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The mechanical behaviour at room temperature and the lifetime in air at 700°C under static loading of SiC/BN/SiC minicomposites have been investigated. The minicomposites consisted of a single tow of Hi-Nicalon fibres coated with a BN interphase and a CVI-SiC matrix. For few of them, a BN layer...
The effects of casting thickness, modification and heat treatment on the microstructure and mechanical properties of A356.2 alloy have been investigated. Experiments were conducted with unmodified, Sr-modified (0.02% Sr) and Sb-modified (0.2% Sb) on both sand cast test bars with various...
Gadolinium phosphate, obtained through crystallisation from phosphoric acid solution containing Ca-ions, has been characterised by X-ray diffraction, IR-spectra and scanning electron microscopy methods. The presence of Ca-ions in solution resulted in Ca for Gd substitution coupled with...
Precise estimation of local stress profiles in individual phases of a fiber reinforced metal matrix composite is a crucial concern for design of composites. Stress profiles are significantly affected by plastic relaxation of soft matrix. In this work, an analytical model was developed to compute...
Several sintering aids were tested to lower the CaZrO 3 ceramic sintering temperature. Numerous additions are shown to lower the densification temperature and to promote the dielectric properties with a QF product, an insulating resistivity and a permittivity enhancement, and a lowering of the...
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