Fatigue fracture of crankshaft of an aircraft engine

被引：70

作者：

Bhaumik, SK ^{[1
]}

Rangaraju, R ^{[1
]}

Venkataswamy, MA ^{[1
]}

Bhaskaran, TA ^{[1
]}

Parameswara, MA ^{[1
]}

机构：

[1] Natl Aerosp Lab, Div Mat Sci, Failure Anal Grp, Bangalore 560017, Karnataka, India

来源：

ENGINEERING FAILURE ANALYSIS | 2002年 / 9卷 / 03期

关键词：

engine failures; aircraft failures; fretting; fatigue; bearing failures;

D O I：

10.1016/S1350-6307(01)00022-X

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The crankshaft of a piston engine of a transport aircraft failed during climb. Cracks were found to initiate at the web radius region of journals 2 and 3 and progressed in the transverse direction of the shaft axis causing it to fracture. The initiation of cracks was by surface contact fatigue due to constant rubbing of bearings against the journal webs. The movement of the bearing was caused by some axial load on the crankshaft. An analysis of the failure is presented in this paper. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：255 / 263

页数：9

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