John Nicasio DO1 & Samy I McFarlane MD, MPH, FACP, FACE, CCD2† †Author for correspondence 1Assistant Professor of Research, SUNY-Downstate and Kings County Hospital Center, Division of Endocrinology, Diabetes and Hypertension, NY, 11203, USA 2†Associate Professor of Medicine, Interim Chief, Division of Endocrinology, Diabetes and Hypertension, Department of Medicine, Box 50, State University of...

In this paper, an attempt has been made to design an computational intelligence technique based expert system using Adaptive Neuro-Fuzzy Inference System (ANFIS) for predicting surface roughness in end milling of Inconel 718. Two different types of membership functions are adopted for analysis in ANFIS training and compared their differences regarding the accuracy rate of the surface roughness ...

♣Computer Science Department, Graduate School and University Center of The City University of New York ♦Computer Science Department, NAC 8-206, City College of New York, 138th Street at Convent Avenue, New York, NY 10031, USA. Tel: 212-650-6216. Fax: 212-650-6248. Email: [email protected] ♥Computer Science Department, The Graduate Center/CUNY, 365 Fifth Avenue, New York, NY 10016, USA. ...

The segregation of Alloy 718 ingots and the technical factors which affect the ingot homogenization practice are studied in this paper. The segregation and melting point of Alloy 7 18 ingots are studied by DTA, electron microprobe and structure analysis. The elimination of Laves phase is studied in detail. After the solution of Iaves phase the segregation elimination of Nb is reviewed further. ...

A variety of cast pyrometR 718 alloy microstructures result from processing of different diameters of industrial scale ingots for producing superalloy forgings used in aircraft turbine engine applications. The hot workability of these cast alloys will significantly depend on the cast microstructure. The current study is focussed on understanding the evolution of the cast microstructure during V...

http://tim.sagepub.com/content/33/6/718 The online version of this article can be found at: DOI: 10.1177/0142331209342211 February 201

A program has been conducted on the effects of Mg in cast alloy 718. The results show that small amounts of Mg improves impact toughness and decreases Nb segregation by decreasing secondary dendrite arm spacing which results in less and smaller interdendritic Laves and MC eutectics. Small amounts of Mg produce a more spheroidal as well as a more dispersive MC phase. Impact toughness was found t...