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COMPACT OF POWDER AND FILLER POWDER

DOI ATSUNORI / SHIMANO SATOSHI

Provided is a compact of a powder satisfying requirements 1 to 3. Requirement 1: |dA(T)/dT| of the powder is 10 ppm/° C. or more at least at −200 to 1,200° C., where A is (a lattice constant of a-axis)/(a lattice constant of c-axis) obtained from X-ray diffractometry. Requirement 2: the powder contains at least one metal or semimetal element, and the element is composed of only an element selected from the group consisting of Li, Na, Mg, Al, Si, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Rb, Sr, Y, Zr, Nb, Mo, Tc, Ag, Cd, In, Sn, Sb, Te, Cs, Ba, Hf, Ta, W, Re, Au, Hg, Tl, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu. Requirement 3: the linear thermal expansion coefficient at −200 to 1,200° C. of the compact is negative at least at one temperature.

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COMPACT OF POWDER AND FILLER POWDER

DOI ATSUNORI / SHIMANO SATOSHI

Provided is a compact of a powder satisfying requirements 1 to 3. Requirement 1: |dA(T)/dT| of the powder is 10 ppm/° C. or more at least at −200 to 1,200° C., where A is (a lattice constant of a-axis)/(a lattice constant of c-axis) obtained from X-ray diffractometry. Requirement 2: the powder contains at least one metal or semimetal element, and the element is composed of only an element selected from the group consisting of Li, Na, Mg, Al, Si, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Rb, Sr, Y, Zr, Nb, Mo, Tc, Ag, Cd, In, Sn, Sb, Te, Cs, Ba, Hf, Ta, W, Re, Au, Hg, Tl, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu. Requirement 3: the linear thermal expansion coefficient at −200 to 1,200° C. of the compact is negative at least at one temperature.

COMPACT OF POWDER AND FILLER POWDER

DOI ATSUNORI / SHIMANO SATOSHI

Provided is a compact of a powder satisfying requirements 1 to 3. Requirement 1: |dA(T)/dT| of the powder is 10 ppm/° C. or more at least at −200 to 1,200° C., where A is (a lattice constant of a-axis)/(a lattice constant of c-axis) obtained from X-ray diffractometry. Requirement 2: the powder contains at least one metal or semimetal element, and the element is composed of only an element selected from the group consisting of Li, Na, Mg, Al, Si, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Rb, Sr, Y, Zr, Nb, Mo, Tc, Ag, Cd, In, Sn, Sb, Te, Cs, Ba, Hf, Ta, W, Re, Au, Hg, Tl, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu. Requirement 3: the linear thermal expansion coefficient at −200 to 1,200° C. of the compact is negative at least at one temperature.

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Titel:

COMPACT OF POWDER AND FILLER POWDER

Beteiligte:

DOI ATSUNORI (Autor:in) / SHIMANO SATOSHI (Autor:in)

Erscheinungsdatum:

01.09.2022

Medientyp:

Patent

Format:

Elektronische Ressource

Sprache:

Englisch

Klassifikation:

IPC: C04B Kalk , LIME

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