FACTORS CONTROLLING THE STRONGEST SIZES IN THE INVERSE HALL-PETCH RELATIONSHIP
文献类型：期刊论文
| 作者 | Pan, Yong1; Zhou, Zhao Feng1; Fu, Shao-Yun2; Nie, Yanguang3; Sun, Chang Q.3 |
| 刊名 | NANO
 |
| 出版日期 | 2008-06-01 |
| 卷号 | 3期号:3页码:175-185 |
| 关键词 | Hall-petch Effect Nanostructures Nanomechanics Chemical Bond Mechanical Failure |
| ISSN号 | 1793-2920 |
| 英文摘要 | Incorporating the bond-order-length-strength correlation mechanism [C. Q. Sun, Prog. Solid State Chem. 35, 1 (2007)] and Born's criterion for melting [J. Chem. Phys. 7, 591 (1939)] into the conventional Hall-Petch relationship has turned out an analytical expression for the size and temperature dependence of the mechanical strength of nanograins, known as the inverse Hall-Petch relationship (IHPR). Reproduction of the measured IHPR of Ni, NiP, and TiO(2) nanocrystals revealed that: (i) the competition between the size-induced energy-density gain and atomic cohesive energy loss in the surface skins of nanograins originate from the IHPR; (ii) the competition between the activation and inhibition of atomic dislocations motion activate the entire IHPR behavior; (iii) the bond nature involved and the T/Tm ratio between the temperature of operating and the temperature of melting dictate the measured strongest sizes of a given specimen; (iv) a quasimolten phase present before melting determines the size-induced softening and the superplasticity of nanostructures. |
| 语种 | 英语 |
| WOS记录号 | WOS:000262138100007 |
| 出版者 | WORLD SCIENTIFIC PUBL CO PTE LTD |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/65301]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Pan, Yong |
| 作者单位 | 1.Xiangtan Univ, Key Lab Low Dimens Mat & Applicat Technol, Minist Educ, Hunan 411105, Peoples R China 2.Chinese Acad Sci, Inst Chem & Phys, Beijing 100190, Peoples R China 3.Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore |
| 推荐引用方式 GB/T 7714 | Pan, Yong,Zhou, Zhao Feng,Fu, Shao-Yun,et al. FACTORS CONTROLLING THE STRONGEST SIZES IN THE INVERSE HALL-PETCH RELATIONSHIP[J]. NANO,2008,3(3):175-185. |
| APA | Pan, Yong,Zhou, Zhao Feng,Fu, Shao-Yun,Nie, Yanguang,&Sun, Chang Q..(2008).FACTORS CONTROLLING THE STRONGEST SIZES IN THE INVERSE HALL-PETCH RELATIONSHIP.NANO,3(3),175-185. |
| MLA | Pan, Yong,et al."FACTORS CONTROLLING THE STRONGEST SIZES IN THE INVERSE HALL-PETCH RELATIONSHIP".NANO 3.3(2008):175-185. |
入库方式： OAI收割
来源：化学研究所
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