THE EFFECT OF TEMPERATURE AND TIME OF CALCINATION ON SYNTHESIS OF YAG NANO-CRYSTALLINE BY NORMAL CO-PRECIPITATION METHOD

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RAHMANI MAHSA; MIRZAEI OMID; TAJALI MOHAMMAD

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Journal: Journal of Advanced Processes in Materials Engineering Year:2018 | Volume:11 | Issue:4 (43) Page(s): 67-78

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Title

THE EFFECT OF TEMPERATURE AND TIME OF CALCINATION ON SYNTHESIS OF YAG NANO-CRYSTALLINE BY NORMAL CO-PRECIPITATION METHOD

Author(s)

RAHMANI MAHSA | MIRZAEI OMID | TAJALI MOHAMMAD | Issue Writer Certificate

Keywords

SYNTHESIS OF YAGQ2

NANO CRYSTALQ3

NORMAL CO-PRECIPITATIONQ2

TEMPERATURE AND TIME OF CALCINATIONQ2

Abstract

Nano-crystalline Yttrium aluminum garnet (YAG, Y3Al5O12) were synthesized by NORMAL CO-PRECIPITATION method using yttria and aluminum nitrates as the starting materials and ammonium hydrogen carbonate (AHC, NH4HCO3) as precipitant. To investigate the effect of temperature and holding time the resultant precursors were calcined at 900-1100 ° C for 2 h also at 1100 ° C for other durations (15, 30, 45 and 60 min). The evolution of phase composition and micro-structure of the as-synthesized YAG powders were characterized by different techniques such as X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, thermal analyses (TG/DTA), Speciﬁ c surface area analyses (BET) and field emission electron microscopy (FESEM). The cubic YAG phase with an average grain size of 33 nm and speciﬁ c surface area of 30 m2/g was completely formed at 1000 ° C. In addition, pure YAG nano powders were obtained at 1100 ° C in only 15 min calcination. Results showed that compared with increasing holding time, raising of temperature have more intense effect in increasing YAG crystal or particle size.

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APA: Copy

RAHMANI, MAHSA, MIRZAEI, OMID, & TAJALI, MOHAMMAD. (2018). THE EFFECT OF TEMPERATURE AND TIME OF CALCINATION ON SYNTHESIS OF YAG NANO-CRYSTALLINE BY NORMAL CO-PRECIPITATION METHOD. ADVANCED PROCESSES IN MATERIALS, 11(4 (43) ), 67-78. SID. https://sid.ir/paper/172578/en

Vancouver: Copy

RAHMANI MAHSA, MIRZAEI OMID, TAJALI MOHAMMAD. THE EFFECT OF TEMPERATURE AND TIME OF CALCINATION ON SYNTHESIS OF YAG NANO-CRYSTALLINE BY NORMAL CO-PRECIPITATION METHOD. ADVANCED PROCESSES IN MATERIALS[Internet]. 2018;11(4 (43) ):67-78. Available from: https://sid.ir/paper/172578/en

IEEE: Copy

MAHSA RAHMANI, OMID MIRZAEI, and MOHAMMAD TAJALI, “ THE EFFECT OF TEMPERATURE AND TIME OF CALCINATION ON SYNTHESIS OF YAG NANO-CRYSTALLINE BY NORMAL CO-PRECIPITATION METHOD,” ADVANCED PROCESSES IN MATERIALS, vol. 11, no. 4 (43) , pp. 67–78, 2018, [Online]. Available: https://sid.ir/paper/172578/en

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