Heat Resistant Composite Materials

Carbon/Carbon Composite, CMC Composite
・C/C（Carbon/Carbon）
・CMC（Ceramic Matrix Composite）
・Phenolic CFRP , SMC：CF＋Carbon：CF＋SiC：CF＋phenolic resin【Characters】

・Light weight：1/3-1/5 density of steel (7.9g/cm3）
・High stiffness：Higher than Steel・Thin design possible by High strength・High heat resistance：（C/C, C/SiC：800℃≦、phenolic CFRP：300℃≦）。
・High flame retardance：phenolic CFRP（shot CF）EN45545-2 R1/R6 HL3 passed【Product example】

C/C brake（short CF）

C/C, C/SiC hand（long CF ／development）

C/SiC brake（development）

Phenolic CFRP hand & Molding（long CF・short CF／development）【Typical properties】
Materials

g/cm

Bending
strength（⊥）
MPa

Bendingmodulus（⊥）
GPa

Isotropic

1.9

18070110170

Unidirectional

1.7440

290

300

300

Direction

Bulk
density
3C/C

Tensile strength（⊥）
MPa

Compressive
strength（⊥）
MPa

Isotropic

2.4

150

100

100500Unidirectional

2.1410

310

300

450

Phenolic

Isotropic

1.6

100

2050

170

CFRP

Unidirectional

1.7630

390

1,710

300

C/SiC

The listed values are typical and can vary depending on the laminated structure and the amounts of substances contained.

【Comparison with other materials】

Mitsubishi Chemical Corporation
Composite Products Department
1-1, Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-8251, Japan⚫
⚫
⚫
⚫

The information and data contained in this brochure are as of April 2023.
The content of this brochure may be changed without prior notice.
Due to printing characteristics, the color tones may differ from the actual ones.
The transcription of any dada or information contained in this brochure without prior written consent is strictly prohibited.

https://www.m-chemical.co.jp/carbon-fiber/en/
Printed in Japan February 1, 2024 (MCC）

1500℃ Heat Resistant CMC(Pitch-based C/SiC Composite)
Application: Heat-resistant material for spacecraft heat shield tiles
Before vs after at 1,500℃×1 hour（in Air）••

No degradation of strength and modulus before and after heat treatment in air at 1,500°C
for 1 hour,375MPa after exposure to 1500℃ for 1 hour
JAXA innovative future space transportation system target: 1600℃-800 seconds
resistance• The cross-sectional observation photographs (SEM images) before and after heat treatment are shown
below (left: before, right: after). No major changes in appearance (deterioration) were observed.

• Plan to perform ～ 2000℃ heating test in future

Mitsubishi Chemical Corporation
Composite Products Department
1-1, Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-8251, Japan⚫
⚫
⚫
⚫

The information and data contained in this brochure are as of April 2023.
The content of this brochure may be changed without prior notice.
Due to printing characteristics, the color tones may differ from the actual ones.
The transcription of any dada or information contained in this brochure without prior written consent is strictly prohibited.

https://www.m-chemical.co.jp/carbon-fiber/en/
Printed in Japan February 1, 2024 (MCC）2200℃ Heat Resistant Pitch-based C/C Composite
Application: Heat-resistant material for rocket nozzles and satellite
attitude control thruster nozzles
JAXA arc heating wind tunnel test facility

Surface after heating test

Thickness reduction rate: 10%

Cross section after heating test
heating surface

Heating condition

Heating rate: 4.83 MW/m2
Dynamic pressure: 13~14 kPa

Bottom surface
Surface during heating at 2200℃

底面Courtesy of Tokyo University of Science••Joint development of CMC heat-resistant materials is underway with Tokyo University of Science.
As a result of arc heating wind tunnel testing of the base material, the amount of wear was approximately
10% (0.8mm) for pitch-based C/C composite with a thickness of 8mm, .Plans for impregnating with alloys
such as Zr-Ti to improve the heat resistance performance.

Mitsubishi Chemical Corporation
Composite Products Department
1-1, Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-8251, Japan⚫
⚫
⚫
⚫

The information and data contained in this brochure are as of April 2023.
The content of this brochure may be changed without prior notice.
Due to printing characteristics, the color tones may differ from the actual ones.
The transcription of any dada or information contained in this brochure without prior written consent is strictly prohibited.

https://www.m-chemical.co.jp/carbon-fiber/en/
Printed in Japan February 1, 2024 (MCC）