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RELATIONSHIP BETWEEN FRACTAL DIMENSION AND CYCLIC CREEP PROPERTIES OF 34CrMoA ROTOR STEEL |
YI Jianzhang (Shenyang Instituteal of Aeronautical Engineering); YANG Zhi'an; ZHU Shijie; WANG Zhongguang (Institute of Metal Research; Academia Sinica; Shenyang) |
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Cite this article:
YI Jianzhang (Shenyang Instituteal of Aeronautical Engineering); YANG Zhi'an; ZHU Shijie; WANG Zhongguang (Institute of Metal Research; Academia Sinica; Shenyang). RELATIONSHIP BETWEEN FRACTAL DIMENSION AND CYCLIC CREEP PROPERTIES OF 34CrMoA ROTOR STEEL. Acta Metall Sin, 1992, 28(12): 18-22.
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Abstract Vertical section method has been used to measure the fractal dimension of cyclic creep fracture surfaces of 34CrMoA rotor steel at 550℃. The relationship between fractal dimension and cyclic creep properties has been analyzed. The fractal dimension is dependent upon the power product of minimum creep rate and rupture time, and satisfies the linear function with rupture strain.
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