آلیاژ سازی مکانیکی و ساخت قطعات آلیاژی Zn-4Mn از طریق SPS به‌منظور استفاده در کاشتنی‌های کوتاه مدت

فرآیندهای نوین در مهندسی مواد

مقاله 2، دوره 16، شماره 4 - شماره پیاپی 63، دی 1401، صفحه 17-25   

نوع مقاله: علمی-پژوهشی

نویسندگان

ناهید حسن زاده نعمتی^{* 1}؛ محمد بابایی²؛ عرفان چیذری²؛ داود ملک پژو¹

¹گروه مهندسی پزشکی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران

²دانشگاه آزاد اسلامی

چکیده

آلیاژهای بر پایه روی (Zn) با کنترل فرآیند تولید قابلیت ظهور طیف گسترده ای از خواص مورد نیاز برای کاربرد در کاشتنی‌های کوتاه مدت درون تنی را دارند. برای این منظور در پژوهش حاضر پودر آلیاژی با ترکیب Wt Mn%4-Zn از طریق آلیاژسازی مکانیکی در سه زمان 10، 20 و 30 ساعت تهیه و قطعات آلیاژی از طریق فرآیند تف جوشی جرقه پلاسما (SPS) ساخته شدند. عملیات حرارتی قطعات تولیدی در سه دمای150، 200و250 درجه سانتی‌گراد انجام گردید. نمونه‌ها با استفاده از آزمون‌های پراش اشعه ایکس (XRD) ، خوردگی پلاریزاسیون دینامیکی و ارزیابی زنده مانی سلولی MTT مشخصه یابی شدند. همچنین مورفولوژی سطح نمونه ها با استفاده از میکروسکوپ الکترونی روبشی (SEM) مورد بررسی قرار گرفت. نتایج نشان داد افزایش زمان آسیاب به 30 ساعت ترکیبی همگن تر ایجاد نموده، همینطور نمونه عملیات حرارتی شده در دمای °C250 دارای بالاترین میزان مقاومت به خوردگی است. زنده مانی سلولی نمونه عملیات حرارتی شده در این دما نسبت به نمونه‌های دیگر زنده مانی بیشتری نشان داد. انتظار می رود نتایج این مطالعه در کاربردهای کوتاه مدت درون تنی مورد استفاده قرار گیرد.

کلیدواژه‌ها

آلیاژ روی-منگنز؛ تف جوشی جرقه پلاسما؛ آلیاژ سازی مکانیکی؛ زیست تخریب پذیر؛ عملیات حرارتی

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