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There are a total of 65 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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Analysis of the defect structure of B2 FeAl alloys
Author(s): Bozzolo, Guillermo; Ferrante, John; Noebe, Ronald D.; Amador, Carlos
Abstract: The Bozzolo, Ferrante and Smith (BFS) method for alloys is applied to the study of the defect structure of B2 FeAI alloys. First-principles Linear Muffin Tin Orbital calculations are used to determine the input parameters to ...
NASA Center: Glenn Research Center
Publication Year: 1995
Added to NTRS: 2008-08-04
Accession Number: 96N15315; Document ID: 19960008149; Report Number: E-9954, NAS 1.15:107079, NASA-TM-107079, NIPS-95-06121
Equivalent crystal theory of alloys
Author(s): Bozzolo, Guillermo; Ferrante, John
Abstract: Equivalent Crystal Theory (ECT) is a new, semi-empirical approach to calculating the energetics of a solid with defects. The theory has successfully reproduced surface energies in metals and semiconductors. The theory of ...
NASA Center: Glenn Research Center
Publication Year: 1991
Added to NTRS: 2008-08-04
Accession Number: 91N30318; Document ID: 19910021004; Report Number: E-5996, NAS 1.60:3155, NASA-TP-3155
Semiempirical analysis of surface alloy formation
Author(s): Bozzolo, Guillermo; Ferrante, John; Ibanez-Meier, Rodrigo
Abstract: The BFS method for alloys is applied to the study of surface alloy formation. This method was previously used to examine the experimental STM observation of surface alloying of Au on Ni(110) for low Au coverages by means of ...
NASA Center: Glenn Research Center
Publication Year: 1995
Added to NTRS: 2008-08-04
Accession Number: 96N15127; Document ID: 19960007961; Report Number: E-9982, NAS 1.15:107098, NASA-TM-107098, NIPS-95-06119
New Theoretical Technique for Alloy Design
Author(s): Ferrante, John
Abstract: During the last 2 years, there has been a breakthrough in alloy design at the NASA Lewis Research Center. A new semi-empirical theoretical technique for alloys, the BFS Theory (Bozzolo, Ferrante, and Smith), has been used to ...
NASA Center: Glenn Research Center
Publication Year: 2005
Added to NTRS: 2008-06-02
Document ID: 20050180491
Tribology theory versus experiment
Author(s): Ferrante, John
Abstract: Tribology, the study of friction and wear of materials, has achieved a new interest because of the need for energy conservation. Fundamental understanding of this field is very complex and requires a knowledge of solid-state ...
NASA Center: Glenn Research Center
Publication Year: 1987
Added to NTRS: 2005-10-13
Accession Number: 87N29599; Document ID: 19870020166; Report Number: E-3791, NAS 1.15:100198, NASA-TM-100198
The effect of Tricresyl-Phosphate (TCP) as an additive on wear of Iron (Fe)
Author(s): Ghose, Hiren M.; Ferrante, John; Honecy, Frank C.
Abstract: The effect of tricresyl phosphate (TCP) as an antiwear additive in lubricant trimethyol propane triheptanoate (TMPTH) was investigated. The objective was to examine step loading wear by use of surface analysis, wetting, and ...
NASA Center: Glenn Research Center
Publication Year: 1987
Added to NTRS: 2005-10-13
Accession Number: 87N27030; Document ID: 19870017597; Report Number: E-2883, NAS 1.15:100103, NASA-TM-100103
Generalization of Equivalent Crystal Theory to Include Angular Dependence
Author(s): Ferrante, John; Zypman, Fredy R.
Abstract: In the original Equivalent Crystal Theory, each atomic site in the real crystal is assigned an equivalent lattice constant, in general different from the ground state one. This parameter corresponds to a local compression or ...
NASA Center: Glenn Research Center
Publication Year: 2004
Added to NTRS: 2005-10-13
Document ID: 20040050628; Report Number: E-14443, NAS 1.15:212970, NASA/TM-2004-212970
Interfacial adhesion: Theory and experiment
Author(s): Ferrante, John; Bozzolo, Guillermo H.; Finley, Clarence W.; Banerjea, Amitava
Abstract: Adhesion, the binding of different materials at an interface, is of general interest to many branches of technology, e.g., microelectronics, tribology, manufacturing, construction, etc. However, there is a lack of ...
NASA Center: Glenn Research Center
Publication Year: 1988
Added to NTRS: 2005-10-13
Accession Number: 88N20417; Document ID: 19880011033; Report Number: E-4019, NAS 1.15:100830, NASA-TM-100830
Isothermal Equation Of State For Compressed Solids
Author(s): Vinet, Pascal; Ferrante, John
Abstract: Same equation with three adjustable parameters applies to different materials. Improved equation of state describes pressure on solid as function of relative volume at constant temperature. Even though types of interatomic ...
NASA Center: Glenn Research Center
Publication Year: 1989
Added to NTRS: 2005-09-30
Accession Number: 89B10291; Document ID: 19890000291; Report Number: LEW-14615
Equation Of State With Temperature Effects For Solids
Author(s): Vinet, Pascal; Ferrante, John; Smith, John R.; Rose, James H.
Abstract: Behavior at high temperature predicted from only four parameters. Equations derived to express thermodynamical properties of compressed solids at high temperatures. New equations based on fundamental considerations of ...
NASA Center: Glenn Research Center
Publication Year: 1989
Added to NTRS: 2005-09-30
Accession Number: 89B10292; Document ID: 19890000292; Report Number: LEW-14616
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