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Zhengzhou,Henan,China
A method of producing a reflector sheet, which method comprises treating an Al alloy sheet to increase the total reflectance of a surface of the sheet for use as a lighting reflector by bringing the sheet into contact with an acid or alkaline fluid that dissolves aluminium metal, said fluid having a viscosity of less than 0.01 Pas, under conditions to remove from 10 nm to 2000 nm
Cited by: 2A method of producing a reflector sheet, which method comprises treating an Al alloy sheet to increase the total reflectance of a surface of the sheet for use as a lighting reflector by bringing the sheet into contact with an acid or alkaline fluid that dissolves aluminium metal, said fluid having a viscosity of less than 0.01 Pas, under conditions to remove from 10 nm to 2000 nm
Cited by: 2The invention is directed to a method for producing a 6xxx series aluminium sheet comprising the steps of homogenizing an ingot made from a 6XXX series aluminium alloy comprising in wt.% Si : 0.4 – 0.7, Mg : 0.2 – 0.4, Mn : 0.05 - 0.30, Fe : 0.03 to 0.4, Cu up to 0.3, Cr up to 0.05, Zn up to 0.15, Ti up to 0.1 wt%, rest aluminium and unavoidable impurities up to 0.05 each and 0.15
The invention is directed to a method for producing a 6xxx series aluminium sheet comprising the steps of homogenizing an ingot made from a 6XXX series aluminium alloy comprising in wt.% Si : 0.4 0.7, Mg : 0.2 0.4, Mn : 0.05 - 0.30, Fe : 0.03 to 0.4, Cu up to 0.3, Cr up to 0.05, Zn up to 0.15, Ti up to 0.1 wt%, rest aluminium and unavoidable impurities up to 0.05 each and 0.15 total,
[PDF]2015-2-26 mary breakdown from the billet (Ref 2). Extrusion is the best method for breaking down the cast structure of the billet because the billet is subjected to compressive forces only. Extrusion can be cold or hot, depending on the alloy and the method used. In hot extrusion, the billet is preheated to facilitate plastic defor-mation.
2020-5-21 high temperature occur. Surface moisture evaporates faster than it can be replaced by rising bleed water, causing the surface to shrink more than the interior concrete. As the interior concrete restrains shrinkage of the surface concrete, stresses develop that exceed the concrete's tensile strength, resulting in surface cracks. (Under certain
When such a technique is used, aluminum loss will be approximately 8 μm of the total layer thickness. Using Electropolishing. Polishing of aluminum can be carried out in another way. At the same time, it is possible to obtain a sparkling and smooth surface, and the cleaning is characterized by high quality.
[PDF]2016-3-29 surface metal to flow, rather than to remove metal from the surface. Burnishing compounds must Table 4 Conditions for wet barrel finishing of aluminum products Cycle Barrel No. of pieces per No. of pieces time, speed, Product kg lb per load min rev/min Barrel Finishing Barrel finishing is a low-cost method of
Superhydrophobic surfaces were prepared using a very simple and low-cost method by spray coating. A high static water contact angle of about 154° was obtained by deposition of stearic acid on an aluminium alloy. However, this coating demonstrated a high contact angle hysteresis (~ 30º). On the other hand, superhydrophobic surfaces with a static contact angle of about 162º
[PDF]2016-3-29 aluminum alloys Strain, % 150 125 100 75 50 25 0 0 1020 30 40 5060 70 0 5 10 15 260 °C 20 370 °C Flow stress, MPa 480 °C Flow stress, ksi Fig. 3 Flow stress versus strain rate for alloy 6061 at three temperatures and a strain rate of 10 s 1 Table 1 Recommended forging temperature ranges for aluminum alloys Aluminum alloy Forging temperature ...
[PDF]2020-12-31 FE simulations using an inverse engineering method, and a fracture locus of this type of aluminum alloy sheets was determined. In addition, a parametric study was performed to evaluate the effect some variables that will affect numerical simulations, such as number of integration points through thickness, element type, and mesh size. 1 ...
The object of the present invention is to provide a method for forming a coating on the surface of an aluminum or aluminum alloy using a trivalent chromate solution which dose not contain any harmful hexavalent chromium, in which the coating has an excellent corrosion resistance and adhesion with paints. The present invention provides a hexavalent chromium free trivalent
2004-6-8 [0008] In view of the above-mentioned state of the art, it is an object of the present invention to provide a method of metal surface treatment and a surface treated metal thereby, which has excellent corrosion resistance and can form a coat having high corrosion resistance on metal substrates such as iron, zinc, aluminum and magnesium.
Method of producing an aluminium surface with a high total ... Jan 30, 2007 A method of producing a reflector sheet, which method comprises treating an Al alloy sheet to increase the total reflectance of a surface of the sheet for use as a lighting reflector by bringing the sheet into contact with an acid or alkaline fluid that dissolves aluminium metal, said fluid having a
Method of producing an aluminium surface with a high total ... According to a further aspect of the present invention, there is provided a method of producing a reflector sheet, which method comprises treating an Al alloy sheet to increase the total reflectance of a surface of the sheet to a value of at least 85% by treating the sheet with an acid or alkaline fluid that dissolves
Superhydrophobic surfaces were prepared using a very simple and low-cost method by spray coating. A high static water contact angle of about 154° was obtained by deposition of stearic acid on an aluminium alloy. However, this coating demonstrated a high contact angle hysteresis (~ 30º). On the other hand, superhydrophobic surfaces with a static contact angle of about 162º
The surface of a thin aluminum alloy with thickness of 0.103 mm was modified using immersion method to produce high water contact angle of more than 150° which constitutes a super-hydrophobic surface characteristics. Contact angle was measured using a digital goniometer and the modified surfaces were examined under a scanning electron microscope.
2020-7-10 4.1 Weld surface appearance Scanning Electron Microscope (SEM) is firstly employed in order to observe the macrostructure of the top surface of the welding zone. Fig. 3 shows the SEM images of the weld surface in the laser power from 10 W to 20 W. The surface morphology is well recognized in this observation with weld metal and spatters.
2017-9-28 The surface is dust proof treated, smooth and flat and easy to maintain; just use neutral cleaner and water can totally renew the panel. The aluminum surface is tough, the core PE panel is flexible, therefore the panel has high impact resistance. Fireproof and noise absorptive. The PE core absorbs noise and the aluminum resists fire.
[PDF]2021-10-3 The method in accordance with claim 1, further comprising the step of cleaning the aluminum surface. 6. The method in accordance with claim 1, further comprising anodizing the aluminum surface using a concentration of sulfuric acid. 7. The method in accordance with claim 1, wherein the decoration is a digital image.
2019-12-11 Vacuum blasting is an acceptable corrosion removal method to remove surface corrosion. Vacuum blasting should not be used to remove intergranular corrosion. (3) Chemical conversion coating (Specification MIL-C-81706) is a chemical surface treatment used on aluminum alloys to inhibit corrosion and to provide a proper surface for paint finishing. d.
2018-8-1 An aluminium 6092 alloy with 17.5% volume fraction silicon carbide (SiC) particles sheet manufactured by means of powder metallurgical method, heat treated to T6 condition, is used to obtain a fundamental understanding of the heat treatment effect on the fracture mechanism, the microstructural changes and the interface between the Al-matrix and ...
