US20110297549A1 - Aluminum alloy-and-resin composite and method for making the same - Google Patents
Aluminum alloy-and-resin composite and method for making the same Download PDFInfo
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- US20110297549A1 US20110297549A1 US13/087,500 US201113087500A US2011297549A1 US 20110297549 A1 US20110297549 A1 US 20110297549A1 US 201113087500 A US201113087500 A US 201113087500A US 2011297549 A1 US2011297549 A1 US 2011297549A1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14311—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using means for bonding the coating to the articles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/02—Polythioethers; Polythioether-ethers
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/46—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing oxalates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/82—After-treatment
- C23C22/83—Chemical after-treatment
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/32—Alkaline compositions
- C23F1/36—Alkaline compositions for etching aluminium or alloys thereof
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/16—Pretreatment, e.g. desmutting
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
- B29K2705/02—Aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/28—Glass
Definitions
- the present disclosure relates to composites of aluminum alloy and resin, particularly to an aluminum alloy-and-resin composite having high bonding strength between aluminum alloy and resin and a method for making the composite.
- Adhesives for combining heterogeneous materials in the form of a metal (such as light metals) and a synthetic resin are demanded in a wide variety of technical fields and industries, such as the automotive and household appliance fields.
- adhesives are generally only effective in a narrow temperature range of about ⁇ 50° C. to about 100° C., which means they are not suitable in applications where operating or environmental temperatures may fall outside the range.
- FIG. 1 is a cross-section view of an exemplary embodiment of a composite of anodized aluminum alloy and resin.
- FIG. 2 is a scanning electron microscopy view of an exemplary embodiment of the anodized aluminum alloy.
- FIG. 3 is a scanning electron microscopy cross-section view of the composite shown in FIG. 1 .
- FIG. 4 is a cross-section view of molding the composite shown in FIG. 1 .
- FIG. 1 shows an aluminum alloy-and-resin composite 100 according to an exemplary embodiment.
- the aluminum alloy-and-resin composite 100 includes an aluminum alloy substrate 11 , an anodic oxide film 13 formed on a surface of the aluminum alloy substrate 11 , and resin compositions 15 formed on the anodic oxide film 13 .
- the anodic oxide film 13 is formed by anodizing the aluminum alloy substrate 11 . Referring to FIG. 2 , the anodic oxide film 13 defines nano-pores 131 . These nano-pores 131 have an average diameter of 30-60 nm. The nano-pores 131 are symmetrically distributed in the anodic oxide film 13 .
- the resin composition 15 may be coupled to the anodic oxide film 13 by molding. During the molding process, molten resin coats surfaces of the anodic oxide film 13 and fills the nano-pores 131 , thus strongly bonding the resin composition 15 to the anodic oxide film 13 . Compared to the conventional injection molding process using non-anodic film, the composite 100 in this exemplary embodiment has a much stronger bond between the resin composition 15 and the substrate 11 (about quintuple bonding force).
- the resin composition 15 may be made up of crystalline thermoplastic synthetic resins having high fluidity.
- polyphenylene sulfide (PPS), polyamide (PA), polyethylene terephthalate (PET), and polybutylene terephthalate (PBT) can be selected as the molding materials for the resin composition 15 , and all of the resins can bond firmly with the anodic oxide film 13 and the substrate 11 .
- auxiliary components may be added to the resins to modify properties of the composition 15 , for example, fiberglass may be added to PPS.
- the fiberglass may have a mass percentage of about 10-50%.
- FIG. 3 shows a scanning electron microscopy cross-sectional view of the composite 100 .
- FIG. 3 shows a scanning electron microscopy cross-sectional view of the composite 100 .
- almost no cracks are observed between the resin composition 15 and the anodic oxide film 13 , clearly demonstrating that the resin composition 15 tightly bonds to the anodic oxide film 13 and fills the nano-pores 131 .
- a method for making the composite 100 may include the following steps:
- the aluminum alloy substrate 11 is provided.
- the substrate 11 is degreased.
- the degreasing process may include the step of dipping the substrate 11 in a sodium salt solution for about 5-15 minutes.
- the sodium salt solution may include sodium carbonate having a concentration of about 30-50 grams per liter (g/L), sodium phosphate having a concentration of about 30-50 g/L, and sodium silicate having a concentration of about 3-5 g/L.
- the temperature of the sodium salt solution may be about 50-60° C.
- the surface of the substrate 11 is roughened.
- Roughening the substrate 11 may include the step of chemically etching.
- the chemical etching process may include the step of dipping the substrate 11 in an alkaline solution for about 1-2 minutes.
- the alkaline solution may include sodium hydroxide having a concentration of about 20-35 g/L, and sodium carbonate having a concentration of about 20-30 g/L.
- the temperature of the alkaline solution may be about 40-55° C.
- the chemical etching process roughens the surface of the substrate 11 so that it will be more uniformly anodized and to obtain a narrower range of diameters of the nano-pores 131 of the anodic oxide film 13 .
- the substrate 11 is removed from the alkaline solution and rinsed in water.
- the substrate 11 is anodized to form the anodic oxide film 13 .
- the anodizing process may be carried out in a sulfuric acid solution, with the substrate 11 being an anode, and a stainless steel board or a lead plate being a cathode.
- the sulfuric acid solution may have a concentration of about 100-250 ml/L.
- the electric current density through the sulfuric acid solution is about 0.5-4.9 A/dm 2 .
- Anodizing the substrate 11 may last for about 15-60 minutes. Then, the substrate 11 is rinsed in water and then dried.
- anodizing process can also be carried out in a phosphoric acid solution or an oxalic acid solution.
- an injection mold 20 is provided.
- the injection mold 20 includes a core insert 23 and a cavity insert 21 .
- the core insert 23 defines several gates 231 , and several first cavities 233 .
- the cavity insert 21 defines a second cavity 211 for receiving the substrate 11 .
- the anodized substrate 11 is located in the second cavity 211 , and molten resin is injected through the gates 231 to coat the surface of the anodic oxide film 13 and fill the nano-pores 131 , and finally fill the first cavities 233 to form the resin compositions 15 , as such, the composite 100 is formed.
- the molten resin may be crystalline thermoplastic synthetic resins having high fluidity, such as PPS, PA, PET, and PBT.
- the injection mold may be at a temperature of about 120-170° C.
- Tensile strength and shear strength of the composite 100 have been tested. The tests indicate that the tensile strength of the composite 100 is greater than 8 MPa, and the shear strength of the composite 100 is greater than 15 MPa. Furthermore, the composite 100 has been subjected to a temperature humidity bias test (72 hours, 85° C., relative humidity: 85%) and a thermal shock test (48 hours, ⁇ 40-85° C., 4 hours/cycle, 12 cycles total), such testing did not result in decreased tensile strength and shear strength of the composite 100 .
- a temperature humidity bias test 72 hours, 85° C., relative humidity: 85%
- a thermal shock test 48 hours, ⁇ 40-85° C., 4 hours/cycle, 12 cycles total
Abstract
Description
- This application is one of the two related co-pending U.S. patent applications listed below. All listed applications have the same assignee. The disclosure of each of the listed applications is incorporated by reference into another listed application.
-
Attorney Docket No. Title Inventors US 33056 ALUMINUM ALLOY-AND-RESIN WEN-RONG COMPOSITE AND METHOD CHEN et al. FOR MAKING THE SAME US 33709 ALUMINUM ALLOY-AND-RESIN WEN-RONG COMPOSITE AND METHOD CHEN et al. FOR MAKING THE SAME - 1. Technical Field
- The present disclosure relates to composites of aluminum alloy and resin, particularly to an aluminum alloy-and-resin composite having high bonding strength between aluminum alloy and resin and a method for making the composite.
- 2. Description of Related Art
- Adhesives, for combining heterogeneous materials in the form of a metal (such as light metals) and a synthetic resin are demanded in a wide variety of technical fields and industries, such as the automotive and household appliance fields. However, adhesives are generally only effective in a narrow temperature range of about −50° C. to about 100° C., which means they are not suitable in applications where operating or environmental temperatures may fall outside the range.
- Therefore, other bonding methods have been applied that do not involve the use of an adhesive. One example of such methods is by forming bonds through injection molding or other similar process. However, the bonding strength of the metal and resin can be improved.
- Therefore, there is room for improvement within the art.
- Many aspects of the aluminum alloy-and-resin composite can be better understood with reference to the following figures. The components in the figures are not necessarily drawn to scale, the emphasis instead being placed upon clearly illustrating the principles of the aluminum alloy-and-resin composite. Moreover, in the drawings like reference numerals designate corresponding parts throughout the several views.
-
FIG. 1 is a cross-section view of an exemplary embodiment of a composite of anodized aluminum alloy and resin. -
FIG. 2 is a scanning electron microscopy view of an exemplary embodiment of the anodized aluminum alloy. -
FIG. 3 is a scanning electron microscopy cross-section view of the composite shown inFIG. 1 . -
FIG. 4 is a cross-section view of molding the composite shown inFIG. 1 . -
FIG. 1 shows an aluminum alloy-and-resin composite 100 according to an exemplary embodiment. The aluminum alloy-and-resin composite 100 includes analuminum alloy substrate 11, ananodic oxide film 13 formed on a surface of thealuminum alloy substrate 11, andresin compositions 15 formed on theanodic oxide film 13. - The
anodic oxide film 13 is formed by anodizing thealuminum alloy substrate 11. Referring toFIG. 2 , theanodic oxide film 13 defines nano-pores 131. These nano-pores 131 have an average diameter of 30-60 nm. The nano-pores 131 are symmetrically distributed in theanodic oxide film 13. - The
resin composition 15 may be coupled to theanodic oxide film 13 by molding. During the molding process, molten resin coats surfaces of theanodic oxide film 13 and fills the nano-pores 131, thus strongly bonding theresin composition 15 to theanodic oxide film 13. Compared to the conventional injection molding process using non-anodic film, the composite 100 in this exemplary embodiment has a much stronger bond between theresin composition 15 and the substrate 11 (about quintuple bonding force). Theresin composition 15 may be made up of crystalline thermoplastic synthetic resins having high fluidity. In this exemplary embodiment, polyphenylene sulfide (PPS), polyamide (PA), polyethylene terephthalate (PET), and polybutylene terephthalate (PBT) can be selected as the molding materials for theresin composition 15, and all of the resins can bond firmly with theanodic oxide film 13 and thesubstrate 11. - It is to be understood that auxiliary components may be added to the resins to modify properties of the
composition 15, for example, fiberglass may be added to PPS. The fiberglass may have a mass percentage of about 10-50%. -
FIG. 3 shows a scanning electron microscopy cross-sectional view of thecomposite 100. InFIG. 3 , almost no cracks are observed between theresin composition 15 and theanodic oxide film 13, clearly demonstrating that theresin composition 15 tightly bonds to theanodic oxide film 13 and fills the nano-pores 131. - A method for making the
composite 100 may include the following steps: - The
aluminum alloy substrate 11 is provided. - The
substrate 11 is degreased. The degreasing process may include the step of dipping thesubstrate 11 in a sodium salt solution for about 5-15 minutes. The sodium salt solution may include sodium carbonate having a concentration of about 30-50 grams per liter (g/L), sodium phosphate having a concentration of about 30-50 g/L, and sodium silicate having a concentration of about 3-5 g/L. The temperature of the sodium salt solution may be about 50-60° C. Once degreased, thesubstrate 11 is removed from the sodium salt solution and rinsed in water. - The surface of the
substrate 11 is roughened. Roughening thesubstrate 11 may include the step of chemically etching. The chemical etching process may include the step of dipping thesubstrate 11 in an alkaline solution for about 1-2 minutes. The alkaline solution may include sodium hydroxide having a concentration of about 20-35 g/L, and sodium carbonate having a concentration of about 20-30 g/L. The temperature of the alkaline solution may be about 40-55° C. The chemical etching process roughens the surface of thesubstrate 11 so that it will be more uniformly anodized and to obtain a narrower range of diameters of the nano-pores 131 of theanodic oxide film 13. Next, thesubstrate 11 is removed from the alkaline solution and rinsed in water. - The
substrate 11 is anodized to form theanodic oxide film 13. The anodizing process may be carried out in a sulfuric acid solution, with thesubstrate 11 being an anode, and a stainless steel board or a lead plate being a cathode. The sulfuric acid solution may have a concentration of about 100-250 ml/L. The electric current density through the sulfuric acid solution is about 0.5-4.9 A/dm2. Anodizing thesubstrate 11 may last for about 15-60 minutes. Then, thesubstrate 11 is rinsed in water and then dried. - It is to be understood that the anodizing process can also be carried out in a phosphoric acid solution or an oxalic acid solution.
- Referring to
FIG. 4 , aninjection mold 20 is provided. Theinjection mold 20 includes acore insert 23 and acavity insert 21. Thecore insert 23 definesseveral gates 231, and severalfirst cavities 233. Thecavity insert 21 defines asecond cavity 211 for receiving thesubstrate 11. The anodizedsubstrate 11 is located in thesecond cavity 211, and molten resin is injected through thegates 231 to coat the surface of theanodic oxide film 13 and fill the nano-pores 131, and finally fill thefirst cavities 233 to form theresin compositions 15, as such, thecomposite 100 is formed. The molten resin may be crystalline thermoplastic synthetic resins having high fluidity, such as PPS, PA, PET, and PBT. During the molding process, the injection mold may be at a temperature of about 120-170° C. - Tensile strength and shear strength of the composite 100 have been tested. The tests indicate that the tensile strength of the composite 100 is greater than 8 MPa, and the shear strength of the composite 100 is greater than 15 MPa. Furthermore, the composite 100 has been subjected to a temperature humidity bias test (72 hours, 85° C., relative humidity: 85%) and a thermal shock test (48 hours, −40-85° C., 4 hours/cycle, 12 cycles total), such testing did not result in decreased tensile strength and shear strength of the composite 100.
- It is believed that the exemplary embodiment and its advantages will be understood from the foregoing description, and it will be apparent that various changes may be made thereto without departing from the spirit and scope of the disclosure or sacrificing all of its advantages, the examples hereinbefore described merely being preferred or exemplary embodiment of the disclosure.
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN2010101920629A CN102268183A (en) | 2010-06-04 | 2010-06-04 | Aluminum or aluminum alloy and plastic composite and manufacturing method thereof |
CN201010192062.9 | 2010-06-04 |
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US20110297549A1 true US20110297549A1 (en) | 2011-12-08 |
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US13/087,500 Abandoned US20110297549A1 (en) | 2010-06-04 | 2011-04-15 | Aluminum alloy-and-resin composite and method for making the same |
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