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|Title:||Preparation of copper based shape l11el11oryalloy via l11echanical alloying technique|
|Authors:||Lu, L. |
|Source:||Lu, L.,Lai, M.O.,Zhang, S. (1994-04). Preparation of copper based shape l11el11oryalloy via l11echanical alloying technique. Materials Science and Technology 10 (4) : 319-322. ScholarBank@NUS Repository.|
|Abstract:||A shape memory alloy powder was prepared using a mechanical alloying technique. Four stages of formation of the mechanically alloyed powder have been identified, namely, layered structure formation, deformation of the layered structure, disappearance of the layered structure, and the formation of alloyed powder. It was found from X-ray diffraction patterns that the alloyed shape memory powders started to form after mechanical alloying for 1·8 ks. The 'Yphase of the alloyed powders can be distinctively detected after 3·6 ks mechanical alloying. The shape memory effect has been observed in specimens prepared using this mechanical alloying technique. It was observed that a shorter diffusion time was required for the powder to be mechanically alloyed in comparison with conventional mixing. © 1994 The Institute of Materials.|
|Source Title:||Materials Science and Technology|
|Appears in Collections:||Staff Publications|
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