کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1576425 1514780 2013 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Microstructure and mechanical properties of TiAl alloys produced by rapid heating and open die forging of blended elemental powder compacts
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد دانش مواد (عمومی)
پیش نمایش صفحه اول مقاله
Microstructure and mechanical properties of TiAl alloys produced by rapid heating and open die forging of blended elemental powder compacts
چکیده انگلیسی

Ti–43Al–5V–4Nb (at%) intermetallic compounds were fabricated by a rapid heating and open die forging method using blended elemental powders. The process route consisted of powder blending, compacting, rapid heating, open die forging and heat treatment. During heating there is porosity in the blended and warm compacted powder billets which still persists after the first forging. In order to remove this difficulty a two stage forging process was used. A fully lamellar structure was seen in the TiAl alloy after heat treatment. Overall, the TiAl alloy showed moderately good mechanical properties at room temperature and good mechanical properties, with reasonable strength and good ductility at high temperatures.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Science and Engineering: A - Volume 563, 15 February 2013, Pages 46–52
نویسندگان
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