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Conference Paper

Evaluation of ductile-brittle transition temperature of anisotropy material by small punch test with U-shaped notch

Authors:

K. Guan ,

School of Mechanical and Power Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, China 200237
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D. Wang,

School of Mechanical and Power Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, China 200237
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J. Dobrovska,

Faculty of metallography and material engineering, Technical university of Ostrava
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K. Matocha

Faculty of metallography and material engineering, Technical university of Ostrava
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Abstract

Miniature and standard specimens, were cut from the anisotropy materials with axial, central and radial directions to study the mechanical property. In the paper, main research focused on the small punch test (SPT) with un-notched and U-shaped notched specimen in low temperature. Through the small punch energy variation with temperature, the ductile-brittle transition temperature by the small punch test (TSP) can be determined. The results indicated that there was no obvious difference among three different directions in transformation temperature of SPT with un-notch specimens, and it cannot represent upper plateau impact energy of three different directions. And the SPT with U-shaped notched specimens can determine the differences of upper plateau fracture energy of three different directions. Therefore, SPT with U-shaped notch specimens was more useful to evaluate the material anisotropy.
How to Cite: Guan, K., Wang, D., Dobrovska, J. and Matocha, K., 2018. Evaluation of ductile-brittle transition temperature of anisotropy material by small punch test with U-shaped notch. Ubiquity Proceedings, 1(S1), p.20. DOI: http://doi.org/10.5334/uproc.20
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Published on 10 Sep 2018.
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