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

A technology for adhesives and forgings, applied in the field of die forging, can solve problems such as unrealizable, achieve thermal balance, reduce work load, and reduce deformation resistance

Active Publication Date: 2011-06-15
CHINA ERZHONG GRP DEYANG HEAVY IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, how to determine the composition of these materials according to the material of the blank and the forging temperature, and then make them into fibers cannot be realized according to the existing ceramic fiber manufacturing technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0029] The thermal insulation adhesive for die forging of forgings of the present invention is made of the following components by weight percentage, organic silicon heat-resistant resin or organic titanium epoxy resin 20-40%, glass powder 20-40%, trisodium phosphate 0- 5%, 2-6% of anhydrous borax, 0-5% of graphite, 1-3% of floating aluminum powder slurry, 1-5% of aluminum magnesium silicate suspending agent, and 10-40% of xylene. Its preparation method comprises the following steps:

[0030] (1) Weigh organic silicon heat-resistant resin or organic titanium epoxy resin, glass powder, trisodium phosphate, anhydrous borax, graphite, floating aluminum powder slurry, aluminum magnesium silicate suspending agent, xylene in proportion;

[0031] (2) Glass powder, graphite, trisodium phosphate, anhydrous borax, floating aluminum powder slurry, magnesium aluminum silicate suspending agent and organosilicon heat-resistant powder with a weighing amount of 65%-85% in the above-mentioned ...

Embodiment 1

[0040] According to the weight of the prepared adhesive, weigh 35% of silicone heat-resistant resin, 38% of glass powder with a softening point of 850°C, 1% of trisodium phosphate, 3% of anhydrous borax, 1% of colloidal graphite, and 1% of floating aluminum powder , xylene 19%, aluminum magnesium silicate suspending agent 2%, then glass powder, colloidal graphite, trisodium phosphate, anhydrous borax, floating aluminum powder slurry, aluminum magnesium silicate suspending agent and 65% of the sample amount Silicone heat-resistant resin and xylene are placed in the reactor and fully stirred for more than 4 hours, then the mixture obtained by stirring is put into a sand mill for grinding, then transferred to the reactor, and the remaining silicone heat-resistant resin is added , xylene, and fully stirred to obtain an adhesive for die forging insulation materials.

[0041] Apply the obtained thermal insulation adhesive to the ceramic fiber blanket by roller coating, the thickness...

Embodiment 2

[0043] According to the weight of the prepared adhesive, weigh 40% of methylphenyl silicone resin, 22% of glass powder with a softening point of 700°C, 4% of anhydrous borax, 5% of graphite, 2.5% of floating aluminum powder, magnesium aluminum silicate Suspending agent 4, xylene 22.5%, then glass powder, colloidal graphite, trisodium phosphate, anhydrous borax, floating aluminum powder slurry, aluminum magnesium silicate suspending agent and sample weight 73%. The methyl phenyl silicone resin and xylene are placed in the reactor and stirred fully for more than 5 hours, and then the mixture obtained by stirring is put into a sand mill for grinding. After the fineness reaches below 30 μm, it is transferred to the reactor Add the remaining methyl phenyl silicone resin and xylene, and stir well to obtain the adhesive for die forging insulation materials.

[0044] Apply the obtained thermal insulation adhesive on the ceramic fiber blanket by rolling coating, the thickness of the co...

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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

technical field [0001] The invention relates to the technical field of die forging. In addition to being used as a common die forging, it is especially suitable for the heat preservation forming adhesive of high temperature alloys, titanium alloys and aluminum alloy die forgings used in large and complex aviation and aerospace equipment. . Background technique [0002] Forging, especially the thermal insulation material in the die forging process plays a key role in the product forming. The thermal insulation material for die forging with excellent performance can not only ensure the smooth progress of die forging, but also prolong the life of the die and improve the forming quality of the workpiece. Countries around the world have done a lot of research on this, and have formed technical methods to achieve heat preservation with coating materials, mainly including the "hard sheath" method and the "soft sheath" method. [0003] "Hard sheath" method, that is to use copper pl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/10C04B26/14
CPCC04B26/32C04B26/14
Inventor 白敏陈晓慈李蓬川任春媚李丹
Owner CHINA ERZHONG GRP DEYANG HEAVY IND
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