Abstract: Tantalum powder that is highly spherical is described. The tantalum powder can be useful in additive manufacturing and other uses. Methods to make the tantalum powder are further described as well as methods to utilize the tantalum powder in additive manufacturing processes. Resulting products and articles using the tantalum powder are further described.

Abstract: Tantalum powder that is highly spherical is described. The tantalum powder can be useful in additive manufacturing and other uses. Methods to make the tantalum powder are further described as well as methods to utilize the tantalum powder in additive manufacturing processes. Resulting products and articles using the tantalum powder are further described.

Abstract: Anodes made from powder, such as tantalum powder, that is highly spherical is described. Methods to make the anodes are further described.

Abstract: A Ti—Zr alloy in powder form is described. Sintered pellets containing the Ti—Zr alloy powder of the present invention, as well as capacitor anodes, are further described.

Abstract: Niobium alloy powder that is highly spherical is described. The niobium alloy powder can be useful in additive manufacturing and other uses. Methods to make the niobium alloy powder are further described as well as methods to utilize the niobium alloy powder in additive manufacturing processes. Resulting products and articles using the niobium alloy powder are further described.

Abstract: Anodes made from powder, such as tantalum powder, that is highly spherical is described. Methods to make the anodes are further described.

Abstract: Anodes made from powder, such as tantalum powder, that is highly spherical is described. Methods to make the anodes are further described.

Abstract: A tantalum-titanium alloy powder that is highly spherical is described. The alloy powder can be useful in additive manufacturing and other uses. Methods to make the alloy powder are further described as well as methods to utilize the alloy powder in additive manufacturing processes. Resulting products and articles using the alloy powder are further described.

Abstract: A Ti—Zr alloy in powder form is described. Sintered pellets containing the Ti—Zr alloy powder of the present invention, as well as capacitor anodes, are further described.

Abstract: Tantalum powder that is highly spherical is described. The tantalum powder can be useful in additive manufacturing and other uses. Methods to make the tantalum powder are further described as well as methods to utilize the tantalum powder in additive manufacturing processes. Resulting products and articles using the tantalum powder are further described.

Abstract: Anodes made from powder, such as tantalum powder, that is highly spherical is described. Methods to make the anodes are further described.

Abstract: The present invention relates to sputtering targets and other metal articles as well as methods of making the same. More particularly, the present invention relates to methods for forming powder metallurgy sputtering targets and other metallurgical articles made from metal powders that include spherical metal powders, and the resulting product.

Abstract: A method for producing agglomerated tantalum particles, comprising: a step for grinding secondary tantalum particles, which are obtained by reducing a tantalum salt, and adding water thereto to give a water-containing mass; a step for drying said water-containing mass to give a dry mass; a step for sieving said dry mass to give spherical particles; and a step for heating said spherical particles. A mixed tantalum powder comprising a mixture of agglomerated tantalum particles (X) with agglomerated tantalum particles (Y), wherein said agglomerated tantalum particles (X) show a cumulative percentage of particles with particle size of 3 ?m or less of 5 mass % or less after 25 W ultrasonic radiation for 10 min, while said agglomerated tantalum particles (Y) show a cumulative percentage of particles with particle size of 3 ?m or less of 10 mass % or more after 25 W ultrasonic radiation for 10 min.

Abstract: A tantalum powder having a value of hydrogen (H) content (ppm) of the tantalum powder divided by Brunauer-Emmett-Teller (BET) surface area (m2/g) of the tantalum powder (H/BET) is greater than 100 is provided. The tantalum powder can be used as an anode of a capacitor, such as a solid electrolytic capacitor, to obtain a capacitor having large capacitance and low current leakage. Methods of producing the tantalum powder, anode, and capacitors including the tantalum powder, also are provided.

Abstract: A method for producing agglomerated tantalum particles, comprising: a step for grinding secondary tantalum particles, which are obtained by reducing a tantalum salt, and adding water thereto to give a water-containing mass; a step for drying said water-containing mass to give a dry mass; a step for sieving said dry mass to give spherical particles; and a step for heating said spherical particles. A mixed tantalum powder comprising a mixture of agglomerated tantalum particles (X) with agglomerated tantalum particles (Y), wherein said agglomerated tantalum particles (X) show a cumulative percentage of particles with particle size of 3 ?m or less of 5 mass % or less after 25 W ultrasonic radiation for 10 min, while said agglomerated tantalum particles (Y) show a cumulative percentage of particles with particle size of 3 ?m or less of 10 mass % or more after 25 W ultrasonic radiation for 10 min.

Abstract: A method for producing agglomerated tantalum particles, comprising: a step for grinding secondary tantalum particles, which are obtained by reducing a tantalum salt, and adding water thereto to give a water-containing mass; a step for drying said water-containing mass to give a dry mass; a step for sieving said dry mass to give spherical particles; and a step for heating said spherical particles. A mixed tantalum powder comprising a mixture of agglomerated tantalum particles (X) with agglomerated tantalum particles (Y), wherein said agglomerated tantalum particles (X) show a cumulative percentage of particles with particle size of 3 ?m or less of 5 mass % or less after 25 W ultrasonic radiation for 10 min, while said agglomerated tantalum particles (Y) show a cumulative percentage of particles with particle size of 3 ?m or less of 10 mass % or more after 25 W ultrasonic radiation for 10 min.

Abstract: The present invention related to a method to make capacitor grade powder. The method includes the use of a spray dryer that includes a rotating atomizer disk to form agglomerated powder and the method further includes a heat treatment step. Capacitor grade powder formed by the methods of the present invention are further described.

Abstract: A method of making metal articles as well as sputtering targets is described, which involves deforming an ingot to preferred dimensions. In addition, products made by the process of the present invention are further described.

Abstract: A method of heat treating metal powder and/or metal oxide powder by microwave energy is described. Furthermore, products made by the various processes of the present invention are further described.

Abstract: A method of making sputter targets using rotary axial forging is described. Other thermomechanical working steps can be used prior to and/or after the forging step. Sputter targets are further described which can have unique grain size and/or crystal structures.