METHOD FOR PRODUCING GRAPHITE MATERIAL HAVING HIGH THERMAL EXPANSION COEFFICIENT AND THE GRAPHITE MATERIAL

Title:

METHOD FOR PRODUCING GRAPHITE MATERIAL HAVING HIGH THERMAL EXPANSION COEFFICIENT AND THE GRAPHITE MATERIAL

Document Type and Number:

Japanese Patent JP2021130580

Kind Code:

A

Abstract:

To provide a method for producing a graphite material having a high thermal expansion coefficient from a conventional artificial graphite without use of natural graphite as raw material.SOLUTION: A method for producing a graphite material having a high thermal expansion coefficient comprises applying a compressive load to a carbon material fired at 800°C to 1200°C in a temperature rising process from 2400°C to 3000°C for graphitization so as to cause plastic deformation.SELECTED DRAWING: Figure 2

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Inventors:

IWASHITA TETSUO
USUHA HIDEHIKO
SUZUKI TOSHIYA
IKEGAME KUNIO

Application Number:

JP2020026361A

Publication Date:

September 09, 2021

Filing Date:

February 19, 2020

Export Citation:

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Assignee:

AIST
NIPPON TECHNO CARBON CO LTD

International Classes:

C04B35/52; C01B32/205; C04B35/645

Attorney, Agent or Firm:

Kazuya Sasaki
Eiichi Sano
Katsumi Hara
Shuji Hisamoto
Katsuo Naruse

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