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    Full Field Strain Measurement of Punch-stretch Tests Using Digital Image Correlation

    Full Field Strain Measurement of Punch-stretch Tests Using Digital Image Correlation


    Punch-stretch tests were conducted on Advanced High Strength Steel (AHSS) specimens. A special stretching mechanism with two embedded high resolution digital cameras had been designed and used in punch-stretch tests. The deforming processes were recorded by the cameras and the full-field strain distribution for each specimen was evaluated using Digital Image Correlation (DIC) technique, a full-field, non-contact, high accuracy optical and computational technique for contour, displacement and strain measurement. Data of Strain path, necking and other strain behavior were extracted using DIC. Different data analysis methods were tried to achieve useful information for predicting the failure. The data set could be used for researches on the effect of the strain path on the forming limit.

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    Title :

    Full Field Strain Measurement of Punch-stretch Tests Using Digital Image Correlation

    Additional title:

    Sae Int. J. Mater. Manf
    Sae International Journal of Materials and Manufacturing

    Contributors:
    Sun, Jianfei (author) / Yang, Lianxiang (author) / Xie, Xin (author) / Chen, Xu (author)
    Conference:

    SAE 2012 World Congress & Exhibition ; 2012

    Published in:

    Sae International Journal of Materials and Manufacturing ; 5 , 2 ; 345-351

    Publication date :

    2012-04-16

    Size :

    7 pages

    ISSN :

    1946-3987 , 1946-3979

    DOI :

    https://doi.org/10.4271/2012-01-0183

    Type of media :

    Conference paper

    Type of material :

    Print

    Language :

    English

    Keywords :

    Advanced high-strength steels

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