Diffusion of chromium in nanocrystalline iron produced by means of surface mechanical attrition treatment
β Scribed by Z.B. Wang; N.R. Tao; W.P. Tong; J. Lu; K. Lu
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 358 KB
- Volume
- 51
- Category
- Article
- ISSN
- 1359-6454
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AbstractΓThe mechanical properties of warm compacted nanocrystalline (nc) iron powder compacts of near theoretical density in the grain size range between 8 and 33 nm were investigated. The elastic and plastic behavior were characterized by miniaturized disk bend tests and hardness measurements. Lig
Scanning thermal microscopy (SThM) was used to map thermal conductivity images in an ultrafine-grained copper surface layer produced by surface mechanical attrition treatment (SMAT). It is found that the deformed surface layer shows different thermal conductivities that strongly depend on the grain