252 results about "Refined grains" patented technology

Abstract of the Disclosure The apparatus for operating on a workpiece includes a die defining first and second apertures and an interior therebetween. The first aperture and the interior of the die are structured to receive the workpiece. The interior of the die can be structured to shape the workpiece into a predetermined configuration. The apparatus includes at least one rotatable pin extending at least partially into the interior of the die. The pin is structured to at least partially stir the workpiece as the workpiece moves through the interior of the die to thereby refine the grain structure of the workpiece.

The invention discloses grain-refined gear steel and a production process of the grain-refined gear steel. The gear steel comprises the following compositions in percentage by weight: 0.14-0.22% of C, 0.20-0.35% of Si, 0.80-1.15% of Mn, 0.80-1.25% of Cr, 0.030-0.060% of Al, less than or equal to 0.035% of P, 0.015-0.030% of S, 0.0005-0.030% of B, less than or equal to 0.080% and more than or equal to 0.0140% of N, less than or equal to 0.30% of Ni, less than or equal to 0.30% of Mo, less than or equal to 0.20% of Cu, and the balance of Fe and inevitable impurities. The production process comprises the procedures of smelting, continuous casting and rolling. According to the invention, the refined grains of intracrystalline ferrite are fully used, so that the impact strength is improved, and the fatigue characteristic is improved.

The invention discloses an instant coarse grain rice partner and a processing method thereof, and belongs to the technical field of deep processing of agricultural products. The instant coarse grain rice partner comprises 3-7 parts of black bean, 5-13 parts of Semen Phaseoli, 1-5 parts of kidney bean, 1-5 parts of green bean, 4-14 parts of black rice, 5-9 parts of brown rice, 4-10 parts of red polished round-grained rice, 5-9 parts of naked barley, 3-7 parts of coix seed, 3-11 parts of sorghum, 5-9 parts of corn grit, 2-6 parts of oat grain, 4-12 parts of buckwheat, 3-11 parts of Panicum miliaceum, 2-10 parts of millet and 9-13 parts of glutinous rice. The invention also provides a processing method combining preliminary steam slaking with microwave slaking. The rice partner produced by using the method has the characteristics of coarse and refined grain matching, balanced nutrition, simultaneous cooking with rice, fastness and convenience, and can meet the nutritional needs of different groups of people.

The invention relates to a manufacturing method of high strength bluing strapping steel. The method includes the steps of smelting, hot rolling, cold rolling, uncoiling, striping, burring, bluing, cooling, waxing and drying. Steels free of alloying element of Nb are utilized to reduce the cost; the content of C is controlled to guarantee mechanical properties of products; the content of Mn is appropriately increased to improve the strength and hardness of raw materials and eliminate harmful effects of the S element to a greater extent; the content of Si is controlled to guarantee surface properties of the products; the contents of P and S are controlled to improve the purity of steels and reduce the possibility of brittle failures of products; and the content of Als is controlled to achieve the effects of refined grains and de-oxidation. The manufacturing method of the high strength bluing strapping steel has the advantages of being simple in process, low in cost and small in energy consumption and environmental pollution.

Provided are a jet device and systems and methods using the jet device for manufacturing objects by additive manufacturing, especially titanium and titanium alloy objects, wherein the jet device directs a cooling gas across a liquid molten pool, or to impinge on the liquid molten pool, or to impinge upon a solidified material adjacent to a liquid-solid boundary of the liquid molten pool, or to impinge on an as-solidified material, or any combination thereof, during the additive manufacturing process. The application of the cooling gas can result in an additively manufactured metal product having refined grain structure with a high proportion of the grains being approximately equiaxed, and can yield an additively manufactured product exhibiting improvements in strength, fatigue resistance, and durability.

The invention relates to minor cereal confected rice which is jointly cooked with rice and a processing method of the minor cereal confected rice. The minor cereal confected rice meets nutritional requirements on 'Chinese dietary guide' and is prepared based on a formula obtained by linearly planning demand on cereal energy caused by a human body. Raw materials in the formula are several of sorghum, foxtail millet, buckwheat, oat, barley, black rice, broom corn millet, glutinous broom corn and coix seed and are pretreated. The processing method of the minor cereal confected rice comprises the following steps: firstly screening minor cereals, removing impurities, soaking or atomizing and modifying the minor cereals, draining off, carrying out microwave puffing, carrying out hot-air drying, cooling, and carrying out mixed loading. The minor cereal confected rice has the advantages that the nutrients of refined grains and minor cereals are supplemented each other, and daily energy demand of a consumer is met; meanwhile, the minor cereals are processed by utilizing a microwave puffing technology, the original nutritional ingredients of food are maintained to the utmost extent, the processing time is short, and puffing, drying and sterilizing techniques can be completed at the same time; besides, rice and the minor cereals can be jointly cooked, and a complex operation that the minor cereals need to be cooked firstly and then rice is added and cooked with the minor cereals when people want to eat minor cereal rice at present is eliminated, so that the minor cereal confected rice is convenient and practical.

The invention relates to instant vegetable porridge, comprising the raw materials in parts by weight: 30-80 parts of refined grain, 10-50 parts of coarse cereals and 5-40 parts of vegetables, wherein the refined grain comprises rice; and the coarse cereals are one or more of mung bean, corn, oat, millet and soybean. The invention also relates to a method for processing the instant vegetable porridge. The instant vegetable porridge provided by the invention is rich in nutrition, convenient and fast for eating, and capable of meeting the requirements of people having fast pace of life. The method for processing the instant vegetable porridge provided by the invention is simple to operate.

The invention discloses novel high strength die-cast aluminum alloy material and a method for preparing the same. The novel die-cast aluminum alloy material takes the aluminum (Al) as the substrate and comprises the following elements by weight percent: 10-12 percent of silicon (Si), 0.5-1.0 percent of manganese (Mn), 0.5-3.0 percent of copper (Cu), 0-0.5 percent of titanium (Ti), 0.5 percent of ferrum (Fe) or less, 0-0.8 percent of other elements and the balance of aluminum (Al). The method for preparing the novel die-cast aluminum alloy material comprises the following steps: melting an pure aluminum ingot; keeping the heat of the melted pure aluminum ingot at 700-750 DEG C; adding the industrial Si, the industrial Cu, the Mn and the Ti to the melted pure aluminum ingot according to the formula, and stirring the industrial Si, the industrial Cu, the Mn, the Ti and the melted pure aluminum ingot with a mechanical stirrer; keeping the heat of the mixture for 30-60min; removing the slag and the gas with hexachloroethane for 10min; and modifying the mixture with the universal ternary modifier. Through improving the components of the die-cast aluminum alloy, the microstructure and the refined grain of the die-cast aluminum alloy in the crystallizing and the solidifying process are controlled, the morphology of the Si-Fe compound in the die-cast aluminum alloy is changed, the mechanical property of the die-cast part is improved, the elements in the die-cast aluminum alloy are dissolved in the substrate to form the solid solution, and the mechanical property of the die-cast aluminum alloy is improved.

The invention provides a magnesium alloy ultrasonic wave micro extrusion formed refined grain technology at normal temperature. The technology comprises the following steps of manufacturing a male die and a female die, placing magnesium alloy parts into a cavity of the female die, performing die assembly extrusion on the magnesium alloy parts, performing separating die sinking, and taking out a formed part. According to the first step, an amplitude-change pole and an amplitude-change pole are sequentially connected to the tail end of the male die and can be touched by an ultrasonic generator. The magnesium alloy ultrasonic wave micro extrusion formed refined grain technology at the normal temperature can reduce forming force of metal, reduces friction between materials and the dies, expands the machining range of metal material plastic forming, and improves plastic forming capability of the metal materials, and the good product surface quality and the higher size precision can be further obtained.

The invention relates to the manufacturing field of steel for a chrome-molybdenum heat resistant pressure container, in particular to a steel plate for a high toughness 15CrMoR pressure container. The steel plate is prepared by the following components in percentage by mass: 0.14-0.18% of C (Carbon), 0.15-0.40% of Si (Silicon), 0.45-0.70% of Mn (Manganese), no more than 0.020% of P (Phosphorus), no more than 0.005% of S (Sulfur), 0.90-1.10% of Cr (Chromium), 0.45-0.60% of Mo (Molybdenum) and the balance of Fe (Ferrum) and inevitable impurities. The steel plate for the high toughness 15CrMoR pressure container, provided by the invention, has the advantages as follows: (1) as impact toughness of 15CrMoR is high, low temperature impact performance is that transverse impact is not less than 80 J at -40 DEG C and far higher than the nationally specified transverse impact; (2) pure steel quality and low content of harmful elements such as S and the like; (3) as refined grain elements, such as Nb, V, Ti and the like, are not added, cost is greatly saved; and (4) when a requirement on low temperature toughness is satisfied, good conventional properties and good high-temperature tensile properties are obtained.

The invention discloses a 3D super-plasticizing treatment method and superplasticity precision shaping method for magnesium alloy. Within the superplastic deformation temperature range of the magnesium alloy, a non-hollow magnesium alloy casting obtained after forging pretreatment passes through at least two cycles to obtain a forging stock of the set size, and 3D super-plasticizing treatment is finished, wherein the non-hollow magnesium alloy casting passes through the axis Z, the axis X and the axis Y in sequence to press down the stock to achieve a cycle. By means of 3D super-plasticizing forging treatment, through large plastic deformation in all directions, homogenizing, grain refining and structure densifying of materials are fully achieved, refined grains are averagely smaller than 20 microns, the equiaxial grain refining effect is remarkable, and the strength performance of the casting can be greatly improved. Through the superplasticity precision shaping method for the magnesium alloy based on 3D super-plasticizing treatment, a light magnesium alloy transition car coupler with high strength is prepared out; and compared with an existing transition car coupler, the weight is reduced by about 75%, the strength is above 350 MPa, and the requirement for the service life of the transition car coupler of this type can be met.

The invention discloses a degradable nano calcium-phosphor compound reinforced magnesium-zinc alloy fracture inner fixing material. The inner fixing material comprises the following components in weight percentage: 1 to 10 percent of nano calcium-phosphor compound, 1 to 6 percent of Zn, and the balance being Mg. Nano hydroxyapatite rod-like granule or beta-calcium phosphate is used as a reinforcement to prepare a nano calcium-phosphor compound reinforced Mg-Zn composite material. Magnesium matrix is reinforced by an alloy element Zn, and refined grains of trace nano calcium-phosphor compound are added, so as to further reinforce alloy, improve alloy plasticity, and improve erosion resistance; and at the same time, the nano grains can effectively adsorb the matrix eroding product, namely hydrogen, and is induced to form a protection layer. The degrading rate of the composite material is controlled by the adding amount of the nano calcium-phosphor compound; the degraded products Mg<2+>, Zn<2+>, Ca<2+> and the like are necessary trace elements for human body. The material does not contain toxic elements, has favorable mechanical property, degrading rate and biocompatibility, can become a degradable fracture inner fixing material of new generation, avoids secondary operations, and meets clinical use requirements.

The invention provides a method for preparing gold noodles. With the adoption of the method, high lysine superfine corn starch, degreased soybean meal, high gluten wheatmeal, fresh hen eggs, grain milk powder, soy protein, lactalbumin, konjak powder, potato starch, vital gluten, edible salt, a thickening agent (407 carrageenan) and a thickening agent (415 xanthan gum) are taken as raw materials. The method comprises the following steps: directly grinding high lysine corns, wheat and degreased soybean; uniformly mixing the obtained high lysine superfine corn starch, degreased soybean meal and wheatmeal with other raw materials according to a certain ratio; adding water to make dough; and then carrying out the processes of combining, rolling, cutting into strips and drying and the like. The gold noodles have the characteristics of natural raw materials, comprehensive and balanced nutrition, and matched coarse grain and refined grain, thereby being beneficial for health; and the noodles are thin and smooth, golden in color, and golden silk type in shape, and the noodles are chewy and no thick soup is produced after the noodles are cooked thoroughly.

A method of forming a wrought material having a refined grain structure is provided. The method comprises providing a metal alloy material having a depressed solidus temperature and a low temperature eutectic phase transformation. The metal alloy material is molded and rapidly solidified to form a fine grain precursor that has fine grains surrounded by a eutectic phase with fine dendritic arm spacing. The fine grain precursor is plastic deformed at a high strain rate to cause recrystallization without substantial shear banding to form a fine grain structural wrought form. The wrought form is then thermally treated to precipitate the eutectic phase into nanometer sized dispersoids within the fine grains and grain boundaries and to define a thermally treated fine grain structure wrought form having grains finer than the fine grains and the fine dendritic arm spacing of the fine grain precursor.

The invention relates to instant fruit porridge, comprising the raw materials in parts by weight: 30-80 parts of refined grain, 10-50 parts of coarse cereals and 5-40 parts of fruits, wherein the refined grain comprises rice; and the coarse cereals are one or more of mung bean, corn, oat, millet and soybean. The invention also relates to a method for processing the instant fruit porridge. The instant fruit porridge provided by the invention is rich in nutrition, suitable for people having different constitutions to eat in different seasons, convenient and fast for eating and capable of meeting the requirements of people having fast pace of life. The method for processing the instant fruit porridge provided by the invention is simple to operate.

The present invention provides an improved structural assembly constructed of a plurality of structural members secured together. At least one of the plurality of structural members defines a first region characterized by comparatively high operational stress and a second region having a locally refined grain structure positioned such that the second region at least partially encompasses the first region to thereby enhance the strength, toughness and fatigue resistance of the at least one structural member in the first region. The present invention also provides a method for selectively improving the strength, toughness and fatigue resistance of a structural member in a region of high operational stress including the steps of casting the structural member in a pre-selected configuration. Regions of the structural member having comparatively high operational stress are identified. The structural member is secured to prevent movement. The region of the structural member having comparatively high operational stress is then mixed with a rotating friction stir welding probe to locally refine the grain structure of the structural member within the region of high operational stress to thereby improve the strength, toughness and fatigue resistance of the structural member in the region. The structural member can be secured to other structural members to form the frame of an aircraft. The improved structural assembly will have an increased operational life, as well as require less stock material with a corresponding decrease in the overall weight of the assembly.

The invention relates to the technical field of laser surface treatment and particularly discloses alloy powder for laser cladding and a method for laser cladding the alloy powder. The alloy powder for laser cladding comprises the following components in percentage by weight: 23-30% of TiC, 1-2% of free C and the balance of Ni 60. The alloy powder for laser cladding contains higher contents of C, Si, B and the like, so that a cladding layer has high temperature resistance, high abrasion resistance, high hardness, compact texture, refined grain and fewer pores and cracks; with adoption of the method for laser cladding the alloy powder, the working stability of a workpiece can be greatly improved, and the production cost can be effectively reduced.

The invention discloses a breeding method of black pigs. Pigsty breeding and breeding outside pigsties are involved in the breeding method. Pigsty breeding is adopted for piglets not older than 3 mouths and not heavier than 25 kg, 5-10 piglets are put in each pigsty, the piglets are fed three times a day, and 70%-80% of refined grain, 20%-30% of forage and a small amount of Chinese herbal medicine are selected as pig feed; breeding outside the pigsties is adopted for piglets older than 3 mouths and heavier than 25 kg, pig feed is put in three times a day, and 60%-70% of refined grain, 30%-40% of forage and a small amount of Chinese herbal medicine are selected as the pig feed; according to the formula, the Chinese herbal medicine comprises 15-20 parts of negundo chastetree fruits, 15-20 parts of rhizoma atractylodis, 10-15 parts of purslane, 10-15 parts of dandelion, 5-10 parts of wild chrysanthemum, 5-10 parts of plantain herb and 5-10 parts of folium artemisiae argyi. By means of the breeding method of the black pigs, refined grain is saved, the breeding cost is saved, the morbidity of the piglets is decreased, and the quality of pork products is improved.

The invention discloses a health-maintenance steamed meat powder. The steamed meat powder is prepared from the following raw materials in parts by weight: 28-32 parts of rice flour, 18-22 parts of steamed pteridium aquilinum starch powder, 4-6 parts of pit-removed red data powder, 4-6 parts of tuchahoe powder, 4-6 parts of Chinese yam powder, 4-6 parts of lycium chinense powder, 18-22 parts of corn flour, and 8-12 parts of soybean meal. The health-promotion steamed meat powder disclosed by the invention is prepared by uniformly mixing the raw materials and crushing the mixture to 40-60 meshes, and not only is nutritious, but also contains healthcare ingredients of a plurality of traditional Chinese medicinal materials and is good in taste after the coarse food grains and the refined grains are subjected to scientific combination.

The invention discloses a super-conventional heat treatment process for axial forgings of carbon steel in large forgings, comprising the steps of conventional quenching treatment, sub-temperature quenching and tempering. Incomplete austenitizing is adopted in the step of sub-temperature quenching, aiming to reduce intercrystalline precipitates and refined grains. The practical effect shows the aim is achieved. A detail must be paid attention to: the upper limit sub-temperature can not exceed Ac3. The process has the following advantages: obtaining the needed structure preparation through conventional quenching treatment, reducing the intercrystalline precipitates and refined grains through the incomplete austenitizing characteristic of sub-temperature quenching treatment under the premise of ensuring the strength, and improving the structure and the mechanical performance. The process ensures the common carbon steel to break through the bottleneck and obtain higher impact toughness.

The invention relates to a high count high density weft backed fabric and a manufacturing technique thereof, wherein, the fabric adopts weft backed weave structure; end spacing of the fabric is 240 ends per inch and weft density of the fabric is 240 picks per inch; warp threads adopt JC100 purified cotton folded yarns and weft yarns adopt JC80 purified cotton yarns. The manufacturing technique for the fabric is to adopt special technological methods in procedures like warping, slashing, denting, weaving and so on, thereby product quality is guaranteed, and quality and grade of products are obviously improved. By adoption of weft backed structure for weaving the high count high density fabric, the invention has the advantages of double-faced satin displayed on fabrics, bright luster of cloth covers, smooth hand feeling, refined grain and unique style; by adoption of 100 percent long stapled cotton, the invention has the characteristics of high count high density, flat and refined textile surface and good style of fabric covers.

The invention discloses a preparing method of a molybdenum tantalum alloy sputtering target material for a plane displayer, and belongs to the technical field of sputtering target materials for planedisplayers. The method comprises following steps of 1, powder selecting; 2, powder mixing; 3, pressing forming; 4, sintering; 5, vacuum heat treatment; 6, rolling; 7, machining and 8 binding packaging. In the preparing process, pollutions are avoided, little resource waste is caused, the cost input is little, and the cost is reduced; in the molybdenum tantalum alloy preparing process, hydrogen absorption embrittlement is prevented, the target material machining performance is improved, the high-density molybdenum tantalum alloy sputtering target material is prepared, the purity of a molybdenumtantalum alloy is ensured, and the high-density molybdenum tantalum alloy target material with the uniform and refined grains can be prepared finally.

A doped tin-indium solder composition is disclosed. The doped tin-indium solder exhibits a retained fine-grain structure and superplasticity after significant thermal cycling and thermal and mechanical stresses experienced in a microelectronic package. A process of forming the doped tin-indium solder is also disclosed. A microelectronic package is also disclosed that uses the doped tin-indium solder composition. A method of assembling a microelectronic package is also disclosed. A computing system is also disclosed that includes the doped tin-indium solder.

The invention discloses a production process of a Nb-containing mill coil for automobile; the production process comprises the following working procedures: raw material preparation, EAF eccentric bottom tapping arc furnace smelting, LF external refining, VD vacuum arc degassing processing, CCM continuous casting, continuous-casting shot blasting, fault detection, heating, 3/4 continuous system rolling and curling steel belt; in the invention, Nb is used as microalloying element and has obvious refined grain action; the toughness is improved while improving intensity, the cold bending property is good and the integrated mechanical property is high; continuous casting production process is adopted, rolling in one heat is used, the energy consumption is low, the production period is short and the comprehensive rolling yield is high.

The invention relates to a purified cotton hard twisted stripe and a manufacturing technique thereof, wherein, the stripe adopts combined weave of 5/2 kettsatin and 1/1 plain weave; end spacing of the stripe is 450.5 ends per ten centimeters and weft density of the stripe is 301 picks per ten centimeters; warp threads adopt JC7.3Tex single yarns with a twist number of 210 twists per ten centimeters and JC7.3Tex x 2 folded yarns; compound yarns are used for closely weaving satin weaves, and hard twisted single yarns are used for weaving plain weaves; fabrics are of thick and thin variable stripe effect; weft yarns adopt JC9.7Tex single yarns with a twist number of 240 twists per ten centimeters. In the aspect of the manufacturing technique, special technological methods are adopted in procedures like warping, slashing, denting, weaving and so on, thereby product quality is guaranteed, and quality and grade of products are obviously improved. Because the stripe adopts the combined weave of the 5/2 kettsatin and the 1/1 plain weave, the invention has the advantages of bright luster of cloth covers, smooth hand feeling and refined grain; because the compound yarns are used for closely weaving satin weaves and the hard twisted single yarns are used for weaving plain weaves, the fabrics are of thick and thin variable stripe effect and the style is unique.