Metal substrate with spherical feature array microstructure and construction method thereof
A construction method and metal matrix technology, applied in metal processing equipment, manufacturing tools, welding equipment, etc., can solve the problems of unfavorable bone cell adhesion, proliferation, differentiation, and osseointegration on smooth surfaces, and achieve easy scale production and processing The process is simple and the effect of reducing stress concentration
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Embodiment 1
[0028] The microstructure construction method with spherical feature array proposed by the present invention is as follows:
[0029] The first step is to use Ti6Al4V titanium alloy as the base material, and use wire cutting to process the base material into a size of 60mm×25mm×3mm, and use No. 1 to No. 6 metallographic sandpaper to polish the surface of the base material until there is no scratch under the naked eye. Then it was mechanically polished until there were no obvious scratches under the metallographic microscope, and then in the mixed solution (volume ratio: HF:HNO 3 :H 2 O=1:1:2) Wash for 15 seconds to remove surface scale, then quickly rinse with distilled water, and dry for later use.
[0030] In the second step, a square area of 25mm×25mm is drawn in the center of the titanium plate, and a layer of Ag72Cu solder with a thickness of 0.3mm is evenly coated in it. A metal template with an aperture diameter of 0.5 mm and a spacing between apertures of 0.15 mm (c...
Embodiment 2
[0034] The microstructure construction method with spherical feature array proposed by the present invention is as follows:
[0035] The first step is to use Ti6Al7Nb titanium alloy as the base material, and use wire cutting to process the base material into a size of 60mm×25mm×3mm, and use metallographic sandpaper No. 1 to 6 to polish the surface of the base material until there is no scratch under the naked eye. Then it was mechanically polished until there were no obvious scratches under the metallographic microscope, and then in the mixed solution (volume ratio: HF:HNO 3 :H 2 O=1:1:2) Wash for 15 seconds to remove surface scale, then quickly rinse with distilled water, and dry for later use. After the pretreatment, the samples were sandblasted to 60 mesh.
[0036] In the second step, a square area of 25 mm × 25 mm is drawn in the center of the titanium plate, and a layer of Ag72Cu solder with a thickness of 0.4 mm is evenly coated in it. A metal template with an apert...
Embodiment 3
[0040] The preparation method of the spherical feature array microstructure of the present invention is as follows:
[0041] The first step is to use Ti6Al4V titanium alloy as the base material, and use wire cutting to process the base material into a size of 60mm×25mm×3mm, and use No. 1 to No. 6 metallographic sandpaper to polish the surface of the base material until there is no scratch under the naked eye. Then it was mechanically polished until there were no obvious scratches under the metallographic microscope, and then in the mixed solution (volume ratio: HF:HNO 3 :H 2O=1:1:2) Wash for 15 seconds to remove surface scale, then quickly rinse with distilled water, and dry for later use. After the pretreatment, the sample was subjected to 60-mesh sandblasting, and then the surface of the micro-nano secondary composite structure was obtained by an acidic two-step etching method. The acidic two-step etching method is as follows: after sandblasting, the sample first obtains t...
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