کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
831783 | 1470367 | 2010 | 4 صفحه PDF | دانلود رایگان |
Magnesium matrix composites reinforced by graphite particles were fabricated using stir casting with graphite particle size of 50 μm and graphite particle volume fractions of 5%, 10%, 15% and 20%, respectively. A dynamic mechanical analyzer was used to measure the damping capacities of as-cast composites. The experimental results reveal that the graphite particles play an important role on the damping capacities of as-cast composites. The strain amplitude independent damping of as-cast composites increases significantly as the graphite particle volume fraction increases from 0% to 15%, but decreases when the volume fraction exceeds 15%. The damping values of as-cast composites rise slowly with increasing temperature from room temperature to 125 °C, and have no obvious change with increasing temperature from 125 °C to 250 °C, but rise rapidly with increasing temperature from 250 °C to 400 °C.
Journal: Materials & Design - Volume 31, Issue 10, December 2010, Pages 4862–4865