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Development of High-Strength, Aluminum-Alloy Nanocomposite Material for Advanced Aerospace Fastener Technology

机译：高强度开发高强度，铝合金纳米复合材料，适用于先进航空航天紧固件技术

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摘要

Every aircraft produced today contains hundreds of thousands of fastened joints. These joints and the fasteners that connect them are perhaps the most common source of failure in aircraft structure. Therefore, it is imperative that advancements in fastener materials and designs be given the utmost consideration and attention to achieve increased joint performance and integrity. This paper presents the results of development efforts relating to an advanced processing technique and its effect upon selected mechanical properties of certain metallic alloy materials that are deemed appropriate or important for potential fastener applications. By employing this nanocomposite material processing technique in the production of aerospace fasteners, it is anticipated that the fasteners' performance characteristics will be enhanced and that the manufacturing costs associated with them will be reduced, by elimination of certain unnecessary processing steps, e.g., thermal treatment, and/or reduction in unacceptable fastener installations, that result when using fasteners produced with current, less robust material-processing approaches.
机译：今天生产的每架飞机都包含了成千上万紧固接头。这些关节和连接它们的紧固件也许在飞机结构故障的最常见来源。因此，当务之急是在紧固件的材料和设计的进步给予最大限度的考虑和重视实现增加关节的性能和完整性。本文介绍与先进的加工工艺和在被认为适当的或重要的潜在应用紧固件某些金属合金材料的选择的机械性能的作用的发展努力的结果。通过采用在生产航空紧固件的这种纳米复合材料的加工技术，可以预期的是，紧固件的性能特征将通过消除某些不必要的处理步骤，例如，热处理可以增强和与它们相关联的制造成本将降低， ，和/或使用与当前的，较不坚固材料加工方法生产的紧固件时减少不可接受的紧固件安装，这一结果。

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