Study of nanoprecipitates in a nickel-based superalloy using small-angle neutron scattering and transmission electron microscopy

E-Wen Huang*, Peter K. Liaw, Lionel Porcar, Yun Liu, Yee Lang Liu, Ji Jung Kai, Wei Ren Chen

*此作品的通信作者

研究成果: Article同行評審

24 引文 斯高帕斯(Scopus)

摘要

Small-angle neutron scattering (SANS) experiments were performed on a Ni-based nanoprecipitate-strengthened superalloy. A theoretical model for SANS absolute intensity distribution I (Q) was presented to extract the structural properties. During the deformation process, a change in the morphology of precipitates was discovered. However, the average interprecipitate distance and the average volume of precipitates were found to remain invariant. This microstructural information resolved by SANS is in good agreement with the results obtained from the quantitative transmission-electron-microscopy image analysis.

原文English
文章編號161904
期刊Applied Physics Letters
93
發行號16
DOIs
出版狀態Published - 3 十一月 2008

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