Effect of atmosphere on further milling mechanically alloyed Ni60Ti40amorphous powders
β Scribed by K. Y. Wang; T. D. Shen; J. T. Wang; M. X. Quan
- Publisher
- Springer
- Year
- 1992
- Tongue
- English
- Weight
- 246 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0261-8028
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Ti4oAl~o amorphous and metastable alloys have been prepared by mechanical alloying (MA), under controlled milling conditions in a planetary mill. Three different quantities of kinetic energy at the collision instant have been achieved by using balls of different size, d~b = 5, 8 and 12 mm, keeping c
The mechanical alloying process of A1-25at.%Ti mixed powders has been investigated in Ar gas and in air using an attritor type of ball mill. Refinement of mechanically-alloyed powder particles proceeds faster in air than in Ar. However, dissolution of Ti into A1 powders proceeds more slowly in air t