ارزیابی غیرمخرب آسیب کامپوزیت ها با آزمون آکوستیک امیشن

نوع مقاله : مقاله مروری

نویسندگان

1 دانشجوی کارشناسی ارشد، دانشگاه جامع امام حسین(ع)، گروه مهندسی مکانیک، تهران

2 استادیار، دانشگاه جامع امام حسین(ع)، گروه مهندسی مکانیک، تهران

چکیده

با توجه به نیازهای در حوزه فناوری های مختف مکانیک و هوافضا، کاربردهای کامپوزیت ‏های تقویت شده و مواد جامد ناهمگن به طور گسترده ‏ای توسعه یافته ‌‌اند. در این تحقیق به ضرورت استفاده از روش‌‌ های غیر مخرب در شناسایی آسیب‌‌ های احتمالی اشاره می ‌‌شود. علاوه بر این روش آکوستیک امیشن شرح و تفاوت آن با سایر روش های ارزیابی غیر مخرب مقایسه شده است. بیان می شود که آکوستیک امیشن یک روش تشخیص دینامیک است و می ‌‌تواند به صورت آنی ناپیوستگی ‌‌ها را در یک سازه تحت کشش نشان دهد. ماهیت سیگنال‌‌ های آکوستیک امیشن به عنوان سیگنال الکتریکی ذکر شده است. در انتها بهترین روش جهت بررسی نقص ‌‌های تورقی و خرابی الیاف روش آکوستیک امیشن معرفی می‌‌ گردد. این مقاله قابلیت‏ های متداول و نوظهور ارزیابی غیر مخرب را با استفاده از آزمون‌‌ آکوستیک امیشن برای تشخیص آسیب در مواد کامپوزیت بررسی می ‌‌کند.   

کلیدواژه‌ها

موضوعات


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