Abstract: This steel compositions for use in additive manufacturing are disclosed. In some embodiments, a metal alloy includes a majority iron in addition to carbon, molybdenum, vanadium, and tungsten. Overall, there may be a ratio of a combined atomic percentage of molybdenum, vanadium, and tungsten relative to carbon that is between or equal to 2:1 and 5:1. Other components such as grain refiners and/or oxidation resistant materials may also be included in such an alloy.

Abstract: A novel family of die steels is disclosed. This family of die steels is strengthened through the formation of M2C precipitates and one or two additional precipitates, wherein M is one or more of chromium (Cr), vanadium (V), molybdenum (Mo) or tungsten (W). These additional precipitates may include copper precipitates, NiAl precipitates, and Ni(Al1-xMnx) precipitates. This creates a steel having an acceptable hardness, as well as excellent thermal conductivity.

Abstract: The present invention relates to a metal powder for use within an additive manufacturing process, the powder comprising steel particles, wherein the steel particles comprise, in a proportion by weight greater than or equal to 0.01% by weight and less than or equal to 5% by weight, carbonitrides (C,N) and/or carbides (C) and/or nitrides (N) selected from the group consisting of titanium, zirconium or mixtures thereof. Furthermore, the present invention relates to a method for producing a steel powder suitable for use within an additive manufacturing process and to the use of the steel powder according to the invention in an additive manufacturing process.

Abstract: 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, 0.0.01 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.

Abstract: 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.

Abstract: A method and an apparatus (10) for generating a three-dimensional work piece containing an information code are provided. The method comprises the steps of applying a raw material powder (18) onto a carrier (14) by means of a powder application device (16), irradiating electromagnetic or particle radiation (22) onto the raw material powder (18) applied onto the carrier (14) by means of an irradiation device (20), and controlling the operation of the powder application device (16) and the irradiation device (20) so as to generate an information code pattern (36) on or in the work piece (12), wherein the information code pattern (36) is defined by the microstructure (34) of the work piece (12).

Abstract: 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, 0.0.01 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.

Abstract: A method and an apparatus (10) for generating a three-dimensional work piece containing an information code are provided. The method comprises the steps of applying a raw material powder (18) onto a carrier (14) by means of a powder application device (16), irradiating electromagnetic or particle radiation (22) onto the raw material powder (18) applied onto the carrier (14) by means of an irradiation device (20), and controlling the operation of the powder application device (16) and the irradiation device (20) so as to generate an information code pattern (36) on or in the work piece (12), wherein the information code pattern (36) is defined by the microstructure (34) of the work piece (12).

Abstract: A chill casting and foam casting method together with a casting mold that is closable in a pressure-tight manner for producing molded articles. To improve the chill casting method and the foam casting method so that the quality of the products produced is greatly increased and particularly homogeneous material properties are achieved, a gas is supplied to a melt which only partially fills a closed mold cavity until the inside pressure within the mold cavity exceeds the melting point pressure curve such that the melt suddenly solidifies. The solidification process takes place largely independently of location and is thus sudden, so that the instantaneous state of the melt is reflected in the resulting solidified article with virtually no change. This makes it possible to produce molded articles which have a uniform core distribution and meet high quality demands in a reliable and reproducible manner.

Abstract: A chill casting and foam casting method together with a casting mold that is closable in a pressure-tight manner for producing molded articles. To improve the chill casting method and the foam casting method so that the quality of the products produced is greatly increased and particularly homogeneous material properties are achieved, a gas is supplied to a melt which only partially fills a closed mold cavity until the inside pressure within the mold cavity exceeds the melting point pressure curve such that the melt suddenly solidifies. The solidification process takes place largely independently of location and is thus sudden, so that the instantaneous state of the melt is reflected in the resulting solidified article with virtually no change. This makes it possible to produce molded articles which have a uniform core distribution and meet high quality demands in a reliable and reproducible manner.