2000 Fiscal Year Final Research Report Summary

EXPERIMENTAL RESEARCH ON ELASTIC AND INELASTIC PROPERTIES OF NON-WATER ICE N_2, CH_4 AND CO_2

Research Project

Project/Area Number	11640419
Research Category	Grant-in-Aid for Scientific Research (C)
Allocation Type	Single-year Grants
Section	一般
Research Field	固体地球物理学
Research Institution	Institute of Space and Astronautical Science
Principal Investigator	KATO Manabu Institute of Space and Astronautical Science, Division of Center for Advanced Spacecraft Technoloy, Professor, 次世代探査機研究センター, 教授 (80115550)
Project Period (FY)	1999 – 2000
Keywords	NON-WATERICE / OUTER SOLARSYSTEM / VISCOSITY OF SOLID MATERIAL / DEFORMATION TEST / FLOWPROPERTIES
Research Abstract	Transparent compact aggregates of N_2, CH_4 and CO_2 were successfully prepared in zone-freezing method through liquid phase. Compression tests of constant strain rate show that N_2 and CH_4 has extremely low viscosity of 10^9 PaS, and CO_2 brittle-fractured in low temperatures.

(4 results)