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JP2009161855A |
To produce an ingot with excellent quality wherein impurities such as HDI (High Density Inclusion) and LDI (Low Density Inclusion) in a metal ingot are suppressed to an extremely low level.Disclosed is a device for melting a metal, provi...
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JP4296158B2 |
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JP4285078B2 |
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JP2009113074A |
To provide a method for manufacturing a billet for forged piston by which the billet excellent in a formability (forgeability) can be manufactured.The method for manufacturing the billet for forged piston includes the steps of; filtering...
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JP2009066650A |
To provide an atmosphere cutting method upon the start of continuous casting, where sealing can be retained even without performing covering while the atmosphere coming in contact with a molten alloy is purged.The atmosphere cutting meth...
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JP4245351B2 |
A method of producing a nickel base alloy includes casting the alloy within a casting mold and subsequently annealing and overaging the ingot at at least 1200°F (649°C) for at least 10 hours. The ingot is electroslag remelted at a melt...
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JP4243192B2 |
The invention relates to a method of producing metallic and intermetallic alloy ingots by continuous or quasi-continuous billet withdrawal from a cold wall crucible, which is characterized in that the alloy material is continuously or qu...
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JP4231530B2 |
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JP2009039752A |
To provide a casting apparatus which is manufactured relatively compactly at low cost, and capable of reliably releasing an ingot of aluminum cast for each of a plurality of molds from the molds.The casting apparatus 1 continuously casts...
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JP4230123B2 |
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JP2009034714A |
To provide a casting apparatus, which is comparatively compact and manufactured at low cost and is capable of certainly separating ingots of aluminum or the like from a plurality of molds each of which keeps the ingots cast in.A casting ...
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JP2009023003A |
To provide a formulation suitable for the manufacture of ferrules and other feeding head and supply elements for casting moulds composed of a fibrous refractory as an insulating or exothermic material, and having insulating properties or...
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JP4214711B2 |
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JP2009501633A |
Molten metal is injected uniformly into a mold from a feed chamber in a horizontal or vertical direction at a controlled rate, directly on top of the metal already within the mold. A cooling medium is applied to the bottom surface of the...
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JP4211386B2 |
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JP2008540129A |
Methods for producing pigs made of a metal alloy, wherein initially a melt is formed in which a basic material and one or several alloy components are present in the liquid state, from which the pigs are formed. In the course of cooling,...
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JP4182746B2 |
To provide an optimized complex slab by combining a plurality of slabs. A value adding the needed weight of a plurality of slabs to be combined is compared with a permissible upper limit weight of the complex slab (step S1-step S3). In t...
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JP2008274329A |
To provide low-carbon ferritic stainless steel, in which molten low-carbon ferritic stainless steel is cast in a mold and further a solidification structure is refined in the course of cooling until solidification and equiaxed crystals a...
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JP2008264816A |
To provide a method for preventing deterioration in a steel ingot surface texture and entrainment of a covering material into molten steel, the covering material covering the surface of the molten steel in a bottom-pouring ingot-making m...
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JP4171779B2 |
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JP2008246500A |
To provide a method for quantitatively evaluating the slagging property and the melting property of mold powder to be used for the continuous casting method or the ingot casting method of steel.A ratio of the mass of the slagged mold pow...
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JP2008240098A |
To provide an extremely-low-carbon ferritic stainless steel, in which solidification structure is refined and equiaxed crystals are increased during a cooling process carried out during casting of a molten steel of the extremely-low-carb...
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JP4162865B2 |
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JP2008229635A |
To provide a steel ingot shape which prevents the fissure and crack due to the shape of a well part in the bottom of a flower-shaped steel ingot and to obtain a satisfactory yield by press forging in extend forging.The steel ingot consis...
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JP2008229708A |
To provide an ingot production device for wire drawing capable of uniformizing a cast composition, capable of reducing shrinkage cavities and voids as well, and having the effects of suppressing variation in mechanical properties and red...
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JP4157850B2 |
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JP4160103B1 |
To provide a steel ingot for forging having excellent fatigue characteristics and hydrogen crack resistance. The density of inclusions having a major axis of 5 to 10 μm observed in a steel cross section at the lower part of a steel ingo...
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JP4157616B2 |
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JP2008223129A |
To provide an extralow carbon ferritic stainless steel in which a solidified structure is refined, and equiaxed crystals are increased, and to provide a method for producing the same.A molten iron is subjected to decarburization refining...
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JP4154385B2 |
Provided is a rheoforming apparatus that ensures the manufacture of products with fine, uniform, spherical particles, with improvements in energy efficiency and mechanical properties of the products, cost reduction, convenience of formin...
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JP2008200695A |
To stably manufacture a high oxygen titanium ingot having a small deviation of oxygen concentration.When manufacturing a compact to be used as a consumable electrode in manufacturing the high oxygen titanium ingot by the consumable elect...
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JP2008200715A |
To provide a method for casting an ingot for a bonding wire, which prevents generation of shrinkage cavities, one of casting defects, and hardly causes segregation of components.An ingot for a bonding wire is manufactured through a lower...
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JP4139976B2 |
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JP4122308B2 |
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JP4113967B2 |
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JP4114445B2 |
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JP2008142717A |
To provide a method for making an ingot of Ti and Ti alloy or TiAl, which method can surely make the ingot composed of Ti, etc. so as to have an excellent casting surface, and further to provide an ingot making apparatus to be used for t...
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JP4099884B2 |
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JP4099062B2 |
The present invention relates to a process for reducing riser size and/or number in sand or permanent mold casting, the process comprising the steps of: providing an electric arc electrode and positioning the electric arc electrode sligh...
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JP2008093695A |
To provide a method and an apparatus for producing a magnesium alloy ingot excellent in the quality containing the surface which can be obtained without developing the difficulty on the mechanism.The apparatus produces the magnesium allo...
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JP4072571B2 |
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JP4066541B2 |
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JP2007335118A |
To provide a manufacturing method of a niobium cavity in which a relatively large and uniform crystal grain size characteristics are formed. The niobium cavity is manufactured by a deep drawing of a slice or tube of cast niobium ingot ra...
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JP2007319883A |
To provide heat insulating material having an excellent heat retaining property, enabling the cost thereof to be reduced and having excellent handleability. The heat insulating material is composed of 20-50 wt.% papermaking pulp, 5-20 wt...
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JP2007531630A |
The invention relates to a method for the production of moulded parts made of light-metal alloys, particularly using a diecasting method, wherein moulded parts having a reduced weight are produced. According to the invention, the mould c...
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JP2007289979A |
To provide a cast slab of Ti-added case hardening steel in which the formation of TiN or N-enriched TiCN inclusions with a large diameter exerting adverse influence on its machinability is suppressed. The cast slab of a Ti-added case har...
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JP2007290023A |
To provide a heat insulating material for molten metal vessel having stable heat insulative property without generating pick-up of carbon. This heat insulating material for molten metal vessel is added with ≥0.5 mass% of at least one o...
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JP3993152B2 |
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JP2007260736A |
To provide a method of adding a rare earth metal to a steel ingot with which a high product yield can be achieved by assuring the uniformity of a distribution of the rare earth metal in a longitudinal direction in the steel ingot. The me...
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JP2007224340A |
To provide a production method for producing a high purity silver ingot by heating and melting silver powder including at least one kind of an impurity element selected from among lead, tellurium or selenium, the method in which each con...
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