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8177925 |
High-tensile steel plate, welded steel pipe or tube, and methods of manufacturing thereof
In a high-tensile steel plate according to the invention, the carbon equivalent Pcm represented in Expression (1) is from 0.180% to 0.220%, the surface hardness is a Vicker's hardness of 285 or...
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8109320 |
Method and apparatus for the continuous casting of preliminary steel sections
In a method and apparatus for the continuous casting of preliminary steel sections, the liquid or molten steel is introduced substantially vertically into an open-ended die. The cross section of...
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8048197 |
Low carbon steel sheet and low carbon steel slab and process for producing same
The present invention provides a low carbon steel sheet and a low carbon steel slab on which formation of surface defects can be surely prevented by preventing aggregation of inclusions in the...
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7368690 |
Method of and apparatus for processing of semi-solid metal alloys
Apparatus for producing a semi-solid metal alloy from a molten charge includes vertically aligned treatment zones which are provided by vertically aligned passages defined by a plurality of...
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6994146 |
Electromagnetic die casting
A die-casting method and a device for use in the die-casting method are disclosed. The casting material, which can be liquid metal, semi-solid metal or metal-matrix composite, in the shot chamber...
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6988529 |
Method and apparatus for preparing a metal or metal-alloy product for a casting process
The present invention relates to a method and apparatus for preparing a metal or metal-alloy product for a casting process—wherein the product is brought into a partly solidified (...
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6845809 |
Apparatus for and method of producing on-demand semi-solid material for castings
A method of producing on-demand, semi-solid material for a casting process includes the steps of first heating a metal alloy until it reaches a molten state and maintaining that molten state within...
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6550526 |
Method and device for producing cast parts consisting of aluminium and magnesium alloys
The invention relates to a crucible induction furnace for producing cast parts consisting of aluminum and magnesium alloys, especially particle-reinforced alloys. According to the invention, the...
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6315029 |
Continuous casting method, and device therefor
A continuous casting method, and a device for use in the casting method, are disclosed. The flow state of the discharged molten metal is properly controlled, and thus, the amounts of residual...
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6253831 |
Casting process for producing metal matrix composite
A casting process for producing a metal matrix composite comprising a first phase or a matrix of a metal or metal alloy and a second phase of particles dispersed in the matrix, comprising the steps...
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5585067 |
Aluminum alloys containing very finely dispersed bismuth, cadmium, indium and/or lead and a process for obtaining them
An aluminum alloy containing at least one alloying metal selected from the group consisting of bismuth, cadmium, indium and lead in a quantity greater than the maximum solubility of the metal in...
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5555926 |
Process for the production of semi-solidified metal composition
A semi-solidified metal composition having an excellent workability is continuously produced by pouring molten metal into an upper part of a cooling agitation mold, agitating it while cooling to...
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5029631 |
Process for bonding a mixture of substances together
A process for bonding a mixture of substances together. The process includes the steps of forming a mixture of substances; heating the mixture of substances until the mixture is molten; pouring the...
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5017244 |
Process for improving the electrical conductivity of a copper-nickel-iron alloy
The present invention relates to copper-iron-nickel alloys having utility in electronic applications because of their low coefficients of expansion and high thermal conductivities. Alloys in...
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4901781 |
Method of casting a metal matrix composite
A method of casting a metal matrix composite involves countergravity filling a bottom-gated casting mold from an underlying, initially homogenous, two-phase melt of solid reinforcing particles in a...
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4832112 |
Method of forming a fine-grained equiaxed casting
A method of forming a fine grained equiaxed casting by melting metal and removing most of the superheat of the molten metal. The molten metal is placed in a mold and optionally subjected to...
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4762165 |
Arc melting and casting method and apparatus thereof
Metal material is melted by moving the magnetic flux of electromagnets virtually perpendicular to an arc column to apply Lorentz force to the arc column and the metal material so that the arc...
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RE32529 |
Process for the electromagnetic casting of metals involving the use of at least one magnetic field which differs from the field of confinement
The present invention relates to a process for the electromagnetic casting of metals. The process is characterized by simultaneously using a stationary field and a variable field at a suitable...
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4637448 |
Method for production of combustion turbine blade having a single crystal portion
This is a process of fabricating turbine blades for combustion turbines. It is an improvement to the type of process where a mold containing molten metal is cooled in a controlled fashion such that...
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4565241 |
Process for preparing a slurry structured metal composition
A process for preparing a slurry structured metal composition comprising degenerate dendritic solid particles contained within a lower melting matrix composition, the process comprising vigorously...
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3757846 |
METHOD AND APPARATUS FOR EFFECTING ELECTROMAGNETIC DISPLACEMENT OF FLUIDS
This invention related to effecting the movement of liquids by electromagnetic means. Liquids, as used herein, should be understood to include fluids, generally such as gases, vapors, and plasma....
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3695334 |
METHOD AND APPARATUS FOR CASTING WITH REVOLVING MAGNETIC FIELD CONTROLLING POURING
An apparatus for casting molten metal from a casting container having an outlet hole, comprises a batching container which is connected at the bottom of the casting container so that the outlet...
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3322183 |
Process for producing nucleation and for controlling grain size in ingots and castings
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3246373 |
Magnetic stirring device and method
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2800519 |
Method and apparatus for forming ingots
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