New solid solutions Ca3B2 + xSi1–xO8–x/2

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New solid solutions Ca₃B_{2 + x}Si_1–xO_8–x/2. / Yukhno, V. A.; Krzhizhanovskaya, M. G.; Bubnova, R. S.

In: Glass Physics and Chemistry, Vol. 43, No. 5, 01.09.2017, p. 484-487.

Research output: Contribution to journal › Article › peer-review

Author

Yukhno, V. A. ; Krzhizhanovskaya, M. G. ; Bubnova, R. S. / New solid solutions Ca₃B_{2 + x}Si_1–xO_8–x/2. In: Glass Physics and Chemistry. 2017 ; Vol. 43, No. 5. pp. 484-487.

BibTeX

@article{6fca4633087f426c94c18a9a056a13d2,

title = "New solid solutions Ca3B2 + xSi1–xO8–x/2",

abstract = "New solid solutions Ca3B2 + xSi1–xO8–x/2 based on monoclinic borosilicate β-Ca3B2SiO8 are prepared using crystallization from a melt. The homogeneity range of solid solutions (0 < х ≤ 0.86) is determined and the thermal behavior of solid solution Ca3B2.4Si0.6O7.8 is studied using high-temperature X-ray powder diffraction: a reversible β ↔ α polymorphic transition is discovered in the solid solution (х = 0.4) at 550°C, decomposition begins in the solid state above 940°C with the formation of CaSiO3. The thermal expansion of both modifications is anisotropic: 20–540°C (α11 = 17, α22 = 16, α33 = 0, αV = 32 × 10−6°C−1) and 560–900°C (α11 = 15, α22 = 24, α33 = 3, and αV = 42 × 10−6°C−1).",

keywords = "borosilicates, solid solutions, thermal expansion",

author = "Yukhno, {V. A.} and Krzhizhanovskaya, {M. G.} and Bubnova, {R. S.}",

year = "2017",

month = sep,

day = "1",

doi = "10.1134/S1087659617050194",

language = "English",

volume = "43",

pages = "484--487",

journal = "Glass Physics and Chemistry",

issn = "1087-6596",

publisher = "МАИК {"}Наука/Интерпериодика{"}",

number = "5",

}

RIS

TY - JOUR

T1 - New solid solutions Ca3B2 + xSi1–xO8–x/2

AU - Yukhno, V. A.

AU - Krzhizhanovskaya, M. G.

AU - Bubnova, R. S.

PY - 2017/9/1

Y1 - 2017/9/1

N2 - New solid solutions Ca3B2 + xSi1–xO8–x/2 based on monoclinic borosilicate β-Ca3B2SiO8 are prepared using crystallization from a melt. The homogeneity range of solid solutions (0 < х ≤ 0.86) is determined and the thermal behavior of solid solution Ca3B2.4Si0.6O7.8 is studied using high-temperature X-ray powder diffraction: a reversible β ↔ α polymorphic transition is discovered in the solid solution (х = 0.4) at 550°C, decomposition begins in the solid state above 940°C with the formation of CaSiO3. The thermal expansion of both modifications is anisotropic: 20–540°C (α11 = 17, α22 = 16, α33 = 0, αV = 32 × 10−6°C−1) and 560–900°C (α11 = 15, α22 = 24, α33 = 3, and αV = 42 × 10−6°C−1).

AB - New solid solutions Ca3B2 + xSi1–xO8–x/2 based on monoclinic borosilicate β-Ca3B2SiO8 are prepared using crystallization from a melt. The homogeneity range of solid solutions (0 < х ≤ 0.86) is determined and the thermal behavior of solid solution Ca3B2.4Si0.6O7.8 is studied using high-temperature X-ray powder diffraction: a reversible β ↔ α polymorphic transition is discovered in the solid solution (х = 0.4) at 550°C, decomposition begins in the solid state above 940°C with the formation of CaSiO3. The thermal expansion of both modifications is anisotropic: 20–540°C (α11 = 17, α22 = 16, α33 = 0, αV = 32 × 10−6°C−1) and 560–900°C (α11 = 15, α22 = 24, α33 = 3, and αV = 42 × 10−6°C−1).

KW - borosilicates

KW - solid solutions

KW - thermal expansion

UR - http://www.scopus.com/inward/record.url?scp=85031494808&partnerID=8YFLogxK

U2 - 10.1134/S1087659617050194

DO - 10.1134/S1087659617050194

M3 - Article

AN - SCOPUS:85031494808

VL - 43

SP - 484

EP - 487

JO - Glass Physics and Chemistry

JF - Glass Physics and Chemistry

SN - 1087-6596

IS - 5

ER -

ID: 9147240