J. E. Field1966-07-28Philosophical Transactions of the Royal Society of London Series A Mathematical and Physical Sciences
Abstract When a liquid mass strikes a solid surface, compressible behaviour, giving rise to a sharp peak of pressure, may occur in the initial stages of the impact. The duration of the peak depends on the dimensions and impact velocity of the liquid mass, and also on the compressional wave velocity for the liquid. The…
Fluid Dynamics and Heat TransferFluid Dynamics Simulations and InteractionsHigh-Velocity Impact and Material Behavior
Allen C. Smith1966-07-28Philosophical Transactions of the Royal Society of London Series A Mathematical and Physical Sciences
Abstract Blade erosion in wet steam turbines is considered to be preceded by the collection of large water droplets on the blade concave surfaces; this is followed by steam breaking up the resulting water film at the stationary blade trailing edges into fairly coarse, slow-moving droplets, and culminates in their coll…
Fusion materials and technologiesNuclear Materials and PropertiesErosion and Abrasive Machining
J. H. Brunton1966-07-28Philosophical Transactions of the Royal Society of London Series A Mathematical and Physical Sciences
Abstract A study has been made of the deformation at high strain rates of solids under the impact of liquids. A method is described for projecting a short liquid jet against a solid surface at speeds up to 1200 m/s. The flow of the liquid and the deformation of the solid during impact have been examined by high speed…
Fluid Dynamics and Heat TransferHigh-Velocity Impact and Material BehaviorErosion and Abrasive Machining
T. Brooke Benjamin、A. T. Ellis1966-07-28OpenAlex
Abstract Our object is to present a broad review of this subject as a branch of hydrodynamics, referring both to the well known ‘implosion’ mechanism first analysed by Lord Rayleigh and, more particularly, to the recently perceived possibility that effects of equally great violence, such as to damage solid boundaries,…
Energetic Materials and CombustionCavitation Phenomena in PumpsUltrasound and Cavitation Phenomena
Albert Edward Green、Norman Laws1966-07-26Proceedings of the Royal Society of London A Mathematical and Physical Sciences
Abstract A general thermodynamical theory is developed for rods. An elastic rod, and special cases of the general theory which are closely related to the classical theories of rods and strings, are also discussed.
Elasticity and Material ModelingThermoelastic and Magnetoelastic PhenomenaNonlocal and gradient elasticity in micro/nano structures
A. L. Renninger、S. C. Moss、B. L. Averbach1966-07-15Physical Review
This investigation of the spin arrangement in a single crystal of MnO above the N\'eel temperature (${T}_{N}\ensuremath{\simeq}122$\ifmmode^\circ\else\textdegree\fi{}K) has shown that the magnetic neutron scattering in the vicinity of the (111) magnetic peak position consists of diffuse but distinct satellites. The pr…
Magnetic properties of thin filmsTheoretical and Computational PhysicsMagnetic Properties and Applications
Henry J. Prask、Henri Boutin1966-07-15The Journal of Chemical Physics
Translational and librational motions of H2O molecules in a frequency region lying below 1000 cm−1 have been previously examined for various configurations using the inelastic scattering of low-energy neutrons (0.005 eV). In the present work, H2O motions are studied in cases where neither of the lone electron pairs on…
Spectroscopy and Quantum Chemical StudiesAdvanced NMR Techniques and ApplicationsSolid-state spectroscopy and crystallography
D. M. Gruen、C. W. DeKock1966-07-15The Journal of Chemical Physics
Absorption spectra have been obtained of gaseous NdBr3 and NdI3 in the range 4000–25 000 cm−1 between 1000° and 1200°C. Spectra of solid and liquid NdI3 near the melting point have also been measured. The most prominent feature of the gaseous spectra is a complex band located between 16 000–17 000 cm−1 with oscillator…
Luminescence Properties of Advanced MaterialsSpectroscopy and Laser ApplicationsOptical properties and cooling technologies in crystalline materials
Matthias Wuttig、H. K. Birnbaum1966-07-15Physical Review
We have measured self-diffusion along widely spaced edge dislocations in nickel. A surface-accumulation counting technique was used. The dislocations were arranged to be perpendicular to the surface which was counted and were pure edge in character. The diffusion measurements were carried out in the temperature range…
Microstructure and mechanical propertiesSemiconductor materials and interfacesSurface and Thin Film Phenomena
R. Blinc、S. Svetina1966-07-15Physical Review
A high-temperature cluster series is derived for the partition function of an order-disorder-type hydrogen-bonded ferroelectric crystal, taking into account a simplified interaction between protons as well as the overlap of the protonic wave functions between the two sites in a hydrogen bond. The zero-order result is…
Crystallography and molecular interactionsSolid-state spectroscopy and crystallographyMolecular spectroscopy and chirality
Julio A. Gonzalo、D. E. Cox、G. Shirane1966-07-15Physical Review
The magnetic structure of Fe${\mathrm{Sb}}_{2}$${\mathrm{O}}_{4}$ at 4.2\ifmmode^\circ\else\textdegree\fi{}K has been investigated by powder neutron-diffraction techniques. The spin arrangement is noncollinear, consisting of a combination of three different antiferromagnetic modes. The principal mode ($A$) is one in w…
Magnetic and transport properties of perovskites and related materialsCrystal Structures and PropertiesAdvanced Condensed Matter Physics
John B. Gruber、James R. Henderson、M. Muramoto 等 5 位作者1966-07-15The Journal of Chemical Physics
The absorption spectra of large single crystals of Er2O3 observed at 10°, 80°, and 290°K were analyzed in the 2200–10 000-Å wavelength region. Over 600 transitions from all eight crystalline Stark levels of the ground 4I15/2 state to over 30 excited J manifolds of the Er3+ ion in C2 sites were assigned. In thick cryst…
Luminescence Properties of Advanced MaterialsGlass properties and applicationsSpectroscopy and Laser Applications
H. P. R. Frederikse、George A. Candela1966-07-15Physical Review
The magnetic susceptibility of strontium titanate with and without charge carriers has been measured at 300, 78, and 4.2\ifmmode^\circ\else\textdegree\fi{}K. Insulating SrTi${\mathrm{O}}_{3}$ shows a magnetic moment, which is partly diamagnetic and partly (Van Vleck) paramagnetic. The free-carrier contribution is main…
Ferroelectric and Piezoelectric MaterialsMagnetic and transport properties of perovskites and related materialsElectronic and Structural Properties of Oxides
R. Blinc、S. Svetina1966-07-15Physical Review
A four-particle cluster approximation is worked out for the free energy of ferroelectric K${\mathrm{H}}_{2}$P${\mathrm{O}}_{4}$, taking into account the overlap of the protonic wave functions between the two sites in a hydrogen bond as well as short-range and long-range forces and a part of the proton-lattice interact…
Crystallography and molecular interactionsSolid-state spectroscopy and crystallographyMolecular Spectroscopy and Structure
P. N. Schatz、Anthony J. McCaffery、W. Suëtaka 等 6 位作者1966-07-15The Journal of Chemical Physics
Measurements of the magneto-optical rotatory dispersion (MORD) and magnetic circular dichroism (MCD) through the accessible charge-transfer bands of Fe(CN)63−, MnO4−, and CrO42− in the visible and ultraviolet are described and interpreted. The apparatus employed combines a superconducting solenoid furnishing maximum f…
Magnetism in coordination complexesElectron Spin Resonance StudiesMolecular spectroscopy and chirality
Mary Beth Stearns1966-07-15Physical Review
The internal magnetic fields and isomer shifts of ${\mathrm{Fe}}^{57}$ nuclei in a number of iron-rich bcc binary alloy systems were measured by the M\"ossbauer technique. The added solute atoms Al, Si, Mn, Cr, or V give structure to the individual lines of the spectra indicating that their effects are quite localized…
Magnetic properties of thin filmsMagnetic Properties and ApplicationsMagnetic Properties of Alloys
Eugene Loh1966-07-08Physical Review
The lowest $4f\ensuremath{\rightarrow}5d$ ultraviolet absorption band of eleven (Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, and Yb) of the fourteen trivalent rare-earth (RE) ions in host Ca${\mathrm{F}}_{2}$ crystals has been measured. The room temperature absorption cross section [${\mathrm{cm}}^{2}$] and half-width [${…
Luminescence Properties of Advanced MaterialsGlass properties and applicationsInorganic Fluorides and Related Compounds
A. V. Tobolsky、W. J. MacKnight、Masato Takahashi1966-07-01Rubber Chemistry and Technology
Abstract The chemorheology of crosslinked polyethylene disulfide, polyethylene tetrasulfide, and mixtures of these polymers with elemental sulfur is investigated. It is shown that stress decay in the disulfide polymer occurs by scission of the small quantities of higher polysulfide linkages present in the network. It…
Structural mechanics and materialsMaterial Properties and Failure MechanismsPolymer Science and Applications
W C Ormsby、L. H. Bolz1966-07-01Journal of the American Ceramic Society
Textural and compositional features of reaction products in the system kaolin–lime–water were examined by electron microscopy and electron diffraction. Electron micrographs of replicas of fracture surfaces of compacted mixtures and transmission electron micrographs of powdered compacts showed considerable attack of ka…
Hydrocarbon exploration and reservoir analysisSoil and Unsaturated FlowClay minerals and soil interactions
Louis J. Thompson1966-07-01Defense Technical Information Center (DTIC)
This is an overall study of the whole process of projectile penetration into soil. The governing differential equations for the soil target medium are developed using the equations of motion and the continuity condition. Constitutive relationships are derived from Mohr-Coulomb theory for a rigid plastic material and f…
High-Velocity Impact and Material BehaviorSports Dynamics and BiomechanicsGeotechnical and Geomechanical Engineering