Method of producing a cold compactible metallic powder

A method of producing a porous metallic article, the method comprising:

• providing (i) a first metallic powder comprising large metal particles and (ii) a second metallic powder comprising small metal particles, wherein the d50 particle size of the second metallic powder is less than the d50 particle size of the first metallic powder;
• combining at least the first metallic powder and the second metallic powder to provide a precursor powder comprising the large metal particles and the small metal particles;
• subjecting the precursor powder to an impact blending process to adhere the small metal particles to the large particles, thereby producing a cold compactible metallic powder comprising non-spherical particles, wherein the non-spherical particles comprise one of the large metal particles as a core and a plurality of the small metal particles as protrusions from the core;
• and
• subjecting the cold compactible metallic powder to a cold compaction process at a pressure sufficient to consolidate the cold compactible metallic powder, thereby producing a porous metallic article.