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محمدرضا بهمنی خسرو فرمنش غلامحسین برهانی

چکیده

هدف پژوهش، بررسی اثر دمای اولیه شمش، سرعت اکستروژن، نسبت اکستروژن و زاویه قالب روی فرایند اکستروژن لوله فولاد زنگ¬نزن 304، به¬ویژه نیروی اکستروژن و رسیدن به پارامترهای بهینه برای انجام فرایند بود. برای شبیه‏سازی نرم¬افزار آباکوس استفاده شد. دوازده نمونه باشرایط اولیه مختلف بررسی شد. باتوجه به تقارن محوری فرایند، برای شبیه‏سازی مدل متقارن محوری دوبعدی استفاده شد. همچنین برای حل فرایند، حل جفت¬شده مکانیکی-حرارتی استفاده شد. برای رسیدن به درجه‏های آزادی موردنیاز، از المان CAX4RT استفاده شد. دمای اولیه شدیدترین اثر را روی نیروی اکستروژن دارد. نتایج شبیه¬سازی با نتایج تحلیل ریاضی انطباق خوبی را نشان داد.

جزئیات مقاله

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ارجاع به مقاله
بهمنیم., فرمنشخ., & برهانیغ. (۱۳۹۶-۱۲-۰۸). شبیه¬سازی اکستروژن لوله فولاد زنگ¬نزن آستنیتی AISI 304 و مقایسه نتایج با روابط کران بالا. مهندسی متالورژی و مواد, (29), 151-166. https://doi.org/10.22067/ma.v0i29.48714
نوع مقاله
علمی و پژوهشی