Method for preparing an article having a dispersoid distributed in a metallic matrix

A method of preparing an article comprising a metallic matrix having its constituent elements and a dispersoid distributed therein, comprising the steps of

• furnishing at least one nonmetallic matrix precursor compound, all of the nonmetallic matrix precursor compounds collectively including the constituent elements of the metallic matrix in their respective constituent-element proportions;
• thereafter
• producing a mixture of an initial metallic material and the dispersoid, the step of producing including the step of
• chemically reducing the matrix precursor compounds to produce the initial metallic material, without melting the initial metallic material, wherein the step of chemically reducing includes the step of producing a sponge of the initial metallic material;
• and
• consolidating the mixture of the initial metallic material and the dispersoid to produce a consolidated article having the dispersoid distributed in the metallic matrix comprising the initial metallic material, without melting the initial metallic material, without melting the dispersoid, and without melting the consolidated article.

A method of preparing an article comprising a metallic matrix having its constituent elements and a dispersoid distributed therein, comprising the steps of

• furnishing at least one nonmetallic matrix precursor compound, all of the nonmetallic matrix precursor compounds collectively including the constituent elements of the metallic matrix in their respective constituent-element proportions;
• thereafter
• producing a mixture of an initial metallic material and the dispersoid, the step of producing including the step of
• chemically reducing the matrix precursor compounds to produce the initial metallic material, without melting the initial metallic material, wherein the step of chemically reducing includes the step of producing particles of the initial metallic material, wherein the initial metallic material is selected from the group consisting of a nickel-base material, a cobalt-base material, a titanium-base material, a magnesium-base material, and an aluminum-base material;
• and
• consolidating the mixture of the initial metallic material and the dispersoid to produce a consolidated article having the dispersoid distributed in the metallic matrix comprising the initial metallic material, without melting the initial metallic material, without melting the dispersoid, and without melting the consolidated article.

A method of preparing an article comprising a metallic matrix having its constituent elements and a dispersoid distributed therein, comprising the steps of

• furnishing at least one nonmetallic matrix precursor compound, all of the nonmetallic matrix precursor compounds collectively including the constituent elements of the metallic matrix in their respective constituent-element proportions;
• thereafter
• producing a mixture of an initial metallic material and the dispersoid, the step of producing including the step of chemically reducing the matrix precursor compounds to produce the initial metallic material, without melting the initial metallic material wherein the step of producing includes the steps of
• furnishing the dispersoid, and
• mixing the dispersoid with the initial metallic material after the step of chemically reducing;
• and
• consolidating the mixture of the initial metallic material and the dispersoid to produce a consolidated article having the dispersoid distributed in the metallic matrix comprising the initial metallic material, without melting the initial metallic material, without melting the dispersoid, and without melting the consolidated article.

A method of preparing an article comprising a metallic matrix having its constituent elements and a dispersoid distributed therein, comprising the steps of

• furnishing at least one nonmetallic matrix precursor compound, all of the nonmetallic matrix precursor compounds collectively including the constituent elements of the metallic matrix in their respective constituent-element proportions;
• thereafter
• producing a mixture of an initial metallic material and the dispersoid, the step of producing including the step of chemically reducing the matrix precursor compounds to produce the initial metallic material, without melting the initial metallic material, wherein the step of producing includes the steps of
• first chemically reducing the matrix precursor compounds to produce the initial metallic material, without melting the initial metallic material,
• introducing a precursor compound of the dispersoid into the initial metallic material,
• second chemically reducing the precursor compound of the dispersoid to produce a first element of the dispersoid, and
• chemically reacting the first element of the dispersoid with a second element of the dispersoid;
• and
• consolidating the mixture of the initial metallic material and the dispersoid to produce a consolidated article having the dispersoid distributed in the metallic matrix comprising the initial metallic material, without melting the initial metallic material, without melting the dispersoid, and without melting the consolidated article.

A method of preparing an article comprising a metallic matrix having its constituent elements and a dispersoid distributed therein, comprising the steps of

• furnishing a compressed mass of at least one nonmetallic matrix precursor compound, all of the nonmetallic matrix precursor compounds collectively including the constituent elements of the metallic matrix in their respective constituent-element proportions;
• thereafter
• producing a mixture of an initial metallic material and the dispersoid, the step of producing including the step of
• chemically reducing the matrix precursor compounds to produce the initial metallic material, without melting the initial metallic material;
• and
• consolidating the mixture of the initial metallic material and the dispersoid to produce a consolidated article having the dispersoid distributed in the metallic matrix comprising the initial metallic material, without melting the initial metallic material, without melting the dispersoid, and without melting the consolidated article.

A method of preparing an article comprising a metallic matrix having its constituent elements and a dispersoid distributed therein, comprising the steps of

• furnishing a compressed mass at least one nonmetallic matrix precursor compound larger in dimensions than those of a consolidated article, all of the nonmetallic matrix precursor compounds collectively including the constituent elements of the metallic matrix in their respective constituent-element proportions;
• thereafter
• producing a mixture of an initial metallic material and the dispersoid, the step of producing including the step of
• chemically reducing the matrix precursor compounds to produce the initial metallic material, without melting the initial metallic material;
• and
• consolidating the mixture of the initial metallic material and the dispersoid to produce the consolidated article having the dispersoid distributed in the metallic matrix comprising the initial metallic material, without melting the initial metallic material, without melting the dispersoid, and without melting the consolidated article.

A method of preparing an article comprising a metallic matrix having its constituent elements and a dispersoid distributed therein, comprising the steps of

• furnishing at least one nonmetallic matrix precursor compound, all of the nonmetallic matrix precursor compounds collectively including the constituent elements of the metallic matrix in their respective constituent-element proportions;
• thereafter
• producing a mixture of an initial metallic material and the dispersoid, the step of producing including the step of
• chemically reducing the matrix precursor compounds by vapor-phase reduction to produce the initial metallic material;
• and
• consolidating the mixture of the initial metallic material and the dispersoid to produce a consolidated article having the dispersoid distributed in the metallic matrix comprising the initial metallic material, without melting the initial metallic material, without melting the dispersoid, and without melting the consolidated article.

A method of preparing an article comprising a metallic matrix having its constituent elements and a dispersoid distributed therein, comprising the steps of

• furnishing at least one nonmetallic matrix precursor compound, all of the nonmetallic matrix precursor compounds collectively including the constituent elements of the metallic matrix in their respective constituent-element proportions;
• thereafter
• producing a mixture of an initial metallic material and the dispersoid, the step of producing including the step of
• chemically reducing the matrix precursor compounds to produce the initial metallic material, without melting the initial metallic material;
• consolidating the mixture of the initial metallic material and the dispersoid to produce a consolidated article having the dispersoid distributed in the metallic matrix comprising the initial metallic material, without melting the initial metallic material, without melting the dispersoid, and without melting the consolidated article;
• and
• exposing, at a temperature greater than room temperature, the consolidated article to an environment containing a dispersion-forming element.