首页> 美国政府科技报告 >Evaluation of the Adhesive Bonding Processes Used in Helicopter Manufacture. Part I. Durability of Adhesive Bonds Obtained as a Result of Processes Used in the UH-1Helicopter.
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Evaluation of the Adhesive Bonding Processes Used in Helicopter Manufacture. Part I. Durability of Adhesive Bonds Obtained as a Result of Processes Used in the UH-1Helicopter.

机译:直升机制造中粘接工艺的评价。第一部分:UH-1Helopter中使用的粘合剂粘合剂的耐久性。

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The methods used to prepare adherends for components of UH-1aircraft (prior to bonding) were evaluated for their effect upon the durability of the bonded joint. The phosphate-fluoride method for titanium produces a surface which,when bonded,was 7.5to 10times more durable than joints prepared from titanium surfaces that were alkaline cleaned. Upon aging,the surface structure of the phosphate-fluoride treated specimens showed signs of conversion to the less durable structure found on the alkaline-cleaned titanium. The method used to anodize aluminum produced a surface which,when bonded,exhibited essentially the same durability as the bonds using phosphate-fluoride-etched titanium. Bonds to glass-resin-composite adherends are as durable as the composite itself and failures were found to be interlaminar. (Author)

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