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RISNumerical Evaluation of the Surface Displacements due to Soil Grouting and to Tunnel Excavation
Publisher: American Society of Civil Engineers
Abstract: The low-pressure grouting with cement mixtures is one of the techniques adopted for improving the mechanical characteristics of granular soils prior to the excavation of underground openings. When applied to shallow subway ...
Accuracy of Measurements of Turbulent Phenomena in the Surface Layer with an Ultrasonic Anemometer
Publisher: American Meteorological Society
Abstract: Ultrasonic anemometers are widely used to investigate turbulence in the surface layer. Some of their advantages are high-frequency sampling, the ability to work for long periods without a resident operator (even in adverse ...
Mean Vertical Motions in the PBL Measured by Doppler Sodar: Accuracy, Ambiguities, and Possible Improvements
Publisher: American Meteorological Society
Abstract: Accurate measurements of vertical wind velocity w by sodar are useful for investigating dynamic phenomena in the PBL such as convection, subsidence, divergence, and vertical movements associated with local circulation. ...
Friction and Wear Studies of Articular Cartilage: A Scanning Electron Microscope Study
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The friction and wear characteristics of human hip joints were investigated using a pendulum-device and the Scanning Electron Microscope (SEM). The frictional phenomena of the joints oscillating ...
Investigation on the Cause of Damages of a Deep Tunnel
Publisher: American Society of Civil Engineers
Abstract: A study is presented on the damages that developed in the segmented precasted concrete liner of a deep tunnel excavated by means of a tunnel boring machine (TBM). Various possible causes are considered i.e., the pore-water ...
Experimental Study on the Performance in Milling Operations of Inconel® 718 With TiN/TiAlN-Coated Tools
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Inconel® 718 alloy presents superior mechanical properties, which is why it is considered a difficult-to-machine material. To improve the milling process performance, multilayer TiN/TiAlN-coated tools were deposited ...
Comparative Analysis of the Wear Behavior of TiN/TiAlN-, TiAlVN-, and TiAlYN-Coated Tools in Milling Operations of Inconel 718
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Milling is widely used in the aeronautical and aerospace industries, due to the possibility of producing parts with good dimensional stability and surface quality. Because of its exceptional mechanical qualities and limited ...
Comparative Analysis of the Wear Behavior of TiN/TiAlN-, TiAlVN-, and TiAlYN-Coated Tools in Milling Operations of Inconel 718
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Milling is widely used in the aeronautical and aerospace industries, due to the possibility of producing parts with good dimensional stability and surface quality. Because of its exceptional mechanical qualities and limited ...
Investigations on Tool Wear Behavior of TiAlVN and TiAlN/TiAlVN Coated Tools in the Milling Inconel 718
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The constant growth of the aerospace industry has been made possible due to the development and implementation of materials capable of withstanding the service demands of different components. Inconel 718 alloy presents ...
Cooling and Lubricating Strategies for INCONEL® Alloys Machining: A Comprehensive Review on Recent Advances
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: INCONEL® alloys are Ni-based superalloys with superior mechanical properties for extremely high-temperature (T) applications. These alloys present significant challenges: they are difficult-to-cut materials due to the low ...