A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
High-length-diameter-ratio rod-shaped prefabricated body for ceramic matrix composite fastener
The invention discloses a rod-shaped preform with a high length-diameter ratio for a ceramic matrix composite fastener, and relates to the technical field of ceramic matrix composite fastener preforms. The prefabricated body comprises a core body structure and a cladding structure, and the cladding structure wraps the core body structure; wherein the core body structure is a cylinder formed by arranging a plurality of fiber bundles in the same direction, and the cladding structure is a cylindrical body woven by the fiber bundles. According to the prepared rod-shaped preform structure with the high length-diameter ratio, fiber reinforcements in the thread teeth can be uniformly distributed, the cladding thread teeth can have more excellent obdurability, and the core unidirectional fiber bundles fully exert the obdurability of the fibers. The problems that in the prior art, the performance of a fastener prepared from a two-dimensional laminated prefabricated body or a three-dimensional needling prefabricated body is prone to being affected by the shearing direction, and fiber reinforcement bodies are not evenly distributed are solved.
本发明公开了一种用于陶瓷基复合材料紧固件的高长径比棒状预制体，本发明涉及陶瓷基复合材料紧固件预制体技术领域。该预制体包括芯体结构和包层结构，包层结构包裹在芯体结构外；其中，芯体结构为多根纤维束同向排布形成的圆柱体，包层结构为纤维束编织的筒状体。本发明制备的高长径比棒状预制体结构，可实现螺纹牙内纤维增强体均匀分布，有助于包层螺纹牙具有更优异强韧性，芯体单向纤维束充分发挥纤维强韧性。本发明解决了现有技术中二维叠层预制体或三维针刺预制体制备的紧固件性能易受剪切方向影响以及纤维增强体分布不均匀的问题。
High-length-diameter-ratio rod-shaped prefabricated body for ceramic matrix composite fastener
The invention discloses a rod-shaped preform with a high length-diameter ratio for a ceramic matrix composite fastener, and relates to the technical field of ceramic matrix composite fastener preforms. The prefabricated body comprises a core body structure and a cladding structure, and the cladding structure wraps the core body structure; wherein the core body structure is a cylinder formed by arranging a plurality of fiber bundles in the same direction, and the cladding structure is a cylindrical body woven by the fiber bundles. According to the prepared rod-shaped preform structure with the high length-diameter ratio, fiber reinforcements in the thread teeth can be uniformly distributed, the cladding thread teeth can have more excellent obdurability, and the core unidirectional fiber bundles fully exert the obdurability of the fibers. The problems that in the prior art, the performance of a fastener prepared from a two-dimensional laminated prefabricated body or a three-dimensional needling prefabricated body is prone to being affected by the shearing direction, and fiber reinforcement bodies are not evenly distributed are solved.
本发明公开了一种用于陶瓷基复合材料紧固件的高长径比棒状预制体，本发明涉及陶瓷基复合材料紧固件预制体技术领域。该预制体包括芯体结构和包层结构，包层结构包裹在芯体结构外；其中，芯体结构为多根纤维束同向排布形成的圆柱体，包层结构为纤维束编织的筒状体。本发明制备的高长径比棒状预制体结构，可实现螺纹牙内纤维增强体均匀分布，有助于包层螺纹牙具有更优异强韧性，芯体单向纤维束充分发挥纤维强韧性。本发明解决了现有技术中二维叠层预制体或三维针刺预制体制备的紧固件性能易受剪切方向影响以及纤维增强体分布不均匀的问题。
High-length-diameter-ratio rod-shaped prefabricated body for ceramic matrix composite fastener
一种用于陶瓷基复合材料紧固件的高长径比棒状预制体
CHENG LAIFEI (author) / ZHANG YI (author) / HUO DA (author) / CHEN XU (author) / TIAN LULU (author) / XING CHAOYANG (author) / LIAO JUNGANG (author)
2023-09-01
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Ceramic matrix composite bolt based on long-rod-shaped prefabricated body structure
| European Patent Office | 2023
| European Patent Office | 2021
Integral Ceramic Matrix Composite Fastener With Polymer Rigidization
| European Patent Office | 2019
Integral Ceramic Matrix Composite Fastener With Polymer Rigidization
| European Patent Office | 2016