کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7882451 | 1509608 | 2014 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Microstructure and mechanical properties of a novel β titanium metallic composite by selective laser melting
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Microstructure and mechanical properties of a novel β titanium metallic composite by selective laser melting Microstructure and mechanical properties of a novel β titanium metallic composite by selective laser melting](/preview/png/7882451.png)
چکیده انگلیسی
Selective laser melting (SLM) is an additive manufacturing process in which functional, complex parts are produced by selectively melting consecutive layers of powder with a laser beam. This flexibility enables the exploration of a wide spectrum of possibilities in creating novel alloys or even metal-metal composites with unique microstructures. In this research, Ti6Al4V-ELI powder was mixed with 10 wt.% Mo powder. In contrast to the fully αⲠmicrostructure of Ti6Al4V after SLM, the novel microstructure consists of a β titanium matrix with randomly dispersed pure Mo particles, as observed by light optical microscopy, scanning electron microscopy and X-ray diffraction. Most importantly, the solidification mechanism changes from planar to cellular mode. Microstructures after heat treatment indicate that the β phase is metastable and locate the β transus at â¼900 °C, and tensile properties are equal to or better than conventional β titanium alloys.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Acta Materialia - Volume 68, 15 April 2014, Pages 150-158
Journal: Acta Materialia - Volume 68, 15 April 2014, Pages 150-158
نویسندگان
B. Vrancken, L. Thijs, J.-P. Kruth, J. Van Humbeeck,