36results about How to "Fully hardened" patented technology

The invention discloses a single event radiation effect resistant reinforced latch circuit. The single event radiation effect resistant reinforced latch circuit comprises a first transmission gate unit, a second transmission gate unit, a Schmitt inverter, a conventional input separation inverter, a first input separation clock-controlled inverter, a second input separation clock-controlled inverter, a delay circuit and a MullerC unit circuit. When the single event radiation effect resistant reinforced latch circuit operates under a transparent mode, a hysteresis effect of the Schmitt inverter and a delay difference of a latch interior unit are effectively used and SET pulses from a combinational logic unit are shielded through the MullerC unit; when the single event radiation effect resistant reinforced latch circuit operates under a latch mode, any interior node generating SEU due to the irradiation effect can be recovered through states of other nodes through a DIC unit structure having a self-recovery capability and correct output of the latch is guaranteed; accordingly the single event radiation effect resistant reinforced latch circuit has the advantages of effectively eliminating the radiation effect influences and being applicable to a clock gating circuit and small in power consumption and area costs.

A liquid crystal display panel is prepared as setting the first baseplate opposite to the second one and placing liquid crystal layer between said two baseplates, using glue line to bind said two baseplates, dividing each of said two baseplates to be a central portion and peripherical portion, scattering light interval objects in either central portion or peripherical portion of the two baseplates and confirming that its distribution density in central portion line near to glue line is greater than distribution in central portion far from glue line.

The invention discloses a tool joint for petroleum drill pipe against erosion of sulfureted hydrogen and a heat treatment method thereof. The tool joint is made of the steel pipe comprising the following ingredients (wt%): C: 0.3-0.4; Si: 0.1-0.5; Mn: 0.4-1.0, Cr: 0.3-1.2, Mo: 0.4-1.0; V: 0.05-0.15; Nb: 0.04-0.1; Ti: 0.01-0.1; Cu: 0.1-0.4; Ni:0.1-0.4; P<=0.010; S<=0.005, the rests are Fe and unavoidable impurities. The heat treatment method of the tool joint comprises the steps of: heating the whole to 850-1000 DEG C and then cooling in an oil tank, after that, tempering at AC1 temperature which is over 680 DEG C and lower than the material. The invention not only guarantees the sufficient quenching of the tool for drill pipe, but also not produce quenching crack with outstanding performance resisting sulphur.

The invention discloses an electroslag ignition agent and a preparation method thereof. The electroslag ignition agent is used for igniting and remelting slag material in an electroslag remelting technology to establish electroslag. The ignition agent comprises the following raw material components in percentage by weight: 25-35% of fluorite powder, 2-12% of silica powder, 30-40% of graphite electrode powder, 1-11% of quicklime powder and 18-28% of water glass. The preparation method comprises the following process steps: preparing mixed dry powder: uniformly mixing the raw materials according to the content in percentage by weight of each raw material and the carrying capacity of a mold to obtain the mixed dry powder; mixing with sludge, loading into the mold, adding the water glass into the mixed dry powder, stirring till no dry powder exists, loading a mixture which is uniformly stirred into the mold, tamping and compacting; blowing gas, demolding, blowing CO2 into the mold, and demolding after stopping gas blowing to obtain an ignition agent block; and drying at low temperature. The ignition agent disclosed by the invention has a good arc starting effect in the using process and can avoid a titanium-increasing effect, and high-temperature smelting is not required in the manufacturing process of the ignition agent.

The invention provides a production method for making bricks from building waste. The building waste can be recovered effectively and made into bricks by means of the method, so that resource utilization of the building waste is achieved, and environmental pollution caused by stacking or landfill of the building waste is avoided. The process comprises the following steps: A, pre-treatment: firstly, reducing the building waste to 0.5m; B, charging; C, primary crushing: carrying out primary crushing through a jaw crusher; D, deironing; E, secondary crushing: conveying a material without iron toan impact crusher to be crushed secondarily; F, screening: screening the secondarily crushed material to different specifications through a vibrating screen; G, preparing brick-making raw materials: proportioning the screened regenerated fine aggregate in a proportion as follows: 65% of mud powder, 15% of cement and 20% of regenerated aggregate; H, brick making: conveying the uniformly stirred rawmaterial to a hopper of a brake maker; and I, maintaining: transferring ecological bricks produced in the brick maker to a maintaining region to be maintained.

The invention discloses a colored inorganic exterior wall coating which comprises 30-50% of white cement, 40-60% of calcium carbonate powder, 5-20% of iron oxide pigment, 1-5% of hydroxypropyl methyl cellulose and 5-10% of ammonium bicarbonate; and the production process is as follows: adding the raw materials into a stirring kettle according to the proportion, stirring, uniformly mixing and packaging to get the product. The exterior wall coating has the advantages of good stability, simple process, low cost and broad market space.

The invention relates to a resin composition hardened through light irradiation of ultraviolet rays or visible lights, and proposes a resin composition which is highly sensitive to light and can be fully hardened even through a low-energy light. The solution of the invention is to provide a photo-hardening resin composition including components: (A) an oxime compound having a furan structure in molecules and (B) a hardening compound.

The invention relates to a molding sand preparation method for casting 350-kilometer axle boxes, and belongs to the technical field of casting axle boxes of railways. The molding sand preparation method includes the steps that firstly, the proportioning of molding sand is quartz sand of 100% by mass, binder and inorganic hardener; the binder is composed of phenolic resin and powder coupling agents, wherein the amount of phenolic resin is 1.6-2.5% of the quartz sand by mass and the amount of powder coupling agents is 10-50% of the quartz sand by mass; secondly, the sand is subjected to mixing;thirdly, air holes are formed; fourthly, a blowing hardening process is carried out; and fifthly, molding is carried out. A developed two-component carbon dioxide hardening resin is used as a raw material; a carbon dioxide hardening process is adopted to prepare the molding sand for casting 350-kilometer axle boxes of American railways, and according to the preparation method, the efficiency is high, the raw materials can be reused, and the cost is greatly reduced.

The invention relates to the technical field of platinum, and in particular relates to a platinum hardening process which comprises steps of baking mixture powder consisting of platinum, sodium chloride, ammonium bifluoride and silicon carbide, and subsequently boiling in water. By adopting the process, the hardness of platinum can be remarkably improved, and the Vickers hardness of platinum is increased to 175 from 54 before process. In the baking process, a container is shaken and oscillated at intervals, so that the surface of platinum comes into full contact with the powder, the surface of platinum can be sufficiently hardened, and the hardening effect is better.

A making method of a glass lubrication pad for steel tube hot extrusion comprises the following steps: a) glass powder comprises 30 to 50% of glass powder with the particle size of 20-40 mesh, 30 to 50% of glass powder with the particle size of 40 to 60 mesh and 10 to 30% of glass powder with the particle size of 60 to 80 mesh; 2) sodium silicate is used as a binder for molding of the glass powder, and the weight ratio of the glass powder to the sodium silicate is 100:1-3; 3) a mixture of the glass powder and the sodium silicate is put into a molding mold for molding, when in molding, the molding pressure is 0 or not more than 100kPa; and 4) CO2 is charged into a mold cavity, so that the CO2 is infiltrated into the mixture, the gas flow per liter of the mixture of the glass powder is 0.1-5L / min, and the gas charging time is 10 to 100 seconds. Through the making method, the glass lubrication pad can be reinforced in the molding mold in the making process, and has certain strength, so that the glass lubrication pad is not easy to break in a moving process, and the problem of difficult molding of the glass lubrication pad with a local complex structure can be also solved.

An embodiment of the present invention relates to an adhesive for skin application, which contains a polyurethane polyol (P) and an organic isocyanate (C), and wherein the polyurethane polyol (P) is a reaction product of a polyol component (A) containing a polyether polyol (a1) and a polyisocyanate component (B), has a hydroxyl number of 2.0-45 KOHmg/g, has a weight average molecular weight of 25,000-300,000, and has a hydroxyl number of 1-5 KOHmg/g. The molecular terminal of the polyether polyol (a1) is a hydroxyl group, the content of primary hydroxyl groups in the hydroxyl group is 40 mol% or more, and the average number of hydroxyl groups is 2 or more.

The invention discloses an integral hot working sizing tool for disc parts. The integral hot working sizing tool for the disc parts comprises a disc part, a bolt, a gasket, a pressing body and a nut, wherein the disc part is arranged on the pressing body and is pressed and corrected through the bolt, the gasket and the nut; a plurality of oil grooves are formed in one side face of the pressing body; and a conical face is arranged on the other side face of the pressing body. According to the integral hot working sizing tool for the disc parts provided by the invention, heat treatment deformation of the disc parts can be effectively controlled, synchronous heat correction is conducted in the tempering process of heat treatment, the problem that the parts are greatly deformed under the action of heat stress and structural stress in the heat treatment process is solved, and the deformation of the parts is controlled within the range of finish machining and reserved grinding amount, so that the processing quality of heat treatment is ensured, and economic benefits are created for factories.

The present invention relates to an adhesive for a display and an optical member. The present invention provides an adhesive for a display which has high sensitivity to light, is sufficiently hardenedby low-energy light, and has high hardenability in a portion that is not sufficiently illuminated. The binder for a display of the present invention contains the component (A): a photopolymerizationinitiator represented by the following formula (1); and the component (B): a binder for a display of a photopolymerizable compound; in the formula (1), X a residue obtained by removing n hydrogen atoms from a saturated hydrocarbon having a ring structure, or a substituent represented by the following formula (1-1); when X is a residue obtained by removing n hydrogen atoms from a saturated hydrocarbon having a ring structure; When n represents an integer of 1 to 6, and X is a substituent represented by the formula (1-1), n represents 1. R1 to R7 represent a predetermined substituent; in the formula (1-1), R8 represents an alkylene group or an arylene group; R9 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; and Y represents an oxygen atom or a sulfur atom.

The invention relates to the technical field of rail cutting, and discloses a zirconium-plated carbonized high-strength heat-dissipation rail cutting grinding wheel formula and process. The grinding wheel formula mainly comprises the following components in percentage by weight: 39.22% of zirconium-plated white corundum, 19.61% of calcined corundum, 19.61% of brown fused alumina, 2.35% of iron sulfide, 4.71% of cryolite, 21.57% of KEP, 0.39% of carbon black and 12.55% of resin. According to the problems, such as machine requirements of a high rotating speed, high power and large stress in theworking process of the grinding wheel, and high safety coefficient requirements on the grinding wheel, of an existing rail cutting grinding wheel, the formula is provided.