CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Determination of Tensile Strength by Modified Brazilian Disc Method for Nuclear Graphite
Zhang, C; Yuan, Y; He, ZT; Tang, H; Song, JL; Cai, MY; Tsang, DKL; Zhou, X
2020
Source PublicationEXPERIMENTAL TECHNIQUES
ISSN0732-8818
Volume44Issue:4Pages:475-484
Subtype期刊论文
AbstractThe Brazilian disc test has been used widely to measure the tensile strength of brittle materials, such as rock and ceramic. However, the Brazilian disc method developed for rock has not been applicable for nuclear graphite due to the large ratio of tensile to compressive strength in the material. According to the results of stress analysis and Griffith's strength criteria, the graphite compressive stress near the contact area must be decreased for the Brazilian tensile strength method. In this paper, the Brazilian disc test has been modified by using a newly developed anvil with a V-shaped cavity. According to finite element analysis, the stress concentration around the contact area between graphite samples and anvils was significantly reduced by the new design of anvils. The design has been proved to be effective by comparing with the direct methods. The method also has been proved to be valid for different samples sizes considered in this study, which indicates that it has a wide applicability.
KeywordFRACTURE-TOUGHNESS NUMERICAL-SIMULATION SUGGESTED METHODS SPECIMEN PARAMETERS FAILURE DAMAGE TESTS
DOI10.1007/s40799-020-00363-y
Indexed BySCI ; EI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32787
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2.Shanghai Aowei Technol Dev Co Ltd, Shanghai, Peoples R China
3.Henkel Chem Technol Shanghai Ltd, Shanghai, Peoples R China
Recommended Citation
GB/T 7714
Zhang, C,Yuan, Y,He, ZT,et al. Determination of Tensile Strength by Modified Brazilian Disc Method for Nuclear Graphite[J]. EXPERIMENTAL TECHNIQUES,2020,44(4):475-484.
APA Zhang, C.,Yuan, Y.,He, ZT.,Tang, H.,Song, JL.,...&Zhou, X.(2020).Determination of Tensile Strength by Modified Brazilian Disc Method for Nuclear Graphite.EXPERIMENTAL TECHNIQUES,44(4),475-484.
MLA Zhang, C,et al."Determination of Tensile Strength by Modified Brazilian Disc Method for Nuclear Graphite".EXPERIMENTAL TECHNIQUES 44.4(2020):475-484.
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