, and the reaction time is 1h, reaction knot
Shu Hou, temperature is down to 80 DEG C, adds laurate and 6- acetyl-o-methyl -2, the 2- dimethyl-tertiary fourth of DOX-acetic acid
Ester, stands after stirring 10min；
(2) then it is centrifuged, centrifugal rotational speed is 10000r/min, centrifugation time is 5min, and supernatant is taken after centrifugation, is added
Plus sodium sulphate, potassium hydroxide, D-Asp and polyethylene glycol, after stirring, temperature rises to 63 DEG C, is incubated 1h, finally drops
Warm to room temperature, paraffin oil seal is obtained final product.
Embodiment 2
Environment-friendly type quenching medium is used in a kind of antifriction alloy processing, it is characterised in that in parts by weight, be made up of following raw material：
8 parts of propyl alcohol, 4 parts of laurate, 0.8 part of stearic acid, 8 parts of sodium sulphate, 2 parts of potassium hydroxide, 18 parts of cornstarch, 6- acetyl oxygen first
Base -2,2- dimethyl -1,3- dioxolanes -3 parts of tert-butyl acetate, 5 parts of D-Asp, 14 parts of palm oil, polyethylene glycol 8
Part.
A kind of antifriction alloy processing preparation method of environment-friendly type quenching medium, concretely comprises the following steps：
(1) stearic acid, cornstarch, palm oil are dissolved in propyl alcohol first, obtain mixed liquor, be subsequently added into mixed liquor
The water that 3 times of volume is simultaneously transferred in reactor, and reaction condition is 145 DEG C, 800r/min, 2MPa, and the reaction time is 1h, reaction knot
Shu Hou, temperature is down to 83 DEG C, adds laurate and 6- acetyl-o-methyl -2, the 2- dimethyl-tertiary fourth of DOX-acetic acid
Ester, stands after stirring 10min；
(2) then it is centrifuged, centrifugal rotational speed is 10000r/min, centrifugation time is 5min, and supernatant is taken after centrifugation, is added
Plus sodium sulphate, potassium hydroxide, D-Asp and polyethylene glycol, after stirring, temperature rises to 63 DEG C, is incubated 1h, finally drops
Warm to room temperature, paraffin oil seal is obtained final product.
Embodiment 3
Environment-friendly type quenching medium is used in a kind of antifriction alloy processing, it is characterised in that in parts by weight, be made up of following raw material：
10 parts of propyl alcohol, 5 parts of laurate, 0.9 part of stearic acid, 9 parts of sodium sulphate, 3 parts of potassium hydroxide, 21 parts of cornstarch, 6- acetyl oxygen
Methyl -2,2- dimethyl -1,3- dioxolanes -6 parts of tert-butyl acetate, 8 parts of D-Asp, 16 parts of palm oil, polyethylene glycol
10 parts.
A kind of antifriction alloy processing preparation method of environment-friendly type quenching medium, concretely comprises the following steps：
(1) stearic acid, cornstarch, palm oil are dissolved in propyl alcohol first, obtain mixed liquor, be subsequently added into mixed liquor
The water that 3 times of volume is simultaneously transferred in reactor, and reaction condition is 147 DEG C, 900r/min, 2.5MPa, and the reaction time is 1.5h, instead
After should terminating, temperature is down to 85 DEG C, adds laurate and 6- acetyl-o-methyl -2,2- dimethyl-DOX-acetic acid
The tert-butyl ester, stands after stirring 10min；
(2) then it is centrifuged, centrifugal rotational speed is 11000r/min, centrifugation time is 8min, and supernatant is taken after centrifugation, is added
Plus sodium sulphate, potassium hydroxide, D-Asp and polyethylene glycol, after stirring, temperature rises to 63 DEG C, is incubated 1h, finally drops
Warm to room temperature, paraffin oil seal is obtained final product.
Embodiment 4
Environment-friendly type quenching medium is used in a kind of antifriction alloy processing, it is characterised in that in parts by weight, be made up of following raw material：
11 parts of propyl alcohol, 6 parts of laurate, 1.1 parts of stearic acid, 9 parts of sodium sulphate, 4 parts of potassium hydroxide, 24 parts of cornstarch, 6- acetyl oxygen
Methyl -2,2- dimethyl -1,3- dioxolanes -8 parts of tert-butyl acetate, 10 parts of D-Asp, 17 parts of palm oil, polyethylene glycol
12 parts.
A kind of antifriction alloy processing preparation method of environment-friendly type quenching medium, concretely comprises the following steps：
(1) stearic acid, cornstarch, palm oil are dissolved in propyl alcohol first, obtain mixed liquor, be subsequently added into mixed liquor
The water that 3 times of volume is simultaneously transferred in reactor, and reaction condition is 154 DEG C, 1000r/min, 3MPa, and the reaction time is 2h, reaction
After end, temperature is down to 90 DEG C, adds laurate and 6- acetyl-o-methyl -2,2- dimethyl-DOX-acetic acid uncles
Butyl ester, stands after stirring 10min；
(2) then it is centrifuged, centrifugal rotational speed is 12000r/min, centrifugation time is 10min, and supernatant is taken after centrifugation,
Addition sodium sulphate, potassium hydroxide, D-Asp and polyethylene glycol, after stirring, temperature rises to 63 DEG C, is incubated 1h, finally
Room temperature is cooled to, paraffin oil seal is obtained final product.
Embodiment 5
Environment-friendly type quenching medium is used in a kind of antifriction alloy processing, it is characterised in that in parts by weight, be made up of following raw material：
13 parts of propyl alcohol, 7 parts of laurate, 1.4 parts of stearic acid, 10 parts of sodium sulphate, 4 parts of potassium hydroxide, 26 parts of cornstarch, 6- acetyl oxygen
Methyl -2,2- dimethyl -1,3- dioxolanes -8 parts of tert-butyl acetate, 10 parts of D-Asp, 17 parts of palm oil, polyethylene glycol
12 parts.
A kind of antifriction alloy processing preparation method of environment-friendly type quenching medium, concretely comprises the following steps：
(1) stearic acid, cornstarch, palm oil are dissolved in propyl alcohol first, obtain mixed liquor, be subsequently added into mixed liquor
The water that 3 times of volume is simultaneously transferred in reactor, and reaction condition is 154 DEG C, 1000r/min, 3MPa, and the reaction time is 2h, reaction
After end, temperature is down to 90 DEG C, adds laurate and 6- acetyl-o-methyl -2,2- dimethyl-DOX-acetic acid uncles
Butyl ester, stands after stirring 10min；
(2) then it is centrifuged, centrifugal rotational speed is 12000r/min, centrifugation time is 10min, and supernatant is taken after centrifugation,
Addition sodium sulphate, potassium hydroxide, D-Asp and polyethylene glycol, after stirring, temperature rises to 63 DEG C, is incubated 1h, finally
Room temperature is cooled to, paraffin oil seal is obtained final product.
Comparative example 1
Environment-friendly type quenching medium is used in a kind of antifriction alloy processing, it is characterised in that in parts by weight, be made up of following raw material：
10 parts of propyl alcohol, 5 parts of laurate, 0.9 part of stearic acid, 9 parts of sodium sulphate, 3 parts of potassium hydroxide, 21 parts of cornstarch, D- asparagus fern ammonia
8 parts of acid, 16 parts of palm oil, 10 parts of polyethylene glycol.
A kind of antifriction alloy processing preparation method of environment-friendly type quenching medium, concretely comprises the following steps：
(1) stearic acid, cornstarch, palm oil are dissolved in propyl alcohol first, obtain mixed liquor, be subsequently added into mixed liquor
The water that 3 times of volume is simultaneously transferred in reactor, and reaction condition is 147 DEG C, 900r/min, 2.5MPa, and the reaction time is 1.5h, instead
After should terminating, temperature is down to 85 DEG C, adds laurate, is stood after stirring 10min；
(2) then it is centrifuged, centrifugal rotational speed is 11000r/min, centrifugation time is 8min, and supernatant is taken after centrifugation, is added
Plus sodium sulphate, potassium hydroxide, D-Asp and polyethylene glycol, after stirring, temperature rises to 63 DEG C, is incubated 1h, finally drops
Warm to room temperature, paraffin oil seal is obtained final product.
Comparative example 2
Environment-friendly type quenching medium is used in a kind of antifriction alloy processing, it is characterised in that in parts by weight, be made up of following raw material：
10 parts of propyl alcohol, 0.9 part of stearic acid, 9 parts of sodium sulphate, 3 parts of potassium hydroxide, 21 parts of cornstarch, 6- acetyl-o-methyl -2,2- diformazans
Base -1,3- dioxolanes -6 parts of tert-butyl acetate, 16 parts of palm oil, 10 parts of polyethylene glycol.
A kind of antifriction alloy processing preparation method of environment-friendly type quenching medium, concretely comprises the following steps：
(1) stearic acid, cornstarch, palm oil are dissolved in propyl alcohol first, obtain mixed liquor, be subsequently added into mixed liquor
The water that 3 times of volume is simultaneously transferred in reactor, and reaction condition is 147 DEG C, 900r/min, 2.5MPa, and the reaction time is 1.5h, instead
After should terminating, temperature is down to 85 DEG C, adds 6- acetyl-o-methyl -2, and 2- dimethyl-DOX-tert-butyl acetate is stirred
Stood after mixing 10min；
(2) then it is centrifuged, centrifugal rotational speed is 11000r/min, centrifugation time is 8min, and supernatant is taken after centrifugation, is added
Plus sodium sulphate, potassium hydroxide and polyethylene glycol, after stirring, temperature rises to 63 DEG C, is incubated 1h, is finally cooled to room temperature, stone
Wax oil is sealed, and is obtained final product.
Comparative example 3
Environment-friendly type quenching medium is used in a kind of antifriction alloy processing, it is characterised in that in parts by weight, be made up of following raw material：
10 parts of propyl alcohol, 5 parts of laurate, 0.9 part of stearic acid, 6- acetyl-o-methyl -2,2- dimethyl -1,3- dioxolanes-acetic acid uncle
6 parts of butyl ester, 8 parts of D-Asp, 16 parts of palm oil, 10 parts of polyethylene glycol.
A kind of antifriction alloy processing preparation method of environment-friendly type quenching medium, concretely comprises the following steps：
(1) stearic acid, palm oil are dissolved in propyl alcohol first, obtain mixed liquor, be subsequently added into 3 times of mixeding liquid volume
Water is simultaneously transferred in reactor, and reaction condition is 110 DEG C, 600r/min, 2.5MPa, and the reaction time is 1.5h, after reaction terminates,
Temperature is down to 30 DEG C, adds laurate and 6- acetyl-o-methyl -2, and 2- dimethyl-DOX-tert-butyl acetate is stirred
Stood after mixing 10min；
(2) then it is centrifuged, centrifugal rotational speed is 11000r/min, centrifugation time is 8min, and supernatant is taken after centrifugation, is added
Plus D-Asp and polyethylene glycol, after stirring, temperature rises to 63 DEG C, is incubated 1h, is finally cooled to room temperature, paraffin oil sealing
Mouthful, obtain final product.
In sum, it is 40mm's to thickness by the quenching medium that prepared by embodiment of the present invention 1-5 and prepared by comparative example 1-3
40Cr steel plates are quenched, and quenching temperature is 542-567 DEG C in quenching medium prepared by embodiment of the present invention 1-5, after quenching,
The hardness for measuring 40Cr steel plates is HRC67-75, without cracking phenomena, diameter 400mm corundum wheels, rotating speed be 3000r/min,
Contact pressure is under conditions of 50KN, its rub proofness is 0.032~0.056mm3/h；Quenched in quenching medium prepared by comparative example 1-3
Fiery heating-up temperature is 582-630 DEG C, and after quenching, the hardness for measuring 40Cr steel plates is HRC43-52, there is cracking phenomena, in diameter
400mm corundum wheels, rotating speed be 3000r/min, contact pressure under conditions of 50KN, its rub proofness is 0.097~
0.121mm3/h。
The better embodiment to this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of this patent objective not be departed from
Make a variety of changes.
Claims (7)
1. environment-friendly type quenching medium is used in a kind of antifriction alloy processing, it is characterised in that in parts by weight, be made up of following raw material：Third
Alcohol 5-13 parts, laurate 2-7 parts, stearic acid 0.5-1.4 parts, sodium sulphate 7-10 parts, potassium hydroxide 2-4 parts, cornstarch 15-
26 parts, 6- acetyl-o-methyl -2,2- dimethyl -1,3- dioxolanes-tert-butyl acetate 3-8 parts, D-Asp 5-10 parts, palm fibre
10-17 parts, polyethylene glycol 8-12 parts of palmitic acid oil.
2. environment-friendly type quenching medium is used in antifriction alloy processing according to claim 1, it is characterised in that in parts by weight, by
Following raw material composition：Propyl alcohol 8-11 parts, laurate 4-6 parts, stearic acid 0.8-1.1 parts, sodium sulphate 8-9 parts, potassium hydroxide 2-4
Part, cornstarch 18-24 parts, 6- acetyl-o-methyl -2,2- dimethyl -1,3- dioxolanes-tert-butyl acetate 3-8 parts, D- days
Propylhomoserin 5-10 parts, palm oil 14-17 parts, polyethylene glycol 8-12 parts of winter.
3. environment-friendly type quenching medium is used in antifriction alloy processing according to claim 1, it is characterised in that in parts by weight, by
Following raw material composition：10 parts of propyl alcohol, 5 parts of laurate, 0.9 part of stearic acid, 9 parts of sodium sulphate, 3 parts of potassium hydroxide, cornstarch
21 parts, 6- acetyl-o-methyl -2,2- dimethyl -1,3- dioxolanes -6 parts of tert-butyl acetate, 8 parts of D-Asp, palm oil
16 parts, 10 parts of polyethylene glycol.
4. a kind of antifriction alloy as described in claim 1-3 is any is processed with the preparation method of environment-friendly type quenching medium, its feature
It is to concretely comprise the following steps：
(1) stearic acid, cornstarch, palm oil are dissolved in propyl alcohol first, obtain mixed liquor, be subsequently added into mixeding liquid volume
3 times of water is simultaneously transferred in reactor, and reaction condition is 140-154 DEG C, 800-1000r/min, 2-3MPa, and the reaction time is 1-
2h, after reaction terminates, temperature is down to 80-90 DEG C, adds laurate and 6- acetyl-o-methyl -2,2- dimethyl -1,3- dioxies
Penta ring-tert-butyl acetate, stands after stirring 10min；
(2) then it is centrifuged, centrifugal rotational speed is 10000-12000r/min, centrifugation time is 5-10min, and supernatant is taken after centrifugation
Liquid, addition sodium sulphate, potassium hydroxide, D-Asp and polyethylene glycol, after stirring, temperature rises to 63 DEG C, is incubated 1h, most
After be cooled to room temperature, paraffin oil seal is obtained final product.
5. antifriction alloy according to claim 4 is processed with the preparation method of environment-friendly type quenching medium, it is characterised in that specific
Reaction condition is 147 DEG C, 900r/min, 2.5MPa in step (1).
6. antifriction alloy according to claim 4 is processed with the preparation method of environment-friendly type quenching medium, it is characterised in that specific
Temperature is down to 85 DEG C in step (1).
7. antifriction alloy according to claim 4 is processed with the preparation method of environment-friendly type quenching medium, it is characterised in that specific
Centrifugal rotational speed is 11000r/min in step (2), and centrifugation time is 8min.
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-
2016
- 2016-12-05 CN CN201611101586.6A patent/CN106755813A/en not_active Withdrawn
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| CN102978357A (en) * | 2012-10-31 | 2013-03-20 | 高金菊 | Aqueous quenching agent for ultra-high carbon steel |
| CN103484623A (en) * | 2013-09-23 | 2014-01-01 | 无锡阳工机械制造有限公司 | Deformed steel bar slow-release quenching agent |
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| CN105907931A (en) * | 2016-06-16 | 2016-08-31 | 安庆市吉安汽车零件锻轧有限公司 | Quenching agent for wear-resistant shaft type part |
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| 彭其凤: "《热处理工艺及设计》", 31 August 1994 * |
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Application publication date: 20170531 |