Materials Literature
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Abstract A series of amide‐plasticized soy protein isolate materials were prepared by hot compression‐molding techniques at 140°C and 20 MPa. The plasticizing efficiency of amides was in the order of formamide > acetamide > acrylamide resulting from scanning electron microscopy, optical transmittance and differe…
Abstract A new kind of dendronized polymer brush with metallo‐supramolecular polymer side chains was fabricated by a combination of macromonomer and graft‐to approach. The alternating copolymers of maleic anhydride and styryl macromonomers pendant with Fréchet‐type dendrons of three generations were reported previousl…
Continuous nanofibres fabricated by the electrospinning technique have found increasing applications (e.g. nanofibre composites, nanofibre devices, bioengineering tissue scaffolding, etc). For a nanofibre network subjected to a small external perturbation, the fibre segments within the network may deflect and stick to…
The interaction of crystallographic twin boundaries with an external magnetic field as a mechanism for shape deformation is analyzed theoretically and applied to the alloy Ni2MnGa. A defect, modeled as a Gaussian strain distribution interacting elastically with the twin boundary, is localized in one of the two variant…
We study experimentally and numerically the transmission properties of the multilevel dendritic structures. This kind of structure produces one electric resonance and multiple magnetic resonances in different frequencies. In the case of dendritic structure alone, we can tune the magnetic resonance peak into the negati…
Abstract A new kind of blend film was made by mixing the solutions of collagen, konjac glucommnnan (KGM), and sodium alginate. The structure of the blend film was characterized by FTIR, XRD, atomic absorption spectrophotometer, and SEM, respectively. The effects of weight ratio between the polymers on light transmitta…
The purpose of this study was to determine the effect of particle size on the mechanical properties (Modulus of Elasticity, Modulus of Rupture, and Internal Bond) and physical properties (thickness swelling and water absorption) of rice husk particleboard. The particle sizes used were 1.0mm, 1.18mm, 2mm, 2.36mm and 2.…
Mueller matrices for waves reflected and transmitted through chiral materials are derived in terms of elements of the like- and cross-linearly polarized reflection and transmission coefficients. The diagonal-like-polarized reflection and transmission coefficients are insensitive to the chiral properties of the materia…
The maximum cooling temperature of a uniform thermoelectric material is limited by its dimensionless figure of merit $ZT$. Inhomogeneous or graded thermoelectric materials are mainly studied when there is a large temperature gradient and the material composition is typically optimized for maximum local $ZT$. We show t…
Fine-grained polycrystalline metals have a very high yield stress and excellent workability. Hence, numerous researchers are trying to develop an efficient process to obtain such materials. Our goal is to develop an efficient severe plastic deformation (SPD) process through investigating grain-refinement mechanisms in…
Galvannealed steel sheets are being widely used in automotive application for better corrosion resistance. It is generally known that uncoated steel sheets have better mechanical properties than coated steel sheets due to presence of zinc coating. But frictional characteristics of coated steel sheets are very differen…
The effect of ScSZ - YSZ composite on stabilization and electrical conductivity has been investigated. Composite of (8YSZ)x(10ScSZ)(1-x)(x=0~1) were mixed by wet milling process and sintered at 1400°C for 5h and characterized by XRD, SEM, dilatometry and impedance spectroscopy. the long-term stability of the electroly…
Formation of size controlled nanohole arrays on semiconductor substrate can be used variously in applications of photonic and electronic device. The unique structure of nanoporous alumina was directly used as an etching mask for pattern transfer into the GaAs substrate. Using the alumina masks prepared at the anodic v…
Mg97Zn1Y2 alloy powders were prepared from gas atomization process, followed by consolidation using spark plasma sintering (SPS) process. The atomized Mg97Zn1Y2 alloy particles were entirely spherical in shape and dendrite microstructure. The compacts sintered by SPS process have values more than 99% of theoretical de…
Precipitated Calcium Carbonate (PCC) is obtained through three processes; that of calcination, hydration, and carbonation. Thus, changes in each process condition determine the particle size or morphology of the mediums (calcium oxide and calcium hydroxide) as well as the product (PCC). To date, studies concerning pre…
The characteristics of energy storage and dissipation in TiNi shape memory alloys were investigated experimentally based on the superelastic properties under various thermomechanical loading conditions. The results obtained can be summarized as follows. (1) The recoverable strain energy increases in proportion to the…
Since the PbSCC(Lead stress corrosion cracking) of alloy 600 tubing materials was reported by Copson and Dean in 1965, the effect of lead on a corrosion film and cracking morphology have been continually debated. An electrochemical interaction of lead with the alloying elements of SG tubings was studied and the corros…
The present study deals with the problem of interfacial cracks of antiplane sliding mode between a usual elastic material and a one-dimensional hexagonal quasicrystal. Based on the physical facts that balance of the phason stress field is foreign to the real force in or out of quasicrystal in physical space, and the q…
Abstract Composites of EPDM/TiO 2 in which TiO 2 particles were surface modified with γ‐methacryloxypropyl trimethoxysilane (MPS) and preultrasonically dispersed, and EPDM was grafted with maleic anhydride (MA) were successfully prepared. FTIR analysis showed that the modification of TiO 2 and the grafting of EPDM had…
In modern thermal analysis and design involving thermal transport in solid components it is necessary to apply different modeling of the thermal heat flow in bulk material and across solid surface interfaces either in shape of a layer or a solid-solid interface. Similar differences occur when applying different measur…