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Additive manufacturing modeling and simulation : a literature review for electron beam free form fabrication / / William J. Seufzer
Additive manufacturing modeling and simulation : a literature review for electron beam free form fabrication / / William J. Seufzer
Autore Seufzer William J (William James), <1961->
Pubbl/distr/stampa Hampton, Virginia : , : National Aeronautics and Space Administration, Langley Research Center, , April 2014
Descrizione fisica 1 online resource (vii, 23 pages)
Collana NASA/TM
Soggetto topico Additives
Deposition
Electron beams
Fabrication
Feedback control
Simulation
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Altri titoli varianti Additive manufacturing modeling and simulation
Record Nr. UNINA-9910702428803321
Seufzer William J (William James), <1961->  
Hampton, Virginia : , : National Aeronautics and Space Administration, Langley Research Center, , April 2014
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Additives and crystallization processes [[electronic resource] ] : from fundamentals to applications / / Keshra Sangwal
Additives and crystallization processes [[electronic resource] ] : from fundamentals to applications / / Keshra Sangwal
Autore Sangwal Keshra
Pubbl/distr/stampa Chichester, England ; ; Hoboken, NJ, : Wiley, c2007
Descrizione fisica 1 online resource (469 p.)
Disciplina 622
660.284298
Soggetto topico Crystal growth
Nucleation
Additives
Crystallization
Soggetto genere / forma Electronic books.
ISBN 1-280-97412-5
9786610974122
0-470-51783-2
0-470-51782-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Additives and Crystallization Processes; Contents; Preface; 1 Complexes in Solutions; 1.1 Structure of Common Solvents; 1.2 Structure of Pure Aqueous Electrolyte Solutions; 1.2.1 Solvation of Electrolyte Ions in Solutions; 1.2.2 Concentrated and Saturated Electrolyte Solutions; 1.2.3 Formation of Aquo and Partially Aquo Complexes; 1.3 Structure of Aqueous Electrolyte Solutions Containing Additives; 1.4 Polyelectrolytes and Surfactants in Solutions; 1.5 Polydentate Ligands and Molecular Additives; 1.6 Crystal-Additive Interactions; References
2 Three-Dimensional Nucleation and Metastable Zone Width2.1 Driving Force for Phase Transition; 2.2 Three-Dimensional Nucleation of Crystals; 2.2.1 Three-Dimensional Nucleation Rate; 2.2.2 Three-Dimensional Heterogeneous Nucleation; 2.3 Metastable Zone Width; 2.4 Nucleation and Transformation of Metastable Phases; 2.4.1 Crystallization of Metastable Phases; 2.4.2 Overall Crystallization; 2.5 Induction Period for Crystallization; 2.6 Effects of Additives; 2.6.1 Solubility; 2.6.2 Three-Dimensional Nucleation Rate; 2.6.3 Metastable Zone Width; References
3 Kinetics and Mechanism of Crystal Growth: An Overview3.1 Crystal Growth as a Kinetic Process; 3.2 Types of Crystal-Medium Interfaces; 3.3 Roughening of Steps and Surfaces; 3.3.1 Thermodynamic Roughening and the Surface Entropy Factor; 3.3.2 Kinetic Roughening; 3.4 Growth Kinetics of Rough Faces; 3.5 Growth Kinetics of Perfect Smooth Faces; 3.6 Growth Kinetics of Imperfect Smooth Faces; 3.6.1 Surface Diffusion and Direct Integration Models; 3.6.2 Bulk Diffusion Models; 3.6.3 Growth by a Group of Cooperating Screw Dislocations; 3.6.4 Preferential Growth at Edge Dislocations
3.7 Effect of Foreign Substances on Growth Kinetics3.7.1 Some General Considerations; 3.7.2 Growth Kinetics by Heterogeneous Two-Dimensional Nucleation; 3.8 Real Crystal Growth Mechanisms; 3.8.1 Structure of Interfacial Layer; 3.8.2 Sources of Growth Steps; 3.9 Techniques for Studying Growth Kinetics; References; 4 Effect of Impurities on Crystal Growth Kinetics; 4.1 Mobile and Immobile Impurities; 4.2 Surface Coverage and Adsorption Isotherms; 4.2.1 Adsorption Isotherms; 4.2.2 Changes in Surface Free Energy by Adsorption of Impurities; 4.3 Kinetic Models of Impurity Adsorption
4.3.1 Earlier Models4.3.2 Velocity of Curved Steps; 4.3.3 Impurity Adsorption at Kinks in Steps: Kubota-Mullin Model; 4.3.4 Impurity Adsorption at Surface Terrace: Cabrera-Vermilyea Model; 4.3.5 Effectiveness Factor for Impurity Adsorption; 4.3.6 Adsorption of Two Competing Impurities; 4.4 Confrontation of Impurity Adsorption Mechanisms with Experimental Data; 4.5 Time-Dependent Impurity Adsorption; 4.6 Growth Kinetics in the Presence of Impurities; 4.6.1 Basic Kinetic Equations; 4.6.2 Time Dependence of Face Displacement
4.6.3 Dependence of Kinetic Coefficient for Step Motion on Impurity Concentration
Record Nr. UNINA-9910143715003321
Sangwal Keshra  
Chichester, England ; ; Hoboken, NJ, : Wiley, c2007
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Additives and crystallization processes [[electronic resource] ] : from fundamentals to applications / / Keshra Sangwal
Additives and crystallization processes [[electronic resource] ] : from fundamentals to applications / / Keshra Sangwal
Autore Sangwal Keshra
Pubbl/distr/stampa Chichester, England ; ; Hoboken, NJ, : Wiley, c2007
Descrizione fisica 1 online resource (469 p.)
Disciplina 622
660.284298
Soggetto topico Crystal growth
Nucleation
Additives
Crystallization
ISBN 1-280-97412-5
9786610974122
0-470-51783-2
0-470-51782-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Additives and Crystallization Processes; Contents; Preface; 1 Complexes in Solutions; 1.1 Structure of Common Solvents; 1.2 Structure of Pure Aqueous Electrolyte Solutions; 1.2.1 Solvation of Electrolyte Ions in Solutions; 1.2.2 Concentrated and Saturated Electrolyte Solutions; 1.2.3 Formation of Aquo and Partially Aquo Complexes; 1.3 Structure of Aqueous Electrolyte Solutions Containing Additives; 1.4 Polyelectrolytes and Surfactants in Solutions; 1.5 Polydentate Ligands and Molecular Additives; 1.6 Crystal-Additive Interactions; References
2 Three-Dimensional Nucleation and Metastable Zone Width2.1 Driving Force for Phase Transition; 2.2 Three-Dimensional Nucleation of Crystals; 2.2.1 Three-Dimensional Nucleation Rate; 2.2.2 Three-Dimensional Heterogeneous Nucleation; 2.3 Metastable Zone Width; 2.4 Nucleation and Transformation of Metastable Phases; 2.4.1 Crystallization of Metastable Phases; 2.4.2 Overall Crystallization; 2.5 Induction Period for Crystallization; 2.6 Effects of Additives; 2.6.1 Solubility; 2.6.2 Three-Dimensional Nucleation Rate; 2.6.3 Metastable Zone Width; References
3 Kinetics and Mechanism of Crystal Growth: An Overview3.1 Crystal Growth as a Kinetic Process; 3.2 Types of Crystal-Medium Interfaces; 3.3 Roughening of Steps and Surfaces; 3.3.1 Thermodynamic Roughening and the Surface Entropy Factor; 3.3.2 Kinetic Roughening; 3.4 Growth Kinetics of Rough Faces; 3.5 Growth Kinetics of Perfect Smooth Faces; 3.6 Growth Kinetics of Imperfect Smooth Faces; 3.6.1 Surface Diffusion and Direct Integration Models; 3.6.2 Bulk Diffusion Models; 3.6.3 Growth by a Group of Cooperating Screw Dislocations; 3.6.4 Preferential Growth at Edge Dislocations
3.7 Effect of Foreign Substances on Growth Kinetics3.7.1 Some General Considerations; 3.7.2 Growth Kinetics by Heterogeneous Two-Dimensional Nucleation; 3.8 Real Crystal Growth Mechanisms; 3.8.1 Structure of Interfacial Layer; 3.8.2 Sources of Growth Steps; 3.9 Techniques for Studying Growth Kinetics; References; 4 Effect of Impurities on Crystal Growth Kinetics; 4.1 Mobile and Immobile Impurities; 4.2 Surface Coverage and Adsorption Isotherms; 4.2.1 Adsorption Isotherms; 4.2.2 Changes in Surface Free Energy by Adsorption of Impurities; 4.3 Kinetic Models of Impurity Adsorption
4.3.1 Earlier Models4.3.2 Velocity of Curved Steps; 4.3.3 Impurity Adsorption at Kinks in Steps: Kubota-Mullin Model; 4.3.4 Impurity Adsorption at Surface Terrace: Cabrera-Vermilyea Model; 4.3.5 Effectiveness Factor for Impurity Adsorption; 4.3.6 Adsorption of Two Competing Impurities; 4.4 Confrontation of Impurity Adsorption Mechanisms with Experimental Data; 4.5 Time-Dependent Impurity Adsorption; 4.6 Growth Kinetics in the Presence of Impurities; 4.6.1 Basic Kinetic Equations; 4.6.2 Time Dependence of Face Displacement
4.6.3 Dependence of Kinetic Coefficient for Step Motion on Impurity Concentration
Record Nr. UNINA-9910830629803321
Sangwal Keshra  
Chichester, England ; ; Hoboken, NJ, : Wiley, c2007
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Applicability of existing materials testing standards for additive manufacturing materials / / John Slotwinski; Shawn Moylan
Applicability of existing materials testing standards for additive manufacturing materials / / John Slotwinski; Shawn Moylan
Autore Slotwinski John
Pubbl/distr/stampa Gaithersburg, MD : , : U.S. Dept. of Commerce, National Institute of Standards and Technology, , 2014
Descrizione fisica 1 online resource (13 pages) : illustrations (color)
Altri autori (Persone) MoylanShawn
SlotwinskiJohn
Collana NISTIR
Soggetto topico Additives
Manufacturing processes
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910709590603321
Slotwinski John  
Gaithersburg, MD : , : U.S. Dept. of Commerce, National Institute of Standards and Technology, , 2014
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Effect of acoustic excitation on R134a/Al2O3 nanolubricant mixture boiling on a reentrant cavity surface with extensive measurement and analysis details / / Mark A. Kedzierski, Steven E. Fick
Effect of acoustic excitation on R134a/Al2O3 nanolubricant mixture boiling on a reentrant cavity surface with extensive measurement and analysis details / / Mark A. Kedzierski, Steven E. Fick
Pubbl/distr/stampa Gaithersburg, MD : , : U.S. Dept. of Commerce, National Institute of Standards and Technology, , 2014
Descrizione fisica 1 online resource (41 pages) : illustrations (black and white)
Altri autori (Persone) FickSteven E
KedzierskiMark A
Collana NIST technical note
Soggetto topico Acoustics
Additives
Nanotechnology
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910711253303321
Gaithersburg, MD : , : U.S. Dept. of Commerce, National Institute of Standards and Technology, , 2014
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Enhancement of perfluoropolyether boundary lubrication performance / / W.R. Jones, Jr., O.O. Ajayi and L.D. Wedeven
Enhancement of perfluoropolyether boundary lubrication performance / / W.R. Jones, Jr., O.O. Ajayi and L.D. Wedeven
Autore Jones W. R.
Pubbl/distr/stampa Cleveland, Ohio : , : National Aeronautics and Space Administration, Lewis Research Center, , September 1996
Descrizione fisica 1 online resource (11 pages) : illustrations
Collana NASA technical memorandum
Soggetto topico Lubricants
Additives
Perfluoro compounds
Liquid surfaces
Pretreatment
Boundary lubrication
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910707349503321
Jones W. R.  
Cleveland, Ohio : , : National Aeronautics and Space Administration, Lewis Research Center, , September 1996
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Evaluation of boundary-enhancement additives for perfluoropolyethers / / Bradley A. Shogrin [and four others]
Evaluation of boundary-enhancement additives for perfluoropolyethers / / Bradley A. Shogrin [and four others]
Autore Shogrin Bradley
Pubbl/distr/stampa Cleveland, Ohio : , : National Aeronautics and Space Administration, Lewis Research Center, , December 1996
Descrizione fisica 1 online resource (20 pages) : illustrations
Collana NASA technical memorandum
Soggetto topico Perfluoro compounds
Polyether resins
Amorphous materials
Wear
Additives
Boundary lubrication
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910707497403321
Shogrin Bradley  
Cleveland, Ohio : , : National Aeronautics and Space Administration, Lewis Research Center, , December 1996
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
An experimental investigation of the influence of the lubricant viscosity and additives on gear wear [[electronic resource] /] / Timothy L. Krantz, Ahmet Kahraman
An experimental investigation of the influence of the lubricant viscosity and additives on gear wear [[electronic resource] /] / Timothy L. Krantz, Ahmet Kahraman
Autore Krantz T. L (Timothy L.)
Pubbl/distr/stampa Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , [2005]
Descrizione fisica 1 online resource (18 pages) : illustrations
Altri autori (Persone) KahramanAhmet
Collana NASA/TM
ARL-TR
Soggetto topico Additives
Gear teeth
Lubricants
Viscosity
Wear
Mechanical engineering
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910697023003321
Krantz T. L (Timothy L.)  
Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , [2005]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Fire-retardant decorative inks for aircraft interiors [[electronic resource] /] / Zohar Nir, John A. Mikroyannidis, and Demetrius A. Kourtides
Fire-retardant decorative inks for aircraft interiors [[electronic resource] /] / Zohar Nir, John A. Mikroyannidis, and Demetrius A. Kourtides
Autore Nir Z
Pubbl/distr/stampa Moffett Field, Calif. : , : National Aeronautics and Space Administration, Ames Research Center, , [1984]
Descrizione fisica 1 online resource (15 pages) : illustrations
Altri autori (Persone) MikroyannidisJohn A
KourtidesDemetrius A
Collana NASA technical memorandum
Soggetto topico Additives
Aircraft compartments
Flame retardants
Inks
Panels
Thermal stability
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910700854603321
Nir Z  
Moffett Field, Calif. : , : National Aeronautics and Space Administration, Ames Research Center, , [1984]
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Mechanical testing of large thallium doped sodium iodide single crystals [[electronic resource] /] / by Henry M. Lee
Mechanical testing of large thallium doped sodium iodide single crystals [[electronic resource] /] / by Henry M. Lee
Autore Lee Henry M
Pubbl/distr/stampa [Marshall Space Flight Center, Ala.] : , : National Aeronautics and Space Administration, George C. Marshall Space Flight Center, , [1985, i.e. 1986]
Descrizione fisica v, 62 pages : digital, PDF file
Collana NASA TM
Soggetto topico Additives
Grain boundaries
Load tests
Mechanical properties
Single crystals
Sodium iodides
Thallium
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910697709003321
Lee Henry M  
[Marshall Space Flight Center, Ala.] : , : National Aeronautics and Space Administration, George C. Marshall Space Flight Center, , [1985, i.e. 1986]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui