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Several mesophase pitch-based carbon fibres showing radial textures in their transverse alignments were observed by high resolution scanning electron microscope (HR-SEM) to elucidate the principal factor that induces the open crack in the transverse sections of the fibre along its fibre axis. The...
The midrib is the major stiffening element of maize leaves. Its anatomical study reveals a complex cross-sectional shape and a composite constitutive material. A mechanical model is proposed, based on composite beam theory, to account for the bending mechanical behaviour of a beam element with an...
A new three-parameter statistical distribution is offered for the description of random strength of a brittle material. The distribution allows characterization of a wide range of relations regarding the strength-size effect. Thus, in contrast to the Weibull distribution, the non-linear character...
Partial substitutions of nickel in Ti2Ni intermetallic compound with cobalt, potassium, boron and aluminium have been studied in the present paper. It is found that cobalt and boron additions are beneficial but aluminium addition is detrimental to the specific capacity of the electrode. Potassium...