期刊
COMPOSITE STRUCTURES
卷 89, 期 1, 页码 102-109出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2008.07.006
关键词
Carbon/epoxy; Composite spherical bearing (CSB); Friction; Elevation driving mechanism (EDM)
资金
- Ministry of Science and Technology
- NRL
- BK21
The carbon/phenolic fabric composite spherical bearing has been known as a promising component for the elevation driving mechanism Of a gun since it has high compressive strength and Self-lubricating characteristics. However, the interior fiber wrinkles produced during the in-plane compression molding process decrease the through-thickness compressive strength of the composite race. In this work, a uni-directional carbon/epoxy composite rather than carbon/phenolic fabric composites was used to increase the compressive strength by eliminating the interior fiber wrinkles. In order to provide the self-lubricating layer on the uni-directional composite, self-lubricating films were embedded into the composite surface. Then, the Structural rehability and tribological characteristic of the Uni-directional composite race were investigated. Finally, the bearing clearance and frictional torque of the composite spherical bearing (CSB), which affect the targeting accuracy and driving force, were measured by a pneumatic bearing tester. (C) 2008 Elsevier Ltd. All rights reserved.
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