73 results about "Titanium molybdenum" patented technology

The invention discloses a glass mold material, which is high in performance and applicable to small-hole blowing and pressing, and a preparation method thereof. The glass mold material for small-hole blowing and pressing comprises the following chemical components by mass percent: 3.30-3.65% of carbon, 1.90-2.10% of silicon, 0.50-0.80% of manganese, 0.60-0.80% of molybdenum, 0.09-0.15% of vanadium, 0.19-0.25% of titanium, 0.40-0.70% of nickel, no more than 0.60% of chromium, no more than 1.00% of copper, less than 0.30% of phosphorus, less than 0.08% of sulphur, 0.007-0.012% of rare earth, and the balance being iron and normal trace impurity. The material overcomes the defects of the material performance of a bottle-making machine under high-speed rotation besides the advantages of the traditional vanadium-titanium-molybdenum cast-iron glass mold material, and further improves the hardness and the toughness of the material, so that the material has better abrasive resistance, heat resistance and high-temperature oxidation resistance, and the glass mold prepared from the material has better stability, and more accords with the demands of a small-hole blowing and pressing process, so as to meet the lightweight needs of a glassware factory.

The invention relates to a titanium-molybdenum carbide ceramic powder and a preparation method thereof and belongs to the field of ceramic. The invention provides the titanium-molybdenum carbide ceramic powder with a phase structure being single cubic phase and a purity being not less than 99%. According to the invention, molybdenum powder and titanium powder are mixed uniformly according to a certain proportion and are pressed into blocks. A titanium-molybdenum alloy (TixMo1-x) is heated and smelted by electric arc generated by electrodes in a non-self-consumption vacuum melting furnace. The TixMo1-x alloy is hydrogenated for preparing TixMo1-x powders in different proportions. The TixMo1-x powders in different proportions are mixed with carbon, and then are subjected to a ball-milling process and a block-pressing process. A TixMo1-xC solid solution is prepared in a vacuum furnace in a sintering manner. The TixMo1-xC powder material is high in purity, is single in phase components, can be used not only as an additive of titanium carbide based metal ceramic or titanium carbonitride based metal ceramic but also as a substrate raw material for developing a titanium-molybdenum carbide based metal ceramic material.

The invention provides an intermediate alloy nickel-molybdenum 30 additive for a titanium-molybdenum-nickel-titanium alloy ingot, as well as a production method. The intermediate alloy additive comprises the following components in percentage by weight: 69-73% of Ni, and 29-31% of Mo, and the balance of impurities, wherein the total percentage of Ni and Mo is 100%. The production method comprises the following steps: according to the proportion of components in the alloy, preparing raw materials, pouring a mold, smelting and casting, sampling and analyzing, magnetically separating, manually sorting and encasing. According to the intermediate alloy nickel-molybdenum 30 additive and the production method, the intermediate alloy cost of the titanium-molybdenum-nickel-titanium alloy ingot can be lowered greatly; especially impurities of S, P and the like in nickel can be well removed by adding nickel-magnesium alloy in manufacturing, and magnesium is volatilized during the smelting process and has no residues in the ingot, therefore, the increase of harmful impurity elements in the titanium-molybdenum-nickel ingot can be better controlled.

A task of the present invention is to provide a Ti—Mo alloy material which can be improved in the yield stress at room temperature by the precipitation of an aged omega phase in the Ti—Mo alloy while maintaining large ductility at room temperature, and a method for producing the same.

Provided is a Ti—Mo alloy collectively having an Mo content of 10 to 20 mass %, wherein the Ti—Mo alloy has a winding belt-like or swirly segregation portion having a width of 10 to 20 μm in the plane of a backscattered electron image (BEI) or an energy dispersive X-ray spectroscopy (EDS) image of the Ti—Mo alloy, as examined under a scanning electron microscope, in which Mo content is larger than the collective Mo content of the Ti—Mo alloy. When generally observing the entire plane examined, a segregation structure in a swirly form can be observed.

Further, provided is the Ti—Mo alloy which has been subjected to aging treatment so that an aged omega phase is precipitated along the segregation portion. When generally observing the entire plane examined, an aged omega phase structure in a swirly form can be observed.

The invention discloses a high-Mo-content biomedical beta-titanium alloy and a preparation method thereof. The alloy comprises three alloy elements including titanium (Ti), molybdenum (Mo) and stannum (Sn). Alloy components of the alloy comprise, by weight percent, 20%-60% of the molybdenum (Mo), 0-20% of the stannum (Sn) and the balance titanium (Ti). The alloy is prepared through a high-temperature melting method, an electric arc melting method, a powder metallurgic method, a high-frequency induction method or a mechanical alloy method. The alloy has the following beneficial effects that the alloy elements including molybdenum and stannum completely compatible with the human body are selected, excellent biocompatibility is achieved, and toxicity is avoided; and the elasticity modulus is low (E=50-60 GPa) and is lower than that of a Ti-6Al-4V alloy by 40%-50%. The alloy can be used as a biomedical titanium alloy for dentistry and is mainly used for clinic mouth rehabilitation, implanting, orthodontics and the like.

The invention provides a method for preparing a high-strength micro porous metallic titanium block by dealloying a titanium-molybdenum alloy. The method is characterized in that the titanium-molybdenum alloy is treated through plasma activated sintering, molybdenum in the alloy is corroded selectively in a dealloying manner, obtained porous titanium is subjected to deoxidation and secondary sintering by the combination with a molten salt electrolysis method, so that the purity and the mechanical performance of a porous titanium block are greatly improved, and the high-strength porous titaniumblock is obtained. A titanium-molybdenum bicontinuous three-dimensional network-structured titanium-molybdenum alloy is prepared through plasma activated sintering; the pore structure of the porous metallic titanium block is regulated and controlled by changing the content of titanium and molybdenum elements; the obtained porous titanium is subjected to deoxidation and secondary sintering by adopting the molten salt electrolysis method, so that the purity and the mechanical performance of the porous titanium block are greatly improved; the high-strength porous titanium block of which the aperture is 5-10 [mu]m, the porosity is 78.5%-44.6%, and the compressive strength can reach 152.3 MPa can be obtained by adopting the process; and the method has the advantages of simple process, low cost,high practicability and the like.

The invention provides a silver powder-containing metallurgic titanium-molybdenum-aluminum-vanadium alloy and a preparation method thereof. The alloy comprises the following components in percentage by weight: 2 to 8 percent of Mo, 3 to 7 percent of Al, 2 to 6 percent of V, 2 to 10 percent of Ag and the balance of titanium and inevitable impurities. The preparation method comprises the following steps of: according to the weight percentages of the components, weighing titanium powder, molybdenum powder, aluminum powder, silver powder and aluminum vanadium intermediate alloy powder with certain granularity; uniformly mixing the powder by adopting a mixing method; and pressing the powder to prepare a green body with certain shape through a compression molding process; putting the green body in a vacuum sintering furnace for sintering, and obtaining the argentiferous titanium-molybdenum-aluminum-vanadium alloy after the furnace is cooled. In the preparation method, the process flow is simple, the silver powder is added into mixture to improve the compactibility of the green body and further increase the density of a sintered body, and thus, the highly-densified silver powder-containing metallurgic titanium alloy is obtained. The preparation method is suitable for industrialized production.

Various embodiments herein relate to electrochromic devices, as well as methods and apparatus for fabricating such electrochromic devices, wherein the material of the electrochromic layer (106) includes tungsten titanium molybdenum oxide which is cathodically coloring. In certain embodiments, the electrochromic device may include one or more particular counter electrode materials. The material ofthe counter electrode material may include electrochromic nickel tungsten oxide, nickel tungsten tantalum oxide, nickel tungsten niobium oxide, nickel tungsten tin oxide, or another nickel-based anodically coloring material.

The invention discloses a preparation method of a molybdenum-titanium alloy material. The method is carried out in a high-temperature evaporation chamber, a cooling tube and a collector which communicate with one another in sequence. The preparation method comprises the following steps that a molybdenum raw material and a titanium raw material which are added are evaporated into mixed vapor through the high-temperature evaporation chamber, then the mixed vapor is cooled into fine particles in a water cooling manner through the cooling tube, then, then the fine particles enter the collector through a filter screen with fine filter holes, and finally drying is carried out to obtain high-purity nanoscale titanium-molybdenum alloy powder. By using the mode, the oxygen content in the prepared titanium-molybdenum alloy powder can be reduced, the titanium-molybdenum purity is greatly improved, and the particle size of the alloy powder is consistent.

The invention discloses a bone repair titanium-molybdenum-based hydroxyapatite composite material and a preparation method thereof. The composite material is prepared by mixing a titanium-molybdenum alloy, a process control agent and hydroxyapatite. The prepared composite material is low in elasticity modulus (30-50 GPa), high in compressive strength (500-1550 MPa) and high in hardness (300-520 HV), contains a large number of bioactive ceramic phases (CaTiO3, Ca3 (PO4) 2, HA and the like), is beneficial to induction of osseointegration, has excellent mechanical properties and biological activity, and can be used for bone repair and bone replacement.

The invention discloses an aluminum-titanium-molybdenum intermediate alloy. The alloy comprises, by mass, 50.0-55.0% of molybdenum, 1.0-5.0% of titanium and the balance being aluminum. The preparationmethod of the aluminum-titanium-molybdenum intermediate alloy comprises the following steps of uniformly mixing aluminum, molybdenum trioxide and calcium fluoride, placing a mixture into a reaction crucible for aluminothermic reaction to obtain an alloy liquid, and cooling the alloy liquid to obtain an aluminum-molybdenum intermediate alloy; and uniformly mixing the aluminum-molybdenum intermediate alloy and titanium sponge, placing a mixture into a smelting crucible, performing vacuumizing, argon filling and smelting, performing refining after materials are completely melted to obtain an alloy liquid, and performing casting and cooling to obtain the aluminum-titanium-molybdenum intermediate alloy. According to the aluminum-titanium-molybdenum intermediate alloy and the preparation methodthereof, the aluminum-titanium-molybdenum intermediate alloy is uniform in component, small in segregation and low in impurity content.

The invention relates to high-strength composite solder. Deposited metal formed by the solder comprises, by mass percentage, 0.04%-0.08% of carbon, 0.30%-0.50% of silicon, 4%-8% of manganese, 10%-18%of nickel, 4%-8% of chromium, 2%-4% of titanium, 0.4%-0.8% of molybdenum, 60%-70% of iron and the balance impurities, specifically, the weight ratio of the nickel to the chromium is 2-3:1. The high-strength composite solder has the high strength and the high mechanical stretch performance, is stable in performance under the high temperature condition, low in cost and few in electric arc splash, and easily achieves slag removal.

The invention discloses a titanium alloy valve rod preparation method of a plug valve. The process comprises a first step of choosing beta titanium alloy with titanium and the molybdenum as a cast object, wherein the content of molybdenum is from 6.5% to 18%. The beta alloy is fused under the temperature higher than 1550 DEG C, and the fused alloy is cast precisely into a valve rod blank piece. Hot isostatic pressure can be carried out when the highest temperature is equal to beta transformation temperature of the titanium and molybdenum alloy and the lowest temperature is 100 DEG C lower than beta transformation temperature. Solution annealing is carried out under the temperature from 700 DEG C to 900 DEG C. The alloy is heated to 650-760 DEG C. The process of heat preservation is carried out for 3-5 hours. When a furnace is cooled to 300 DEG C, the process of the heat preservation is carried out for 4 hours, and then the alloy is heated to 650-760 DEG C. The process of the heat preservation is carried out for 17 hours. The alloy is cooled to 450 DEG C at a speed of 50 DEG C per hour and then at a speed of 20 DEG C per hour, and the beta alloy is cooled to 140 DEG C. Heat treatment and subzero treatment have high production continuity. Material utilization rate is high. The beta alloy is suitable for mass production, and cost is reduced.

The invention discloses a titanium-molybdenum-zirconium metastable beta titanium alloy surface modification method, and relates to the technical field of medical metal material surface functional modification. The method comprises the following steps: firstly, carrying out acid etching treatment on titanium-molybdenum-zirconium metastable beta titanium alloy, then putting the titanium-molybdenum-zirconium metastable beta titanium alloy into a mixed aqueous solution of H2O2 and H3PO4 for hydrothermal reaction, and finally preparing surface-modified titanium-molybdenum-zirconium metastable beta titanium alloy by controlling reaction conditions. According to the method, the main inorganic component P element of bone is successfully doped into the Ti-Zr-Mo alloy, so that the prepared titanium alloy material has low elastic modulus and high surface bioactivity, is free of biologically toxic elements, and has wide application prospects in the fields of clinical prosthodontics, implantation, orthodontics, hard tissue repair and the like.

The invention discloses a titanium-molybdenum-nickel alloy composite board which is used for manufacturing a power plant chimney. The titanium-molybdenum-nickel alloy composite board comprises a titanium-molybdenum-nickel alloy board and a substrate steel board; the titanium-molybdenum-nickel alloy board is made of titanium-molybdenum-nickel alloy and prepared from, by weight, 0.2%-0.4% of molybdenum, 0.6%-0.9% of nickel, 0.08% of carbon, 0.15% of silicon, 0-0.015% of hydrogen, 0-0.2% of oxygen, 0.3% of ferrum and the balance titanium. According to the titanium-molybdenum-nickel alloy composite board, the structures of the titanium-molybdenum-nickel alloy board and the substrate steel board are more reasonable, the cost performance of the metal composite board for a power plant is improved, the life of the metal composite board is prolonged, the usage temperature is increased, the unit capacity is increased, the design requirements are completely met, and the economical effeciency is high. The invention further provides a manufacturing method of the composite board.

The invention discloses a method for preparing high-purity metal ytterbium through one-time continuous reduction distillation. The method comprises the steps that a vacuum smelting furnace is adopted,a basic raw material pressing block is placed in a metal crucible, and titanium and molybdenum-manufactured double-plug plates are arranged at different temperature transition sections of a distillation system; a combustion chamber of the vacuum smelting furnace is vacuumized to be 10 Pa or below, current delivery and heating are carried out, the heating rate, and thermal insulation time are controlled for heating, metal lanthanum is used for thermal reduction on high-purity ytterbium oxide, a generated metal ytterbium is condensed in a receiver after being distilled by the double-plug plates, a diffusion pump is closed after distillation is completed, argon is filled, and cooling is conducted to a normal temperature according to the set cooling speed and time. The invention further discloses the vacuum smelting furnace. According to the method, stable operation of a distillation process is ensured, the metal ytterbium is low in overflow rate, the rare earth yield is high, impurity entrainment is effectively removed, and lanthanum impurities in the metal ytterbium are greatly reduced.