Starting material, use thereof, and additive manufacturing process using said starting material
AssigneesAMAG casting GmbH, Audi AG
InventorsHelmut Kaufmann, Werner Fragner, Helmut Suppan, Adriaan Bernardus Spierings, Peter J. Uggowitzer, Andreas Schubert, Marc Hummel
Life of this patent
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Abstract
An Al—Mg-based or Al—Mg—Si-based or Al—Zn-based or Al—Si-based starting material in the form of a powder or wire for an additive manufacturing process, the use thereof, and an additive manufacturing process using this starting material are disclosed.
Claims23
An Al—Mg-based starting material in the form of a powder or wire for an additive manufacturing process, consisting of:
- from 0.6 to 1.5 wt % iron (Fe),
- at most 0.9 wt % manganese (Mn),
- 2 to 7 wt % magnesium (Mg), and
- optionally 0.05 to 2.5 wt % copper (Cu), optionally 0.05 to 12 wt % silicon (Si), and optionally 0.1 to 8 wt % zinc (Zn);
- wherein the content of manganese (Mn) and iron (Fe) together is from 0.7 to 2.1 wt % and fulfills an ordering relation
-
- (
- wt
-
-
- %
-
-
- Mn
- )
- >
- A
- +
- 0.15
- (
- wt
-
-
- %
-
-
- Fe
- )
-
- with
-
- A
- =
- 2000
- *
- (
- TLfcc
- 575
- -
- 1
- )
- 4
-
- TLfcc
- =
- 660
- -
- 6.6
- *
- (
- wt
-
-
- %
-
-
- Si
- )
- -
- 5.3
- *
- (
- wt
-
-
- %
-
-
- Mg
- )
- -
- 3.6
- *
- (
- wt
-
-
- %
-
-
- Cu
- )
- -
- 2
- *
- (
- wt
-
-
- %
-
-
- Zn
- )
- ,
- and optionally having
- 0.1 to 2 wt % erbium (Er),
- 0.1 to 3 wt % lithium (Li),
- 0 to 2 wt % nickel (Ni),
- 0 to 1 wt % silver (Ag), beryllium (Be), cobalt (Co), chromium (Cr), hafnium (Hf), molybdenum (Mo), niobium (Nb), titanium (Ti), vanadium (V), zirconium (Zr), tantalum (Ta), yttrium (Y) individually or in a combination;
- and
- residual aluminum (Al) and inevitable manufacturing induced impurities each having a maximum of 0.05% by weight and a total of at most 0.15% by weight.
An Al—Mg—Si-based starting material in the form of a powder or wire for an additive manufacturing process, consisting of:
- from 0.6 to 1.5 wt % iron (Fe),
- at most 0.9 wt % manganese (Mn),
- 0.3 to 2 wt % magnesium (Mg), and
- 0.05 to 1.5 wt % silicon (Si),
- optionally 0.05 to 2.5 wt % copper (Cu), optionally 0.1 to 8 wt % zinc (Zn);
- wherein the content of manganese (Mn) and iron (Fe) together is from 0.7 to 2.1 wt % and fulfills an ordering relation
- (
- wt
-
- %
-
- Mn
- )
- >
- A
- +
- 0.15
- (
- wt
-
- %
-
- Fe
- )
- with
- A
- =
- 2000
- ⋆
- (
- TLfcc
- 575
- -
- 1
- )
- 4
- TLfcc
- =
- 660
- -
- 6.6
- ⋆
- (
- wt
-
- %
-
- Si
- )
- -
- 5.3
- ⋆
- (
- wt
-
- %
-
- Mg
- )
- -
- 3.6
- ⋆
- (
- wt
-
- %
-
- Cu
- )
- -
- 2
- ⋆
- (
- wt
-
- %
-
- Zn
- )
- ,
- and optionally having
- 0.1 to 2 wt % erbium (Er),
- 0.1 to 3 wt % lithium (Li),
- 0 to 2 wt % nickel (Ni),
- 0 to 1 wt % silver (Ag), beryllium (Be), cobalt (Co), chromium (Cr), hafnium (Hf), molybdenum (Mo), niobium (Nb), titanium (Ti), vanadium (V), zirconium (Zr), tantalum (Ta), yttrium (Y) individually or in a combination;
- and
- residual aluminum (Al) and inevitable manufacturing induced impurities each having a maximum of 0.05% by weight and a total of at most 0.15% by weight.
An Al—Zn-based starting material in the form of a powder or wire for an additive manufacturing process, consisting of:
- from 0.6 to 1.5 wt % iron (Fe),
- at most 0.9 wt % manganese (Mn),
- 1 to 8 wt % zinc (Zn),
- 1.0 to 3 wt % magnesium (Mg), and
- 0.05 to 1.5 wt % silicon (Si),
- optionally 0.05 to 2.5 wt % copper (Cu);
- wherein the content of manganese (Mn) and iron (Fe) together is from 0.7 to 2.1 wt % and fulfills an ordering relation
- (
- wt
-
- %
-
- Mn
- )
- >
- A
- +
- 0.15
- (
- wt
-
- %
-
- Fe
- )
- with
- A
- =
- 2000
- ⋆
- (
- TLfcc
- 575
- -
- 1
- )
- 4
- TLfcc
- =
- 660
- -
- 6.6
- ⋆
- (
- wt
-
- %
-
- Si
- )
- -
- 5.3
- ⋆
- (
- wt
-
- %
-
- Mg
- )
- -
- 3.6
- ⋆
- (
- wt
-
- %
-
- Cu
- )
- -
- 2
- ⋆
- (
- wt
-
- %
-
- Zn
- )
- ,
- and optionally having
- 0.1 to 2 wt % erbium (Er),
- 0.1 to 3 wt % lithium (Li),
- 0 to 2 wt % nickel (Ni),
- 0 to 1 wt % silver (Ag), beryllium (Be), cobalt (Co), chromium (Cr), hafnium (Hf), molybdenum (Mo), niobium (Nb), titanium (Ti), vanadium (V), zirconium (Zr), tantalum (Ta), yttrium (Y) individually or in a combination;
- and
- residual aluminum (Al) and inevitable manufacturing induced impurities each having a maximum of 0.05% by weight and a total of at most 0.15% by weight.
An Al—Si-based starting material in the form of a powder or wire for an additive manufacturing process, consisting of:
- from 0.6 to 1.5 wt % iron (Fe),
- at most 0.9 wt % manganese (Mn),
- 5 to 11 wt % silicon (Si),
- optionally 0.1 to 8 wt % zinc (Zn), optionally 0.1 to 7 wt % magnesium (Mg), and optionally 0.05 to 2.5 wt % copper (Cu);
- wherein the content of manganese (Mn) and iron (Fe) fulfills an ordering relation
- (
- wt
-
- %
-
- Mn
- )
- >
- A
- +
- 0.15
- (
- wt
-
- %
-
- Fe
- )
- with
- A
- =
- 2000
- ⋆
- (
- TLfcc
- 575
- -
- 1
- )
- 4
- TLfcc
- =
- 660
- -
- 6.6
- ⋆
- (
- wt
-
- %
-
- Si
- )
- -
- 5.3
- ⋆
- (
- wt
-
- %
-
- Mg
- )
- -
- 3.6
- ⋆
- (
- wt
-
- %
-
- Cu
- )
- -
- 2
- ⋆
- (
- wt
-
- %
-
- Zn
- )
- ,
- and optionally having
- 0.1 to 2 wt % erbium (Er),
- 0.1 to 3 wt % lithium (Li),
- 0 to 2 wt % nickel (Ni),
- 0 to 1 wt % silver (Ag), beryllium (Be), cobalt (Co), chromium (Cr), hafnium (Hf), molybdenum (Mo), niobium (Nb), titanium (Ti), vanadium (V), zirconium (Zr), tantalum (Ta), yttrium (Y) individually or in a combination;
- and
- residual aluminum (Al) and inevitable manufacturing induced impurities each having a maximum of 0.05% by weight and a total of at most 0.15% by weight.
Dependencies are inferred from the claim text.