فصلنامه علمی کارافن

فصلنامه علمی کارافن

بررسی تاثیر پارامترهای عملیات حرارتی بر خواص مکانیکی فولاد معماری شده بر پایه فولاد کم کربن و آلومینیوم 6061

نوع مقاله : مقاله پژوهشی (توسعه ای)

نویسندگان
1 دانش‌آموخته کارشناسی ارشد، دانشکده مهندسی مواد، واحد نجف‌آباد، دانشگاه آزاد اسلامی، نجف‌آباد، ایران.
2 استادیار، دانشکده فنی و مهندسی، گروه مهندسی مواد، دانشگاه شهرکرد، شهرکرد، ایران.
3 استادیار، گروه مهندسی متالورژی، دانشگاه فنی و حرفه‌ای، تهران، ایران.
4 استادیار، مرکز تحقیقات مواد پیشرفته، دانشکده مهندسی مواد، واحد نجف‌آباد، دانشگاه آزاد اسلامی، نجف‌آباد، ایران.
چکیده
استفاده از فولادهای سبک در صنایع حمل و نقل به خصوص خودروسازی امروزه بسیار مورد توجه قرار گرفته است و در جهت جایگزینی فولاد کم کربن مورد استفاده در صنایع حمل و نقل با مواد سبک‌تر تحقیقات بسیاری صورت گرفته است. در این راستا در پژوهش حاضر دسته جدیدی از فولادهای سبک با عنوان فولادهای معماری شده با ساختار لایه‌ای متناوب فولاد و آلومینیوم تولید شد. بدین منظور با استفاده از فرآیند اتصال نوردی سرد میان یک فولاد ساده کم کربن و آلومینیوم 6061، فولاد معماری شده مورد نظر ساخته شد و به منظور بهبود اتصال و خواص مکانیکی، محصول تولیدی مورد عملیات حرارتی آنیل در دما (400 تا 500 درجه سانتیگراد) و زمان‌های متفاوت (30 تا 120 دقیقه) قرار گرفت. در نهایت پس از بررسی شرایط فرایند آنیل در دماها و زمان‌های مختلف بهترین سیکل برای دستیابی به استحکام نهایی و انعطاف‌پذیری مطلوب تعیین گردید. بر این اساس بهترین استحکام نهایی (MPa 610) و انعطاف‌پذیری (16/1 درصد) مربوط به نمونه آنیل شده در دمای C° 400 به مدت زمان 90 دقیقه بود.
کلیدواژه‌ها
موضوعات

عنوان مقاله English

Evaluation of the Effect of Heat Treatment Parameters on Mechanical Properties of Architectured Steel Incorporated Low Carbon Steel and Aluminum 6061

نویسندگان English

Alireza Amanollahi 1
Mehdi Raeissi 2
Navid Saeidi 3
Iman Ebrahimzadeh 4
1 Master of Science, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran.
2 Assistant Professor, Department of Materials Engineering, Faculty of Engineering, Shahrekord University, Shahrekord, Iran.
3 Assistant Professor, Department of Metallurgy Engineering, Technical and Vocational University (TVU), Tehran, Iran.
4 Assistant Professor, Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran.
چکیده English

Employing lightweight steels in the transportation industry, especially the automotive industry, has received lots of attention in today’s time, and much research has been done to replace the low carbon steel used in the transportation industry with lighter materials. In this regard, in the present study, a new class of lightweight steels called architectured steels involving alternating layered structure of steel and aluminum was produced. In this process cold rolling process was employed to make a connection between a simple low carbon steel and 6061 aluminum alloy. In order to improve the inter-layer connection and properties of the product, the prepared samples were subjected to annealing treatment at different time (30-120 min) and temperatures (400-500° C). Finally, after examining the conditions of different annealing processes, the best cycle to achieve an appropriate combination of strength and ductility was determined. In the end, the best mechanical properties (610 MPa UTS and 16.1% elongation) was obtained in the specimen annealed at 400°C for 90 min.

کلیدواژه‌ها English

Architectured Steel
Lightweight Steel
Cold Roll Bonding
Heat Treatment
Mechanical Properties
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دوره 20، شماره 1 - شماره پیاپی 61
فنی و مهندسی
بهار 1402
صفحه 279-300

  • تاریخ دریافت 08 اسفند 1400
  • تاریخ بازنگری 17 فروردین 1401
  • تاریخ پذیرش 05 اردیبهشت 1401