EVALUATION OF THERMAL AND MECHANICAL PROPERTIES OF ZnSO4-B2O3-P2O5-Ho2O3 GLASS- CERAMICS

被引：0
作者：
Alqarni, Areej S. [1 ]
Bulus, Ibrahim [2 ]
机构：
[1] Princess Nourah Bint Abdulrahman Univ, Coll Sci, Dept Phys, POB 84428, Riyadh 11671, Saudi Arabia
[2] Kaduna State Coll Educ Gidan Waya, Dept Phys, POB 1024, Kafanchan, Nigeria
来源：
QUIMICA NOVA | 2025年 / 48卷 / 02期
关键词：
holmium ion effect; thermal properties; mechanical properties; ELASTIC PROPERTIES; TELLURITE GLASSES; CRYSTALLIZATION; MICROSTRUCTURE;
D O I：
10.21577/0100-4042.20250075
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this study, a novel glass-ceramic (GC) obtained from ZnSO4-B2O3-P2O5-Ho2O3 composition, coded as H0.0, H0.5 and H0.8, was synthesized via molten-solidified approach. The effect of varying content of Ho2O3 from 0.5 to 0.8 mol% on thermal and mechanical properties of the prepared GC were experimentally and theoretically scrutinized. The attained results showed that inclusion of Ho2O3 content amplified crystallite size from 42.3 to 50.5 mm. Besides, the values of elastic moduli (Youngs's, bulk, shear and longitudinal) computed via Makishima-Mackenzie's (MM) model were slightly augmented. Finally, the decent value of thermal stability (> 150 degrees C) and high fracture toughness of > 20000 MPa mm 1/2 achieved for the newly fabricated GC may be applicable in protective covers of portable electronics.
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页数：7
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