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Author : D. B. Williams
Publisher :
ISBN 13 :
Total Pages : 216 pages
Book Rating : 4.:/5 (16 download)
Download or read book Precipitation Reaction in Dilute Aluminium-lithium Alloys written by D. B. Williams and published by . This book was released on 1974 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Bernard Williams
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (258 download)
Download or read book Precipitation reactions in dilute aluminium-lithium alloys written by David Bernard Williams and published by . This book was released on 1974 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T. H Sanders (Jr)
Publisher :
ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.:/5 (227 download)
Download or read book Precipitation Mechanisms in Aluminum-Lithium Alloys written by T. H Sanders (Jr) and published by . This book was released on 1983 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coarsening kinetics of delta prime in Al-Li and Al-Li-Ag alloys were studied. The influence of deformation on the growth of delta prime was also investigated.
Author : F.S. Al-Hazmi
Publisher :
ISBN 13 :
Total Pages : 202 pages
Book Rating : 4.:/5 (111 download)
Download or read book Precipitation in Aluminium-lithium Alloys written by F.S. Al-Hazmi and published by . This book was released on 1990 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ramesh J. Kar
Publisher :
ISBN 13 :
Total Pages : 478 pages
Book Rating : 4.F/5 ( download)
Download or read book Aluminum-lithium Alloys written by Ramesh J. Kar and published by . This book was released on 1988 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. P. Gangloff
Publisher :
ISBN 13 :
Total Pages : 516 pages
Book Rating : 4.X/5 (4 download)
Download or read book Environment assisted degradation mechanisms in aluminum-lithium alloys written by R. P. Gangloff and published by . This book was released on 1988 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Colin Baker
Publisher : Institute
ISBN 13 :
Total Pages : 660 pages
Book Rating : 4.F/5 ( download)
Download or read book Aluminium-Lithium Alloys III written by Colin Baker and published by Institute. This book was released on 1986 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ming Sheng Yu
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (774 download)
Download or read book Transformation Kinetics of Delta Prime Precipitation in Aluminum-lithium Alloys written by Ming Sheng Yu and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The transformation kinetics of the early-stage of phase separation in an supersaturated Al-12 at.% Li alloy has been studied by means of time-resolved synchrotron radiation techniques. The simultaneous measurement of both the temporal evolution of the intensity profile from wide-angle x-ray diffraction (XRD) and small-angle x-ray scattering (SAXS) is a unique arrangement. The comparison of the integrated intensity from both the SAXS intensity profile and the XRD superlattice reflection provides the sequence of phase separation, such as ordering and decomposition. The combination of the rate of change of the integrated intensity from the superlattice reflection and the variation of ordered domain size suggest the likely division temperature, the congruent ordering temperature, T$sb{rm o}$, and the ordering instability temperature, T$sb{-}$. In addition, the phase separation models, such as Cahn-Hilliard-Cook (CHC), Langer-Bar on-Miller (LBM) and Furukawa have been tested using the results of synchrotron radiation measurements. The dynamical scaling of the SAXS intensity profiles and the power growth law of peak positions and intensities have also been investigated. In the late-stage of phase separation, the study focuses on the coarsening kinetics behavior of Al alloys with 9.7 at.% and 7.9 at.% lithium. The kinetics parameters, i.e. coarsening rate constants are determined from the in situ conventional SAXS measurements. The diffusivity, D, and the activation energy, $gamma$, for the diffusion of lithium atoms within the solid solution can be calculated from these kinetics parameters. The correction for the volume fraction effect and the choice of the appropriate phase diagram can provide consistent and reasonable kinetics parameters.
Author :
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (238 download)
Download or read book Study of Precipitation and Deformation Characteristics of the Aluminum-lithium Alloy by X-ray Double Crystal Diffractometry written by and published by . This book was released on 1990 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (946 download)
Download or read book Investigation of the Role of Trace Additions of Precipitation, Deformation and Fracture on Aluminum Alloys written by and published by . This book was released on 2001 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: The research objectives of this program have been to identify relationships between precipitate structure, grain structure, slip behavior on a micro scale, and strength and bulk deformation and fracture behavior of new aluminum-lithium alloys.
Author : Aigbodion Victor Sunday
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783843374187
Total Pages : 56 pages
Book Rating : 4.3/5 (741 download)
Download or read book Solid State Precipitation of Aluminium Alloys written by Aigbodion Victor Sunday and published by LAP Lambert Academic Publishing. This book was released on 2010-11 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermal analysis is a useful technique for the study of solid phase transformations and has been widely applied to study precipitation in aluminium alloys, but the results are generally interpreted qualitatively. Quantitative interpretation of Differential Scanning Calorimetry(DSC) experiments on ternary aluminium-based alloys has been attempted, and can improve understanding of their thermodynamics and kinetics of precipitation. Three separate, distinctly kinetic models were used in the studying of the precipitation reactions. The analysis should help shed some light on solid state reactions in aluminium alloy, and should be especially useful to professionals in Engineering and Science fields, or anyone else who may be considering usage of aluminium alloys
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Author : Nathan Eric Baxter
Publisher :
ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.:/5 (38 download)
Download or read book Solute Interaction Effects on the Precipitation Behavior of the [alpha]-Al(Mn, Fe)Si Dispersoid Phase in Dilute Aluminum Alloys written by Nathan Eric Baxter and published by . This book was released on 1997 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : N. Eswara Prasad
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128068418
Total Pages : 49 pages
Book Rating : 4.1/5 (28 download)
Download or read book Aluminum-Lithium Alloys written by N. Eswara Prasad and published by Elsevier Inc. Chapters. This book was released on 2013-09-20 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: The formation of metastable and equilibrium phases in binary Al–Li, ternary Al–Li–Mg and Al–Li–Cu, and quaternary Al–Cu–Li–Mg alloys has been studied by using a variety of experimental techniques including differential scanning calorimetry, electrical resistivity, X-ray diffraction, conventional and high-resolution electron microscopy and 3D atom probe measurements. Al3Li (δ′) is the strengthening phase in binary Al–Li and ternary Al–Li–Mg alloys. Mg reduces the solubility of Li in Al and also substitutes for Li in δ′. The characteristics of θ′ (and θ) and T1 phases in Al–Li–Cu alloys and the composition limits where these phases are formed are well understood. For low Li contents (1.4–1.5%). Formation of T1 is promoted by small additions of Ag and Mg and by cold work prior to artificial aging. Zr forms the metastable β′ (Al3Zr) phase, which has an appreciable effect on retarding recrystallization besides providing nucleation sites for composite δ′ particles. Sc and Yb additions behave in a similar way; the added advantage is improved creep strength. The available information from phase equilibria studies of Al–Li–Cu–Mg alloys is somewhat limited, but sufficient to give an indication of the desirable solution treatment and aging temperatures and the phases formed at these temperatures. 3D atom probe studies suggest the involvement of Mg atoms in the formation of clusters which lead to the formation of the T1 phase, during artificial ageing of aging of quenched Al–Cu–Mg–Ag alloys. All these aspects are covered in detail, with specific reference to different commercial and semi-commercial Al–Li alloys, wherever possible.
Author : I. R. McLauchlin
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (125 download)
Download or read book Precipitation in Aluminium-copper-lithium Alloys written by I. R. McLauchlin and published by . This book was released on 1968 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Clark E. Whitman
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (837 download)
Download or read book An Examination of Delta Prime Growth in an Aluminum-lithium Alloy by X-Ray Diffraction written by Clark E. Whitman and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A previously manufactured hot rolled sheet of A1-LiZr alloy of composition A1-2.5%Li-15%Zr, by weight, was solution treated and artificially aged at 194 C from C to 32 hours. X-ray diffraction analysis of the alloy was conducted to observe the growth characteristics of the delta prime precipitate (the precipitate hardening phase). Transmission electron microscopy was used to verify X-ray results. Significant superlattice intensity and line broadening occurred in the as-quenched sample. This observation supports a possible order/disorder reaction and a spinodal decomposition as opposed to the typical nucleation and precipitation reaction usually observed in a precipitation hardened alloy. The Scherrer equation was used to determine delta prime particle size from diffraction line broadening, and this size was found to coarsen following conventional Ostwald ripening theory once the initial effects of the spinodal had aged out. The delta phase (considered cause of low toughness) was observed in the as quenched sample and throughout the heat treatment. It was surmised that this may be the origin of he low-short transverse fracture toughness which is typical of some of these alloys.
Author : G. Thompson
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (258 download)
Download or read book Precipitation in aluminium-copper and aluminium-lithium alloys written by G. Thompson and published by . This book was released on 1970 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ramesh J. Kar
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (813 download)
Download or read book Aluminum-lithium Alloys written by Ramesh J. Kar and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
