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Poly(ester-imide)s (PEI)s are a kind of non-vinyl polymers which can be prepared via step-growth polymerization. They contain ester and imide linkages in the polymer backbones and lately show significant applications, such as adhesives, printed circuit boards, membranes, and engineering thermoplastics. Synthesis of chiral polymers is an important field in macromolecular science, they have attracted...
Fabrication of thick YBa2Cu3Oy (YBCO) films with high critical current densities(Jc) has remained one of the major challenges in the coated conductor development process. In this work, we report successful fabrication of several multi-layer YBCO films with thicknesses ranging from 0.1 micrometers to 1.2 micrometers. The films were deposited on a single crystal substrate by using a multi-layer TFA-MOD...
Summary form only given. Sintered Co(Cr)-MoB materials have a good combination of high modulus, high wear resistance, high corrosion resistance and adequate fracture toughness, making them suitable for many industrial applications such as metal-cutting tools and wear resistant components. In many applications, they are superior to oxide and carbide coatings. Recently, boride- based cermet surface...
The influence of film structure on temperature characteristics of polysilicon nanofilms (PSNFs) was reported in this paper. Samples were deposited by LPCVD with different film thickness and deposition temperature. The microstructure of films was characterized by SEM, TEM and XRD. By measuring the resistivity and the gauge factor of samples at different temperatures, temperature coefficients of the...
The magnetic properties bulk nanograin composite Nd-Fe-B/Fe-Co magnets is enhanced reducing the size and improving the distribution of the soft phase throughout the magnet. This was achieved through various coating technologies applied to coat melt-spun micrometer-sized Nd-Fe-B powder particles with thin alpha-Fe or Fe-Co layers. These coating techniques include sputtering, pulsed laser deposition,...
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