Effects of ball-milling on the hydrogen sorption properties of LaNi 5
Journal of Alloys and Compounds, ISSN: 0925-8388, Vol: 480, Issue: 2, Page: 912-916
2009
- 31Citations
- 18Captures
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Article Description
Pressure–composition isotherms of LaNi 5 alloys were studied as function of ball-milling time. Results indicate that ball-milling convert a part of the LaNi 5 to a non-absorbing state—a state which does not absorb hydrogen under conditions where un-milled LaNi 5 powders absorb and transform to LaNi 5 H 6, in addition to particle size reduction and creation of defects. The non-absorbing fraction in the milled sample is found to grow with increase in the ball-milling time. The resistance to the hydride formation of the long-time ball-milled LaNi 5 samples is found to continue even after a 1-h high vacuum annealing at around 1000 K. This indicates that the hydrogen-absorption-resist-anomalous state formed during the long-time ball-milling is rather stable.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0925838809003478; http://dx.doi.org/10.1016/j.jallcom.2009.02.062; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=67349262414&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0925838809003478; https://api.elsevier.com/content/article/PII:S0925838809003478?httpAccept=text/xml; https://api.elsevier.com/content/article/PII:S0925838809003478?httpAccept=text/plain; https://dx.doi.org/10.1016/j.jallcom.2009.02.062
Elsevier BV
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