Production method of aluminum-titanium compounded metal plate strip

The present invention discloses a method for producing aluminum-titanium compounded metal plate strip by continuously casting semi-solid aluminum or aluminum alloy and solid titanium plate strip in absence of oxygen. In the method, an oxygen-free metallurgical compounding is realized for solid titanium plate strip and aluminum liquid, so the problem of aluminum oxidization is solved, additionally, the compounding strength is high and the bonding strength is more than 100MPa, production efficiency is increased by tens of times, and product quality is stable, the produced aluminum-titanium compounded metal plate strip holds original surface quality of titanium plate and has uniform thickness of titanium layer and can be further processed through cold rolling, and various titanium plate strips different in components and aluminum liquid can be used; the invention can provide various products with wide application and has advantages of advanced process, few production procedures, energy saving ...

Aluminum alloy with arborescent structure grown on micro-nano substrate and preparation method

The invention discloses an aluminum alloy with an arborescent structure grown on a micro-nano substrate and a preparation method. The aluminum alloy comprises the following materials in percentage by weight: 12 to 25 percent of polysilicon, 73.7 to 87.4 percent of pure aluminum, 0.1 to 0.3 percent of aluminum-titanium alloy and 0.5 to 1.0 percent of pure magnesium, and further comprises cerium-rich mixed rare earth and phosphorus, wherein the addition of the cerium-rich mixed rare earth is 0.5 to 0.7 percent based on the total weight of the polysilicon, the pure aluminum and the aluminum-titanium alloy; and the addition of the phosphorus is 0.07 to 0.09 percent based on the total weight of the polysilicon, the pure aluminum and the aluminum-titanium alloy. The preparation method comprisesthe following steps of: sequentially placing the polysilicon, the pure aluminum and the aluminum-titanium alloy into an iron-free crucible for melting, rising the temperature to 800 DEG C, adding thecerium-rich ...

Production method of aluminum and copper composite metal band

The invention discloses a production method of an aluminum and copper composite metal band. In the method, the aluminum and copper composite metal band is manufactured by anaerobic continuous casting and rolling of semisolid aluminum or aluminum alloy and a solid copper band. In the production method of the invention, the anaerobic metallurgical combination of the solid copper band and molten aluminum is realized, the aluminum oxidization problem is solved, the combined strength is high, and the aluminum and copper bonding strength is more than or equal to 100MPa; the continuous casting and rolling of the copper band and the molten aluminum are adopted to produce the aluminum and copper composite metal band, so the production efficiency is greatly improved by scores of times and the product quality is stable; the produced aluminum and copper composite metal band retains the original surface quality of the copper band, has a uniformly-thick copper layer and can be deeply processed by cold ...

Production method for nickel oxide anode thin film used for full solid-state thin-film lithium ion battery

Method for preparing lithium ionic cell nano-crystal nickel oxide anode material

The invention provides a preparation method of the nanocrystal nickel oxide anode material of the lithium ion battery. The method uses the nickel acetate or the nickel nitrate, the citric acid, the ethylene glycol or the ethylene glycol monomethyl ether as the raw materials for the synthesis of a stable sol; a xerogel is obtained after the drying of the sol; after the heat treatment and ball milling of the xerogel, the nanocrystal nickel oxide power is obtained. The preparation method of the nanocrystal nickel oxide material of the lithium ion battery provided by the invention has a low cost and simple process and equipment. By using the method, the nickel oxide nanocrystal with an even particle size distribution, a complete structure and a high purity is easy to be prepared. The nickel oxide nanocrystal has a good electrochemical performance, which can be used as the oxide anode material of the lithium ion battery.

Preparation of magnesium hydrate nanocrystalline

The invention relates to a preparation method of magnesium hydrate nano-crystal, which adopts a hydrothermal synthesis method to lead water-soluble magnesium chloride that is an MgCl2 solution to react with an NaOH solution in a high-pressure reaction kettle, wherein, the mol ratio (OH<->)/2(Mg<2+>) of the water-soluble magnesium chloride is 1.10 to 1.30; then magnesium hydrate crystal, the hexagonal plate-shaped nano-crystal size of which ranges from 50 to 100 nanometers, is prepared. The preparation method is simple and easy to operate, and has low cost; and the preparation method is superior to the prior art in the aspects of crystallinity, small size and distribution.

Riser heating and insulating agent

The invention discloses a riser heating and insulating agent, which comprises the following components in percentage by weight: 5 to 35 percent of Al, 10 to 25 percent of AlN, 3 to 20 percent of low-carbon graphite, 5 to 25 percent of magnesia-alumina spinel, 5 to 15 percent of quartz, 10 to 30 percent of ferric oxide powder, 5 to 20 percent of corundum, 5 to 10 percent of organosilicon phlogopite, and 1 to 10 percent of MgO; and the riser heating and insulating agent is prepared by the following processes: crushing, pulverizing, mixing, pelletizing, drying, and the like. The riser heating and insulating agent has double effects of heating and insulating, and has good insulating effect. Because the riser heating and insulating agent has a granular appearance, dust and smoke are not generated in the using process, and the environment is not polluted. Due to the adoption of the low-carbon graphite, castings do not have carburizing phenomenon, and the molten steel is not polluted. The riser ...

Riser heating and insulating agent

The invention discloses a riser heating and insulating agent, which comprises the following components in percentage by weight: 5 to 35 percent of Al, 10 to 25 percent of AlN, 3 to 20 percent of low-carbon graphite, 5 to 25 percent of magnesia-alumina spinel, 5 to 15 percent of quartz, 10 to 30 percent of ferric oxide powder, 5 to 20 percent of corundum, 5 to 10 percent of organosilicon phlogopite, and 1 to 10 percent of MgO; and the riser heating and insulating agent is prepared by the following processes: crushing, pulverizing, mixing, pelletizing, drying, and the like. The riser heating and insulating agent has double effects of heating and insulating, and has good insulating effect. Because the riser heating and insulating agent has a granular appearance, dust and smoke are not generated in the using process, and the environment is not polluted. Due to the adoption of the low-carbon graphite, castings do not have carburizing phenomenon, and the molten steel is not polluted. The riser ...

Gyratory breaker mortar rolled chemical composition control and thermal treatment process

The rolling mortar for cone crusher has optimized chemical composition of wear resistant steel comprising C, Mn, Si, Cr, Mo, Ti, S and P, and is produced through smelting, casting and proper precipitation strengthening and heat treatment. It has tensile strength up to 994.5 MPa, and impact toughness up to 260 J/sq cm. During the heat treatment, the casting is first heated to certain temperature inside a heat treatment furnace, maintained for certain time and water quenched for forming solid solution; and then heated to certain temperature, maintained for certain time and air cooled for dispersion strengthening. It has raised mechanical performance and wear resistance.

Nano-crystal with core-shell structure and preparation method thereof

The invention discloses a nanocrystalline with core-shell structure. The nanocrystalline is of a core-shell structure and takes cadmium sulphide as a core and cadmium carbonate as a peripheral shell.A process for preparing the nanocrystalline is that the mol ratio of water-soluble cadmium acetate and sulfur source Cd/S is x, whichin 1.1<=x<=1.4, and raw materials are placed in a high-pressure autoclave to react under the condition that reaction system is of pH 9 to 13, wherein the concentration of the water-soluble cadmium acetate in the reaction system is 5 to 54.5 mmol/L, and the concentration of the sulfur source is 4.5 to 50 mmol/L. The invention is simple in process, easy in operation and low in price, further, the prepared nanocrytalline which is of cadmium sulphide or cadmium carbonate core-shell structure is prepared and the particle diameter of the nanocrytalline is -5nm. The invention has the advantages of high chemical stability, good fluorescence-emission monochromaticity,relatively ...

Tisco manganese steel casting surface alloying process method

Tisco manganese steel casting surface alloying process method

The invention relates to a research on a method for alloying the casting surface of a medium manganese steel; in order to effectively solves the defect that the abrasion resistance of the medium manganese steel is bad in initial use, the invention provides a technology which can control the manganese content in the medium manganese steel, the melting process and regulate the casting penetration agent and the casting penetration process; the invention promotes the initial abrasion resistance of the medium manganese steel cast by controlling relevant alloy components, melting temperature, casting penetration agent components and casting penetration process.

Novel and highly efficient method for preparing nanocrystal boehmite

The invention relates to a novel and highly efficient method for preparing nanocrystal boehmite, which comprises the steps of: taking 0.5 to 2.5 mol/L AlCl 3.6H2O solution, stirring and adding 1 to 2.8mol/L NaOH solution, wherein the mol ratio between aluminum salt solution and alkaline solution in reaction system solution is: Al/OH equal to 0.33 to 0.67; switching reactant evenly stirred into a high-pressure autoclave, controlling the temperature between 105 DEG C and 160 DEG C, gauge pressure between 0.1Mpa and 0.5Mpa, and reaction time between 1hr and 10hr, cooling to room temperature, suction filtering, rinsing and drying for 10hr at the temperature of 100 DEG C and finally obtaining solid phase product named nanocrystal boehmite. The nanocrystal boehmite prepared by the method has the advantages of high crystallinity, regular crystal forms, uniform sizes of granules and good dispersibility and the like, thus having good popularization value.

High aluminum-zinc base alloy with high wear-resistence and casting process thereof

The invention relates to a high aluminum-zinc base alloy with high wear-resistence and a casting process thereof. The casting process comprises the following steps of: controlling the chemical ingredients in percent by weight according to the proportion of Al, Cu, Mg, Si, Ti, Pb, Sn, Cd and the balance of Zn, wherein the proportioning sum is 100 percent; adding Si and Cu in the alloy to form a stable high-melting point compound in the alloy; evenly stirring; pouring at the appropriate temperature, beginning to supply water after pouring for one minute; and continuously supplying water after water is full till cooling. The alloy produced by the casting process has superior performance at the heavy load high temperature, increases the wear-resistence by three times than ZA 27 alloy, effectively eliminates the bottom shrinkage defects of the high aluminum-zinc base alloy, solves the problem of common solidification segregation in a zinc base alloy casting, effectively improves the high temperature ...

Vertical grinding hollow abrading-resistant ball chemical composition control and thermal treatment process

Nano-crystal with core-shell structure and preparation method thereof

The invention discloses a nanocrystalline with core-shell structure. The nanocrystalline is of a core-shell structure and takes cadmium sulphide as a core and cadmium carbonate as a peripheral shell. A process for preparing the nanocrystalline is that the mol ratio of water-soluble cadmium acetate and sulfur source Cd/S is x, whichin 1.1<=x<=1.4, and raw materials are placed in a high-pressure autoclave to react under the condition that reaction system is of pH 9 to 13, wherein the concentration of the water-soluble cadmium acetate in the reaction system is 5 to 54.5 mmol/L, and the concentration of the sulfur source is 4.5 to 50 mmol/L. The invention is simple in process, easy in operation and low in price, further, the prepared nanocrytalline which is of cadmium sulphide or cadmium carbonate core-shell structure is prepared and the particle diameter of the nanocrytalline is -5nm. The invention has the advantages of high chemical stability, good fluorescence-emission monochromaticity, ...

Production method of aluminum-titanium compounded metal plate strip

The present invention discloses a method for producing aluminum-titanium compounded metal plate strip by continuously casting semi-solid aluminum or aluminum alloy and solid titanium plate strip in absence of oxygen. In the method, an oxygen-free metallurgical compounding is realized for solid titanium plate strip and aluminum liquid, so the problem of aluminum oxidization is solved, additionally, the compounding strength is high and the bonding strength is more than 100MPa, production efficiency is increased by tens of times, and product quality is stable, the produced aluminum-titanium compounded metal plate strip holds original surface quality of titanium plate and has uniform thickness of titanium layer and can be further processed through cold rolling, and various titanium plate strips different in components and aluminum liquid can be used; the invention can provide various products with wide application and has advantages of advanced process, few production procedures, energy saving ...

Aerospace structural material and preparation method thereof

The invention discloses an aerospace structural material and a preparation method thereof, wherein the aerospace structural material comprises the following components in percentage by weight: 60-65 percent of SiC, 5-6 percent of Bi and the balance of Al and inevitable impurities. In the invention, metallic aluminum with good heat conductivity and electric conductivity and light weight is adoptedas a basal body, SiC grains with small expansion coefficient, good wearing resistance and better heat conductivity and electric conductivity are adopted as a grain reinforced material, then an alloy element Bi is added, and the self-lubricating property and the compactness of the material are improved. The structural material has the following performances: the CTE (Coefficient of Thermal Expansion) is (6-8)*10<-6>/DEG C, the heat conductivity is 150W/(m.DEG C), the electrical resistivity is 40mu m omega.cm, the density is 2.8g/cm<3>, the friction coefficient is 0.4, and the tensile strength is ...

Preparation method of highly pure magnesium hydroxide nanocrystal

The invention relates to a preparation method of highly pure magnesium hydroxide nanocrystal, which comprises the steps of: mixing and evenly stirring NaOH solution and MgCl2.6H2O solution at room temperature, transferring the mixed material into a high-pressure reaction autoclave and heating to temperature of 124 DEG C to 135 DEG C, keeping the pressure at 0.20 Mpa to 0.32Mpa, then preserving the temperature for 3 hours to 5 hours, naturally cooling and aging, rinsing and suction-filtering the aged solid-liquid mixture on a Buchner funnel, drying the products after suction filtration in a drying oven, cooling and grinding the products, adding the obtained magnesium hydroxide nanocrystal to clean water, stirring, conducting ultrasonic processing and standing; and in such synthesis way, the magnesium hydroxide nanocrystal with purity of 99.2 percent to 99.9 percent, a shape of a hexagonal piece and granule size of 50nm to 100nm can be obtained.

Cone crusher bowl liner chemical composition control and thermal treatment process

Lining plate for large ball mill and casting method thereof

The invention discloses a lining plate for a large ball mill and a casting method thereof. The lining plate comprises the following chemical components in percentage by weight: 0.40-0.50% of C, 1.8-2.0% of Mn, 0.7-1.0% of Si, 1.8-2.1% of Cr, 0.35-0.65% of Mo, 0.004-0.008% of B, 0.03-0.04% of Nb, 0.02-0.05% of Ce, less than 0.03% of P, less than 0.03% of S and the balance of Fe and inevitable impurities. The lining plate for the large ball mill has the thickness greater than 140 mm and the piece weight more than 1500 kg. The finished lining plate product has excellent wear-resisting property, high hardness, good toughness and high strength; the hardness is not less than HBW515, the impact toughness is not less than 42 J/cm2, and the tensile strength is up to 1610 MPa.

Preparation method of NiO nano-crystalline anode film

The invention provides a method of manufacturing Nio film, which directly takes a polymer-polyacrylic acid as a complexing agent, which forms a stable sol with nickel acetate or nickel nitrate as well as ethanol, isopropyl alcohol or deionized water, and then, through spin-coating and heat treating technology. The method has simple operation process, the property of the sol is stable, the equipment is simple, the technical cost is low, the deposition rate is high, and film with even thickness can be obtained in large area. The obtained Nio film is a nanometer crystal with even size and complete structure, has higher specific capacity and excellent electrochemical cycle performance, and can be used as the anode material of the full solid film lithium ion battery.

Production method of aluminum and copper composite metal band

The invention discloses a production method of an aluminum and copper composite metal band. In the method, the aluminum and copper composite metal band is manufactured by anaerobic continuous casting and rolling of semisolid aluminum or aluminum alloy and a solid copper band. In the production method of the invention, the anaerobic metallurgical combination of the solid copper band and molten aluminum is realized, the aluminum oxidization problem is solved, the combined strength is high, and the aluminum and copper bonding strength is more than or equal to 100MPa; the continuous casting and rolling of the copper band and the molten aluminum are adopted to produce the aluminum and copper composite metal band, so the production efficiency is greatly improved by scores of times and the product quality is stable; the produced aluminum and copper composite metal band retains the original surface quality of the copper band, has a uniformly-thick copper layer and can be deeply processed by cold ...

Alloy powder, coating for surface laser alloying of nodular cast iron and laser alloying method

The invention discloses an alloy powder and also discloses a coating for the surface laser alloying of a nodular cast iron and a surface laser alloying method for a nodular cast iron. The alloy powder comprises the following components in percentage by weight: 30-35% of C, 15-20% of Fe, 15-20% of Si, 10-15% of Ti, 5-10% of Cr, 5-10% of Al, 4-7% of Co, 1-3% of Ni and 3-6% of W. The prepared surface laser submicron ceramic alloying layer of the nodular cast iron has compact textures, has submicron ceramic fine crystalline structures, has a depth being 1.4mm and has excellent abrasive and wear resistance, and the abrasive resistance is eight times higher than that of the substrate nodular cast iron.

Aerospace structural material and preparation method thereof

The invention discloses an aerospace structural material and a preparation method thereof, wherein the aerospace structural material comprises the following components in percentage by weight: 60-65 percent of SiC, 5-6 percent of Bi and the balance of Al and inevitable impurities. In the invention, metallic aluminum with good heat conductivity and electric conductivity and light weight is adopted as a basal body, SiC grains with small expansion coefficient, good wearing resistance and better heat conductivity and electric conductivity are adopted as a grain reinforced material, then an alloy element Bi is added, and the self-lubricating property and the compactness of the material are improved. The structural material has the following performances: the CTE (Coefficient of Thermal Expansion) is (6-8)*10<-6>/DEG C, the heat conductivity is 150W/(m.DEG C), the electrical resistivity is 40mu m omega.cm, the density is 2.8g/cm<3>, the friction coefficient is 0.4, and the tensile strength is ...

Composite toothed plate and casting method thereof

The invention discloses a composite toothed plate and a casting method thereof. The toothed plate is embedded and cast with a wear-resistant alloy block in the easy abrasion part, and the chemical ingredient composition of the substrate part, the melting process, the shaping process and the thermal treatment process are optimized during the toothed plate casting. The toothed plate cast by the method has the advantages that the ware-resistant alloy block is combined with the substrate part in a diffusion metallurgical way, the combination intensity is high, and the strong toughness of the toothed plate substrate and the wear-resistant performance of local regions are improved, so the service life of the toothed plate is greatly improved.

Vertical grinding hollow abrading-resistant ball chemical composition control and thermal treatment process

The wear resistant hollow mill ball for vertical mill has optimized chemical composition of ultra high manganese wear resistant steel comprising C, Mn, Si, Cr, Mo, Ti, S and P, and is produced through smelting, casting and proper heat treatment. It has tensile strength of sigma-b higher than 830 MPa, sigma-s higher than 460 MPa, and alpha-k higher than 70 J/ sq cm. The wear resistant hollow mill ball in high quality is applied in vertical mill.

High aluminum-zinc-base alloy bearing bush chemical composition control and inner core water-cooled casting technique

The invention relates to a high aluminum-zinc-base alloy bearing bush chemical composition control and inner core water-cooled casting technique. The technique controls the water discharge time and the water flow rate in the inner core water tank by controlling the chemical compositions of the alloy and adopting an inner core water-cooled forced-cooling technique, so as to influence the cooling setting conditions for the cast and adjust the setting temperature gradient of the alloy, thereby realizing the progressive solidification. The high aluminum-zinc-base alloy bearing bush cast by using the technique of the invention effectively enhances the yield of the zinc-base alloy bearing bush and also effectively enhances the inside quality of the alloy bearing bush. The obtained high-quality high aluminum-zinc-base alloy bearing bush has the advantages of high thermal conductivity, strong load capacity, high melting point and favorable heat resistance, and satisfies the performance requirements ...

Alloy powder, coating for surface laser alloying of nodular cast iron and laser alloying method

The invention discloses an alloy powder and also discloses a coating for the surface laser alloying of a nodular cast iron and a surface laser alloying method for a nodular cast iron. The alloy powder comprises the following components in percentage by weight: 30-35% of C, 15-20% of Fe, 15-20% of Si, 10-15% of Ti, 5-10% of Cr, 5-10% of Al, 4-7% of Co, 1-3% of Ni and 3-6% of W. The prepared surface laser submicron ceramic alloying layer of the nodular cast iron has compact textures, has submicron ceramic fine crystalline structures, has a depth being 1.4mm and has excellent abrasive and wear resistance, and the abrasive resistance is eight times higher than that of the substrate nodular cast iron.

Preparation method for aluminum-stainless steel clad metal plate and strip

The invention discloses a preparation method for an aluminum-stainless steel clad metal plate and strip. The method comprises: carrying out anaerobic continuous casting and rolling on semisolid aluminum or aluminum alloy and a solid stainless steel plate strip to prepare the aluminum-stainless steel clad metal plate strip. In the preparation method of the invention, the non-oxidation metallurgy composite of the solid stainless steel plate strip and aluminum liquid is realized, the oxidation problem of the aluminum is solved, the composite strength is high, and the bond strength of the stainless plate and the aluminum is larger than or equal to 100Mpa; continuous casting and rolling is carried out on the stainless plate strip and the aluminum liquid to prepare the aluminum-stainless steel clad metal plate strip, the production efficiency is greatly improved by up to dozens of times, and the product quality is stable; the prepared aluminum-stainless steel clad metal plate strip product maintains ...

Composite toothed plate and casting method thereof

The invention discloses a composite toothed plate and a casting method thereof. The toothed plate is embedded and cast with a wear-resistant alloy block in the easy abrasion part, and the chemical ingredient composition of the substrate part, the melting process, the shaping process and the thermal treatment process are optimized during the toothed plate casting. The toothed plate cast by the method has the advantages that the ware-resistant alloy block is combined with the substrate part in a diffusion metallurgical way, the combination intensity is high, and the strong toughness of the toothed plate substrate and the wear-resistant performance of local regions are improved, so the service life of the toothed plate is greatly improved.