Method for manufacturing a component containing an iron alloy material
In a method for manufacturing a component containing an iron alloy material, a pulverulent pre-alloy is provided. The pre-alloy comprises, in wt. %, 0.01 to 1% C, .0.01 to 30% Mn, ≤6% Al, and 0.05 to 6.0% Si, the remainder being Fe and usual contaminants. The pulverulent pre-alloy is mixed with at least one of elementary Ag powder, elementary Au powder, elementary Pd powder and elementary Pt powder so as to produce a powder mixture containing 0.1 to 20% of at least one of Ag, Au, Pd and Pt. The powder mixture is applied onto a carrier ( 16 ) by means of a powder application device ( 14 ). Electromagnetic or particle radiation is selectively irradiated onto the powder mixture applied onto the carrier ( 16 ) by means of an Irradiation device ( 18 ) so as to generate a component from the powder mixture by an additive layer construction method.
1. A method for manufacturing a component containing an iron alloy material, the method comprising the steps:
providing a pulverulent pre-alloy, the pre-alloy comprising in wt. %:
0.01 to 1% C,
0.01 to 30% Mn,
≤6% Al,
0.05 to 6.0% Si, and
at least one of Cr at a content of ≤2%, Cu at a content of ≤2%, Ti at a content of ≤2%, Co at a content of ≤2%, Zr at a content of ≤2%, V at a content of ≤2°/s, Nb at a content of ≤2%, Ta at a content of ≤2% and B at a content of ≤0.2%, the remainder being Fe and usual contaminants,
mixing the pulverulent pre-alloy with elementary Ag powder, so as to produce a powder mixture containing 0.5 to 20 wt. % Ag,
applying the powder mixture onto a carrier by a powder application device, and selectively irradiating electromagnetic or particle radiation onto the powder mixture applied onto the carrier by an irradiation device so as to generate a component from the powder mixture by an additive layer construction method.
2. The method according to claim 1 , wherein the pulverulent pre-alloy is mixed with elementary Ag powder, so as to produce a powder mixture containing ≤5 wt. % Ag.
3. The method according to claim 1 , wherein the pulverulent pre-alloy is mixed with elementary Ag powder, so as to produce a powder mixture containing ≥2 wt. % Ag.
4. The method according to claim 1 , wherein an operation of the powder application device and the irradiation device is controlled in such a manner that local melt pools are formed in the powder mixture upon being irradiated with electromagnetic or particle radiation, and that the melt in the local melt pools solidifies at a solidification rate of approximately 7×10 6 K/s.
5. The method according to claim 1 , wherein the generated component is heat-treated in an inert atmosphere for 1 minute to 24 hours at a temperature between 200° C. and 1100° C.
6. A method for manufacturing a component containing an iron alloy material, the method comprising the steps:
providing a pulverulent pre-alloy, the pre-alloy comprising in wt. %:
0.04 to 1% C,
9.0 to 24.0% Mn,
0.05 to 4% Al, and
0.05 to 6.0% Si, the remainder being Fe and usual contaminants,
mixing the pulverulent pre-alloy with at least one of elementary Ag powder, elementary Au powder, elementary Pd powder, and elementary Pt powder so as to produce a powder mixture containing 0.1 to 20 wt. % of at least one of Ag, Au, Pd and Pt,
applying the powder mixture onto a carrier by a powder application device, and
selectively irradiating electromagnetic or particle radiation onto the powder mixture applied onto the carrier by an irradiation device so as to generate a component from the powder mixture by an additive layer construction method.
7. The method of claim 6 , wherein the pulverulent pre-alloy is mixed with at least one of elementary Ag powder, elementary Au powder, elementary Pd powder, and elementary Pt powder so as to produce a powder mixture containing ≤5 wt. % of at least one of Ag, Au, Pd and Pt.
8. The method of claim 7 , wherein the pulverulent pre-alloy is mixed with elemental Ag powder so as to produce a powder mixture containing 0.1 wt. % to ≤5 wt. % Ag.
9. The method of claim 6 , wherein the pulverulent pre-alloy is mixed with at least one of elementary Ag powder, elementary Au powder, elementary Pd powder and elementary Pt powder so as to produce a powder mixture containing ≥2 wt. % of at least one of Ag, Au, Pd and Pt.
10. The method of claim 9 , wherein the pulverulent pre-alloy is mixed with elemental Ag powder so as to produce a powder mixture containing ≥2 wt. % to 20 wt. % Ag.
11. The method of claim 6 , wherein an operation of the powder application device and the irradiation device is controlled in such a manner that local melt pools are formed in the powder mixture upon being irradiated with electromagnetic or particle radiation, and that the melt in the local melt pools solidifies at a solidification rate of approximately 7×10 6 K/s.
12. The method of claim 6 , wherein the generated component is heat-treated in an inert atmosphere for 1 minute to 24 hours at a temperature between 200° C. and 1100° C.
13. The method of claim 6 , wherein the pulverulent pre-alloy further comprises Cr at a content of ≤2 wt. %.
14. The method of claim 6 , wherein the pulverulent pre-alloy further comprises, in wt. %, at least one of Cr at a content of ≤2%, Cu at a content of ≤2%, Ti at a content of ≤2%, Co at a content of ≤2%, Zr at a content of ≤2%, V at a content of ≤2%, Nb at a content of ≤2%, Ta at a content of ≤2% and B at a content of ≤0.2%.
15. A method for manufacturing a component containing an iron alloy material, the method comprising the steps:
providing a pulverulent pre-alloy, the pre-alloy comprising in wt. %:
0.01 to 1% C,
0.01 to 30% Mn,
≤6% Al, and
0.05 to 6.0% Si, the remainder being Fe and usual contaminants,
mixing the pulvenilent pre-alloy with elementary Ag powder so as to produce a powder mixture containing 0.1 to 20 wt. % Ag,
applying the powder mixture onto a carrier by a powder application device, and
selectively irradiating electromagnetic or particle radiation onto the powder mixture applied onto the carrier by an irradiation device so as to generate a component from the powder mixture by an additive layer construction method.
16. The method of claim 15 , wherein the pulverulent pre-alloy is mixed with elemental Ag powder so as to produce a powder mixture containing 0.1 wt. % to ≤5 wt. % Ag.
17. The method of claim 15 , wherein the pulverulent pre-alloy is mixed with elemental Ag powder so as to produce a powder mixture containing ≥2 wt. % to 20 wt. % Ag.
18. The method of claim 16 , wherein the pulverulent pre-alloy further comprises, in wt. %, at least one of Cr at a content of ≤2%, Cu at a content of ≤2%, Ti at a content of ≤2%, Co at a content of ≤2%, Zr at a content of ≤2%, V at a content of ≤2%, Nb at a content of ≤2%, Ta at a content of ≤2% and B at a content of ≤0.2%.
19. The method of claim 17 , wherein the pulverulent pre-alloy further comprises, in wt. %, at least one of Cr at a content of ≤2%, Cu at a content of ≤2%, Ti at a content of ≤2%, Co at a content of ≤2%, Zr at a content of ≤2%, V at a content of ≤2%, Nb at a content of ≤2%, Ta at a content of ≤2% and B at a content of ≤0.2%.
20. The method of claim 15 , wherein an operation of the powder application device and the irradiation device is controlled in such a manner that local melt pools are formed in the powder mixture upon being irradiated with electromagnetic or particle radiation, and that the melt in the local melt pools solidifies at a solidification rate of approximately 7×10 6 K/s.