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  1. B200 工学部/工学研究科
  2. B200b 紀要
  3. Memoirs of the Faculty of Engineering, Nagoya University
  4. 35(1)

A Calorimetric study on nuclear reactor materials at high temperatures

https://doi.org/10.18999/memfenu.35.1.36
https://doi.org/10.18999/memfenu.35.1.36
c52dc515-b254-47d6-a5bb-468fc9d4de18
名前 / ファイル ライセンス アクション
35-1-02.pdf 35-1-02.pdf (6.8 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2020-11-16
タイトル
タイトル A Calorimetric study on nuclear reactor materials at high temperatures
言語 en
著者 Naito, Keiji

× Naito, Keiji

WEKO 102168

en Naito, Keiji

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Inaba, Hideaki

× Inaba, Hideaki

WEKO 102169

en Inaba, Hideaki

Search repository
Matsui, Tsuneo

× Matsui, Tsuneo

WEKO 102170

en Matsui, Tsuneo

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
抄録
内容記述 A review on the calorimetric studies of nuclear materials at high temperatures carried out recently in our laboratory is given. The apparatus used in this study are as follows ; an adiabatic scanning calorimeter, a direct heating pulse calorimeter, an apparatus for measuring thermal conductivity by means of a scanning temperature method, a twin microcalorimeter of Tian-Calvet type, a time-of-flight mass-spectrometer with a Knudsen-cell, etc. Heat capacities of U4O9-y, U3O8-z, MnxFe3-xO4, CrxFe3-xO4, VOx, NbO2 and doped NbO2 with various compositions have been measured and the mechanisms of phase transitions are discussed from the entropy changes due to the transitions as a function of composition. Thermal conductivities of U4O9-y, U3O8-z and MnxFe3-xO4 have been measured and discussed as a function of composition. Heats of formation of NbOx with various x have been measured and the stability of the compounds is discussed in comparison with VOx and Ta2O5. Vaporization of the niobium-oxygen system, Nb2O5-x, NbO2±x, NbO1±x, and Nb-O solid solution phases has been measured with emphasis on their nonstoichiometry. The congruently vaporizing phase in the niobium-oxygen system is determined to be NbO2. The enthalpy of ormationf and dissociation energy for NbO2(g) and NbO(g), enthalpy and entropy of fusion for NbO2(s) and Nb2O5(s) and the partial molar enthalpy and entropy of oxygen in solid phases are determined from the vapor pressure data. The defect structure of Nb-O solid solution and NbO2±x(s) is discussed from the partial molar enthalpy and entropy of oxygen and the phase diagram of the niobium-oxygen system at high temperatures is presented.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Faculty of Engineering, Nagoya University
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.18999/memfenu.35.1.36
ID登録タイプ JaLC
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0027-7657
書誌情報 en : Memoirs of the Faculty of Engineering, Nagoya University

巻 35, 号 1, p. 36-100, 発行日 1983-10-31
著者版フラグ
値 publisher
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