مروری کلی بر مواد پلیمری به عنوان حفاظ تداخل الکترومغناطیسی

نوع مقاله : تالیفی

نویسندگان

1 گروه مهندسی پلیمر، دانشگاه صنعتی قم

2 گروه مهندسی پلیمر، دانشکده فنی و مهندسی، دانشگاه صنعتی قم

چکیده

امروزه مردم در محیط زندگی و کار خود در معرض تابش قرار می گیرند. تجهیزات و وسایل الکترونیکی با توسعه علم و فناوری الکترونیک به طور گسترده در زمینه های مختلف استفاده می شوند. به کارگیری بیش از حد وسایل الکترونیکی به مسائل جانبی ناخواسته و نامطلوب منجر می شود که نوعی آلودگی جدید به نام تداخل الکترومغناطیسی را ایجاد می کند. اگرچه فلزات سنتی و آلیاژهای آ ن ها می توانند به عنوان مواد حفاظ تداخل الکترومغناطیسی به خوبی عمل کنند، اما وزن سنگین، هزینه بری زیاد و همچنین مقاومت ضعیف دربرابر خوردگی کاربرد آ ن ها را در این زمینه محدود می کند. بنابراین، به تدریج توجه بیشتری به مواد حفاظ تداخل الکترومغناطیسی سبک وزن معطوف شده تا با روند تجهیزات الکترونیکی سبک وزن و بسیار یکپارچه مواجه شوند. مواد پلیمری و کامپوزیت های آ ن ها
به دلیل ویژگی هایی مانند وزن سبک، مقاومت دربرابر خوردگی خوب، خواص برتر الکتریکی، گرمایی، مکانیکی و مغناطیسی به عنوان مواد حفاظ تداخل الکترومغناطیسی استفاده شده اند. این مواد سبک وزن با عملکرد حفاظتی خوب، تداخل الکترومغناطیسی کاربردهای بالقوه بیشتری در ارتباطات، الکترونیک، هوافضا، نظامی و غیره پیدا خواهند کرد. در این مقاله پدیده تداخل الکترومغناطیسی و انواع حفاظ های کامپوزیتی پلیمری و میزان اثربخشی این حفاظ ها مرور شده اند.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

An Overview of Polymeric Materials as Electromagnetic Interference Shielding

نویسندگان [English]

  • Mohammad Amin Zare 1
  • Mohsen Mohammadi 2
1 Department of Polymer Engineering, Qom University of Technology, Qom, Iran
2 Department of Polymer Engineering, Faculty of Engineering, Qom University of Technology, P.O. Box: 37195-1519, Qom, Iran
چکیده [English]

Today, people are exposed to radiation in their living and working environment. Electronic equipment and devices are widely used in various fields with the development of electronic science and technology. An excessive use of electronic devices leads to unwanted and undesirable byproduct, which is a novel kind of pollution called electromagnetic interference (EMI). Although traditional metals and their alloys can serve as good electromagnetic shielding materials, their heavy weight, high cost as well as poor corrosion resistance limit their application in this field. Therefore, lightweight
electromagnetic shielding materials are gradually attracting more and more attention to meet the trend of lightweight and highly integrated electronic equipment. Polymer material and their composites have been used as EMI shielding materials due to their characteristics like lightweight, good corrosion resistance, and superior electrical, thermal, mechanical and magnetic properties. These lightweight materials with good EMI shielding performance will find more potential applications in communications, electronics, aerospace, military, etc. In this article, the phenomenon of electromagnetic interference and the types of polymer composite shieldings and their shieldings effectiveness have been reviewed.

کلیدواژه‌ها [English]

  • Electromagnetic wave
  • Electromagnetic Interference Shielding
  • Lightweight Materials
  • Shielding Effectiveness
  • Polymer Matrix Composites

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