|
|
US2020199716A1 ADDITIVELY MANUFACTURED HIGH-TEMPERATURE ALUMINUM ALLOYS, AND FEEDSTOCKS FOR MAKING THE SAME
|
|
|
Some variations provide an aluminum alloy comprising aluminum and from 0.5 wt % to 60 wt % of an alloy element X selected from the group consisting of Zr, Ti, Hf, V, Ta, Nb, Cr, Mo, W, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and combinations or alloys thereof, wherein the alloy element X is present as an intermetallic precipitate containing Al and X. An exemplary intermetallic precipitate is Al3Zr. Some variations provide a feedstock powder comprising: from 80 wt % to 99 wt % of an aluminum-containing base powder with an average particle size from 10 microns to 500 microns; and, intimately mixed with the base powder, from 1 wt % to 20 wt % of an alloying powder with average particle size from 0.01 microns to 90 microns, containing an alloy element X or a hydride, carbide, oxide, nitride, boride, or sulfide thereof.
|
Nguyễn Thị Vân Anh
|
|
|
worldwide.espacenet.com
|
|
|
|
|