CN102092987A - Thermal-insulation adhesive for die-forging of forge pieces and preparation method thereof - Google Patents

Thermal-insulation adhesive for die-forging of forge pieces and preparation method thereof Download PDF

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Publication number
CN102092987A
CN102092987A CN 201010570922 CN201010570922A CN102092987A CN 102092987 A CN102092987 A CN 102092987A CN 201010570922 CN201010570922 CN 201010570922 CN 201010570922 A CN201010570922 A CN 201010570922A CN 102092987 A CN102092987 A CN 102092987A
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forging
insulation
caking agent
glass powder
thermal
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CN102092987B (en
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白敏�
陈晓慈
李蓬川
任春媚
李丹
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CNPC Bohai Equipment Manufacturing Co Ltd
Erzhong Deyang Heavy Equipment Co Ltd
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China Erzhong Group Deyang Heavy Industries Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/30Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds
    • C04B26/32Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds containing silicon
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02Macromolecular compounds
    • C04B26/10Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/14Polyepoxides

Abstract

The invention discloses a thermal-insulation adhesive for die-forging of forge pieces, which is used for forming die forging pieces and especially suitable for thermal-insulation forming of high-temperature alloy, titanium alloy and aluminum alloy die-forging pieces. The adhesive for thermal-insulation materials can form a continuous, uniform and compact film for thermal insulation and lubrication on the surface of a forge piece. The adhesive disclosed by the invention is prepared from the following components in percentage by weight: 20-40% of organosilicon heat-resistant resin or organic titanium epoxy resin, 20-40% of glass powder, 0-5% of trisodium phosphate, 2-6% of anhydrous borax, 0-5% of graphite, 1-3% of leafing aluminum paste, 1-5% of magnesium aluminum silicate suspending agent and 10-40% of xylene. The invention can accurately control the forging temperature, reduce the number of times of blank returning, prolong the forgeable time each time, lower the cost of the used coating materials, widen the optional range of the thermal-insulation coating materials, and the like. Meanwhile, the invention also provides a preparation method of the thermal-insulation adhesive.

Description

The forging die forging is with being incubated caking agent and preparation method thereof
Technical field
The present invention relates to the die-forging forming technical field, except that the stamp work that can be used as one, be particularly suitable for the caking agent that the insulation of the superalloy, titanium alloy and the aluminium alloy stamp work that use in the large complicated Aeronautics and Astronautics apparatus is shaped.
Background technology
Forge particularly that the lagging material of die forging process has keying action to product shaping, the die forging of excellent property can not only guarantee that with lagging material die forging successfully carries out, and can also prolong the life-span of mould, improves the component shaping quality.A large amount of research has all been carried out in countries in the world to this, formed the technical approach of realizing insulation with coating material, mainly contains " Hard Roll cover " method and " Soft Roll cover " method.
" Hard Roll cover " method promptly adopts copper coin or general steel plate or stainless steel plate, by being welded into copper sheathing or stainless steel sleeve, adiabatic cotton being coated on again and loading onto these metallic sheaths behind the alloy billet surface and heat and be incubated forging.As application number 86106477 " method of double-deck jacket extruding titanium alloy ", it is to wrap thin soft steel plate earlier and then wrap soft copper sheet on titanium alloy forging, there are many shortcomings in this method, sheath material can not be out of shape along with the forging metal deformation during as trivial operations, die forging, can only use efficient low etc.
And be incubated forging manufacturing technique without " the Soft Roll cover " of copper coin or stainless steel plate, and be to adopt to have " the Pasting adiabatic cotton " that lubricating function is held concurrently in insulation, be applicable to multiple heat processing techniques such as hammering, die forging, hot extrusion, hot rolling." Hard Roll cover " heat preservation technology relatively, " Soft Roll cover " has the following advantages: (1) cost is lower, and the jacket operation is more convenient; (2) can open wide when workpiece heats when simultaneously not wrapping adiabatic cotton, the workpiece heat-up rate is very fast; (3) the Pasting adiabatic cotton can not come off in the forging process, and follows forging stock distortion and be out of shape; (4) can carry out many fire in theory forges.As application number is 200510024208.8 " the hot-work forging method of the large-sized high-temperature alloy turbine disk ", is forging to be coated the back heat in stove, and many 3-6 hour heat-up time than routine its heat-up time.Application number is 200510024207.3 " the insulation hammer cogging method of GH742 alloy large steel ingot ", application number is 200520039486.6 " a kind of Pasting adiabatic cotton ", application number is " Pasting adiabatic cotton and preparation method thereof " of 200510023801.0, application number is 200710042561.8 " a kind of superalloy die forging method ", application number is that the disclosed technology of these patent application documents of 200910032912.6 " a kind of method for upsetting high-temperature alloy round ingot " all is to make high temperature adhesive with the glass powder that is called two caking agents (starch and water glass) and softening temperature 700-850 ℃, ceramic fiber is coated to superalloy gets on to be placed on the stove internal heating, forge then.The results showed, all need use that also need long-time heating in stove after forging coats, unlimited one side is not wrapped adiabatic cotton reality can bring operational problem of later stage, does not often reach the ideal effect in actual use in the temperature below 200 ℃.Because also need forming one deck lubricant on the forging surface, " Soft Roll cover " help the forging moulding simultaneously, because of above-mentioned having now with water glass, borax is caking agent, the bubble that forms owing to the carbonic acid gas of at high temperature emitting, water vapor etc., make the forging surface can't form continuous, even, fine and close lubricant film, therefore can not give play to due lubrication.
Also having application number in the prior art is 200710118126.9 " heat-processing temperature-cntrolled heat-insulation material and its production and application ", make lagging material according to stating to be still with adiabatic cotton, adiabatic cotton is called the high temperature viscous layer with the surface that blank directly contacts, the surface that adiabatic cotton contacts with mould is called stratum basale, warm viscous layer during the part between stratum basale and the high temperature viscous layer is called.The high temperature viscous layer that contacts with blank under the action of compressive stress at press can produce higher unit elongation, stratum basale produces high ultimate compression strength, can avoid mould and blank directly to contact and produce violent friction, and contact closely with mould in the forging deformation process, can obtain requiring the forging of shape and size.In warm viscous layer play a part bonding high temperature viscous layer, stratum basale and adjusting their the distortion.Therefore the trilaminate material that has difference in functionality in same adiabatic cotton, the composition of this trilaminate material, structure are all different, so its complex process is not easy to use in the forging processing.
Up to the present, the problem that above-mentioned patent can't be used is: will produce lubrication when the high temperature viscous layer contacts with blank in the die forging deformation process, composition in the viscous layer must be melt into vitreous state, and this glass state material also needs to bond to voluntarily blank surface, shear flow takes place under action of compressive stress, so that blank, the high temperature viscous layer, deform between the stratum basale etc., under violent condition, be out of shape and be kept perfectly again, prevent from blank and mould directly to be contacted cause the frictional resistance increase because lagging material breaks, blank temperature descends fast, thereby makes this multilayer materials play lubricated insulation effect.And suitable viscosity is relevant with temperature.Such as the high temperature viscous layer that is used for superalloy reach appropriate viscosity temperature one more than 1050 ℃, be used for the Titanium Alloys at High Temperature viscous layer and reach the temperature of appropriate viscosity more than 750 ℃.Therefore how to determine the composition of these materials, and then they are made fiber all can't realize according to existing ceramic fiber manufacturing technology according to blank material, forging temperature.
Summary of the invention
At the problems referred to above that prior art exists, technical problem to be solved by this invention provides and can form continuous, even, the fine and close lagging material caking agent that plays the film of insulation, lubrication of one deck on the forging surface.
The present invention solves the forging die forging insulation caking agent that its technical problem adopts, comprise following component by weight percentage, organosilicon heat stable resin or organotitanium epoxy resin 20-40%, glass powder 20-40%, tertiary sodium phosphate 0-5%, Borax pentahydrate, 2-6%, graphite 0-5%, floating type aluminum paste 1-3%, magnesium aluminum silicate suspension agent 1-5%, dimethylbenzene 10-40%.
Described silicone resin is the aminomethyl phenyl silicone resin.
The softening temperature of the glass powder in the insulation caking agent that the superalloy forging uses the softening temperature of the glass powder more than 850 ℃, in the insulation caking agent that uses of titanium alloy forging at the softening temperature of the glass powder more than 700 ℃, in the insulation caking agent that uses of aluminium gold forging more than 300 ℃.
Described graphite is oildag.
The present invention also provides a kind of method for preparing the forging die forging with the insulation caking agent, may further comprise the steps:
(1) takes by weighing organosilicon heat stable resin or organotitanium epoxy resin, dimethylbenzene, glass powder, graphite, tertiary sodium phosphate, Borax pentahydrate, floating type aluminum paste, magnesium aluminum silicate suspension agent in proportion;
(2) will claim above-mentioned materials in the organosilicon heat stable resin of glass powder, graphite, tertiary sodium phosphate, Borax pentahydrate, floating type aluminum paste, magnesium aluminum silicate suspension agent and sample weighting amount 65%-85% or organotitanium epoxy resin, dimethylbenzene place reactor fully to stir more than 4 hours;
(3) mixture that again step (2) is obtained is put into sand mill and is ground;
(4) mixture that grinds after finishing is transferred in the reactor, adds remaining organosilicon heat stable resin or organotitanium epoxy resin, dimethylbenzene, fully stirs promptly.
Further improve, the fineness that the mixture in the step (3) grinds in sand mill is less than 30 μ m.
Further improve, the churning time in the step (2) in reactor is more than 4 hours.
The present invention compared with prior art has following advantage:
With forging die forging of the present invention insulation caking agent, adopt brush, rolls, method handle such as electrostatic spraying is coated onto the ceramic fiber surface as the material material of caking agent, forging places the surface to scribble on the ceramic fiber of caking agent after the process furnace internal heating is come out of the stove to temperature immediately and coats, promptly do not forge after the coating and need place the process furnace internal heating again, thereby forging can be because of contacting the purpose that heat radiation realizes insulation in air or with mould, and the lubricant in the caking agent guarantee to form on the forging surface one deck continuously, evenly, the fine and close film that plays insulation, lubrication.
The high-temperature heat-resistance resin that contains in the caking agent has guaranteed ceramic fiber, and all energy is successful bonding under differing temps, has guaranteed that also ceramic fiber contacts the back and forms continuous, even, the fine and close film that plays insulation, lubrication of one deck with the forging surface; Not moisture in the coating, not therefore forging can be and radiating and cooling, so do not need to advance again the process furnace heating, the a small amount of solvent that contains in the coating, aluminium powder contact the heat that the back generates with forging, offset forging come out of the stove the back dispersed heat, realized the thermal equilibrium of forging, guaranteed that the initial forging temperature of forging does not reduce because of the coating ceramic fiber.
1. heavy froging die forging of the present invention is compared with caking agent of the prior art with the insulation caking agent, it all has one deck continuously, evenly to play the liquid film of insulation, lubrication at the whole textured surface of forging, can effectively reduce the resistance to deformation of forging, reduce the working load of press, guarantee to be met the large-scale stamp work of specification of quality.The actual procedure of lubrication theory and die forging all proves, when the stamp work surface has only the part lubricant, no matter this part lubricant is originally to be fixed on the heat insulation material surface or with powder type to remove from the teeth outwards, the lubricant of these part surfaces can't flow to other surface and gets in die forging process, more impossible flowing on the surface that forging newly bears, alternate liquid film does not have lubrication.
2. different materials has different variations that different fusing points is also arranged under different temperature.Heavy froging die forging of the present invention is compared with caking agent of the prior art with the insulation caking agent, it selects the caking agent of heterogeneity for use to different forging temperatures, different forging materials, rather than use a kind of changeless caking agent, so just can guarantee to obtain firm adhesion to different forging temperatures, different forging material lagging materials, the forging surface can both obtain the liquid film that one deck continuously, evenly plays insulation, lubrication
3. heavy froging die forging of the present invention is compared with caking agent of the prior art with the insulation caking agent, owing at high temperature can not generate gases such as a large amount of water vapour, carbonic acid gas, therefore can form the liquid film that continuously, evenly plays insulation, lubrication on the forging surface.
4. heavy froging die forging of the present invention is compared with caking agent of the prior art with the insulation caking agent, it be not before forging enters process furnace, under lower temperature, just must use caking agent the lagging material bag to forging, but before forging heating back die forging, wrap the caking agent that the surface has one deck to have lubricating function, carry out die forging immediately.Promptly use insulation lubricant of the present invention, can more accurately control forging temperature, reduce blank and melt down number of times, prolong the malleable time of every fire.
Because any material with heat insulation function must have the adiabatic performance, promptly has the performance that stops heat to enter, will stop forging to be heated like this, prolong the heat-up time of forging in stove significantly, make with the forging of going up lagging material and in stove, be heated for a long time, so not only cause energy dissipation to extend manufacture cycle, and be unfavorable for obtaining the tiny forging of crystal grain.
5. heavy froging die forging of the present invention is compared with caking agent of the prior art with the insulation caking agent, uses more conveniently, has more operability.Still there are not the practical situation that promptly form liquid film in the following short period of time of forging temperature according to the existing ceramic fiber of producing, only use different pottery (being silicate) fiber to can not get lubricant film, and the composite ceramics fiber that will obtain difference in functionality such as high temperature viscous layer, middle temperature viscous layer, permeation barrier etc. on not only possessing skills obstacle and also cost economically is also very expensive is difficult to carry out.
6. heavy froging die forging of the present invention has successfully solved the technical barrier that uses Soft Roll cover lagging materials such as ceramic fiber with the insulation caking agent, overcome the loaded down with trivial details and defective that to weld with coating forging blanks such as mild steel plate or stainless steel, copper sheets, reduce the cost that uses coating material, enlarged the scope of selecting for use of thermal insulation coating material.
Embodiment
Forging die forging of the present invention is with being incubated caking agent, comprise that by weight percentage following component makes, organosilicon heat stable resin or organotitanium epoxy resin 20-40%, glass powder 20-40%, tertiary sodium phosphate 0-5%, Borax pentahydrate 2-6%, graphite 0-5%, floating type aluminum paste 1-3%, magnesium aluminum silicate suspension agent 1-5%, dimethylbenzene 10-40%.Its preparation method may further comprise the steps:
(1) takes by weighing organosilicon heat stable resin or organotitanium epoxy resin, glass powder, tertiary sodium phosphate, Borax pentahydrate, graphite, floating type aluminum paste, magnesium aluminum silicate suspension agent, dimethylbenzene in proportion;
(2) will claim above-mentioned materials in the organosilicon heat stable resin of glass powder, graphite, tertiary sodium phosphate, Borax pentahydrate, floating type aluminum paste, magnesium aluminum silicate suspension agent and sample weighting amount 65%-85% or organotitanium epoxy resin, dimethylbenzene place reactor fully to stir more than 4 hours;
(3) mixture that again above-mentioned steps (2) is obtained is put into sand mill and is ground;
(4) mixture that grinds after finishing is transferred in the reactor, adds remaining organosilicon heat stable resin or organotitanium epoxy resin, dimethylbenzene, fully stirs promptly.
Described organosilicon heat stable resin is chosen as the methyl phenyl silicone resin with excellent resistant of high or low temperature.
Because the die forging temperature requirement difference of unlike material, for can both form on forging surface continuously in different temperature environments, evenly, the fine and close film that plays insulation, lubrication, the softening temperature of the glass powder in the insulation caking agent that the superalloy forging uses the softening temperature of the glass powder more than 850 ℃, in the insulation caking agent that uses of titanium alloy forging at the softening temperature of the glass powder more than 700 ℃, in the insulation caking agent that uses of aluminium gold forging more than 300 ℃.
In order to improve the film forming lubricity of caking agent, described graphite is selected oildag, and also the fineness that the mixture in the step (3) can be ground in sand mill is controlled at less than 30 μ m.
In order to guarantee the abundant stirring of step (2) in reactor, churning time is more than 4 hours.
In order to reduce organosilicon heat stable resin, organotitanium epoxy resin, the loss of dimethylbenzene in step (2), guarantee content in the caking agent, therefore organosilicon heat stable resin, organotitanium epoxy resin, dimethylbenzene are added at twice, promptly in step (4), add remaining component.
Embodiment one:
Take by weighing organosilicon heat stable resin 35% according to preparation caking agent weight, the glass powder 38% that softening temperature is 850 ℃, tertiary sodium phosphate 1%, Borax pentahydrate 3%, oildag 1%, floating type aluminum paste 1%, dimethylbenzene 19%, magnesium aluminum silicate suspension agent 2%, then with glass powder, oildag, tertiary sodium phosphate, Borax pentahydrate, floating type aluminum paste, the organosilicon heat stable resin of magnesium aluminum silicate suspension agent and sample weighting amount 65%, dimethylbenzene places reactor fully to stir more than 4 hours, the mixture that stirring is obtained is put into sand mill and is ground then, transfer in the reactor again, and add remaining organosilicon heat stable resin, dimethylbenzene fully stirs and promptly gets die forging lagging material caking agent.
The method of the above-mentioned insulation caking agent that obtains with roller coating is applied on the ceramic fiber blanket, and coat-thickness 0.2mm wraps it Heating temperature then and is on 1150 ℃ 4169 superalloys.
Embodiment two:
Take by weighing glass powder 22%, Borax pentahydrate 4%, graphite 5%, floating type aluminum paste 2.5%, magnesium aluminum silicate suspension agent 4, the dimethylbenzene 22.5% of 700 ℃ of aminomethyl phenyl silicone resins 40%, softening temperature according to preparation caking agent weight, then with glass powder, oildag, tertiary sodium phosphate, Borax pentahydrate, floating type aluminum paste, magnesium aluminum silicate suspension agent and sample weighting amount 73%.Aminomethyl phenyl silicone resin, dimethylbenzene place reactor fully to stir more than 5 hours, the mixture that stirring is obtained is put into sand mill and is ground then, after treating that fineness reaches below the 30 μ m, transfer in the reactor again, and add remaining aminomethyl phenyl silicone resin, dimethylbenzene, fully stir and promptly get die forging lagging material caking agent.
The method of the above-mentioned insulation caking agent that obtains with roller coating is applied on the ceramic fiber blanket, and coat-thickness 0.2mm wraps it Heating temperature then and is on 950 ℃ the titanium alloy.
Embodiment three:
Take by weighing organosilicon heat stable resin 21% according to preparation caking agent weight, the glass powder 26% that softening temperature is 300 ℃, tertiary sodium phosphate 5%, Borax pentahydrate 5%, floating type aluminum paste 2%, magnesium aluminum silicate suspension agent 4%, dimethylbenzene 37%, then with glass powder, tertiary sodium phosphate, Borax pentahydrate, floating type aluminum paste, the organosilicon heat stable resin of magnesium aluminum silicate suspension agent and sample weighting amount 80%, dimethylbenzene places reactor fully to stir more than 4 hours, the mixture that stirring is obtained is put into sand mill and is ground then, after treating that fineness reaches below the 30 μ m, transfer in the reactor again, and add remaining organosilicon heat stable resin, dimethylbenzene fully stirs and promptly gets die forging lagging material caking agent.
The above-mentioned insulation caking agent that obtains is applied on the adiabatic cotton with electrostatic coating method, and coat-thickness 0.3mm wraps it Heating temperature then and is on 600 ℃ the aluminium alloy.
Embodiment four:
Take by weighing organotitanium epoxy resin 25% according to preparation caking agent weight, the glass powder 40% that softening temperature is 850 ℃, tertiary sodium phosphate 1%, Borax pentahydrate 2%, oildag 3%, floating type aluminum paste 3%, magnesium aluminum silicate suspension agent 1%, dimethylbenzene 25%, then with glass powder, tertiary sodium phosphate, Borax pentahydrate, floating type aluminum paste, the organotitanium epoxy resin of magnesium aluminum silicate suspension agent and sample weighting amount 85%, dimethylbenzene places reactor fully to stir more than 2 hours, the mixture that stirring is obtained is put into sand mill and is ground then, after treating that fineness reaches below the 30 μ m, transfer in the reactor again, and add remaining organotitanium epoxy resin, dimethylbenzene fully stirs and promptly gets die forging lagging material caking agent.
The above-mentioned insulation caking agent that obtains is applied on the ceramic fiber blanket with brushing method, and coat-thickness 0.2mm wraps it Heating temperature then and is on 600 ℃ the aluminium alloy.
Embodiment five:
Take by weighing organotitanium epoxy resin 38% according to preparation caking agent weight, the glass powder 33% that softening temperature is 700 ℃, tertiary sodium phosphate 3%, Borax pentahydrate 6%, oildag 3%, floating type aluminum paste 2%, magnesium aluminum silicate suspension agent 5%, dimethylbenzene 10%, then with glass powder, tertiary sodium phosphate, Borax pentahydrate, floating type aluminum paste, the organotitanium epoxy resin of magnesium aluminum silicate suspension agent and sample weighting amount 70%, dimethylbenzene places reactor fully to stir more than 2 hours, the mixture that stirring is obtained is put into sand mill and is ground then, after treating that fineness reaches below the 30 μ m, transfer in the reactor again, and add remaining organotitanium epoxy resin, dimethylbenzene fully stirs and promptly gets die forging lagging material caking agent.
The above-mentioned insulation caking agent that obtains is applied on the ceramic fiber blanket with the roller coating method, and coat-thickness 0.4mm wraps it Heating temperature then and is on 950 ℃ the titanium alloy.
Embodiment six:
Take by weighing organotitanium epoxy resin 37% according to preparation caking agent weight, the glass powder 20% that softening temperature is 850 ℃, Borax pentahydrate 4%, graphite 4%, floating type aluminum paste 2%, magnesium aluminum silicate suspension agent 4%, dimethylbenzene 29%, then with glass powder, Borax pentahydrate, floating type aluminum paste, the organotitanium epoxy resin of magnesium aluminum silicate suspension agent and sample weighting amount 65%, dimethylbenzene places reactor fully to stir more than 4 hours, the mixture that stirring is obtained is put into sand mill and is ground then, after treating that fineness reaches below the 30 μ m, transfer in the reactor again, and add remaining organotitanium epoxy resin, dimethylbenzene fully stirs and promptly gets die forging lagging material caking agent.
The above-mentioned insulation caking agent that obtains is applied on the ceramic fiber blanket with the roller coating method, and coat-thickness 0.2mm wraps it on 1150 ℃ 4169 superalloys then.

Claims (7)

1. the forging die forging is with being incubated caking agent, it is characterized in that, comprise following component by weight percentage, organosilicon heat stable resin or organotitanium epoxy resin 20-40%, glass powder 20-40%, tertiary sodium phosphate 0-5%, Borax pentahydrate, 2-6%, graphite 0-5%, floating type aluminum paste 1-3%, magnesium aluminum silicate suspension agent 1-5%, dimethylbenzene 10-40%.
2. forging die forging according to claim 1 is characterized in that with the insulation caking agent described silicone resin is the aminomethyl phenyl silicone resin.
3. forging die forging according to claim 1 is characterized in that with the insulation caking agent: the softening temperature of the glass powder in the insulation caking agent that the superalloy forging uses the softening temperature of the glass powder more than 850 ℃, in the insulation caking agent that uses of titanium alloy forging at the softening temperature of the glass powder more than 700 ℃, in the insulation caking agent that uses of aluminium gold forging more than 300 ℃.
4. forging die forging according to claim 1 is characterized in that with the insulation caking agent described graphite is oildag.
5. prepare the method for forging die forging according to claim 1, may further comprise the steps with the insulation caking agent:
(1) takes by weighing organosilicon heat stable resin or organotitanium epoxy resin, dimethylbenzene, glass powder, graphite, tertiary sodium phosphate, Borax pentahydrate, floating type aluminum paste, magnesium aluminum silicate suspension agent in proportion;
(2) will claim above-mentioned materials in the organosilicon heat stable resin of glass powder, graphite, tertiary sodium phosphate, Borax pentahydrate, floating type aluminum paste, magnesium aluminum silicate suspension agent and sample weighting amount 65%-85% or organotitanium epoxy resin, dimethylbenzene place reactor fully to stir;
(3) mixture that again step (2) is obtained is put into sand mill and is ground;
(4) mixture that grinds after finishing is transferred in the reactor, adds remaining organosilicon heat stable resin or organotitanium epoxy resin, dimethylbenzene, fully stirs promptly.
6. the method for preparing the forging die forging with the insulation caking agent according to claim 5 is characterized in that the fineness that the mixture in the step (3) grinds is less than 30 μ m in sand mill.
7. the method for preparing the forging die forging with the insulation caking agent according to claim 5 is characterized in that the churning time in the step (2) in reactor is more than 4 hours.
CN 201010570922 2010-12-02 2010-12-02 Thermal-insulation adhesive for die-forging of forge pieces and preparation method thereof Active CN102092987B (en)

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CN113857400A (en) * 2021-08-19 2021-12-31 四川工程职业技术学院 Coating for TC18 titanium alloy hot die forging, heat-insulating composite material and preparation method thereof

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CN113500160A (en) * 2021-08-06 2021-10-15 湖南大学 Forging cloth capable of improving uniformity of titanium alloy surface structure and preparation method thereof
CN113857400A (en) * 2021-08-19 2021-12-31 四川工程职业技术学院 Coating for TC18 titanium alloy hot die forging, heat-insulating composite material and preparation method thereof
CN113857400B (en) * 2021-08-19 2024-02-13 四川工程职业技术学院 Coating for TC18 titanium alloy hot die forging, heat-insulating composite material and preparation method thereof

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