Method for adding sodium in aluminum alloy

The invention discloses a method for adding sodium in aluminum alloy, which is characterized in that the desired amount of sodium is weighted and tightly wrapped with an aluminum foil; and the sodium can be dispersed uniformly in an aluminum solution by adding the wrapped sodium into an aluminum solution, covering with a covering agent and stirring completely when the sodium needs to be added. By wrapping sodium in the aluminum foil, the method can prevent sodium from contacting the air, thus effectively reducing the burning loss of sodium, improving the accuracy in controlling sodium content and reducing sodium consumption. The method is convenient and practical.

Diffusion connection technique for ternary layered ceramic aluminum titanium carbide

7050Aluminum alloy spectral standard sample and preparation method

The invention discloses a 7050 aluminum alloy spectrum standard sample, wherein, aluminum comprises Si 0.045-0.18%, Fe 0.08-0.30%, Cu 1.7-2.6%, Mn 0.04-0.27%, Mg 1.4-3.3%, Zn 3.8-7.4%, Ti 0.005-0.20%, Ni 0.005-0.15%, Ca 2-17ppm, Zr 0.02-0.24%, Na 0-28ppm and Cr 0.005-0.15%. The inventive aluminum alloy spectrum standard sample can be used for 7050 aluminum alloy spectrum analysis to accurately control and ensure the quality of 7050 aluminum alloy products.

Difficult deformation high temperature allay composite covering method

The present invention discloses an anti-deformation high-temperature alloy composite canning method. Said method includes the following steps: on the blank material directly applying glass lubricant, then covering outer surface of blank material with a layer of aluminium silicate fibre felt, and using stainless steel cover to cover its exterior so as to make composite canning operation. Said canning method can effectively reduce deformation resistance and prevent forge cracking, and its effect is obvious.

3104Aluminum alloy spectral standard sample and preparation method

The invention discloses a 3104 aluminum alloy spectrum standard sample, which is characterized in that the aluminum comprises Si 0.04-0.70%, Fe 0.18-0.90%, Cu 0.02-0.34%, Mn 0.65-1.3%, Mg 0.65-1.58%, Zn 0.04- 0.34%, Ti 0.04-0.91%, Ni 0.05-0.11%, Cd 2-70ppm, Pb 8- 170ppm, Ga 0.008-0.11%, V 0.008-0.11% and Na 1-40ppm. The invention also discloses a preparation method thereof. The inventive aluminum alloy spectrum standard sample can be used for the control and the analysis of 3104 aluminum alloy.

Instant liquid-phase pervasion jointing ternary layered ceramic titanium carbon silicification technique

The invention discloses a new instant liquid-phased dispersing connecting technique of ternary layered ceramic Ti3SiC2, which comprises the following steps: adding aluminum foil with thickness between 50 um and 100um among the welded ternary layered ceramic Ti3SiC2; placing the test sample in the hot-pressed furnace; aerating argon gas to protect; insulating under 600-650 deg. c at 10-20Mpa for 10-30 min; heating at 10-15deg. c/min; setting the welding temperature at 1400-1500 deg. c under 2-5Mpa for 90-180 min. The invention avoids the influence of relative joint strength due to brittle to improve the joint bending strength by 65%, which expands the using scale of Ti3SiC2 ceramic under 1000 deg. c.

7050Aluminum alloy spectral standard sample and preparation method

The invention discloses a 7050 aluminum alloy spectrum standard sample, wherein, aluminum comprises Si 0.045-0.18%, Fe 0.08-0.30%, Cu 1.7-2.6%, Mn 0.04-0.27%, Mg 1.4-3.3%, Zn 3.8-7.4%, Ti 0.005-0.20%,Ni 0.005-0.15%, Ca 2-17ppm, Zr 0.02-0.24%, Na 0-28ppm and Cr 0.005-0.15%. The inventive aluminum alloy spectrum standard sample can be used for 7050 aluminum alloy spectrum analysis to accurately control and ensure the quality of 7050 aluminum alloy products.

Instant liquid-phase pervasion jointing ternary layered ceramic titanium carbon silicification technique

3104Aluminum alloy spectral standard sample preparation method

The invention discloses a 3104 aluminum alloy spectrum standard sample, which is characterized in that the aluminum comprises Si 0.04-0.70%, Fe 0.18-0.90%, Cu 0.02-0.34%, Mn 0.65-1.3%, Mg 0.65-1.58%, Zn 0.04- 0.34%, Ti 0.04-0.91%, Ni 0.05-0.11%, Cd 2-70ppm, Pb 8- 170ppm, Ga 0.008-0.11%, V 0.008-0.11% and Na 1-40ppm. The invention also discloses a preparation method thereof. The inventive aluminum alloy spectrum standard sample can be used for the control and the analysis of 3104 aluminum alloy.

Aluminium base material hot continuous rolling process used in PS plate

Rolling process of composite brazing aluminium foil with high brazing performance

The rolling process of composite brazing aluminum foil with high brazing performance includes the following steps: surface cleaning of the base alloy 3003 and cladding alloy 4343, symmetrically cladding, heating and hot rolling for combining the core material and the cladding material, cold rolling to certain thickness, annealing at 380-440 deg.c for 60-120min, and final cold rolling in the working rate of 10-40 % to obtain the composite brazing aluminum foil. The rolling process with annealing and final controlled cold rolling can raise the brazing performance of the composite foil.

Novel alloy of aluminium substrate for printing

The invention discloses an aluminum substrate alloy used for printing which contains the element components with the following weight percentages in the aluminum: 0.05 to 0.10 percent of Si, 0.25 to 0.35 percent of Fe, 0.05 to 0.10 percent of Mn, 0.05 to 0.15 percent of Mg, 0.01 to 0.025 percent of Ti, less than 0.05 percent of Cu, less than 0.05 percent of Zn, the sum of the other impurities is less than 0.15 percent and the signal impurity is less than 0.03 percent. The corrosion uniformity of the alloy is good; the alloy is applicable for being used as a PS plate with high grade.

Triple-double method forging new process of 6-meter level aluminum alloy forged ring hydraulic press

The invention claims a triple-double method forging new process of 6-meter level aluminum alloy forged ring hydraulic press, the preparing process comprising steps of: (1) blanking aluminum alloy ringon a 6000T hydraulic press first and chambering radially by using a trestle; (2) then processing axial deformation on a 30000T hydraulic press so that the ring extends radially, diameter of which reaches 6 meters finally. The process of the invention is not limited by headway of the hydraulic press and width of worktable and can produce aluminum alloy forged ring with outer diameter 6 meters by using prior 6000T and 300000T hydraulic presses combined; the process is simple and convenient to operate, high in efficiency, work procedure reduced by 30% than that of rolling procedure. The two blanks deform together, which does not only maintain balance of the hydraulic press, but also improve production efficiency; deformation of one time is huge, which reduces folding and has good performanceof ...

Triple-double method forging new process of 6-meter level aluminum alloy forged ring hydraulic press

The invention claims a triple-double method forging new process of 6-meter level aluminum alloy forged ring hydraulic press, the preparing process comprising steps of: (1) blanking aluminum alloy ring on a 6000T hydraulic press first and chambering radially by using a trestle; (2) then processing axial deformation on a 30000T hydraulic press so that the ring extends radially, diameter of which reaches 6 meters finally. The process of the invention is not limited by headway of the hydraulic press and width of worktable and can produce aluminum alloy forged ring with outer diameter 6 meters by using prior 6000T and 300000T hydraulic presses combined; the process is simple and convenient to operate, high in efficiency, work procedure reduced by 30% than that of rolling procedure. The two blanks deform together, which does not only maintain balance of the hydraulic press, but also improve production efficiency; deformation of one time is huge, which reduces folding and has good performance ...

Identical system circuit combiner with high-isolation degree

The invention discloses an identical system circuit combiner with high-isolation degree, aiming at providing the identical system circuit combiner with high-isolation degree, which has simple structure and lower cost and is easy for processing. The identical system circuit combiner with the high-isolation degree comprises at least three medium plates and two coupling wires, wherein the coupling wires are clamped between the two medium plates with different dielectric constants; a layer of medium plate is clamped between the two coupling wires; the coupling wires are provided with micro-strip thin wires; one end of each micro-strip thin wire is connected with each coupling wire and the other end of the micro-strip thin wire is suspended. The transmission phase speeds of odd modules and even modules can be adjusted by mixing different medium materials and adding the micro-strip thin wires to the coupling wires, and the port isolation degree of the identical system circuit combiner is improved ...

Rubitecan containing formulation for injection

The invention relates to a Rubitecan containing formulation for injection which comprises Rubitecan and medical use cyclodextrin, the preparation by the invention may further includes auxiliary solvent, pH modifier and/or adjuvant for aqueous solvent for injection.

A module thickness-increasing method

Diffusion connection technique for ternary layered ceramic aluminum titanium carbide

The invention relates to the technology of ceramics joining, in particular to a novel technology of diffusion bonding of ternary layered carbide Ti3AlC2, which is characterized in that: high temperature resistant Ti3Al (Si) C2 solid solution is generated at the interface and no brittle phase is produced, thus solving the technical problem of poor jointing quality of ternary layered carbide Ti3AlC2. Simple substance Si is sputtered at the surface of ternary layered carbide Ti3AlC2 that is to be weld with thickness between 4-10 Mum and the sandwich structure of Ti3AlC2/Si/Ti3AlC2 is formed. A check bar is put into a hot pressing furnace, diffused and bonded under the protection of argon. The process condition is that: welding temperature is 1300-1400 DEG C, welding pressure is 2-5 MPa and welding time is 120-240 min. The diffuse and welded joint obtained by the method of the invention has no new reaction phase at the interface, avoids the effect of new brittle phase on joint strength; besides ...

Primary magnesium ingot standard spectrum sample preparation method