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SUBSTITUTION EFFECTS IN ZR2(WO4)(PO4)2 BY TI ON THE NEGATIVE THERMAL EXPANSION BEHAVIORS
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نویسنده
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Murai Kei-ichiro ,Koizumi Tetsuta ,Shah Muhamad Faiz Farhan binMohamad ,Abd Rashid Mohd Warikh bin ,Moriga Toshihiro
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منبع
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journal of advanced manufacturing technology - 2016 - شماره : Special Issue - صفحه:25 -31
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چکیده
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In-situ x-ray diffractometry and dilatometry were applied to evaluate substitution effects in zr2-xtix(wo4)(po4)2 on negative thermal expansion behavior. the substitution induced a reduction of all the lattice parameter a, b and c and suppressed the coefficient of negative thermal expansion (α= - 2.54×10^-6 k^-1 for x=0 and α= - 1.52×10^-6 k^-1 for x=0.20). however, the coefficients obtained by the dilatometry were larger than those obtained by x-ray diffractometry, maybe due to preferred orientation of grains in the tested bar.
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کلیدواژه
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Negative Thermal Expansion ,Dilatometry ,In-situ High-Temperature X-ray Diffractometry
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آدرس
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Tokushima University, Faculty of Engineering, Department of Chemical Science and Technology, Japan, Tokushima University, Faculty of Engineering, Department of Chemical Science and Technology, Japan, Tokushima University, Faculty of Engineering, Department of Chemical Science and Technology, Japan, Universiti Teknikal Malaysia Melaka, Faculty of Manufacturing Engineering, Malaysia. Tokushima University, Faculty of Engineering, TMAC-Tokushima Center, Japan, Tokushima University, Faculty of Engineering, Department of Chemical Science and Technology, Japan
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Authors
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