Materials Literature
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A procedure for intercalating layered double hydroxides is described:power X-ray diffraction, i.r., and thermogravimmetric measurements confirm that for sebacic acid, toluene-p-sulphonic acid, and dodecyl sulphate intercalation takes place and results in gallery heights of 11.5,12.2, and 8.4 Å respectively.
A new electrooptic mode of operation of ferroelectric chiral smectic C liquid crystal displays (LCDs) is proposed and demonstrated. The effect, which is called the deformed helical ferroelectric (DHF) effect, is based on the deformation of the helical structure by weak electric fields. In the unbiased device the smect…
In this paper we consider the Cahn-Hilliard mathematical continuum model of spinodal decomposition (or phase separation) of a binary alloy. The phenomenological model is derived in section one. The existence theory for the Cahn-Hilliard equation is reviewed in section two. Various aspects and generalizations are surve…
The adsorption of CO on partially reduced CeO2[CeO2(573-H) and CeO2(673-H), CeO2 reduced in H2 at 573 and 673 K for 1 h, respectively] has been studied by Fourier-transform infrared spectroscopy (F.t.i.r.). The observation of formate species (771, 1329, 1369, 1558, 1587, 2852 and 2945 cm–1) formed by the reaction of C…
After the performance of clothing fabric in use has been satisfied to some extent, consumers seek better-quality, that is, more comfortable, fabrics. Fabric performance in relation to ‘better fitting to the human body’ is an essential requirement of clothing materials. From the mechanical-comfort viewpoint, textile pr…
The hydrodynamic force resisting the relative motion of two unequal drops moving along their line of centers is determined for Stokes flow conditions. The drops are assumed to be in near-contact and to have sufficiently high interfacial tension that they remain spherical. The squeeze flow in the narrow gap between the…
The TMEH Desk Edition presents a unique collection of manufacturing information in one convenient source. Contains selected information from TMEH Volumes 1-5--over 1,200 pages of manufacturing information. A total of 50 chapters cover topics such as machining, forming, materials, finishing, coating, quality control, a…
This book gives a rather exhaustive list of isotropy subgroups of the 230 crystallographic space groups. The symmetry changes for the vast majority of observed phase transitions in crystalline solids can be found in the list. With each entry, information is given concerning both physical and abstract characteristics o…
The author provides a comprehensive review of the basic charge simulation method and its various modified versions reported in the literature. Applications of the charge simulation method, alone as well as in combination with other methods, are considered. Different aspects of this method are critically examined and i…
History of shaped charges applications the Gurney velocity approximation shaped charge jet formation the visco-plastic jet formation theory comments on explosive welding, bonding and forming the breakup of shaped charge jets shaped charge jet penetration models other aspects of shaped charges computational aspects of…
Crystallization conditions for hen egg white lysozyme in the presence of various ions were determined at pH 4.5 and 18 degrees C. The corresponding solubility curves show that the main effects are due to anions in the following order: SCN- greater than NO3- greater than Cl- greater than citrate2- greater than CH3COO-…
The nature of low-pressure glow-discharge plasma, plasma equipment, and the effect of plasma on materials is reviewed. Examples are given of the improved adhesive bonding of polymers after plasma treatment (2–10 times improvement in lap-shear) and of the surface cleaning and chemical modification that occurs during pl…
The response times and operating voltages of light shutters formed from polymer dispersed liquid crystals (PDLCs) have been studied experimentally and the results compared with calculations based on non-sperhically shaped nematic droplet models. The experiments were performed on light shutters with elongated and unifo…
Tissue biocompatibility of cellulose and its derivatives was examined in two in vivo tests, one for absorbance by living tissue and one for foreign body reaction. The samples examined were regenerated celluloses and cellulose derivatives: methyl cellulose, ethyl cellulose, aminoethyl cellulose, hydroxyethyl cellulose,…
1. An Introduction to Textile Structures and Their Behaviour (F. Scardino). 2. Mechanics of Yarn and Nonwoven Fabrics (J.W.S. Hearle). 3. Nonlinear Mechanics of Woven and Knitted Materials (S. Kawabata). 4. Triaxially Braided Materials for Composites (J. Skelton). 5. Three-dimensional Fabrics for Composites (F. Ko). 6…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis and electrochemistry of alkyl ring-substituted polyanilinesYen Wei, Walter W. Focke, Gary E. Wnek, Anjan Ray, and Alan G. MacDiarmidCite this: J. Phys. Chem. 1989, 93, 1, 495–499Publication Date (Print):January 1, 1989Publication History Published online1 May 2002P…
The surface stability of intertidal cohesive sediments maintained in a laboratory tidal ecosystem was examined in relation to the migratory behavior of epipelic diatoms. Stability was measured by a new portable device—a cohesive strength meter. Diatom#x2010;inhabited sediments increased significantly in surface stabil…
Recent development of shape memory alloys is reviewed, emphasis being placed on theTi–Ni, Cu–based and ferrous alloys which are considered as practical materials for applications among many shape memory alloys. Crystal structures of the parent and martensitic phases are described, and the crystallography of the marten…
The author reviews surface flashover (i.e. voltage breakdown along the surface of insulators), primarily in vacuum. He discusses theories and models relating to surface flashover and pertinent experimental results. Surface flashover of insulators in vacuum generally is initiated by the emission of electrons from the c…
Methodology is described for the culture of avian and mammalian chondrocytes in ionotrophically gelled "semi-solid" and "hollow" alginate beads. Chondrocytes grown in "semi-solid" gels exhibited a spherical shape as opposed to a fibroblastic morphology observed in monolayer culture. In the "semi-solid" beads, the cell…