共 2 条
The effect of characteristics of compressive deformation of ceramic granules on CIP compaction behavior and sinterability .1. The effect of characteristics of ceramic granules on CIP compaction behavior
被引:9
作者:
Miyata, N
[1
]
Ishida, Y
[1
]
Shiogai, T
[1
]
Matsuo, Y
[1
]
机构:
[1] TOKYO INST TECHNOL, MEGURO KU, TOKYO 152, JAPAN
关键词:
ceramic granules;
compressive test;
compaction behavior;
tensile strength;
green density;
deformation;
compaction process;
D O I:
10.2109/jcersj.103.1275
中图分类号:
TQ174 [陶瓷工业];
TB3 [工程材料学];
学科分类号:
0805 ;
080502 ;
摘要:
Load-displacement curves and fracture behavior of individual ceramic granules were investigated by compression test, Three types of load-displacement curves were recognized for the granules: Granules of Al2O3 (A) showed elastic deformation and were ultimately broken, while no breaking of granules was observed for SiC and Si3N4 which showed elasto-plastic and plastic deformation, respectively, Surface and inner structures of green bodies prepared by cold isostatic pressing(CIP) were observed to relate data from mechanical characterization of individual granules and the macroscopic compaction behavior, No deformation of granules was observed in compacting some Al2O3 with a CIP pressure of 340 MPa, while SiC and Si3N4 granules were deformed easily under a CIP pressure of 100 MPa and 25 MPa, respectively, It is discussed that load-displacement curves of individual granules in compression test can be closely related to the macroscopic compaction behavior of ceramics.
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页码:1275 / 1281
页数:7
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