CN101698913B - Method for preparing low-melting-point alloy-coated ceramic-phase reinforced body/aluminum-matrix composite materials - Google Patents
Method for preparing low-melting-point alloy-coated ceramic-phase reinforced body/aluminum-matrix composite materials Download PDFInfo
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Abstract
The present invention provides a method for preparing low-melting-point alloy-coated ceramic-phase reinforced bodies/aluminum-matrix composite materials, which relates to a method for coating ceramic-phase reinforced bodies. The invention solves the problem that a sol-gel method is complex in the process of coating the surfaces of reinforced bodies with coatings. The method comprises the following steps: adding two or more than two of bismuth nitrate aqueous solution, lead nitrate aqueous solution, indium chloride aqueous solution and stannic chloride aqueous solution to dilute nitric acid solution and adding the obtained liquid mixture and ammonia solution dropwise to reinforced-body solution till the pH is between 6 and 14; preparing reinforced bodies into prefabricated pieces and preserving heat at a temperature between 350 and 1,100 DEG C; obtaining the ceramic-phase reinforced bodies coated with metal oxide; and preparing the composite materials by utilizing a squeeze casting method. The method is simple in process and shortens the production cycle of the composite materials. The damping value of the aluminum-matrix composite materials obtained by applying the method is 0.016 to 0.018 at 25 DEG C on a frequency of 70 Hz.
Description
Technical field
The present invention relates to a kind of preparation technology of aluminum matrix composite of high damping.
Background technology
The interface is that aluminum matrix composite is distinctive and be extremely important integral part, in the research of metal-base composites, the interface that strengthens body and matrix is the focus that people pay close attention to all the time, the various countries scientific worker has invented miscellaneous method through trial for many years and has strengthened the different coating of surface coating, improve the metal-base composites interface structure, to reach the purpose that improves the aluminum matrix composite performance.Adopt sol-gel process in the complex process that strengthens the surface applying coating, need carry out twice and twice above coating, and twice above sintering process, therefore cause the matrix material production cycle long (about about 7 days), the coating uniformity that adopts this method to obtain in addition is poor, is difficult for obtaining the low melting point alloy coating.
Summary of the invention
Technical problem to be solved by this invention is in order to solve the problem of sol-gel process in the complex process that strengthens the surface applying coating, to provide a kind of low melting point alloy coated ceramic to strengthen the preparation method of body/aluminum matrix composite mutually.
The preparation method that low melting point alloy coated ceramic of the present invention strengthens body/aluminum matrix composite mutually is as follows: one, in the Bismuth trinitrate aqueous solution, the lead nitrate aqueous solution, the indium chloride aqueous solution and the tin chloride aqueous solution two or more added in the dilute nitric acid solution, obtain the pH value and be 1～8 mixed solution; Two, under the stirring velocity of 1r/min～300r/min, step 1 gained mixed solution and ammonia soln be added drop-wise to simultaneously in the aqueous solution that strengthens body to pH value be 6～14, stop dropping; Three, will become prefabricated component through the enhancing system that step 2 is handled, and then prefabricated component will be incubated 30min～120min under 350 ℃～1100 ℃ temperature, the ceramic phase that promptly obtains coated metal oxide strengthens body; Four, the ceramic phase of the coated metal oxide that step 3 is obtained enhancing body is put into mould, in mould, inject aluminium liquid then, be that 80MPa～200MPa, temperature are that 400 ℃～550 ℃, extrusion speed are extrusion casting 15min under the condition of 0.1cm/s～5cm/s at pressure again, promptly get the low melting point alloy coated ceramic and strengthen body/aluminum matrix composite mutually; The concentration that strengthens body in the aqueous solution of the described enhancing body of step 1 is 75g/L; The concentration of the aqueous solution of Bismuth trinitrate described in the step 1, the lead nitrate aqueous solution, the indium chloride aqueous solution and the tin chloride aqueous solution is 0.00001mol/L～5mol/L; The concentration of the described ammonia soln of step 2 is 0.00001mol/L～0.5mol/L; The mass percent of Sn element is 0～60% in the described mixed solution of step 1, the mass percent of Pb element is 0～70%, the mass percent of In element is 0～50%, the mass percent of Bi element is 0～60%, and wherein the mass percent of Sn element, Pb element, In element and Bi element is not 0 simultaneously; The described enhancing body of step 2 is aluminium borate whisker, magnesium borate crystal whisker, silicon carbide whisker or silicon-carbide particle.
The technology of the inventive method applying coating is simple, only need carry out the ceramic phase that primary coating and once sintered technology can obtain coated metal oxide and strengthen body, utilize the method for extrusion casting casting to prepare matrix material then, in the extrusion casting process, strengthen the low melting point alloy of acquisition at the interface of body/aluminum matrix composite mutually in the low melting point alloy coated ceramic by reaction in, therefore shortened the production cycle that the low melting point alloy coated ceramic strengthens body/aluminum matrix composite mutually, using the aluminum matrix composite that gained ceramic phase enhancing system of the present invention is equipped with is 25 ℃ in temperature, frequency is that the damping value under the condition of 70Hz is 0.016～0.018.
Description of drawings
Fig. 1 is the electron microscope photo scanning that embodiment two gained low melting point alloy coated ceramic strengthen body/aluminum matrix composite mutually; Fig. 2 is the aluminum matrix composite damping capacity curve comparison diagram that embodiment two gained low melting point alloy coated ceramic strengthen body/aluminum matrix composite damping capacity curve mutually and adopt the enhancing system of uncoated to be equipped with, the damping capacity curve of the aluminum matrix composite that the enhancing system of expression employing uncoated is equipped with, expression is that embodiment two gained low melting point alloy coated ceramic strengthen body/aluminum matrix composite damping capacity curve mutually.
Embodiment
Technical solution of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
Embodiment one: to strengthen the preparation method of body/aluminum matrix composite mutually as follows for the low melting point alloy coated ceramic in the present embodiment: one, in the Bismuth trinitrate aqueous solution, the lead nitrate aqueous solution, the indium chloride aqueous solution and the tin chloride aqueous solution two or more added in the dilute nitric acid solution, obtain the pH value and be 1～8 mixed solution; Two, under the stirring velocity of 1r/min～300r/min, step 1 gained mixed solution and ammonia soln be added drop-wise to simultaneously in the aqueous solution that strengthens body to pH value be 6～14, stop dropping; Three, will become prefabricated component through the enhancing system that step 2 is handled, and then prefabricated component will be incubated 30min～120min under 350 ℃～1100 ℃ temperature, the ceramic phase that promptly obtains coated metal oxide strengthens body; Four, the ceramic phase of the coated metal oxide that step 3 is obtained enhancing body is put into mould, in mould, inject aluminium liquid then, be that 80MPa～200MPa, temperature are that 400 ℃～550 ℃, extrusion speed are extrusion casting 15min under the condition of 0.1cm/s～5cm/s at pressure again, promptly get the low melting point alloy coated ceramic and strengthen body/aluminum matrix composite mutually; The concentration that strengthens body in the aqueous solution of the described enhancing body of step 1 is 75g/L; The concentration of the aqueous solution of Bismuth trinitrate described in the step 1, the lead nitrate aqueous solution, the indium chloride aqueous solution and the tin chloride aqueous solution is 0.00001mol/L～5mol/L; The concentration of the described ammonia soln of step 2 is 0.00001mol/L～0.5mol/L; The mass percent of Sn element is 0～60% in the described mixed solution of step 1, the mass percent of Pb element is 0～70%, the mass percent of In element is 0～50%, the mass percent of Bi element is 0～60%, and wherein the mass percent of Sn element, Pb element, In element and Bi element is not 0 simultaneously.
The described enhancing body of present embodiment step 2 is aluminium borate whisker, magnesium borate crystal whisker, silicon carbide whisker or silicon-carbide particle.
The preparation method that present embodiment low melting point alloy coated ceramic strengthens body/aluminum matrix composite mutually with the pressing machine extruding make aluminium be penetrated in the prefabricated component of handling through step 3 (this moment aluminium can be coated in the oxide compound generation reaction in that strengthens the surface, at the low melting point alloy of acquisition at the interface of matrix material).
Using present embodiment gained low melting point alloy coated ceramic, to strengthen body/aluminum matrix composite mutually be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment two: present embodiment and embodiment one are different, and to be that the low melting point alloy coated ceramic strengthens the preparation method of body/aluminum matrix composite mutually as follows: one, the Bismuth trinitrate aqueous solution, the lead nitrate aqueous solution, the indium chloride aqueous solution and the tin chloride aqueous solution are added in the dilute nitric acid solution, obtain the pH value and be 6 mixed solution; Two, the mixed solution of step 1 gained and ammonia soln are added drop-wise in the aqueous solution that strengthens body to pH value be 10, in the process of dropping with the speed stirring of 200r/min; Three, will become prefabricated component through the enhancing system that step 2 is handled, and then prefabricated component will be incubated 100min under 1000 ℃ temperature, the ceramic phase that promptly obtains coated metal oxide strengthens body; Four, the ceramic phase of the coated metal oxide that step 3 is obtained enhancing body is put into mould, in mould, inject aluminium liquid then, be that 80MPa～200MPa, temperature are that 400 ℃～550 ℃, extrusion speed are extrusion casting 15min under the condition of 0.1cm/s～5cm/s at pressure again, promptly get the low melting point alloy coated ceramic and strengthen body/aluminum matrix composite mutually; The concentration that strengthens body in the aqueous solution of the described enhancing body of step 1 is 75g/L; The concentration of the aqueous solution of Bismuth trinitrate described in the step 1, the lead nitrate aqueous solution, the indium chloride aqueous solution and the tin chloride aqueous solution is 3mol/L; The concentration of the described ammonia soln of step 2 is 0.4mol/L; The mass percent of Sn element is 12% in the described mixed solution of step 1, and the mass percent of Pb element is 18%, and the mass percent of In element is 21%, and the mass percent of Bi element is 49%.
Can see in the enhancing surface that the low melting point alloy coated ceramic strengthens in body/aluminum matrix composite mutually by Fig. 1 (present embodiment gained low melting point alloy coated ceramic strengthens the electron microscope photo scanning of body/aluminum matrix composite mutually) and evenly to apply the nano level small-particle.
In temperature is that 25 ℃, frequency are under the condition of 70Hz present embodiment gained low melting point alloy coated ceramic to be strengthened body/aluminum matrix composite mutually and carries out the damping capacity test with the aluminum matrix composite that the enhancing system that does not have coating is equipped with, test-results as shown in Figure 2, as shown in Figure 2, the aluminum matrix composite damping value that the enhancing system of employing uncoated is equipped with under the small strain condition is 0.003, and the damping value that the low melting point alloy coated ceramic of present embodiment gained strengthens body/aluminum matrix composite mutually is 0.017.
Embodiment three: present embodiment is different with embodiment one or two is that the pH value of regulator solution in the step 1 is 5.Other is identical with embodiment one or two.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment four: present embodiment and embodiment one to three are different is that the concentration of the aqueous solution of Bismuth trinitrate described in the step 1, the lead nitrate aqueous solution, the indium chloride aqueous solution and the tin chloride aqueous solution is 0.1mol/L～4.5mol/L.Other is identical with embodiment one to three.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment five: present embodiment and embodiment one to three are different is that the concentration of the aqueous solution of Bismuth trinitrate described in the step 1, the lead nitrate aqueous solution, the indium chloride aqueous solution and the tin chloride aqueous solution is 2mol/L.Other is identical with embodiment one to three.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment six: present embodiment and embodiment one to four are different is that the concentration of the described ammonia soln of step 2 is 0.1mol/L～0.4mol/L.Other is identical with embodiment one to four.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment seven: present embodiment and embodiment one to four are different is that the concentration of the described ammonia soln of step 2 is 0.3mol/L.Other is identical with embodiment one to four.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment eight: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 12%, the mass percent of Pb element is 18%, the mass percent of In element is 21%, and the mass percent of Bi element is 49%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment nine: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 20%, the mass percent of Pb element is 30%, the mass percent of In element is 0%, and the mass percent of Bi element is 50%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment ten: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 60%, the mass percent of Pb element is 0%, the mass percent of In element is 0%, and the mass percent of Bi element is 40%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 11: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 25%, the mass percent of Pb element is 25%, the mass percent of In element is 0%, and the mass percent of Bi element is 50%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 12: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 15.5%, the mass percent of Pb element is 32%, the mass percent of In element is 0%, and the mass percent of Bi element is 52.5%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 13: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 40%, the mass percent of Pb element is 20%, the mass percent of In element is 0%, and the mass percent of Bi element is 40%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 14: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 17.8%, the mass percent of Pb element is 32%, the mass percent of In element is 0%, and the mass percent of Bi element is 50.2%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 15: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 10%, the mass percent of Pb element is 40%, the mass percent of In element is 0%, and the mass percent of Bi element is 50%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 16: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 22%, the mass percent of Pb element is 28%, the mass percent of In element is 0%, and the mass percent of Bi element is 50%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 17: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 14.5%, the mass percent of Pb element is 28.5%, the mass percent of In element is 0%, and the mass percent of Bi element is 57%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 18: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 20%, the mass percent of Pb element is 40%, the mass percent of In element is 0%, and the mass percent of Bi element is 40%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 19: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 33.5%, the mass percent of Pb element is 33.5%, the mass percent of In element is 0%, and the mass percent of Bi element is 33%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 20: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 29.5%, the mass percent of Pb element is 47%, the mass percent of In element is 0%, and the mass percent of Bi element is 23.5%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 21: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 22%, the mass percent of Pb element is 51%, the mass percent of In element is 0%, and the mass percent of Bi element is 27%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 22: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 33%, the mass percent of Pb element is 40%, the mass percent of In element is 0%, and the mass percent of Bi element is 27%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 23: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 25%, the mass percent of Pb element is 60%, the mass percent of In element is 0%, and the mass percent of Bi element is 15%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 24: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 0%, the mass percent of Pb element is 50%, the mass percent of In element is 50%, and the mass percent of Bi element is 0%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 25: present embodiment and embodiment one to six are different is that the mass percent of Sn element in the described mixed solution of step 2 is 22%, the mass percent of Pb element is 66%, the mass percent of In element is 0%, and the mass percent of Bi element is 12%.Other is identical with embodiment one to six.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 26: present embodiment and embodiment one are different is that the pH value of regulator solution in the step 1 is 3～7.Other is identical with embodiment one.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 27: present embodiment and embodiment one are different is that the speed with 20r/min～280r/min stirs in the process of the described dropping of step 2.Other is identical with embodiment one.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 28: present embodiment and embodiment one are different is that the speed with 100r/min～200r/min stirs in the process of the described dropping of step 2.Other is identical with embodiment one.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 29: present embodiment and embodiment one are different is that the speed with 150r/min stirs in the process of the described dropping of step 2.Other is identical with embodiment one.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Embodiment 30: present embodiment and embodiment one are different is that the speed with 100r/min～200r/min stirs in the process of the described dropping of step 2.Other is identical with embodiment one.
Using present embodiment gained ceramic phase, to strengthen aluminum matrix composite that system is equipped be that 25 ℃, frequency are that damping value under the condition of 70Hz is 0.016～0.018 in temperature.
Claims (9)
1. the low melting point alloy coated ceramic strengthens the preparation method of body/aluminum matrix composite mutually, it is as follows to it is characterized in that the low melting point alloy coated ceramic strengthens the preparation method of body/aluminum matrix composite mutually: one, in the Bismuth trinitrate aqueous solution, the lead nitrate aqueous solution, the indium chloride aqueous solution and the tin chloride aqueous solution two or more added in the dilute nitric acid solution, obtain the pH value and be 1～8 mixed solution; Two, under the stirring velocity of 1r/min～300r/min, step 1 gained mixed solution and ammonia soln be added drop-wise to simultaneously in the aqueous solution that strengthens body to pH value be 6～14, stop dropping; Three, will become prefabricated component through the enhancing system that step 2 is handled, and then prefabricated component will be incubated 30min～120min under 350 ℃～1100 ℃ temperature, the ceramic phase that promptly obtains coated metal oxide strengthens body; Four, the ceramic phase of the coated metal oxide that step 3 is obtained enhancing body is put into mould, in mould, inject aluminium liquid then, be that 80MPa～200MPa, temperature are that 400 ℃～550 ℃, extrusion speed are extrusion casting 15min under the condition of 0.1cm/s～5cm/s at pressure again, promptly get the low melting point alloy coated ceramic and strengthen body/aluminum matrix composite mutually; The concentration that strengthens body in the aqueous solution of the described enhancing body of step 1 is 75g/L; The concentration of the aqueous solution of Bismuth trinitrate described in the step 1, the lead nitrate aqueous solution, the indium chloride aqueous solution and the tin chloride aqueous solution is 0.00001mol/L～5mol/L; The concentration of the described ammonia soln of step 2 is 0.00001mol/L～0.5mol/L; The mass percent of Sn element is 0～60% in the described mixed solution of step 1, the mass percent of Pb element is 0～70%, the mass percent of In element is 0～50%, the mass percent of Bi element is 0～60%, and wherein the mass percent of Sn element, Pb element, In element and Bi element is not 0 simultaneously; The described enhancing body of step 2 is aluminium borate whisker, magnesium borate crystal whisker, silicon carbide whisker or silicon-carbide particle.
2. low melting point alloy coated ceramic according to claim 1 strengthens the preparation method of body/aluminum matrix composite mutually, and the pH value that it is characterized in that regulator solution in the step 1 is 5.
3. low melting point alloy coated ceramic according to claim 2 strengthens the preparation method of body/aluminum matrix composite mutually, and the concentration that it is characterized in that the aqueous solution of Bismuth trinitrate described in the step 1, the lead nitrate aqueous solution, the indium chloride aqueous solution and the tin chloride aqueous solution is 0.1mol/L～4.5mol/L.
4. low melting point alloy coated ceramic according to claim 2 strengthens the preparation method of body/aluminum matrix composite mutually, and the concentration that it is characterized in that the aqueous solution of Bismuth trinitrate described in the step 1, the lead nitrate aqueous solution, the indium chloride aqueous solution and the tin chloride aqueous solution is 2mol/L.
5. strengthen the preparation method of body/aluminum matrix composite mutually according to claim 1 or 3 described low melting point alloy coated ceramic, the concentration that it is characterized in that the described ammonia soln of step 2 is 0.1mol/L～0.4mol/L.
6. strengthen the preparation method of body/aluminum matrix composite mutually according to claim 1 or 3 described low melting point alloy coated ceramic, the concentration that it is characterized in that the described ammonia soln of step 2 is 0.3mol/L.
7. low melting point alloy coated ceramic according to claim 5 strengthens the preparation method of body/aluminum matrix composite mutually, the mass percent that it is characterized in that Sn element in the described mixed solution of step 2 is 12%, the mass percent of Pb element is 18%, the mass percent of In element is 21%, and the mass percent of Bi element is 49%.
8. low melting point alloy coated ceramic according to claim 5 strengthens the preparation method of body/aluminum matrix composite mutually, the mass percent that it is characterized in that Sn element in the described mixed solution of step 2 is 20%, the mass percent of Pb element is 30%, the mass percent of In element is 0%, and the mass percent of Bi element is 50%.
9. low melting point alloy coated ceramic according to claim 5 strengthens the preparation method of body/aluminum matrix composite mutually, the mass percent that it is characterized in that Sn element in the described mixed solution of step 2 is 60%, the mass percent of Pb element is 0%, the mass percent of In element is 0%, and the mass percent of Bi element is 40%.
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| CN102433519B (en) * | 2011-12-21 | 2013-11-20 | 哈尔滨工业大学 | Method for coating zinc tungstate on surface of ceramic phase reinforcement |
| CN102887712B (en) * | 2012-11-07 | 2013-10-30 | 哈尔滨工业大学 | Preparation method of surface nano aluminum oxide coating of ceramic-phase enhancer |
| CN103397282B (en) * | 2013-08-13 | 2015-08-19 | 哈尔滨理工大学 | The preparation method of nano zircite coating aluminium borate whisker/aluminum matrix composite |
| CN104388763A (en) * | 2014-11-04 | 2015-03-04 | 苏州经贸职业技术学院 | Aluminum alloy material and preparation method thereof |
| CN107400839A (en) * | 2017-06-28 | 2017-11-28 | 苏州派瑞美德汽车配件有限公司 | High duty metal based composites for plant equipment |
| CN109112444B (en) * | 2018-10-31 | 2019-11-05 | 哈尔滨工业大学 | A kind of silicon carbide whisker reinforced aluminum matrix composites isothermal multiway forging method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1124308A (en) * | 1995-06-20 | 1996-06-12 | 上海交通大学 | Technology for carbon fibre single-way reinforced aluminium base composite material |
| CN1648270A (en) * | 2005-01-31 | 2005-08-03 | 哈尔滨工业大学 | Dibismuth trioxide enveloped ceramic phase reinforced aluminium base composite material |
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