| Calculation of the thermodynamic effect of the Brewer-Engel generalized acid-base reactions of 1:1 intermetallics for non-transition metals Al and Mg with transition metals | |
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| 學年 | 85 |
| 學期 | 1 |
| 出版（發表）日期 | 1997-01-30 |
| 作品名稱 | Calculation of the thermodynamic effect of the Brewer-Engel generalized acid-base reactions of 1:1 intermetallics for non-transition metals Al and Mg with transition metals |
| 作品名稱（其他語言） | |
| 著者 | Wu, Hui-fen; 吳慧芬; Brewer, Leo |
| 單位 | 淡江大學化學學系 |
| 出版者 | Elsevier |
| 著錄名稱、卷期、頁數 | Journal of Alloys and Compounds 247(1-2), pp.1-8 |
| 摘要 | The Brewer-Engel theory has previously provided quantitative predictions of thermodynamic properties and crystal structures of metallic systems which have not previously been subject to generalized Lewis acid-base interactions (L. Brewer, in J.L. Walter, M.R. Jackson and C.T. Sims (eds.), Alloying, ASM International, Metals Park, OH, 1988, pp. 20–27; J. Kouvetakis and L. Brewer, J. Phase Equilib., 14 (1993) 563). The theory has now been extended to cover any combination of metals. A modified Born-Haber type cycle has been used to characterize both covalent and ionic bonding. The understanding of chemical bonding provides the means of predicting a variety of properties. Enhancement of d-bonding is obtained by generalized Lewis acid-base interactions between transition metal atoms (L. Brewer, in J.L. Walter, M.R. Jackson and C.T. Sims (eds.), Alloying, ASM International, Metals Park, OH, 1988, pp. 20–27). In contrast, the d-bonding is reduced when non-transition metals are added to transition metals (L. Brewer, J. Phys. Chem., 94 (1990) 1196). This present paper illustrates the calculation procedures for transition metals added to Al and Mg. The calculations are presented for AB alloys which exhibit CsCl structure for composition of 50 at.% A(transition metal) and 50 at.% B(Al or Mg). |
| 關鍵字 | Brewer-Engel theory;Generalized Lewis acid-base;Modified Born-Haber type cycle;Transition metals;Ionic bonding |
| 語言 | en |
| ISSN | 0925-8388 |
| 期刊性質 | 國外 |
| 收錄於 | |
| 產學合作 | |
| 通訊作者 | |
| 審稿制度 | 否 |
| 國別 | NLD |
| 公開徵稿 | |
| 出版型式 | ,紙本 |
| 相關連結 |
機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/24859 ) |
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