RELATIONSHIP BETWEEN FRACTAL DIMENSION AND CYCLIC CREEP PROPERTIES OF ROTOR STEEL 34CrMoA

RELATIONSHIP BETWEEN FRACTAL DIMENSION AND CYCLIC CREEP PROPERTIES OF ROTOR STEEL 34CrMoA

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摘要 Vertical section method has been used to measure the fractal dimension of cyclic creep frac- ture surfaces of rotor steel 34CrMoA 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. Vertical section method has been used to measure the fractal dimension of cyclic creep frac- ture surfaces of rotor steel 34CrMoA 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.

作者 YI Jianzhang Shenyang Institute of Aeronautical Engineering,Shenyang,ChinaYANG Zhi’an ZHU Shijie WANG Zhongguang Institute of Metal Research,Academia Sinica,Shenyang,China lecturer,Department of Safety Engineering,Shenyang Institute of Aeronautical Engineering,Shenyang 110031,China

出处《Acta Metallurgica Sinica(English Letters)》 SCIE EI CAS CSCD 1993年第3期193-196,共4页 金属学报（英文版）

关键词 cyclic creep fractal dimension creep property steel 34CrMoA cyclic creep fractal dimension creep property steel 34CrMoA

分类号 TG-55 [金属学及工艺]

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Acta Metallurgica Sinica(English Letters)

1993年第3期

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RELATIONSHIP BETWEEN FRACTAL DIMENSION AND CYCLIC CREEP PROPERTIES OF ROTOR STEEL 34CrMoA

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