“…Ni 3 Al (>99.9%, 2 m) [17] or Cr (Alfa, >99.9%, 3 m) or Al (Junsei, >99.9%, 3 m) powder were mixed with Ni powder (Inco #255, 5 m) as the main material and polyethylene oxide as plasticizer, polyacrylic acid as dispersant and distilled water added to them to be slurry. And then, the first ball milling with this slurry mixture was carried out for 15 h. The second ball milling for 6 h was carried out after addition of polyethylene oxide to the first ball milled slurry.…”