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ПОВЕДЕНИЕ ЛАМПРОФИЛЛИТА И БАРИТОЛАМПРОФИЛЛИТА ПРИ ВЫСОКИХ ТЕМПЕРАТУРАХ. / Zhitova, E. S.; Panikorovskii, T. L.; Yakovenchuk, V. N.; Krzhizhanovskaya, M. G.

In: Zapiski Rossiiskogo Mineralogicheskogo Obshchestva, Vol. 147, No. 3, 01.01.2018, p. 82-94.

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@article{54e1d6ff91564443a85b0ace1b07b0db,
title = "ПОВЕДЕНИЕ ЛАМПРОФИЛЛИТА И БАРИТОЛАМПРОФИЛЛИТА ПРИ ВЫСОКИХ ТЕМПЕРАТУРАХ",
abstract = " According to the high-temperature X-ray powder diffraction data, lamprophyllite and barytolamprophylhte are stable up to 925 and 850 °C, respectively. The temperature of decomposition was defined for barytolamprophyllite by DSC and TGA methods as 897 °C. Analysis of the X-ray diffraction pattern during the heating has not detected any significant changes, implying the absence of phase transitions. Behavior of lamprophyllite and barytolamprophylhte at high-temperature is strongly anisotropic, thermal expansion coefficients (%10 6 ) along crystallographic axes at T = 200 °C are as following: a a = 12.6(6), a b = 7.7(1), a c = 4.4(2) °C-1 for lamprophyllite, and a a = 11.8(5), a b = 5.7(1), a c = 3.4(3) °C-1 for barytolamprophylhte. At T = 600 °C these values are a a = 15.2(5), a b = 7.7(1), a c = 2.2(2) °C-1 for lamprophyllite, and a a = 12.3(7), {\`a} b = 5.7(1), a c = -3.8(4) °C-1 for barytolamprophylhte. The contraction along the axis {\~n} was observed for barytolamprophyllite, but did not for lamprophyllite; it is caused by thermal oxidation of iron. ",
keywords = "Barytolamprophylhte, High-temperature X-ray diffraction, Lamprophyllite",
author = "Zhitova, {E. S.} and Panikorovskii, {T. L.} and Yakovenchuk, {V. N.} and Krzhizhanovskaya, {M. G.}",
year = "2018",
month = jan,
day = "1",
doi = "10.30695/zrmo/2018.1473.06",
language = "русский",
volume = "147",
pages = "82--94",
journal = "ЗАПИСКИ РОССИЙСКОГО МИНЕРАЛОГИЧЕСКОГО ОБЩЕСТВА",
issn = "0869-6055",
publisher = "Издательство {"}Наука{"}",
number = "3",

}

RIS

TY - JOUR

T1 - ПОВЕДЕНИЕ ЛАМПРОФИЛЛИТА И БАРИТОЛАМПРОФИЛЛИТА ПРИ ВЫСОКИХ ТЕМПЕРАТУРАХ

AU - Zhitova, E. S.

AU - Panikorovskii, T. L.

AU - Yakovenchuk, V. N.

AU - Krzhizhanovskaya, M. G.

PY - 2018/1/1

Y1 - 2018/1/1

N2 - According to the high-temperature X-ray powder diffraction data, lamprophyllite and barytolamprophylhte are stable up to 925 and 850 °C, respectively. The temperature of decomposition was defined for barytolamprophyllite by DSC and TGA methods as 897 °C. Analysis of the X-ray diffraction pattern during the heating has not detected any significant changes, implying the absence of phase transitions. Behavior of lamprophyllite and barytolamprophylhte at high-temperature is strongly anisotropic, thermal expansion coefficients (%10 6 ) along crystallographic axes at T = 200 °C are as following: a a = 12.6(6), a b = 7.7(1), a c = 4.4(2) °C-1 for lamprophyllite, and a a = 11.8(5), a b = 5.7(1), a c = 3.4(3) °C-1 for barytolamprophylhte. At T = 600 °C these values are a a = 15.2(5), a b = 7.7(1), a c = 2.2(2) °C-1 for lamprophyllite, and a a = 12.3(7), à b = 5.7(1), a c = -3.8(4) °C-1 for barytolamprophylhte. The contraction along the axis ñ was observed for barytolamprophyllite, but did not for lamprophyllite; it is caused by thermal oxidation of iron.

AB - According to the high-temperature X-ray powder diffraction data, lamprophyllite and barytolamprophylhte are stable up to 925 and 850 °C, respectively. The temperature of decomposition was defined for barytolamprophyllite by DSC and TGA methods as 897 °C. Analysis of the X-ray diffraction pattern during the heating has not detected any significant changes, implying the absence of phase transitions. Behavior of lamprophyllite and barytolamprophylhte at high-temperature is strongly anisotropic, thermal expansion coefficients (%10 6 ) along crystallographic axes at T = 200 °C are as following: a a = 12.6(6), a b = 7.7(1), a c = 4.4(2) °C-1 for lamprophyllite, and a a = 11.8(5), a b = 5.7(1), a c = 3.4(3) °C-1 for barytolamprophylhte. At T = 600 °C these values are a a = 15.2(5), a b = 7.7(1), a c = 2.2(2) °C-1 for lamprophyllite, and a a = 12.3(7), à b = 5.7(1), a c = -3.8(4) °C-1 for barytolamprophylhte. The contraction along the axis ñ was observed for barytolamprophyllite, but did not for lamprophyllite; it is caused by thermal oxidation of iron.

KW - Barytolamprophylhte

KW - High-temperature X-ray diffraction

KW - Lamprophyllite

UR - http://www.scopus.com/inward/record.url?scp=85063748300&partnerID=8YFLogxK

U2 - 10.30695/zrmo/2018.1473.06

DO - 10.30695/zrmo/2018.1473.06

M3 - статья

AN - SCOPUS:85063748300

VL - 147

SP - 82

EP - 94

JO - ЗАПИСКИ РОССИЙСКОГО МИНЕРАЛОГИЧЕСКОГО ОБЩЕСТВА

JF - ЗАПИСКИ РОССИЙСКОГО МИНЕРАЛОГИЧЕСКОГО ОБЩЕСТВА

SN - 0869-6055

IS - 3

ER -

ID: 41810139