PROPAGATION OF SHORT FATIGUE CRACKS IN STEEL 16Mn

Acta Metallurgica Sinica (English Letters) ›› 1993, Vol. 6 ›› Issue (2): 107-110.

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PROPAGATION OF SHORT FATIGUE CRACKS IN STEEL 16Mn

WANG Weiming HUANG Yuhua XU Hao Northeast University of Technology.Shenyang,China Doctorate student,Post Box 175,Northeast University of Technology,Shenyang 110006,China

Received:1993-04-25 Revised:1993-04-25 Online:1993-04-25 Published:2009-10-10

Abstract

Abstract: Small bar speeimens of steel 16Mn with blind-holes were fatigued under constant amplitude Ioadings on a rotathing bending fatigue machie.Short crack propagation emanating from the blind-holes was obtained.Based on the experimental results,an expression of average propa- gation rate of short cracks was proposed.Statistical behavior of short crack propagation was discussed and the evoluation of sutrface sizes of short cracks with fatigue cycle number was al- so given.

Key words: steel 16Mn, bending fatigue, propagation rate, statistical behavior

WANG Weiming HUANG Yuhua XU Hao Northeast University of Technology.Shenyang,China Doctorate student,Post Box 175,Northeast University of Technology,Shenyang 110006,China. PROPAGATION OF SHORT FATIGUE CRACKS IN STEEL 16Mn[J]. Acta Metallurgica Sinica (English Letters), 1993, 6(2): 107-110.

[1]	DONG Jianxin XIE Wei~* XU Zhichao XIE Xishan ZHANG Shouhua University of Science and Technology Beijing,Beijing,China doctorate student P.O.Box 604,University of Science and Technology Beijing,Beijing 100083,China. EFFECT OF Mg AND δ-PHASE ON MECHANICAL PROPERTIES OF ALLOY GH169(INCONEL718) [J]. Acta Metallurgica Sinica (English Letters), 1993, 6(6): 405-409.
[2]	TIAN Baohong ZHENG Shi'an WU Lei Luoyang Institute of Technology,Luoyang,China ZHENG Shi'an,associate professor,Department of Materials Engineering,Luoyang Institute of Technology,Luoyang 471039,China. FATIGUE BEHAVIOUR OF M/B DUPLEX STRUCTURE IN A HIGH CARBON Cr-Mo-W STEEL [J]. Acta Metallurgica Sinica (English Letters), 1993, 6(5): 316-319.
[3]	LI Yongjun Xi′an Jiaotong University,Xi′an,China. FATIGUE FRACTURE BEHAVIOR OF LOW CARBON MARTENSITE AND MARTENSITE/BAINITE DUPLEX STRUCTURE IN STEEL 20CrMnMo [J]. Acta Metallurgica Sinica (English Letters), 1992, 5(3): 212-217.
[4]	ZHENG Wenlong ZHU Xiying SU Limin Shanghai Research Institute of Materials,Shanghai,China ZHENG Wenlong,Senior Research Engineer,Shanghai Research Institute of Materials,99 Handan Road,Shanghai,China. EFFECT OF CATHODIC PROTECTION ON FRACTURE BEHAVIOUR OF LOWALLOY STEELS IN SEAWATER [J]. Acta Metallurgica Sinica (English Letters), 1989, 2(1): 57-62.

PROPAGATION OF SHORT FATIGUE CRACKS IN STEEL 16Mn

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