Abstract: Method, apparatus, and computer program product are provided for generating synthetic bathymetry using one or more fractal techniques. In some embodiments, real terrain data generated from sensor-based measurement of terrain associated with but outside a water body are received. This data may include, for example, real terrain data generated from sensor-based measurement (e.g., LiDAR) of at least a portion of an area proximate the water body. One or more fractal dimensions is/are extracted from the real terrain data, and synthetic bathymetry of the water body is generated based on the one or more fractal dimensions using one or more fractal terrain generation techniques. In some embodiments, one or more simulated geological processes is/are applied to the synthetic bathymetry. For example, a simulated sedimentation process and/or a simulated erosion process may be applied to soften the synthetic bathymetry.

Abstract: Provided are extrusion tools such as extrusion dies or portions thereof having a surface with at least one coating thereon, and methods of forming the same are disclosed. The at least one coating is formed from a composition that is a metal aluminum nitride or carbonitride with particular characteristics such that the amount of aluminum varies within the coating between a coating outer surface and an intermediate thickness within the coating. The resulting coatings have tailored physical and performance characteristics that result in improved wear and extrusion performance.

Abstract: Provided are extrusion tools such as extrusion dies or portions thereof having a surface with at least one coating thereon, and methods of forming the same are disclosed. The at least one coating is formed from a composition that is a metal aluminum nitride or carbonitride with particular characteristics such that the amount of aluminum varies within the coating between a coating outer surface and an intermediate thickness within the coating. The resulting coatings have tailored physical and performance characteristics that result in improved wear and extrusion performance.

Abstract: Provided are extrusion tools such as extrusion dies or portions thereof having a surface with at least one coating thereon, and methods of forming the same are disclosed. The at least one coating is formed from a composition that is a metal aluminum nitride or carbonitride with particular characteristics such that the amount of aluminum varies within the coating between a coating outer surface and an intermediate thickness within the coating. The resulting coatings have tailored physical and performance characteristics that result in improved wear and extrusion performance.

Abstract: The invention relates to a CVD-reactor for depositing layers made of a reaction gas onto workpieces. Said reactor comprises an elongate, vertical reaction chamber that is defined by a reactor wall and a reactor base, an inlet line for guiding the reaction gas into the reaction chamber, entering into the region of the reactor base in the reaction chamber, a central outlet line that guides the used reaction gas out of the reaction chamber and that extends out of the reactor chamber in the region of the reactor base, a tier-like workpiece receiving element that is arranged in a central manner in the reaction chamber and can be rotated about the central axis thereof.

Abstract: The invention relates to a CVD-reactor for depositing layers made of a reaction gas onto workpieces. Said reactor comprises an elongate, vertical reaction chamber that is defined by a reactor wall and a reactor base, an inlet line for guiding the reaction gas into the reaction chamber, entering into the region of the reactor base in the reaction chamber, a central outlet line that guides the used reaction gas out of the reaction chamber and that extends out of the reactor chamber in the region of the reactor base, a tier-like workpiece receiving element that is arranged in a central manner in the reaction chamber and can be rotated about the central axis thereof.