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3894892 |
Process for heating and sintering ferrous powder metal compacts with radio frequency magnetic field
A relatively high frequency (in the radio frequency range) magnetic field is used for reducing electrical resistivity of ferrous powder metal compacts prior to subjecting the compacts to a...
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3888657 |
Process for production of metal powders having high green strength
Metal particles of high green strength are made by the process of thermally agglomerating a mass of finely atomized particulates of said metal into a self-supporting cake, then milling said cake...
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3887402 |
Method for producing high density steel powders
A process for producing high density steel powders for Powder metallurgy is disclosed, wherein the molten stream of low carbon steel or low carbon alloy steel is atomized by high pressure water jet...
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3859086 |
METHOD OF ENHANCING POWDER COMPACTIBILITY
Method of improving compactibility and sintering characteristics of spherical metal powders, comprising selectively removing the less chemically resistant surface regions of the powders, to roughen...
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3798022 |
PRE-ALLOYED NICKEL-FREE SILICON-FREE MINIMAL OXIDE LOW ALLOY IRON POWDER
A pre-alloyed nickel-free silicon-free low-alloy iron powder with minimal oxide content yet possessing good hardenability and good mechanical and metallurgical properties for the production of...
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3765867 |
PREPARATION OF THORIATED NICKEL-CHROMIUM ALLOY POWDER
Nickel-chromium alloy powder containing dispersed refractory oxide particles are produced by heating nickel powder particles containing physically inseparable sub-micron refractory oxide particles,...
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3640705 |
TREATMENT OF PLATINUM GROUP METALS AND ALLOYS
An alloy and method for making the same including alloying with platinum, rhodium, iridium and their mixtures, alone or alloyed with palladium a stable base metal capable of forming a refractory...
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3637440 |
METHOD OF MAKING A CREEP RESISTANT LEAD ALLOY
The present invention comprises a creep resistant lead base alloy characterized by finely dispersed intermetallic compound and containing, by addition, at least one solid soluble alkali or alkaline...
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3615381 |
PROCESS FOR PRODUCING DISPERSION-HARDENED SUPERALLOYS BY INTERNAL OXIDATION
Iron-, nickel-, and cobalt-base alloys containing chromium in an amount sufficient to provide excellent scaling resistance to high temperature are made pervious to controlled quantities of oxygen...
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3548455 |
APPARATUS FOR DIRECT CONVERSION OF POWDERED MATERIALS INTO PARTS
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3499800 |
METHOD OF MAKING LEAD PARTICLES FOR NON-BUBBLING DISPERSION STRENGTHENED LEAD
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3495958 |
HIGH PURITY STEEL BY POWDER METALLURGY
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3489548 |
PARTICULATE POWDER OF IRON WITH COPPER CONTAINED THEREIN
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3488183 |
METHOD FOR INTERNAL OXIDATION OF METAL POWDER FROM AN ALLOY,A METAL-POWDER MIXTURE OF VARIOUS ALLOYS OR A PARTIALLY ALLOYED METAL-POWDER MIXTURE
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3484305 |
NONBUBBLING DISPERSION STRENGTHENED LEAD
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3483046 |
STABILIZED NON-BUBBLING DISPERSION STRENGTHENED LEAD
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3480425 |
METHOD FOR REDUCING THE PYROPHORICITY OF METALLIC POWDERS
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3460994 |
METHOD OF MANUFACTURING A CATALYTIC OXYGEN ELECTRODE FOR ALKALINE FUEL CELLS
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3461047 |
TANTALUM PURIFICATION MEANS
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3459546 |
PROCESSES FOR PRODUCING DISPERSION-MODIFIED ALLOYS
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3458306 |
PREPARATION OF METALS AND METAL ALLOYS
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3453105 |
PROCESS FOR MANUFACTURING HIGH POROSITY SINTERED PARTS
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3449115 |
METHODS OF MAKING ALLOY POWDERS AND THE CORRESPONDING POWDERS
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3436802 |
POWDER METALLURGY
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3430108 |
METHOD FOR THE MANUFACTURE OF TANTALUM POWDER FOR CONDENSER PURPOSES
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3419383 |
Producing pulverulent iron for powder metallurgy by multistage reduction
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3397057 |
Method for producing flowable metal powders
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3384481 |
Method of forming composites of thermally unstable materials
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3382066 |
Method of making tungsten-copper composites
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3359100 |
Production of welding steel
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3357827 |
Method of producing metal alloys having a high nitrogen content
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3353951 |
Fluffy iron powder and process for preparing same
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3343952 |
Method of forming a refractory metal body containing dispersed refractory metal carbides
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3343998 |
High strength wrought weldable titanium alloy mill product manufacture
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3330646 |
Method for producing molybdenum from molybdenite
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3326676 |
Method of producing coherent bodies of metallic particles
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3325279 |
Aluminum-high silicon alloys
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3320057 |
Metal structure fabrication
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3320051 |
Process for recovering and refining scrap material
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3317991 |
Method of fabricating preoxidized silver-cadmium oxide electrical contacts
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3313616 |
Purification of copper powder
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3310400 |
Process of making metal powder compositions wherein some metal grains contain dispersed refractory metal oxide particles
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3290144 |
Process for improving the mechanical properties of copper using a refractory dispersed filler
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3290145 |
Method of producing multitextural flat stock
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3282676 |
Process for production of ultraclean steel
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3219490 |
Method of extrusion and extrusion billet therefor
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3214262 |
Process for producing dense iron powders from sponge iron
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3212876 |
Method for the production of iron powder from sponge iron
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3175904 |
Dispersion strengthening of platinumbase alloys
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3163527 |
Coating metal articles by powdered metals
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