HYDROGEN ABSORPTION IN (ZrxTi1 - x) B2 (B EQUVLNT Cr, Mn) AND THE PHENOMENOLOGICAL MODEL FOR THE ABSORPTION CAPACITY IN PSEUDO-BINARY LAVES-PHASE COMPOUNDS.

I. Jacob, A. Stern, A. Moran, D. Shaltiel, D. Davidov

Research output: Contribution to journalConference articlepeer-review

37 Scopus citations

Abstract

The hydrogen absorption of the systems (Zr//xTi//1// minus //x)B//2 (B EQUVLNT Cr, Mn; 0 less than equivalent to x less than equivalent to 1) was investigated as a function of x to check a previously proposed phenomenological model for the hydrogen capacities of Laves-phase AB//2 pseudo-binary compounds. The measurements were performed at pressures between 40 and 300 atm at room temperature and at liquid nitrogen temperatures. At 40 atm and 80 K the absorption capacity of the pseudo-binary compounds (Zr//xTi//1// minus //x)Cr//2 increases linearly from 3. 3 H atoms (formula unit (f. u. ))** minus **1 in TiCr//2 to 4. 5 H atoms (f. u. )** minus **1 in ZrCr//2. The maximum absorption capacity N//H of the system (Zr//xTi//121 31 //x)Mn//2 steeply increases from N//H equals 0. 3 H atoms (f. u. )** minus **1 for x equals 0 to N//H equals 3. 65 H atoms (f. u. )** minus **1 for x equals 0. 4; it stays practically constant at approximately 4 H atoms (f. u. )** minus **1 in the range 0. 6 less than equivalent to x less than equivalent to 1.

Original languageEnglish
Pages (from-to)369-376
Number of pages8
JournalJournal of the Less-Common Metals
Volume73
Issue number2
DOIs
StatePublished - 1 Jan 1980
EventProc of the Int Symp on the Prop and Appl of Met Hydrides - Colorado Springs, CO, USA
Duration: 7 Apr 198011 Apr 1980

ASJC Scopus subject areas

  • Engineering (all)

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