Siemens Aktiengesellschaft

Siemens Energy, Inc.

Stefan Lampenscherf

Steffen Walter

Anand A Kulkarni

Gia Khanh Pham

Gary Brian Merrill

Ramesh Subramanian

Ahmed Kamel

Jörg Freudenberger

Joerg Freudenberger

Thomas Hammer

Ulrich Bast

Cora Schillig

Gotthard Rieger

Jonathan E Shipper

Uwe Rettig

Andreas Pickard

Ashkan Naeini

Mathias Sommerer

Michael Krispin

Ewald Werner

Hubertus Von Dewitz

Wolfgang Schäff

Various embodiments of the teachings herein include an electric motor. In some embodiments, the motor includes: a stator; and a moving component comprising an iron-based soft-magnetic structural material including crystallites of a ferromagnetic iron-based alloy separated by grain boundaries, wherein there is interlayer-free contact between the crystallites at grain boundaries. The structural material comprises ceramic fibers. A content of the ceramic fibers is between 0.2% and 10% by volume. An aspect ratio of the ceramic fibers is less than 0.1.

Electric motor

The embodiments relate to a method for the production of a refractory metal component by casting. The method includes providing a slip that contains a powder including at least one refractory metal or a compound thereof, in addition to at least one binding agent. The method further includes processing the slip by casting, (e.g., film casting or slip casting), to form at least one slip coating, the slip being devoid of a metal binding agent. A component was produced by this method. The embodiments may be used, in particular, on X-ray tubes, accelerator targets, or fusion reactors, such as for a surface of an X-ray anode, or a wall of a fusion reactor.

Production of a refractory metal component

A gas turbine arrangement, a power plant having such a gas turbine arrangement and a method for operating the power plant are provided. A compressor may be mechanically coupled to a turbine which can be driven by combustion gases, such as can be generated by combustion of fuel with the compressed combustion air. An exhaust system may be used to discharge the combustion gases. One or more thermoelectric generators may be thermally coupled to the exhaust system for generating electrical energy from residual heat of the combustion gases which pass in the exhaust system. This gas turbine arrangement allows waste heat from the combustion gases to be utilized and thus the overall efficiency of the gas turbine arrangement can be increased and pollutant emissions may be lowered.

Gas turbine arrangement, power plant and method for the operation thereof

A rotary anode for an X-ray tube includes a ceramic base body that carries a focal path for emitting X-rays during electron irradiation. The ceramic base body is made of a mixture of silicon carbide and at least one high temperature-resistant diboride.

Rotary anode and method for producing a base body for a rotary anode

Thermoelectric elements of a thermoelectric transducer are p-doped and n-doped and are arranged alternately, connected electrically to one another and are formed essentially in the shape of a ring.

Thermoelectric transducer and heat exchange pipe

A thermal barrier tile () with a braze layer () co-sintered to a ceramic layer () is brazed to a substrate () of a component for fabrication or repair of a thermal barrier coating () for example on a gas turbine ring segment (). The tile may be fabricated by disposing a first layer of a metal brazing material in a die case (); disposing a second layer of a ceramic powder on the metal brazing material; and co-sintering the two layers with spark plasma sintering to form the co-sintered ceramic/metal tile. A material property of an existing thermal barrier coating to be repaired may be determined (), and the co-sintering may be controlled () responsive to the property to produce tiles compatible with the existing thermal barrier coating in a material property such as thermal conductivity.

Method and apparatus for fabrication and repair of thermal barriers

A rotating anode includes a focal track that has a microstructure on a surface of the focal track. The microstructure is produced using deep reactive ion etching.

Focal track of a rotating anode having a microstructure

A tungsten bronze structured ceramic material as a thermal barrier coating is described wherein the tungsten bronze structured ceramic coating material has the formula AO&#x2014;BO&#x2014;COwhere O stands for Oxygen, A stands for a 2+ or a 1+ cation, B stands for a 2+ or 3+ cation and C stands for a 4+ or a 5+ cation. The thermal barrier coating may be applied for gas turbine components.

Use of a tungsten bronze structured material and turbine component with a thermal barrier coating

The invention relates to a coated turbine component adapted for exposure to a hot gas flow, comprising a component body comprising a base material, a thermal barrier coating applied to the base material, and a thermographic phosphor arranged within, on or beneath the thermal barrier coating surface adapted to emit light corresponding to a temperature of the thermographic phosphor. The invention also relates to a method for producing a coated turbine component comprising applying a first thermal barrier coating containing an activator to a component body base material, the activator providing the thermal barrier layer coating with thermographic properties such that light is emitted corresponding to a temperature of the thermographic phosphor, applying a second thermal barrier coating that does not contain the activator on top of the first thermal barrier coating, and removing a portion of the second thermal barrier coating to expose the thermographic phosphor layer underlying the second thermal barrier coating. The invention also relates to a method for producing a coated turbine component comprising applying a thermal barrier coating to a component body, trenching the thermal barrier coating to form a base at the bottom of the trench and applying a thermographic phosphor to the base of the trench.

Coated component and production process

An apparatus for monitoring the structural integrity of a component. A monitoring structure is applied to a component that is subject to structural degradation. The monitoring structure includes an electrical conductor that becomes cracked if the component becomes structurally degraded. When the component is a ductile metal component that may be degraded by bending, the electrical conductor is formed of a brittle material that cracks when the ductile metal component is bent. When the component is a brittle ceramic heat shield wherein a crack having a critical length is of concern, the electrical conductor is located at a predetermined location wherein a critical length crack in the component will propagate into the conductor. A crack in the electrical conductor is detected with a monitoring device to indicate a degraded structural condition in the component.

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Poing, Germany

Stefan Lampenscherf