WFRF:(Tang Xu)
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- Zhang, Wei-Wei (author)
Thermodynamic Assessment of the Cu-B System Supported by Key Experiment and First-Principles Calculations
- Article/chapterEnglish2009
Publisher, publication year, extent ...
- 2009-07-07
- Springer Science and Business Media LLC,2009
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-30413
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-30413URI
- https://doi.org/10.1007/s11669-009-9561-7DOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
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Notes
- QC 20110301 14th National Conference and Multilateral Symposium on Phase Diagrams and Materials Design held in Honor of Jin Zhanpeng Changsha, PEOPLES R CHINA, NOV 02-05, 2008
- The Cu-B system was investigated via a hybrid approach of key experiment and thermodynamic modeling. Based on the critically assessed Cu-B phase diagram, seven crucial alloys were selected and prepared by arc melting the pure elements. An inductively coupled plasma-atomic emission spectrometric analysis was conducted to determine the compositions of the prepared alloys. The phase equilibria were determined by using x-ray diffraction, electron probe microanalysis, and differential thermal analysis. The temperature associated with the eutectic reaction, L double left right arrow (B) + (Cu); was measured to be 1028 +/- 2 degrees C. First-principles calculations indicate that the energy of inserting a B atom into the interstitial vacancy (Va) site of the lattice for Cu atoms is marginally lower than that of substituting for a Cu atom with a B atom. Consequently, the sublattice model (Cu)(B, Va) in which B atoms occupy the interstitial sites was employed for the fcc (Cu) phase rather than the model (Cu, B)(Va) in which B atoms substitute for Cu atoms. A thermodynamic modeling of the Cu-B system was then performed by considering the reliable literature data and the present experimental results. A good agreement between modeling and experiment was obtained.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Materialteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Materials Engineering hsv//eng
- Cu-B
- first-principles calculation
- phase diagram
- thermal analysis
- thermodynamic assessment
- Materials science
- Teknisk materialvetenskap
Added entries (persons, corporate bodies, meetings, titles ...)
- Du, Yong (author)
- Xu, Honghui (author)
- Xiong, WeiKTH,Termodynamisk modellering(Swepub:kth)u17yn5p9 (author)
- Kong, Yi (author)
- Sun, Weihua (author)
- Pan, Fusheng (author)
- Tang, Aitao (author)
- KTHTermodynamisk modellering (creator_code:org_t)
Related titles
- In:Journal of Phase Equilibria and Diffusion: Springer Science and Business Media LLC30:5, s. 480-4861547-70371863-7345
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