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¼ìË÷ÎÄÕ£º ¡¾ÌâÃû¡¿£ºThe Thermal Stability of R3Pt4 Compounds ¡¾×÷Õß¡¿£ºCH.F. Xu, Z.F. Gu, G. Cheng, J. Ren, H.Y. Zhou, Y.Y. Lin and X.M. Liu ¡¾ÔÓÖ¾ÃûÈ«³Æ¡¿£ºMetallurgical and Materials Transactions A (ISSN: 1073-5623) ¡¾Äê, ¾í(ÆÚ), ÆðÖ¹Ò³Âë¡¿£º2010Äê1Ô£¬Volume 41, Number 1 £¬pp57-60¡£ ¡¾ÌâÃû¡¿£ºRevised phase diagram for the Nd¨CPt system from 35 to 85 at% platinum ¡¾×÷Õß¡¿£ºCh. F. Xu, Z. F. Gu, G. Cheng, H. Y. Zhou, Z. M. Wang, X. M. Liu, Q. Y. Han and M. H. Jiang ¡¾ÔÓÖ¾ÃûÈ«³Æ¡¿£ºJournal of Applied Crystallography (ISSN: 0021-8898) ¡¾Äê, ¾í(ÆÚ), ÆðÖ¹Ò³Âë¡¿£º2010Äê2Ô£¬Volume 43 Issue 1, Pages 33 ¨C 37¡£ ¸÷λ´ó¸ç£¬Âé·³ÄúÃǰï²é²é£¬ÕâÁ½ÆªÓ¢ÎÄÂÛÎÄÊÇ·ñÒѱ»SCI¡¢EIÊÕ¼£¬ÊÕ¼ºÅ·Ö±ðÊǶàÉÙ£¬Âé·³¸÷λÈÊÐÖ¸æÖª£¬ лл£¡ |
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afu0007
ÖÁ×ðľ³æ (СÓÐÃûÆø)
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- ×¢²á: 2007-10-27
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2Â¥2010-03-24 18:59:30
sensitivemimosa
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afu0007(½ð±Ò+2): 2010-03-25 15:50
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µÚһƪ±»EIÊÕ¼ Accession number: 20100112617002 Title: The thermal stability of R3Pt4 compounds Authors: Xu, Ch.F.1 ; Gu, Z.F.2 ; Cheng, G.2 ; Ren, J.2 ; Zhou, H.Y.2 ; Lin, Y.Y.1 ; Liu, X.M.1 Author affiliation: 1 Department of Mechanical Engineering, Guilin College of Aerospace Technology, Guilin, Guangxi 541004, China 2 Department of Information Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China Corresponding author: Xu, Ch. F. (afu0007@163.com) Source title: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science Abbreviated source title: Metall Mat Trans A Phys Metall Mat Sci Volume: 41 Issue: 1 Issue date: January 2010 Publication year: 2010 Pages: 57-60 Language: English ISSN: 10735623 CODEN: MMTAEB Document type: Journal article (JA) Publisher: Springer Boston, 101 Philip Drive, Assinippi Park, Norwell, MA 02061, United States Abstract: Alloys of the rare earths R (including La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Y, Ho, Er) with platinum, having the composition R3Pt4, have been synthesized and investigated by X-ray diffraction (XRD) and differential thermal analysis (DTA). At temperatures above about 900 ¡ãC and below 250 ¡ãC, all the single phases R3Pt4 are formed, which crystallize with the same structure of the rhombohedral Pu3Pd 4 type. Over the temperature range of about 250 ¡ãC to 900 ¡ãC, they occur at an eutectoid decomposition into RPt and RPt2 compounds neighboring in the corresponding phase diagram, R3Pt4 ¡ú RPt + RPt2. The stability of these phases R3Pt 4 may be restricted to a radius ratio r R/r Pt range of 1.27 to 1.35. © 2009 The Minerals, Metals & Materials Society and ASM International. Number of references: 9 Main heading: Platinum alloys Controlled terms: Cerium - Cerium compounds - Erbium - Gadolinium - Holmium - Palladium - Phase diagrams - Platinum - Plutonium - Thermoanalysis - Thermodynamic stability - X ray diffraction - X ray diffraction analysis Uncontrolled terms: Eutectoid decomposition - Radius ratio - Single phasis - Temperature range - Thermal stability Classification code: 933.1.1 Crystal Lattice - 931.3 Atomic and Molecular Physics - 921.4 Combinatorial Mathematics, Includes Graph Theory, Set Theory - 804.2 Inorganic Compounds - 804.1 Organic Compounds - 801.4 Physical Chemistry - 801 Chemistry - 701 Electricity and Magnetism - 641.1 Thermodynamics - 622.1 Radioactive Materials, General - 547.2 Rare Earth Metals - 547.1 Precious Metals - 531 Metallurgy and Metallography DOI: 10.1007/s11661-009-0077-x Database: Compendex |
3Â¥2010-03-25 15:05:22
dengminghua
ľ³æ (ÖøÃûдÊÖ)
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afu0007(½ð±Ò+2): 2010-03-28 10:45
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µÚһƪ±»SCIÊÕ¼£º ISI:000273242400008 FN ISI Export Format VR 1.0 PT J AU Xu, CF Gu, ZF Cheng, G Ren, J Zhou, HY Lin, YY Liu, XM AF Xu, Ch. F. Gu, Z. F. Cheng, G. Ren, J. Zhou, H. Y. Lin, Y. Y. Liu, X. M. TI The Thermal Stability of R3Pt4 Compounds SO METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE AB Alloys of the rare earths R (including La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Y, Ho, Er) with platinum, having the composition R3Pt4, have been synthesized and investigated by X-ray diffraction (XRD) and differential thermal analysis (DTA). At temperatures above about 900 degrees C and below 250 degrees C, all the single phases R3Pt4 are formed, which crystallize with the same structure of the rhombohedral Pu3Pd4 type. Over the temperature range of about 250 degrees C to 900 degrees C, they occur at an eutectoid decomposition into RPt and RPt2 compounds neighboring in the corresponding phase diagram, R3Pt4 -> RPt + RPt2. The stability of these phases R3Pt4 may be restricted to a radius ratio r(R)/r(Pt) range of 1.27 to 1.35. SN 1073-5623 PD JAN PY 2010 VL 41A IS 1 BP 57 EP 60 DI 10.1007/s11661-009-0077-x UT ISI:000273242400008 |
4Â¥2010-03-26 10:58:58














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