A method for producing a raw material powder of a permanent magnet, includes: preparing a material powder of a permanent magnet, measuring magnetic characteristics of the material powder, and judging the quality of the material powder as the raw material powder based on a preliminarily determined relation between magnetic characteristics and the structure of the material powder. A method for producing a permanent magnet includes integrating material powders judged as good in the step of judging the quality as raw material powders by the method for producing a raw material powder of a permanent magnet. A method for inspecting a permanent magnet material powder includes transmitting a magnetic field to a material powder of a permanent magnet, receiving the magnetic field from the material powder, and measuring a magnetic field difference between the transmitted magnetic field and the received magnetic field as magnetic characteristics of the material powder.

A method for producing a raw material powder of a permanent magnet, includes: preparing a material powder of a permanent magnet, measuring magnetic characteristics of the material powder, and judging the quality of the material powder as the raw material powder based on a preliminarily determined relation between magnetic characteristics and the structure of the material powder. A method for producing a permanent magnet includes integrating material powders judged as good in the step of judging the quality as raw material powders by the method for producing a raw material powder of a permanent magnet. A method for inspecting a permanent magnet material powder includes transmitting a magnetic field to a material powder of a permanent magnet, receiving the magnetic field from the material powder, and measuring a magnetic field difference between the transmitted magnetic field and the received magnetic field as magnetic characteristics of the material powder.

The present invention relates to a method for producing a hot-formed and quench-hardened tubular motor vehicle component (7) by way of internal high-pressure forming, a metallic starting material being at least partially heated to a heating temperature, in particular to a temperature above Ac3, being subjected to internal high-pressure forming in the hot state, and subsequently being quenched, preferably quench-hardened, wherein the internal high-pressure forming is performed as high-speed forming in a time of between 1 and 30 seconds, and the still-hot, formed motor vehicle component (7) is transferred into at least one separate quenching tool (5, 10) and is in particular quench-hardened, the motor vehicle component (7) being braced in a fixed position in the quenching tool (5, 10) and the cycle time of the quenching tool (5, 10) corresponding to the cycle time of the internal high-pressure forming.

The present invention relates to a method for producing a hot-formed and quench-hardened tubular motor vehicle component (7) by way of internal high-pressure forming, a metallic starting material being at least partially heated to a heating temperature, in particular to a temperature above Ac3, being subjected to internal high-pressure forming in the hot state, and subsequently being quenched, preferably quench-hardened, wherein the internal high-pressure forming is performed as high-speed forming in a time of between 1 and 30 seconds, and the still-hot, formed motor vehicle component (7) is transferred into at least one separate quenching tool (5, 10) and is in particular quench-hardened, the motor vehicle component (7) being braced in a fixed position in the quenching tool (5, 10) and the cycle time of the quenching tool (5, 10) corresponding to the cycle time of the internal high-pressure forming.

A steel alloy with unique and superior combinations of properties such as elevated temperature strength, oxidation resistance, thermal conductivity and wear resistance. Disclosed embodiments comprise or substantially consist of: C in an amount of 0.2-0.45 weight %; Si in an amount of 0.6-1.1 weight %; Mn in an amount of ?1.1 weight %; Cr in an amount of 2.5-4.0 weight %; one or both of Mo or W, a combined amount of the Mo or W?0.9 weight %; Ti in an amount of 0.035-0.14 weight %; V in an amount of 0.18-1.1 weight % and the balance being Fe and usual impurities.

A quenching agent delivery apparatus is provided for delivering a quenching agent to a component to be quenched. The delivery apparatus comprises an inlet through which the quenching agent is configured to be delivered into the apparatus, a first outlet configured to deliver quenching agent in a first direction to an inner surface of the component, and a second outlet configured to deliver quenching agent in a second direction to an inner surface of the component.

A quenching agent delivery apparatus is provided for delivering a quenching agent to a component to be quenched. The delivery apparatus comprises an inlet through which the quenching agent is configured to be delivered into the apparatus, a first outlet configured to deliver quenching agent in a first direction to an inner surface of the component, and a second outlet configured to deliver quenching agent in a second direction to an inner surface of the component.

An aluminum casting alloy for near net shaped casting of structural or non-structural components containing, in % by mass, Zn: 4.5-7.5%, Mg: 0.7-2.0%, Fe: 0.8-2.0%, Si: <0.3%, Cu: <0.1%, V: ?0.2%, Ti: ?0.2%, B: ?0.04%, balance Al and unavoidable impurities, the sum of the contents of the impurities being?0.1%. Also, a method for the manufacture of a cast part which has a yield strength of 180 to 200 MPa, an ultimate tensile strength of 300 to 320 MPa and an elongation of 11 to 14% and a method for the manufacture of a cast part which has a yield strength of 210 to 400 MPa, an ultimate tensile strength of 340 to 450 MPa and an elongation of 2 to 11% utilizing the described alloy.

A method for heat treating a horological component includes the following steps: heating of the component by irradiation, using a laser beam, of at least 80% or at least 90% of the projected surface of the component parallel to the direction of the laser beam, and cooling of the component in a gas stream.

A method for heat treating a horological component includes the following steps: heating of the component by irradiation, using a laser beam, of at least 80% or at least 90% of the projected surface of the component parallel to the direction of the laser beam, and cooling of the component in a gas stream.