Mechanical strength and local structure of 'new' Hagi porcelain investigated by 57Fe-Mössbauer spectroscopy

S. Kubuki, H. Uehara, K. Akagi, A. Mikuni, N. Isobe, Z. Homonnay, K. Sinkó, E. Kuzmann, T. Nishida

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2 Citations (Scopus)

Abstract

A relationship between the local structure and mechanical strength of 'new' Hagi porcelain 'A' and 'B' prepared by sintering two types of iron containing aluminosilicate soils under oxidizing and reducing atmospheres were investigated by means of 57Fe-Mössbauer spectroscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM), as well as three point bending test. The largest mechanical strength (σ) value of 64.33.1 MPa was estimated from the three-point bending test of reductively sintered Hagi porcelain 'A'. The Mössbauer spectrum was composed of two paramagnetic doublets due to tetrahedral FeII FeIII with the isomer shift (δ) values of 1.130.02 and 0.310.01 mm s-1. On the other hand, a paramagnetic doublet and a magnetic sextet with the δ values of 0.300.01 and 0.350.02 mm s-1 were observed from the Mössbauer spectra of other samples. It can be concluded that the mechanically strengthened Hagi porcelain was successfully fabricated by choosing soil 'A' and by sintering under a reducing atmosphere.

Original languageEnglish
Article number012067
JournalJournal of Physics: Conference Series
Volume217
Issue number1
DOIs
Publication statusPublished - 2010

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porcelain
soils
sintering
spectroscopy
atmospheres
isomers
iron
scanning electron microscopy
shift
diffraction
x rays

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Mechanical strength and local structure of 'new' Hagi porcelain investigated by 57Fe-Mössbauer spectroscopy. / Kubuki, S.; Uehara, H.; Akagi, K.; Mikuni, A.; Isobe, N.; Homonnay, Z.; Sinkó, K.; Kuzmann, E.; Nishida, T.

In: Journal of Physics: Conference Series, Vol. 217, No. 1, 012067, 2010.

Research output: Contribution to journalArticle

Kubuki, S. ; Uehara, H. ; Akagi, K. ; Mikuni, A. ; Isobe, N. ; Homonnay, Z. ; Sinkó, K. ; Kuzmann, E. ; Nishida, T. / Mechanical strength and local structure of 'new' Hagi porcelain investigated by 57Fe-Mössbauer spectroscopy. In: Journal of Physics: Conference Series. 2010 ; Vol. 217, No. 1.
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AU - Mikuni, A.

AU - Isobe, N.

AU - Homonnay, Z.

AU - Sinkó, K.

AU - Kuzmann, E.

AU - Nishida, T.

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