Westinghouse Electric

About: Westinghouse Electric is a company organization based out in Cranberry Township, Pennsylvania, United States. It is known for research contribution in the topics: Brake & Signal. The organization has 27959 authors who have published 38036 publications receiving 523387 citations.

Machining aerospace alloys with the aid of a 15 kW laser

Abstract: “Concept feasibility” has been shown for laser-assisted machining (LAM) using a 15 kW continuous-wave laser— the concept being that a laser beam will selectively heat the workpiece in a machining operation, and will thereby enable higher rates of metal removal to be achieved without a corresponding loss in tool life. The concept feasibility study involved two aerospace materials: Inconel 718 and Ti-6Al-4V. Ceramic tools were used for Inconel 718 and carbides for the titanium alloy. For both materials, the metal removal rate was significantly increased without aggravating either cutting force or tool wear, the gain in removal rate being 33 pct for Inconel 718 and 100 pct for Ti-6Al-4V using current tool materials and beam coupling techniques. The commercial feasibility of LAM requires (a) incorporation of the process into a “laser integrated manufacturing system,” or (b) dropping the power requirement to approximately 5 kW through improved beam coupling techniques, both of which serve to reduce the effective capital investment and operating costs for LAM. Application of LAM is foreseen for difficult-to-machine materials in parts for which the machining time is a major portion of the total floor-to-floor time and thus warrants minimizing.

Spalling and corrosion resistant ceramic coating for land and marine combustion turbines

Abstract: This is an improved process for fabricating a turbine blade for use in land based or marine combustion turbines and in particular is a thin ceramic coating applied to at least the portion of the blades which is designed to operate in the 1100°-1500° F. temperature range and especially in turbines designed to be useable with contaminated fuels. The invention utilizes a 1-4 mil thick ceramic coating on at least a portion of the blade designed to operate in the 1100°-1500° F. temperature range and utilizes a process in which the blade is controlled to a temperature of at least 1200° F. during the application of the ceramic coating.

The fast neutron response of 4H silicon carbide semiconductor radiation detectors

Abstract: Fast neutron response measurements are reported for radiation detectors based on large-volume SiC p-i-n diodes. Multiple reaction peaks are observed for 14-MeV neutron reactions with the silicon and carbon nuclides in the SiC detector. A high degree of linearity is observed for the /sup 28/Si(n,/spl alpha//sub i/) reaction set of six energy levels in the product /sup 25/Mg nucleus, and pulse height defect differences between the observed /sup 12/C(n,/spl alpha//sub 0/)/sup 28/ Si(n,/spl alpha//sub i/) energy responses are discussed. Energy spectrometry applications in fission and fusion neutron fields are also discussed.

Mobile terminal apparatus and method having network inter-operability

Abstract: A mobile terminal apparatus that operates in both the cellular and satellite networks. The terminal device has five different operating modes. It operates in a satellite only mode, a cellular only mode, an autoroam with satellite priority mode, an autoroam with cellular priority mode, and autoroam with cellular home location register (HLR) priority mode. The terminal apparatus monitors the cellular operation and satellite operation concomitantly. When a call is in progress in the cellular system, a seamless handoff may be effected to the satellite system.