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Fatigue strength of driving shafts of automatic transmission gearboxes unter operational torques

Betriebsfestigkeit von torsionsbelasteten Wellen für Automatgetriebe

: Sonsino, C.M.; Kaufmann, H.; Foth, J.; Jauch, F.

	SAE transactions 106 (1997), pp.635-648 ISSN: 0096-736X

	English
	Journal Article
	Fraunhofer LBF ()
	Antriebswelle; Bauteil; Beanspruchungskollektiv; Betriebsbeanspruchung; Betriebslastenanalyse; constant amplitude loading; Dehnung; drive shaft; Einstufenbeanspruchung; Fahrzeugbau; fatigue life estimation; fatigue strength; gear; Getriebe; Haigh diagram; Haigh-Schaubild; Last; Lastfolge; Lastzeitfunktion; Lebensdauerabschätzung; load; load sequence; load time history; loading spectrum; machine building; Maschinenbau; measurement; Mehrstufenbeanspruchung; Messung; metal; Metall; Oberflächenbehandlung; operational load analysis; operational loading; safety; Schwingfestigkeit; Sicherheit; Spannung; Spannungsanalyse; strain; stress; stress analysis; structural component; surface treatment; test; variable amplitude loading; vehicle construction; Versuch

Abstract
In a collaborative investigation of ZF Friedrichshafen AG and the Fraunhofer-Institut für Betriebsfestigkeit LBF, both constant and variable amplitude fatigue tests were performed on induction-hardened automatic transmission shafts made from Ck 35 mod. steel. The objectives of the project were to evaluate the safety reserves of the shafts and to apply several selected methods to assess fatigue life, to compare these methods and to gain insights for future component developments.

: http://publica.fraunhofer.de/documents/PX-14024.html