Hard metal composition

Title: Hard metal composition

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Abstract

A composition of matter having a Rockwell A hardness of at least 85 is formed from a precursor mixture comprising between 3 and 10 wt % boron carbide and the remainder a metal mixture comprising from 70 to 90% tungsten or molybdenum, with the remainder of the metal mixture comprising nickel and iron or a mixture thereof. The composition has a relatively low density of between 7 and 14 g/cc. The precursor is preferably hot pressed to yield a composition having greater than 100% of theoretical density.

Inventors:: Sheinberg, H

Issue Date:: 1983-07-26

OSTI Identifier:: 6924061

Application Number:: ON: DE84011034

Assignee:: Dept. of Energy

DOE Contract Number:: W-7405-ENG-36

Resource Type:: Patent

Resource Relation:: Other Information: Portions are illegible in microfiche products

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; BORON CARBIDES; CHEMICAL COMPOSITION; CUTTING TOOLS; MATERIALS; MACHINE TOOLS; MOLYBDENUM ALLOYS; TUNGSTEN ALLOYS; BINDERS; IRON ALLOYS; NICKEL ALLOYS; ALLOYS; BORON COMPOUNDS; CARBIDES; CARBON COMPOUNDS; TOOLS; 360200* - Ceramics, Cermets, & Refractories

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                    Sheinberg, H. Hard metal composition.  United States: N. p., 1983. 
        Web.

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                    Sheinberg, H. Hard metal composition.  United States.

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                    Sheinberg, H. Tue .  
        "Hard metal composition".  United States.

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@article{osti_6924061,

  title        = {Hard metal composition},

  author       = {Sheinberg, H},

  abstractNote = {A composition of matter having a Rockwell A hardness of at least 85 is formed from a precursor mixture comprising between 3 and 10 wt % boron carbide and the remainder a metal mixture comprising from 70 to 90% tungsten or molybdenum, with the remainder of the metal mixture comprising nickel and iron or a mixture thereof. The composition has a relatively low density of between 7 and 14 g/cc. The precursor is preferably hot pressed to yield a composition having greater than 100% of theoretical density.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1983},

  month        = {7}

}

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