Anomalous elastic behaviour of xSrO-10PbO-(90-x)B2O3 glass system

Nurul Syahidah Sabri, A. K. Yahya, Roslan Abd. Shukor, Mahesh Kumar Talari

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Glass samples with composition xSrO-10PbO-(90-x)B2O3 (x = 20, 25, 30, 35, 40 and 45) were prepared by melt-quenching method to elucidate the elastic behaviour due to borate anomaly. Structural investigation of glass samples were carried out by X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy while elastic properties were studied by measuring both longitudinal and shear velocities using pulse-echo method at 5 MHz frequency. FTIR analysis revealed the presence of BO4 and BO3 vibration groups. Addition of SrO has resulted in increased ultrasonic velocities, elastic moduli (CL, μ, K and Y), hardness (H), Debye temperature (θD) for SrO content up to 30% but decreased for higher SrO addition. The fraction of the four coordinated boron atoms (N4) values, calculated from FTIR spectra increased for x ≤ 30 mol% followed by decrease at x > 30 mol%. Quantitative analysis of ultrasonic data using the bulk compression and ring deformation models showed reduction in the ratio of calculated bulk modulus to the experimental bulk modulus, Kbc/Ke for x ≤ 30 mol% indicating decreased ring deformation in borate anomaly region.

Original languageEnglish
Pages (from-to)55-63
Number of pages9
JournalJournal of Non-Crystalline Solids
Volume444
DOIs
Publication statusPublished - 15 Jul 2016

Fingerprint

borates
bulk modulus
Borates
ultrasonics
Elastic moduli
anomalies
Glass
glass
rings
Fourier transforms
quantitative analysis
Infrared radiation
Ultrasonic velocity
Debye temperature
modulus of elasticity
echoes
boron
Boron
infrared spectra
hardness

Keywords

  • Borate anomaly
  • Bulk compression model
  • Elastic properties

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Ceramics and Composites
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry

Cite this

Anomalous elastic behaviour of xSrO-10PbO-(90-x)B2O3 glass system. / Sabri, Nurul Syahidah; Yahya, A. K.; Abd. Shukor, Roslan; Talari, Mahesh Kumar.

In: Journal of Non-Crystalline Solids, Vol. 444, 15.07.2016, p. 55-63.

Research output: Contribution to journalArticle

Sabri, Nurul Syahidah ; Yahya, A. K. ; Abd. Shukor, Roslan ; Talari, Mahesh Kumar. / Anomalous elastic behaviour of xSrO-10PbO-(90-x)B2O3 glass system. In: Journal of Non-Crystalline Solids. 2016 ; Vol. 444. pp. 55-63.
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