Kinetics and mechanism of hydrogen sorption in yttrium-silicon d88- structure phases, part i
Joint Authors
Hasan, Mouaid A.
McColm, I. J.
Sharif, M. Y.
al-Salim, Tahsin A.
Hadi, Jabbar Salih
Source
Issue
Vol. 2009, Issue 36 (31 Dec. 2009), pp.667-679, 13 p.
Publisher
University of Babylon College of Sciences
Publication Date
2009-12-31
Country of Publication
Iraq
No. of Pages
13
Main Subjects
Topics
Abstract AR
تم في هذا البحث إيجاد علاقة بين معامل شبكية المحور Z- و سرعة هدرجة أطوار D88.
أن المواد التي تمتلك المحور C- ضمن المدى 0.642-0.632 نانوميتر هي الأكثر مقاومة لزيادة محتوى الهيدروجين.
و انطلاقا من ذلك تم تحضير كل من Y5Si2Ge و Y5Si2GeN0.1 و استخدمت لتحديد مركبات امتصاص الهيدروجين ضمن مدى من درجات الحرارة و ضغوط الهيدروجين.
لقد كان تاثير وجود النتروجين في السبيكة هو زيادة معدلات التفاعل بمعدل ثلاث مرات تقريبا.
و قد تم تحليل البيانات الثرموكرافية بواسطة معادلة J–M–A المستخدمة من قبل Goudy.
Abstract EN
A relationship between the size of the z-axis lattice parameter and the rate of hydrogenation of D88 phases has been established.
Materials with caxis in the range 0.632-0.642 nm are most resistant to hydrogen content increase whilst maintaining a fast sorption capability for 0.9-10 H (fu)-1. From this Y5Si2Ge and Y5Si2GeN0.1 have been prepared and used to establish the hydrogen sorption kinetics at a range of temperatures and pressures of hydrogen.
The effect that nitrogen has on the alloy is to increase reaction rates by a factor of approximately 3.
Thermogravimetric plots were first analysed by the J-M-A equation as used by Goudy (6).
Arrhenius representation of the first and second order equations indicate a significant change in reaction mechanism at 740-745 K.
Activation energies are in the range 84-166 kJ (mol)-1 depending on order and temperature.
American Psychological Association (APA)
Hasan, Mouaid A.& McColm, I. J.& Sharif, M. Y.& al-Salim, Tahsin A.& Hadi, Jabbar Salih. 2009. Kinetics and mechanism of hydrogen sorption in yttrium-silicon d88- structure phases, part i. National Journal of Chemistry،Vol. 2009, no. 36, pp.667-679.
https://search.emarefa.net/detail/BIM-240957
Modern Language Association (MLA)
Sharif, M. Y.…[et al.]. Kinetics and mechanism of hydrogen sorption in yttrium-silicon d88- structure phases, part i. National Journal of Chemistry No. 36 (2009), pp.667-679.
https://search.emarefa.net/detail/BIM-240957
American Medical Association (AMA)
Hasan, Mouaid A.& McColm, I. J.& Sharif, M. Y.& al-Salim, Tahsin A.& Hadi, Jabbar Salih. Kinetics and mechanism of hydrogen sorption in yttrium-silicon d88- structure phases, part i. National Journal of Chemistry. 2009. Vol. 2009, no. 36, pp.667-679.
https://search.emarefa.net/detail/BIM-240957
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 679
Record ID
BIM-240957
