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Fatigue design of sintered con-rods

Entwicklung und schwingfeste Bemessung von gesinterten Fahrzeugpleueln

: Fraunhofer-Institut für Betriebsfestigkeit -LBF-, Darmstadt

	Darmstadt: Fraunhofer LBF, 1990, 35 pp. : Abb.,Tab.,Lit. LBF-Bericht, FB 190 ISSN: 0721-5320

	English
	Report
	Fraunhofer LBF ()
	alloy Fe-1.5Cu-0.6C; con-rod; density; Dichte; Einfachsintertechnik; fatigue test; Legierung; Motorversuch; Pleuel; quenched and tempered; Schwingfestigkeitsversuch; single sintering technique; Spannungsanalyse; stress analysis; Vergüten; sintering; stress analysis; fatigue strength test; hardening and tempering; connecting rod; Motor; finite element method; vehicle construction

Abstract
Within an international research program con-rods from the alloy Fe-1.5-Cu-0.6C, quenched and tempered, with densities mostly over 7.0 g/ccm in the highly stressed areas were developed and pressed in the single sintering technique. The PM' tooling for the compaction-sinter-size route was manufactured after extensive FEM and experimental stress analyses. After successful fatigue testing, the con-rods achieved final engine testing without any failures. The test duration corresponded to 150.000 to 300.000 km normal european operational service.