Preparation method of aluminum bronze/titanium alloy bimetal
A technology of titanium alloy and aluminum bronze, applied in the field of bimetal preparation, can solve the problems of low bonding strength and easy cracks at the interface connection, and achieve the effect of good interface bonding, improving the interface structure and suppressing cracks.
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Embodiment 1
[0026] Aluminum bronze / titanium alloy double metals were prepared, and aluminum bronze (hereinafter simply referred to as QAL10-4-4) and TC6 titanium alloy were processed into φ20mm × 20 mm cylinders, prepared φ20mm intermediate transition layer silver group Alloy foil 1; after the surface of QAL10-4-4 and TC6 is polished, soak it together with the silver-based alloy foil 1 to be washed at 10% nitric alcohol, and then prepare it after washing with alcohol;
[0027] The pre-processed TC6, silver-based alloy foils 1 and QAL10-4-4 are sequentially placed in the hot press mold, and then the hot press mold is placed in a vacuum hot pressing furnace, in order to prevent interface binding Oxidation, pull the vacuum hot pressure furnace to a high vacuum, when the vacuum hot pressure sintering furnace reaches 7.60 × 10 -3 After the PA is heated, sintered 51min, heat the temperature to 790 ° C, after 30 min, only apply pressure 5MPa on the hot press mold during thermal insulation, and sto...
Embodiment 2
[0029] Preparation of aluminum bronze / titanium alloy double metal, processed QAL10-4-4 and TC6 to φ20mm × 20 mm cylinder, prepared φ20mm intermediate transition layer silver-based alloy foil material 1; after grinding the surface of QAL10-4-4 and TC6 And the silver-based alloy foil 1 is soaked in 10% nitrogen sterilization, and then prepares the spare after washing with alcohol.
[0030] The pre-processed TC6, silver-based alloy foils 1 and QAL10-4-4 are sequentially placed in the hot press mold, and then the hot press mold is placed in a vacuum hot pressing furnace, in order to prevent interface binding Oxidation, pull the vacuum hot pressing furnace to a high vacuum, when the vacuum heat pressure sintering furnace reaches 6.60 × 10 -3 After the PA is heated, sintered 53min, heat the temperature to 820 ° C after 30min, only applied a pressure of 5 MPa on the hot press mold during the incubation, and the microfiltered interface to be aluminum / titanium alloy is stopped after th...
Embodiment 3
[0032] Preparation of aluminum bronze / titanium alloy double metal, processed QAL10-4-4 and TC6 to φ20mm × 20 mm cylinder, prepared φ20mm intermediate transition layer silver-based alloy foil material 1; after grinding the surface of QAL10-4-4 and TC6 And the silver-based alloy foil 1 is soaked in 10% nitrogen sterilization, and then prepares the spare after washing with alcohol.
[0033] The pre-processed TC6, silver-based alloy foils 1 and QAL10-4-4 are sequentially placed in the hot press mold, and then the hot press mold is placed in a vacuum hot pressing furnace, in order to prevent interface binding Oxidation, pull the vacuum hot press-fitting furnace to a high vacuum, when the vacuum heat pressure sintering furnace reaches 6.70 × 10 -3 After the PA is heated, sintered 55 min, heat the temperature to 850 ° C after 30min, only applied a pressure of 5 MPa on the heat pressure mold during the incubation, and the copper / titanium alloy to complete the microfiltration of the va...
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