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Ductile-to-brittle transition and materials' resistance to amorphization by irradiation damage
Wang, Xin; Zhang, Yu-Ting; Liu, Peng-Chuang; Yan, Jiawei; Mo, Wenlin; Zhang, Peng-Cheng; Chen, Xing-Qiu; Wang, X; Zhang, PC (reprint author), Sci & Technol Surface Phys & Chem Lab, POB 9-35, Jianyou 621908, Sichuan, Peoples R China.; Wang, X (reprint author), Inst Met Sci & Technol, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
2016
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume6Issue:50Pages:44561-44568
AbstractBy summarizing over seven hundred elastic constants of materials with various crystal structures, we have found that the so-called ductile-to-brittle transition originates from the bonding type transition. This can be reflected well by a universal linear relation between Cauchy pressure/bulk modulus (CP/B) and shear modulus/bulk modulus (G/B). In general, G/B of a material will gradually decrease with increasing pressure and temperature, while a significant change in G/B against increasing temperature often corresponds to a certain phase transition, such as magnetic transition, spin flipping, structural phase transition and so on. The present work suggests that the value of G/B for materials can serve as an indicator of bonding type. Importantly, this linear relation is robust for materials under temperature, pressure and with defects. Here we propose that damage tolerance properties can be experimentally measured from the elastic constants of a given material. It is suggested that a material with a value of G/B that varies little with temperature, pressure and defect concentration, potentially exhibits high damage tolerance. These observations shed light on the ductile-to-brittle transition. They may provide a potential tool towards the design of materials, particularly under extreme conditions.
description.department[wang, xin ; zhang, yu-ting ; liu, peng-chuang ; zhang, peng-cheng] sci & technol surface phys & chem lab, pob 9-35, jianyou 621908, sichuan, peoples r china ; [wang, xin ; chen, xing-qiu] inst met sci & technol, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, liaoning, peoples r china ; [yan, jiawei ; mo, wenlin] china acad engn phys, inst mat, pob 9, jianyou 621907, sichuan, peoples r china
Subject AreaChemistry
Funding OrganizationNSFC [91226203, 115055159]; Science and Technology on Surface Physics and Chemistry Laboratory (STSPCL) [ZDXKFZ201410]; China Academy of Engineering Physics (CAEP) [2015B0302061]; Special Program for Applied Research on Super Computation of the NSFC-Guangdong Joint Fund
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75960
Collection中国科学院金属研究所
Corresponding AuthorWang, X; Zhang, PC (reprint author), Sci & Technol Surface Phys & Chem Lab, POB 9-35, Jianyou 621908, Sichuan, Peoples R China.; Wang, X (reprint author), Inst Met Sci & Technol, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Wang, Xin,Zhang, Yu-Ting,Liu, Peng-Chuang,et al. Ductile-to-brittle transition and materials' resistance to amorphization by irradiation damage[J]. RSC ADVANCES,2016,6(50):44561-44568.
APA Wang, Xin.,Zhang, Yu-Ting.,Liu, Peng-Chuang.,Yan, Jiawei.,Mo, Wenlin.,...&Wang, X .(2016).Ductile-to-brittle transition and materials' resistance to amorphization by irradiation damage.RSC ADVANCES,6(50),44561-44568.
MLA Wang, Xin,et al."Ductile-to-brittle transition and materials' resistance to amorphization by irradiation damage".RSC ADVANCES 6.50(2016):44561-44568.
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