کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
830898 1470361 2012 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effects of heat treatment parameters on the microstructure and mechanical properties of in situ TiBw/Ti6Al4V composite with a network architecture
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی (عمومی)
پیش نمایش صفحه اول مقاله
Effects of heat treatment parameters on the microstructure and mechanical properties of in situ TiBw/Ti6Al4V composite with a network architecture
چکیده انگلیسی

In situ 5 vol.% TiB whiskers reinforced Ti6Al4V (TiBw/Ti64) composites with a network architecture were heat treated with different parameters in order to further improve their mechanical properties. The microstructure results showed that the fraction of the transformed β phase in the matrix increases with increasing quenching temperatures, which leads to a significant improvement in strength at room and high temperatures. Both the size and fraction of fine α + β phases transformed from martensite phase increase with increasing aging temperatures, which decreases the strength of the composite. When the testing temperature is lower than 600 °C, the strength of the 5 vol.%TiBw/Ti64 composite is significantly enhanced by heat treatment consisting of water quenching and aging processes with proper parameters. This can be attributed to the superior heat treatment strengthening effect on the basis of the network boundary strengthening effect.


► The heat treatment on TMCs is studied which is useful and important.
► The microstructure evolution of the composite is studied for the first time.
► The mechanical property evolution is studied for the first time.
► A significant improvement in strength was achieved by heat treatment.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials & Design (1980-2015) - Volume 36, April 2012, Pages 694–698
نویسندگان
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