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Mechanical properties and ablation properties of C/SiC-ZrC composites for hypersonic vehicle(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2017年03期
Page:
59-66
Research Field:
工艺与材料
Publishing date:

Info

Title:
Mechanical properties and ablation properties of C/SiC-ZrC composites for hypersonic vehicle
Author(s):
YANG Xiaohui;  WANG Fuyuan;  WANG Yi;  Cao Pei;  BAI Longteng;  ZHAO Qiang
Xi’an Aerospace Propulsion Institute, Xi’an 710100, China
Keywords:
C/SiC-ZrC composite;  organic zirconium precursor;  mechanic property;  ablative property
PACS:
V250.3-34
DOI:
-
Abstract:
Taking PZC as the raw material of organic zirconium precursor, C/SiC-ZrC composites with different ZrC content were prepared by three PIP processes. The composition, microstructure, mechanical properties, ablative properties and mechanisms of the C/SiC-ZrC composites were tested and analyzed. The results showed that the ablative properties of C/SiC-ZrC composites prepared with the organic zirconium precursor have been improved greatly, but its mechanical performance has a certain degree of decline, and with the increase of ZrC content, the mechanical properties of C/SiC composites decreased gradually, but its mass ablation rate and linear ablation rate appear as decreasing trend at first and then increasing trend.

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