ساخت و مشخصه‌یابی آلیاژهای آنتروپی بالای چندجزئی زیست‌سازگار نوین تولیدشده به روش متالورژی پودر

یوسفی, مسعود; رزاقیان آرانی, احمد

doi:10.30501/jamt.2026.563755.1350

ساخت و مشخصه‌یابی آلیاژهای آنتروپی بالای چندجزئی زیست‌سازگار نوین تولیدشده به روش متالورژی پودر

نوع مقاله : مقاله کامل پژوهشی

نویسندگان

مسعود یوسفی ¹

احمد رزاقیان آرانی ²

¹ دانشجوی پسادکتری مهندسی مواد، گروه مهندسی و علم مواد، دانشکده فنی و مهندسی، دانشگاه بین‌المللی امام خمینی )ره(، قزوین، ایران

² استاد، گروه مهندسی و علم مواد، دانشکده فنی و مهندسی، دانشگاه بین‌المللی امام خمینی (ره)، قزوین، ایران

10.30501/jamt.2026.563755.1350

چکیده

در این مطالعه، سه آلیاژ آنتروپی بالای زیست‌سازگار حاوی تیتانیم، زیرکونیم، نیوبیم و دو عنصر دیگر، با استفاده از فرایند آلیاژسازی مکانیکی و متالورژی پودر، سنتز شدند. هدف از این پژوهش، ارزیابی تأثیر جایگزینی عناصر Cr، Fe و V بر پایداری فاز، ریزساختار و خواص مکانیکی بود. نتایج XRD نشان‌دهندة ساختار اصلی BCC در هر سه آلیاژ و با کمترین فازهای فرعی HCP و بین‌فلزی در TiZrNbCrV بود. این آلیاژ با بالاترین کسر فاز BCC، کمترین تخلخل (۳/۱۱ درصد)، بیشترین سختی (۳۶۱ ویکرز)، بالاترین مقاومت فشاری (۱۰۵۵ مگاپاسکال) و مدول یانگ پایین (۲۴/۸ گیگاپاسکال)، بهترین عملکرد مکانیکی را داشت.

کلیدواژه‌ها

آلیاژهای آنتروپی بالا

متالورژی پودر

زیست‌سازگاری

موضوعات

متالورژی پودر

عنوان مقاله English

Synthesis and Characterization of Novel Biocompatible Multi-Component High-Entropy Alloys Produced by Powder Metallurgy

نویسندگان English

Masoud Yousefi ¹

Ahmad Razaghian Arani ²

¹ Postdoctoral Researcher in Materials Engineering, Department of Materials Science and Engineering, Faculty of Technical and Engineering, Imam Khomeini International University (IKIU), Qazvin, Iran.

² Professor, Department of Materials Science and Engineering, Faculty of Technical and Engineering, Imam Khomeini International University (IKIU), Qazvin, Iran.

چکیده English

In this study, three biocompatible high-entropy alloys were synthesized via mechanical alloying and powder metallurgy. The objective was to evaluate the influence of substituting Cr, Fe, and V elements on phase stability, microstructure, and mechanical properties. XRD results revealed a primary BCC structure in all three alloys, with the lowest secondary HCP and intermetallic phases in TiZrNbCrV. This alloy exhibited the highest BCC phase fraction, lowest porosity (3.11%), highest hardness (361 Vickers), highest compressive strength (1055 MPa), and low Young's modulus (24.8 GPa), demonstrating the best mechanical performance.

کلیدواژه‌ها English

High Entropy Alloys

Powder Metallurgy

Biocompatible

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