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JPS60152652A |
PURPOSE: To manufacture a magnet having superior coercive force and magnetic susceptibility by blending Fe with Gd and a specified element such as B in a specified atomic ratio, melting the resulting alloy, and solidifying the molten all...
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JPS60152359A |
PURPOSE: To obtain a composite material in which the binding state of the 2nd phase and a base material is satisfactory by disposing the plural 2nd phase blank materials in a mold space and slag in the other space and performing electros...
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JPS6034614B2 |
PURPOSE:To extremely reduce a change in Al and S contents by using MgF2- base slag when steel or alloy contg. Al and S is remelted using electroslag. CONSTITUTION:When steel or alloy contg. Al and/or S is remelted using electroslag, slag...
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JPS60141360A |
PURPOSE: To improve reproducibility by providing a hermetic chamber which contains a melting crucible, casting mold, etc., and can be freely evacuated and pressurized and enabling automatic and simultaneous execution of pressurization of...
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JPS6031589B2 |
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JPS60124442A |
PURPOSE: To form a deposited metal into the uniform structure free from high- temp. cracking in combining of a hollow steel ingot by an electroslag method by shifting uniformly the dropping position of a consumable electrode near the ins...
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JPS60108156A |
PURPOSE: To obtain a composite member having a Ni-Al intermetallic compd. without heat treatment by immersing a foamed nickel metal having a limited pore size for limited time in molten aluminum pressurized to limited pressure. CONSTITUT...
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JPS6023904B2 |
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JPS6096738A |
Process and system for the production of very pure alloys. The starting materials are first melted and vacuum treated in an induction crucible inside a vacuum melt system, and then are poured into a second melt crucible, and there brough...
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JPS6021024B2 |
A hot-top for the production of ingots using an electroslag remelting process, comprises a ceramic hot-top having non-consumable electrodes embedded in the radially inner side walls thereof, the exposed surfaces of the electrodes compris...
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JPS6092062A |
PURPOSE: To improve corrosion resistance, durability and color by coating metallic powder which has the m.p. higher than the m.p. of a molten metal and forms an alloy on the inside surface of a prescribed casting mold then pouring the mo...
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JPS6083764A |
PURPOSE: To form fine grains of a crystal and to obtain a high-Cr cast iron blank material for a rolling roll having high toughness by using a CaF2-Al2Cl3 flux added with halogen or alkaline earth metal to melt, dephosphorize and desulfu...
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JPS6017535B2 |
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JPS6057011A |
PURPOSE:To improve yield of a journal by molding low alloy steel portion on a journal body by electroslag rewelding, annealing the low alloy steel portion and then machining it in a journal contour. CONSTITUTION:A turbine rotor 1 is vert...
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JPS608897B2 |
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JPS6036631A |
PURPOSE: To enable production of a sound casting ingot having no segregation by allowing the melt of an Al-Li alloy or the like which is liable to segregate in the stage of solidifying to flow down from the bottom of a tundish, spraying ...
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JPS605971Y2 |
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JPS606746B2 |
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JPS6027445A |
PURPOSE: To improve the melt stickability between a material to be melted and a molten metal with a titled process for producing a steel ingot having different sectional areas in an axial direction by rotating circumferentially a slag ba...
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JPS6024264A |
PURPOSE: To maintain surely the nonoxidative atmosphere in a casting mold by continuing introduction of an inert gas to the inside bottom part of a sand mold through a gas replacing hole placed seperately from a runner just prior to pour...
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JPS6021174A |
PURPOSE: To produce easily a bottomed hollow body having the wall thickness sufficient for required physical strength by constituting a male mold of a material having elastic deformability, coating a low-melting metal to the required par...
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JPS602141B2 |
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JPS609551A |
PURPOSE: To produce a defectless composite material without generation of an internal stress crack by melting a small amt. of a material having small sensitivity to thermal cracking by an electroslag refining method then melting the pres...
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JPS603950A |
PURPOSE: To produce easily a titanium slab having good quality at a low cost without requiring a rough forging stage by melting a square casting ingot of titanium which is tapered in the bottom and subjecting the molten titanium to bloom...
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JPS603963A |
PURPOSE: To smooth pouring into a casting mold, to prevent inclusion of gas and to reduce excess molten metal by pouring the molten metal into the mold which is kept evacuated from the side opposite to the opening of the runner and upset...
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JPS59232656A |
The metallurgical vessel comprises a continuous wall and a bottom plate and such vessel constitutes a mold for electrically remelting an electrode by resistance heating of an electrically conductive slag bath. The metallurgical vessel fu...
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JPS59232663A |
PURPOSE: To obtain a clean steel having satisfactory surface quality by pouring a molten steel from the bottom into a casting mold in a vacuum atmosphere and continuing degassing with steam droplets in an intermediate vessel during the e...
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JPS59225874A |
PURPOSE: To produce a long-sized cylindrical body having a uniform wall thickness without a joint part by forming a molten metal between a circular conical body for controlling an inside surface and a mechanism for sliding a copper cooli...
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JPS59225873A |
PURPOSE: To produce a casting having no casting defects and having high quality with a simple device by constituting a holding furnace of a large capacity holding furnace, small capacity holding furnace and intermediate furnace, descendi...
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JPS59225854A |
PURPOSE: To cast plural products while consuming patterns and to reduce the cost of patterns and man-hours for casting by connecting the consumable patterns consisting of one or several pieces to each other, embedding the same in a casti...
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JPS59218256A |
PURPOSE: To obtain a novel structure by packing a metal or metallic compd., etc. in a powder state into a casting mold then heating the mold to melt the powder and casting the molten metal or metallic compd. thereby eliminating the need ...
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JPS59212162A |
PURPOSE: To perform satisfactorily oxidation-free casting with the smaller amt. of an inert gas to be used by attaching a nozzle for gas sealing having double slits onto the outside circumference of a ladle nozzle and discharging air fro...
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JPS59202154A |
PURPOSE: To produce a metallic pipe having a stuck and solidified layer free from cracking and component segregation by bringing a molten metal into collision against a rotary plate disposed in a tubular body and sticking and solidifying...
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JPS59169343U |
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JPS59185565A |
PURPOSE: To perform casting in the form of dividing plural casting products with one time of charging by bringing plural casting molds into tight contact with each other, connecting the respective runners to form a connecting runner, and...
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JPS59185566A |
PURPOSE: To improve a feeding effect and the yield of casting products by upsetting a casting mold array upon ending of casting by bottom running, then putting the molten metal in a connecting runner into the product cavities and wells. ...
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JPS5940893B2 |
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JPS59169643A |
PURPOSE: To decrease the shrinkage in the stage of forming a casting mold and to prevent reaction with a molten metal in an investment casting method using a phosphate investing material by coating alumina, etc. on the surface of the cas...
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JPS5939496B2 |
A lining element for pulp refiners is made by casting from a steel alloy containing from 1.0 to 5 percent by weight of titanium present as titanium carbide grains having an average size of 10 microns or less and being uniformly distribut...
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JPS5938066B2 |
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JPS5937338B2 |
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JPS59141345A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS5927948Y2 |
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JPS5931426B2 |
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JPS59133964A |
PURPOSE: To produce an amorphous alloy having a prescribed shape in an improved yield and reduced man-hours without worry for generation of work strain by feeding a molten alloy between an anvil and a piston and cooling quickly the alloy...
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JPS5930507B2 |
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JPS59130673A |
PURPOSE: To perform casting and heat treatment in the same stage with the same device by feeding a metal to be worked into a casting mold, heating the same to melt by a high-frequency inductor on the outside of the casting mold to fill t...
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JPS59130672A |
PURPOSE: To produce a composite material with good productivity by introducing a cooling fluid in the hollow part of a cooling member provided with a fluid passage and cooling the sheath metal around a core material by using a draw ing d...
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JPS59106662U |
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JPS5926652B2 |
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