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TEM and FIM/TAP investigations of nanocrystalline CoP

Uta Klement (Institutionen för materialteknik) ; Melina da Silva (Institutionen för materialteknik) ; Pyuck-Pa Choi ; Taláat Al-Kassab
Proceedings of the 6th International Conference on Nanostructured Materials, June 2002, Orlando, FL, USA (2002)
[Konferensbidrag, refereegranskat]

Performing DSC, TEM, FIM and TAP investigations the microstructural development of Co-1.2wt.% P was investigated. The nanocrystalline microstructure is preserved upon annealing up to 460ºC. Hence, CoP shows a higher thermal stability against grain growth than nanocrystalline Co and Ni-based alloys. Structural relaxation and/or the allotropic transformation may occur before grain growth commences. At 480ºC, however, significant grain growth is observed, Co is transformed (partly) into fcc-structure and Co2P and CoP precipitates are formed.



Denna post skapades 2006-08-28. Senast ändrad 2014-09-02.
CPL Pubid: 9845

 

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Institutionen för materialteknik (2001-2004)

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Materialteknik

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