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JP2014217853A |
To provide a method capable of easily and inexpensively manufacturing a spheroidizing agent solid particle of a desired size, while maximally avoiding mixing-in of fine grain powder, without adopting a large-scale crushing process of usi...
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JP2014195824A |
To provide a heat insulting board which makes it possible obtain steel ingots having excellent fatigue characteristics by surely keeping the temperature of molten steel in a mold and inhibiting the aggregation of alumina-based inclusions...
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JP5598147B2 |
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JP2014161876A |
To efficiently restrain the occurrence of a pipe-shaped defect.After completing injection of molten steel into a casting mold 3, a feeder head tapered part (i) of a casting mass feeder head part is pushed down by d[m] (0.005≤S d/X≤0....
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JP5566877B2 |
A method of forming bulk metallic glass engineering materials, and more particularly a method for forming coarsening microstructures within said engineering materials is provided. Specifically, the method forms ‘designed composites’ ...
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JP2014131811A |
To prevent closing of a nozzle, or inlet.Before vacuum casting in vacuum-casting an aluminum-killed steel, with the lower end central position of a nozzle 7 as the original point (0, 0), the position of the lower end part of a riser 22 o...
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JP5547937B2 |
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JP2014108430A |
To provide a novel feeder thermal insulation frame capable of effectively suppressing generation of enclosure of pig iron due to the feeder thermal insulation frame.The feeder thermal insulation frame for being disposed on an upper part ...
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JP2014079782A |
To produce a large steel plate with few defects.An ingot having a three-step taper is casted by an underside pouring ingot making method. The ingot body part SA has each different tapers in an upper part, a middle part and a lower part. ...
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JP2014076470A |
To provide a hanging bracket that is suitable for use in hanging a riser heat insulating sleeve.A hanging bracket has: a rod-like member with one end in an L-shaped grip part and the other end for removably engaging a member to be hung; ...
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JP5458701B2 |
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JP5461062B2 |
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JP5453480B2 |
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JP5444109B2 |
To provide a method for melting production of a long ingot by which a sound long ingot is stably produced by using a CCIM (Cold Crucible Induction Melting) method.The method for melting production of a long ingot inclydes: a first step i...
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JP5434258B2 |
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JP5397582B2 |
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JP5381473B2 |
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JP5366896B2 |
To provide a method of bottom-casting ingots by which production of coarse inclusions is suppressed, and ingots having excellent cleanliness can be produced. When the method of bottom-casting ingots is performed for charging a molten met...
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JP5361073B2 |
The present invention relates to a core-sheath particle for use as filler for feeder compositions for the production of feeders, comprising (a) a carrier core which has a size within a range of from 30 μm to 500 μm and consists of a ma...
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JP5341292B2 |
High purity niobium metals and alloys containing the same are described. The niobium metal preferably has a purity of at least 99.99% and more preferably at least 99.999%. In addition, niobium metal and alloys thereof are described, whic...
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JP5339892B2 |
To provide an Ni-based alloy in which the macroscopic segregation of components can be suppressed as far as possible by controlling a cast structure with a trace amount of inclusions, and to provide a method for producing the same. The N...
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JP2013184185A |
To cast a steel ingot without a hydrogen crack and the like in vacuum top pouring casting.In a vacuum casting method including the steps of charging molten steel while throwing in baked chaff into a tundish, pouring the charged molten st...
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JP5287920B2 |
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JP5282814B2 |
A method of mitigating against thermal contraction induced cracking during casting of a super Ni alloy, the method comprising: pouring liquid alloy into a mould such that liquid alloy is present in a feeder of said mould; and inducing an...
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JP2013158782A |
To provide a wire capable of promoting stabilization of the quality of a product obtained when using it as a brazing filler metal for joining dissimilar metal members regardless of a large difference in specific gravity between a princip...
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JP5261216B2 |
To provide a melting and processing method of a long ingot which can stably manufacture the sound long ingot by applying a CCIM method. In the first melting operation, a material to be melted is put into a first water-cooled copper cruci...
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JP2013151015A |
To provide a casting mold which is used in producing a Cu-Ga alloy slab by a melting and casting method, and with which a large Cu-Ga alloy slab can be manufactured by sufficiently suppressing generation of cracks.A casting mold 100 incl...
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JP2013107130A |
To provide a titanium slab capable of being fed to a hot rolling mill without passing through a break down step after melting or a correcting step after that, exhibiting excellent linearity (warping or bending is suppressed), having a no...
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JP2013086154A |
To provide a casting apparatus capable of manufacturing a large-sized Cu-Ga alloy slab while sufficiently suppressing occurrence of cracking, in the casting apparatus for manufacturing the Cu-Ga alloy slab made of Cu-Ga alloy by melt cas...
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JP2013086157A |
To provide a manufacturing method capable of manufacturing a large-sized Cu-Ga alloy slab while sufficiently suppressing cracking, in a method of manufacturing a Cu-Ga alloy slab made of Cu-Ga alloy by melting and casting.In the manufact...
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JP5188766B2 |
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JP5173283B2 |
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JP5168434B2 |
A titanium slab for hot rolling comprised of a titanium slab obtain by smelting commercially pure titanium, wherein even if the breakdown process is omitted, the strip shaped coil after hot rolling is excellent in surface properties and ...
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JP2013049089A |
To improve the quality of a steel ingot after casting in top-poured ingot making.In a method for making a steel ingot by pouring a molten steel 1 in a casting mold 2, a refractory brick 7 is constructed inside the riser 5 of the casting ...
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JP2013049082A |
To provide an apparatus and method for casting in which the volume of a riser part can be reduced much further.The casting apparatus includes a means for inserting and drawing out a heater block 6 into and from a riser port 4 provided on...
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JP5157889B2 |
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JP2013027928A |
To provide an apparatus and method of unidirectional solidification casting that produces a uniformly controlled cooling rate.Molten metal is injected uniformly into a mold 10 from a feed chamber 34 in a horizontal or vertical direction ...
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JP5114753B2 |
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JP2013000791A |
To provide a manufacturing method of a steel material by which the concentration of reverse V segregation can be lowered.The manufacturing method of the steel material which contains, as composition components, C: 0.4-1.0 mass%, Si: 0.8 ...
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JP5111005B2 |
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JP5074197B2 |
An apparatus for melting metals comprises a hearth for melting a metal raw material, a mold for forming an ingot by cooling the molten metal therein, the mold having a bottom, and a base unit for pulling down the ingot and provided at th...
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JP2012525982A |
A system and method for producing a metallic ingot using, for example, a VAR furnace, includes a primary crucible receiving a melted metal from a source of metal and collecting the melted metal to for a pool of melted metal, the primary ...
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JP5025312B2 |
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JP4999627B2 |
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JP2012148293A |
To provide a method of casting ingot that enables inhibiting non-metallic inclusion from entraining in an ingot without applying any special device in casting in a chamber.The subject method of casting an ingot is a method of casting an ...
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JP4958486B2 |
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JP4928706B2 |
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JP4903281B1 |
To reduce productivity in a molten metal bottom pouring method, such as installing a complicated device without lowering the pouring speed or under conditions where the pouring speed fluctuates. The flow velocity of the molten metal in t...
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JP4898087B2 |
A continuously cast copper ingot is made by a procedure in which turbulence is imparted to the metal/solid interface during the casting operation. The ingot is then hot worked to form a billet having a smaller average grain size and a la...
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JP4884261B2 |
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