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    Prediction of compressive strength of CFRP composite structures using notch strength

    Ahn, Sang, Hong, Suk, Koo, Jae, Seok, Chang
    International Journal of Precision Engineering and Manufacturing, 2013, Vol.14(6), pp.1103-1108 [Peer Reviewed Journal]
    Springer Science & Business Media B.V.
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    Title: Prediction of compressive strength of CFRP composite structures using notch strength
    Author: Ahn, Sang; Hong, Suk; Koo, Jae; Seok, Chang
    Subject: CFRP (Carbon fiber reinforced plastics) ; Compressive strength ; Hole notch ; Point stress criterion ; Notch strength ; C shape structure
    Description: Composite materials called CFRP (Carbon fiber reinforced plastics) are widely used in the aerospace industry and otherrelated industries like the automobile and in sports. Nowadays, CFRP composite materials are receiving much attention because of their superior mechanical properties compared to metals and their lightweight, which has contributed to the high fuel efficiency of structures. However, the compressive strength of composite materials is lower than its tensile strength. Structures like airplanes and automobile are assembled with components such as bolts, pins, etc. and the strength of these components, or notches, can degrade. In this study, the compressive strengths of notched flat specimens were compared with those of unnotched flat specimens through compression tests. Also, the compressive strengths of differently shaped structures were compared and verified with those of the specimens
    Is part of: International Journal of Precision Engineering and Manufacturing, 2013, Vol.14(6), pp.1103-1108
    Identifier: 2234-7593 (ISSN); 2005-4602 (E-ISSN); 10.1007/s12541-013-0149-0 (DOI)

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    Ahn Sang-Soo : [graphiste]

    Ahn, Sang-Soo
    Paris : Pyramyd
    2005
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    Title: Ahn Sang-Soo : [graphiste] / préf. par Alain le Quernec
    Author: Ahn, Sang-Soo
    Publisher: Paris : Pyramyd
    Date: 2005
    Format: 120 p. : ill. en noir et en coul. ; 16 cm
    Series: Design&designer ; 035
    Documents in this series: Design & designer
    RERO subject: Ahn, Sang-Soo
    Note: Texte bilingue, en anglais et en français
    Identifier: 2350170039 (ISBN)
    RERO No.: R003930142
    Permalink:
    http://data.rero.ch/01-R003930142/html?view=NJ_V1

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    Charpy impact fracture characteristics of CFRP composite materials according to variations of fiber array direction and temperature

    Hong, Suk, Ahn, Sang, Li, Haochuang, Kim, Jung, Ko, Sang, Koo, Jae, Seok, Chang
    International Journal of Precision Engineering and Manufacturing, 2013, Vol.14(2), pp.253-258 [Peer Reviewed Journal]
    Springer Science & Business Media B.V.
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    Title: Charpy impact fracture characteristics of CFRP composite materials according to variations of fiber array direction and temperature
    Author: Hong, Suk; Ahn, Sang; Li, Haochuang; Kim, Jung; Ko, Sang; Koo, Jae; Seok, Chang
    Subject: CFRP ; Impact test ; Direction of fiber array ; Environment temperature test
    Description: Recently, the use of Carbon Fiber Reinforced Plastic (CFRP) composite, instead of metal materials, has increased in fields that have high demand for both lightweight and high specific strength materials, such as aircraft and automobile. Composites show different characteristics according to temperature and fiber array direction. Under the operating condition, the fuselage of an aircraft is often exposed to impacts from birds, hail etc. Therefore, Charpy impact fracture characteristics of the CFRP composite according temperature and fiber array direction need to be estimated to ensure aircraft safety. In this paper, after the Charpy impact tests, fractured surfaces were analyzed to estimate the impact fracture characteristics of the CFRP composite by SEM.
    Is part of: International Journal of Precision Engineering and Manufacturing, 2013, Vol.14(2), pp.253-258
    Identifier: 2234-7593 (ISSN); 2005-4602 (E-ISSN); 10.1007/s12541-013-0035-9 (DOI)

    • Several versions

    Between Word and Deed: The ICOGRADA Design Education Manifesto, Seoul 2000

    Poggenpohl, Sharon Helmer, Ahn, Sang-Soo
    Design Issues, 2002, Vol.18(2), pp.46-56 [Peer Reviewed Journal]