A solder material may include nickel and tin. The nickel may include first and second amounts of particles. A sum of the particle amounts is a total amount of nickel or less. The first amount is between 5 at % and 60 at % of the total amount of nickel. The second amount is between 10 at % and 95 at % of the total amount of nickel. The particles of the first amount have a first size distribution, the particles of the second amount have a second size distribution, 30% to 70% of the first amount have a particle size in a range of about 5 μm around a particle size the highest number of particles have according to the first size distribution, and 30% to 70% of the second amount have a particle size in a range of about 5 μm around a particle size the highest number of particles have according to the second size distribution.

A solder material may include nickel and tin. The nickel may include first and second amounts of particles. A sum of the particle amounts is a total amount of nickel or less. The first amount is between 5 at % and 60 at % of the total amount of nickel. The second amount is between 10 at % and 95 at % of the total amount of nickel. The particles of the first amount have a first size distribution, the particles of the second amount have a second size distribution, 30% to 70% of the first amount have a particle size in a range of about 5 μm around a particle size the highest number of particles have according to the first size distribution, and 30% to 70% of the second amount have a particle size in a range of about 5 μm around a particle size the highest number of particles have according to the second size distribution.

An injection molding material for magnesium thixomolding includes: a powder containing Mg as a main component; and a chip containing Mg as a main component, in which a proportion of the powder in the injection molding material for magnesium thixomolding is 5 mass % or more and 45 mass % or less, and a tap density of the powder is 0.15 g/cm.sup.3 or more.

The present invention can provide light-colored magnetic particles having a zirconium oxide coating layer formed on a magnetic core, and having a silver coating layer formed on the zirconium oxide coating layer, and a part of the surface of the zirconium oxide coating layer is exposed to the outside, but chemical resistance is excellent, and thus the magnetic particles hardly cause a change of magnetic characteristics so as to be suitable for security elements.

The present invention can provide light-colored magnetic particles having a zirconium oxide coating layer formed on a magnetic core, and having a silver coating layer formed on the zirconium oxide coating layer, and a part of the surface of the zirconium oxide coating layer is exposed to the outside, but chemical resistance is excellent, and thus the magnetic particles hardly cause a change of magnetic characteristics so as to be suitable for security elements.

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.

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.

Alloys comprised of a refined microstructure, ultrafine or nano scaled, that when reacted with water or any liquid containing water will spontaneously and rapidly produce hydrogen at ambient or elevated temperature are described. These metals, termed here as aluminum based nanogalvanic alloys will have applications that include but are not limited to energy generation on demand. The alloys may be composed of primarily aluminum and other metals e.g., tin bismuth, indium, gallium, lead, etc. and/or carbon, and mixtures and alloys thereof. The alloys may be processed by ball milling for the purpose of synthesizing powder feed stocks, in which each powder particle will have the above-mentioned characteristics. These powders can be used in their inherent form or consolidated using commercially available techniques for the purpose of manufacturing useful functional components.

A crystalline Fe-based alloy powder composed of Fe-based alloy particles containing, within a structure thereof, nanocrystal grains having an average grain size of 30 nm or less, and in which d50, which is a particle diameter corresponding to a cumulative frequency of 50% by volume, is from 3.5 μm to 35.0 μm in a cumulative distribution curve that is obtained by laser diffractometry and that shows the relationship between the particle diameter and the cumulative frequency from the small particle diameter side, and a ratio of Fe-based alloy particles having a particle diameter of 2 μm or less to the total of the Fe-based alloy particles, which is determined by laser diffractometry, is from 0% by volume to 8% by volume.

A crystalline Fe-based alloy powder composed of Fe-based alloy particles containing, within a structure thereof, nanocrystal grains having an average grain size of 30 nm or less, and in which d50, which is a particle diameter corresponding to a cumulative frequency of 50% by volume, is from 3.5 μm to 35.0 μm in a cumulative distribution curve that is obtained by laser diffractometry and that shows the relationship between the particle diameter and the cumulative frequency from the small particle diameter side, and a ratio of Fe-based alloy particles having a particle diameter of 2 μm or less to the total of the Fe-based alloy particles, which is determined by laser diffractometry, is from 0% by volume to 8% by volume.