Kim, Ki-Hyun and Youn, Hyeong-Chul and Choi, Chul-Jin and Lee, Byong-Taek (2007) Fabrication and material properties of powder injection molded Fe sintered bodies using nano Fe powder. Materials Letters, 61 (4-5). 1218 - 1222.
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Official URL: http://www.sciencedirect.com/science/article/B6TX9...
Abstract
Injection molded Fe sintered bodies were fabricated using two kinds of Fe powders which have an average size of 50 nm and a diameter of 3 μm, respectively. Using Fe powder of about 50 nm in diameter, comparatively dense bodies (94–97%) were obtained even at a low sintering temperature (600 °C–700 °C), whereas the Fe sintered body (1100 °C) using about 3 μm Fe powder showed relatively low density (about 93%). In the sintered bodies using 50 nm Fe powders, the grain size increased as the sintering temperature increased, but the values of hardness decreased. In the sample sintered at 650 °C, the values of relative density and grain size were 96% and 0.97 μm, respectively. The minimum value of wear depth was obtained due to the combination of fine grain size and comparatively high relative density.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Fe; Nano powder; Injection molding |
| Subjects: | Material Science > Nanofabrication processes and tools Material Science > Nanostructured materials |
| ID Code: | 6758 |
| Deposited By: | SPI |
| Deposited On: | 09 Feb 2010 09:17 |
| Last Modified: | 09 Feb 2010 09:17 |
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