Investigation of indentation fracture toughness (KIC) and weibull parameters of 0.25Li2O.2SiO2-0.75BaO.2SiO2 glass-ceramic

B. Ertuǧ; B. Nilgün Çetiner; H. Gökçe; Z. Engin Erkmen; M. Lütfi Öveçoǧlu

doi:10.1515/amm-2017-0294

Investigation of indentation fracture toughness (K_IC) and weibull parameters of 0.25Li₂O.2SiO₂-0.75BaO.2SiO₂ glass-ceramic

B. Ertuǧ^*
, B. Nilgün Çetiner
, H. Gökçe
, Z. Engin Erkmen
, M. Lütfi Öveçoǧlu

^*Bu çalışma için yazışmadan sorumlu yazar

Metalurji ve Malzeme Müh.Böl.

Nisantasi Universitesi
Marmara University
Istanbul Technical University

Araştırma çıktısı: Dergi yayını › Makale › Hakem

1 Atıf (Scopus)

Özet

In the present study, mechanical properties of 0.25Li₂O.2SiO₂-0.75BaO.2SiO₂ glass-ceramic were investigated. The trans-formations' temperatures were determined by DTA instrument. The optimum nucleation temperature was found to be 540°C. This suggested the crystallization temperatures as 675, 720 and 800°C. After carrying out crystallization heat treatments, Vickers indentation test was applied. In order to determine the indentation fracture toughness (K_IC), crack half-length 'c' of the samples was measured. To calculate K_IC, Young's modulus, E and the measured hardness, H_v were used. Using K_IC and probability of fracture 'P', ln ln[1/(1 - P)] - ln K_IC graph was drawn based on the Weibull distribution equation. Consequently, Weibull modulus, 'm' and scale parameter, 'K₀' were determined and compared with each other.

Orijinal dil	İngilizce
Sayfa (başlangıç-bitiş)	1963-1968
Sayfa sayısı	6
Dergi	Archives of Metallurgy and Materials
Hacim	62
Basın numarası	4
DOI'lar	https://doi.org/10.1515/amm-2017-0294
Yayın durumu	Yayınlandı - 1 Ara 2017

Bibliyografik not

Publisher Copyright:
© 2017 B. Ertuǧ et al., published by De Gruyter Open 2017.

Belgeye Erişim

10.1515/amm-2017-0294

Diğer Dosyalar ve Linkler

Link to publication in Scopus

Alıntı Yap

@article{6f037655d3f442ccb4d68c86ff274b73,

title = "Investigation of indentation fracture toughness (KIC) and weibull parameters of 0.25Li2O.2SiO2-0.75BaO.2SiO2 glass-ceramic",

abstract = "In the present study, mechanical properties of 0.25Li2O.2SiO2-0.75BaO.2SiO2 glass-ceramic were investigated. The trans-formations' temperatures were determined by DTA instrument. The optimum nucleation temperature was found to be 540°C. This suggested the crystallization temperatures as 675, 720 and 800°C. After carrying out crystallization heat treatments, Vickers indentation test was applied. In order to determine the indentation fracture toughness (KIC), crack half-length 'c' of the samples was measured. To calculate KIC, Young's modulus, E and the measured hardness, Hv were used. Using KIC and probability of fracture 'P', ln ln[1/(1 - P)] - ln KIC graph was drawn based on the Weibull distribution equation. Consequently, Weibull modulus, 'm' and scale parameter, 'K0' were determined and compared with each other.",

keywords = "Hardness, Indentation Fracture Toughness, Lithium barium silicate glass-ceramic, Statistical Analysis, Weibull modulus",

author = "B. Ertuǧ and {\c C}etiner, \{B. Nilg{\"u}n\} and H. G{\"o}k{\c c}e and Erkmen, \{Z. Engin\} and {\"O}ve{\c c}oǧlu, \{M. L{\"u}tfi\}",

note = "Publisher Copyright: {\textcopyright} 2017 B. Ertuǧ et al., published by De Gruyter Open 2017.",

year = "2017",

month = dec,

day = "1",

doi = "10.1515/amm-2017-0294",

language = "English",

volume = "62",

pages = "1963--1968",

journal = "Archives of Metallurgy and Materials",

issn = "1733-3490",

number = "4",

}

TY - JOUR

T1 - Investigation of indentation fracture toughness (KIC) and weibull parameters of 0.25Li2O.2SiO2-0.75BaO.2SiO2 glass-ceramic

AU - Ertuǧ, B.

AU - Çetiner, B. Nilgün

AU - Gökçe, H.

AU - Erkmen, Z. Engin

AU - Öveçoǧlu, M. Lütfi

PY - 2017/12/1

Y1 - 2017/12/1

N2 - In the present study, mechanical properties of 0.25Li2O.2SiO2-0.75BaO.2SiO2 glass-ceramic were investigated. The trans-formations' temperatures were determined by DTA instrument. The optimum nucleation temperature was found to be 540°C. This suggested the crystallization temperatures as 675, 720 and 800°C. After carrying out crystallization heat treatments, Vickers indentation test was applied. In order to determine the indentation fracture toughness (KIC), crack half-length 'c' of the samples was measured. To calculate KIC, Young's modulus, E and the measured hardness, Hv were used. Using KIC and probability of fracture 'P', ln ln[1/(1 - P)] - ln KIC graph was drawn based on the Weibull distribution equation. Consequently, Weibull modulus, 'm' and scale parameter, 'K0' were determined and compared with each other.

AB - In the present study, mechanical properties of 0.25Li2O.2SiO2-0.75BaO.2SiO2 glass-ceramic were investigated. The trans-formations' temperatures were determined by DTA instrument. The optimum nucleation temperature was found to be 540°C. This suggested the crystallization temperatures as 675, 720 and 800°C. After carrying out crystallization heat treatments, Vickers indentation test was applied. In order to determine the indentation fracture toughness (KIC), crack half-length 'c' of the samples was measured. To calculate KIC, Young's modulus, E and the measured hardness, Hv were used. Using KIC and probability of fracture 'P', ln ln[1/(1 - P)] - ln KIC graph was drawn based on the Weibull distribution equation. Consequently, Weibull modulus, 'm' and scale parameter, 'K0' were determined and compared with each other.

KW - Hardness

KW - Indentation Fracture Toughness

KW - Lithium barium silicate glass-ceramic

KW - Statistical Analysis

KW - Weibull modulus

UR - https://www.scopus.com/pages/publications/85040338855

U2 - 10.1515/amm-2017-0294

DO - 10.1515/amm-2017-0294

M3 - Article

AN - SCOPUS:85040338855

SN - 1733-3490

VL - 62

SP - 1963

EP - 1968

JO - Archives of Metallurgy and Materials

JF - Archives of Metallurgy and Materials

IS - 4

ER -