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1. 航天領域緊固件的應用 - 航天器結構連接： - 高強度、輕質材料緊固件：在航天器的主體結構，如火箭箭體和衛星結構的連接中，對緊固件的強度和重量有嚴格要求。鈦合金緊固件被廣泛應用，因為鈦合金具有高比強度（強度與密度之比）。例如，Ti - 6Al - 4V鈦合···

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