Self-diffusion of Ni in the intermetallic compound Ni3Al
β Scribed by Guo-Xiang Chen; Dou-Dou Wang; Jian-Min Zhang; Han-Ping Huo; Ke-Wei Xu
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 369 KB
- Volume
- 403
- Category
- Article
- ISSN
- 0921-4526
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63Ni self-diffusion along grain boundaries (GBs) in intermetallic alloys Ni-25.2A1, Ni-24.9A14.8W, Ni-24.2A14.7Cr, Ni-19.3A14.5Hf and Ni-27.6Al-4.9Co (at.%) has been investigated by the radiotracer technique. The usual darkening in the positions of GBs on the autoradiographs obtained on the parallel
Ni3A1 intermetallic powders were produced in solid state with controlled microstructure using mechanical alloying (MA) technique by milling Ni and A1 powders in a planetary ball mill. 33 grams of Ni and AI powders with 3:1 atomic percentage were milled each time in argon atmosphere. The evolution an