Fatigue failure of a connecting rod of a piston engine

Bhaumik, SK and Venkataswamy, MA and Bhaskaran, TA and Rangaraju, R and Sujata, M and Krishnan, RV (2005) Fatigue failure of a connecting rod of a piston engine. Transactions of the Indian Institute of Metals, 58 (2-3). pp. 423-430. ISSN 0019-493X

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Abstract

Fatigue failures are frequently observed in various components of piston engines. The reasons for such failures can be improper material selection, improper design, misalignment, improper lubrication etc. In this paper, failure of a connecting rod of a piston driven aeroengine is described. The connecting rod is manufactured from an alloy steel of nominal composition Fe(base)-0.4C-0.8Mn-0.3Si-0.5Ni-0.5Cr-0.3Mo, The engine served about 350 h of life, since the last overhaul against the Time Before Overhaul (TBO) life of 1200 h. Analysis showed that intermittent breakdown of the lubricant film led to fatigue failure at the big end of the connecting rod

Item Type: Journal Article
Uncontrolled Keywords: Alloy steel;Fatigue;Life testing;Pistons;Rods (structures)
Subjects: CHEMISTRY AND MATERIALS > Metals and Metallic Materials
Division/Department: Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division
Depositing User: Mrs Manoranjitha M D
Date Deposited: 15 Mar 2007
Last Modified: 24 May 2010 09:54
URI: http://nal-ir.nal.res.in/id/eprint/4090

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