Hertel, Olaf (2016):
Prognose der Anrisslebensdauer gekerbter Bauteile bei mehrachsig nichtproportionaler Betriebslastung.
In: Veröffentlichung des Instituts für Stahlbau und Werkstoffmechanik der Technischen Universität Darmstadt, 110, Darmstadt, TU Darmstadt, Institut für Stahlbau und Werkstoffmechanik, TU Darmstadt, ISBN 978-3-939195-48-1,
[Ph.D. Thesis]

Hertel, Olaf and Vormwald, Michael (2014):
Multiaxial fatigue assessment based on a short crack growth concept.
73, In: Theoretical and Applied Fracture Mechanics, Elsevier, pp. 17-26, [Article]

Hertel, Olaf and Vormwald, Michael (2012):
Statistical and geometrical size effects in notched members based on weakest-link and short-crack modeling.
95, In: Engng. Frac. Mech, Elsevier, pp. 72-83, [Article]

Vormwald, Michael and Hertel, Olaf and Kaffenberger, Matthias (2012):
Transferability of fatigue data.
ISBN 978-989-97701-0-2, In: Proc. XIII Portuguese Conf. on Fracture, Coimbra, pp. 13-21, [Conference or Workshop Item]

Herz, Elisabeth and Hertel, Olaf and Vormwald, Michael (2011):
Numerical simulation of plasticity induced fatigue crack opening and closure for autofrettaged inter-secting holes.
78, In: Engineering Fracture Mechanics, (3), Elsevier, pp. 559-572, ISSN 0013-7944, [Article]

Hertel, Olaf and Vormwald, Michael (2011):
Short crack growth based fatigue assessment of notched components under multiaxial variable ampli-tude loading.
78, In: Engineering Fracture Mechanics, Elsevier, pp. 1614-1627, [Article]

Hertel, Olaf and Vormwald, Michael (2010):
Fatigue lifetime assessment of notched components under multiaxial variable loading based on a short crack growth concept.
In: 9th Int. Conf. on Multiaxial Fatigue & Fracture (ICMFF9), , Parma, pp. 397-406, [Conference or Workshop Item]

Hertel, Olaf and Vormwald, Michael Deutscher Verband für Materialforschung und –prüfung e.V. DVM (Corporate Creator) (2010):
Size effect in Fatigue described by support factors derived from short crack growth consideration.
In: Proceedings (CD) 18th European Conference on Fracture, [Conference or Workshop Item]

Versch, Christian and Hertel, Olaf and Vormwald, Michael and Hänel, Bernd and Kullig, Eckehard and Esderts, Alfons and Hinkelmann, Karsten and Siegele, Dieter and Hohe, Jörg Forschungskuratorium Maschinenbau, FKM, Frankfurt am Main (Corporate Creator) (2010):
Verbessertes Berechnungskonzept FKM-Richtlinie.
In: Abschlussbericht Vorhaben Nr. 282, , (306), Frankfurt am Main, Forschungskuratorium Maschinenbau, [Report]

Kullig, Eckehard and Vormwald, Michael and Hertel, Olaf and Esderts, Alfons and Hinkelmann, Karsten (2010):
Weiterentwicklung des Ermüdungsfestigkeitsnachweises.
In: Tagung Deutscher Verband für Materialforschung und -prüfung e.V. DVM, Darmstadt, pp. 139-149, [Conference or Workshop Item]

Hertel, Olaf and Vormwald, Michael (2009):
Developments in the fatigue procedures of the FKM-guideline analytical strength assessment of components in mechanical engineering.
ISBN 978-960-243-662-2, In: Proceedings 3rd Int. Conf. on Power Transmission ´09, Kalithea/Greece, pp. 263-270, [Conference or Workshop Item]

Zerres, Patrick and Savaidis, Georgios and Savaidis, Alexander and Hertel, Olaf and Vormwald, Michael Sonsino, Cetin Morris (ed.) Deutscher Verband für Materialforschung und-prüfung e.V., (Corporate Creator) (2009):
Fatigue crack opening and growth calculation in notched components under variable amplitude loading.
In: ISBN 978-3-00-027049-9, In: 2nd Int. Conf. on Material and Component Performance under Variable Amplitude loading, Proc. Vol. 1, In: 2nd Int. Conf. on Material and Component Performance under Variable Amplitude loading, Darmstadt, 23.-26.3.2009, pp. 315-324, [Conference or Workshop Item]

Hertel, Olaf and Vormwald, Michael Sonsino, Cetin Morris (ed.) Deutscher Verband für Materialforschung und-prüfung e.V (Corporate Creator) (2009):
Fatigue life assessment of notched components under multiaxial variable amplitude loading based on a short crack growth concept.
In: ISBN 978-3-00-027049-9, In: 2nd Int. Conf. on Material and Component Performance under Variable Amplitude loading, Proc. Vol. 1, In: 2nd Int. Conf. on Material and Component Performance under Variable Amplitude loading, Darmstadt, 23.-26.3.2009, pp. 359-370, [Conference or Workshop Item]

Herz, Elisabeth and Hertel, Olaf and Vormwald, Michael and Thumser, Rayk and Bergmann, Joachim W. Sonsino, Cetin Morris (ed.) Verband für Materialforschung und-prüfung e.V (Corporate Creator) (2009):
Fatigue life of high pressure Diesel injection components under variable amplitude loading.
In: ISBN 978-3-00-027049-9, In: 2nd Int. Conf. on Material and Component Performance under Variable Amplitude loading, Proc. Vol. 2, In: 2nd Int. Conf. on Material and Component Performance under Variable Amplitude loading, Darmstadt, 23.-26.3.2009, pp. 1265-1274, [Conference or Workshop Item]

Hertel, Olaf and Vormwald, Michael Mihailidis, A. (ed.) (2009):
Fatigue of notched shafts under nonproportional fatigue loading.
In: Proceedings 3rd Int. Conf. on Power Transmission ´09, Kalithea/Greece, pp. 315-322, [Conference or Workshop Item]

Vormwald, Michael and Hertel, Olaf Beier, Heinz Thomas and Vormwald, Michael (eds.) Institut für Stahlbau und Werkstoffmechanik, TU Darmstadt, Fraunhofer Institut für Betriebsfestigkeit und Systemzuverlässigkeit, Materialprüfanstalt MPA-IfW Darmstadt (Corporate Creators) (2008):
Short crack approach for multiaxial fatigue assessment.
In: ISBN 3-939195-08-1, In: Proceedings on 2nd Structural Durability in Darmstadt SoSDiD, In: 2nd Symposium on Structural Durability, Darmstadt, 5.-6.6.2008, pp. 33-49, [Conference or Workshop Item]

Hertel, Olaf and Vormwald, Michael (2008):
Short crack approach for multiaxial fatigue assessment – Kurzrisskonzept zur Lebensdauerbewertung bei.
39, In: Mat.-wiss. u. Werkstofftech. , (10), WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, pp. 702-710, ISSN DOI: 10.1002/mawe.200800351, [Article]

Bergmann, Joachim W. and Thumser, Rayk and Herz, Elisabeth and Hertel, Olaf and Vormwald, Michael Beier, Heinz Thomas and Vormwald, Michael (eds.) Institut für Stahlbau und Werkstoffmechanik, TU Darmstadt, Fraunhofer Institut für Betriebsfestigkeit und Systemzuverlässigkeit, Materialprüfanstalt MPA-IfW Darmstadt (Corporate Creators) (2008):
Variable amplitude fatigue of autofrettaged Diesel injection parts.
In: ISBN 3-939195-08-1, In: Proceedings on 2nd Structural Durability in Darmstadt SoSDiD, In: 2nd Symposium on Structural Durability in Darmstadt, Darmstadt, 5.-6.6.2008, pp. 67-80, [Conference or Workshop Item]

Thumser, Rayk and Bergmann, Joachim W. and Herz, Elisabeth and Hertel, Olaf and Vormwald, Michael (2008):
Variable amplitude fatigue of autofrettaged diesel injection parts.
39, In: Mat.-wiss. u. Werkstofftech., (10), WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, pp. 719-725, ISSN DOI: 10.1002/mawe.200800353, [Article]

Ye, Duji and Hertel, Olaf and Vormwald, Michael (2008):
A unified expression of elastic-plastic notch stress-strain calculation in bodies subjected to multiaxial.
45, In: Int. J. Solids and Structures, pp. 6177-6189, [Article]

Vormwald, Michael and Hertel, Olaf (2007):
Einfluss von Spannungsgradienten auf das Ermüdungsrisswachstum unter mehrachsig nichtproportionaler Beanspruchung.
In: DVM-Bericht, In: 39. Tagung des DVM-Arbeitskreises Bruchvorgänge : Bruchmechanik und Bauteilsicherheit ; Themenschwerpunkt: Ermüdungsbruch; 13. und 14. Februar 2007 an der Technischen Universität Dresden / Obmann des Arbeitskreises: Meinhard Kuna, Berlin, DVM, pp. 183-196, [Conference or Workshop Item]

Vormwald, Michael and Hertel, Olaf and Savaidis, Georgios (2007):
Fließbruchmechanische Modellierung des Ermüdungsrisswachstums.
In: DVM-Bericht, In: 39. Tagung des DVM-Arbeitskreises Bruchvorgänge : Bruchmechanik und Bauteilsicherheit ; Themenschwerpunkt: Ermüdungsbruch; 13. und 14. Februar 2007 an der Technischen Universität Dresden / Obmann des Arbeitskreises: Meinhard Kuna, Berlin, DVM, pp. 103-122, [Conference or Workshop Item]

Hertel, Olaf and Vormwald, Michael (2007):
Stress gradient influence on fatigue crack growth under multiaxial non-proportional loading.
In: 8th International Conference on Multiaxial Fatigue and Fracture , Sheffield, [Conference or Workshop Item]

Jiang, Yanyao and Hertel, Olaf and Vormwald, Michael (2007):
An experimental evaluation of three critical plane multiaxial fatigue critera.
29, In: Int. J. Fatigue , Elsevier Ltd, pp. 1490-1502, [Article]

Savaidis, Georgios and Savaidis, Alexander and Hertel, Olaf and Vormwald, Michael (2007):
A unified fatigue life calculation model for notched components based on elastic-plastic fracture mechanics.
In: ISBN 0-87849-448-0, Vol. 348-349, In: 6th International Conference on Fracture and Damage Mechanics, Portugal, pp. 525-528, [Conference or Workshop Item]

Hertel, Olaf and Döring, Ralph and Hoffmeyer, Jens and Seeger, Timm and Vormwald, Michael (2006):
Short fatigue cracks in notched/unnotched specimens under non-proportional loading.
In: ISBN 1-402049-714, In: Proc. Fracture of Nano and Engineering Materials and Structures ECF 16, [Conference or Workshop Item]

Brüning, Jutta and Hertel, Olaf and Vormwald, Michael and Savaidis, Georgios (2006):
Fatigue crack growth at notches considering plasticity induced closure.
In: ISBN 1-402049-714, In: Proc. Fracture of Nano and Engineering Materials and Structures ECF 16, [Conference or Workshop Item]

Hertel, Olaf and Döring, Ralph and Hoffmeyer, Jens and Seeger, Timm and Vormwald, Michael (2005):
Notch stress and strain approximation procedures for application with multiaxial nonproportional loading.
47, In: MP Materialprüfung, (5), Carl Hanser Verlag, pp. 268-277, [Article]

Hertel, Olaf and Döring, R. and Vormwald, Michael (2004):
Cyclic J-integral und nonproportional loading.
In: International Conference on Biaxial/Multiaxial Fatigue and Fracture <7, 2004, Berlin>: Proceedings, June 28 - July 1, 2004, Berlin, Germany / DVM, Deutscher Verband für Materialforschung und -prüfung e.V.- Berlin, 2004.- XVI, 680 S.- S. 280-288, [Conference or Workshop Item]

Hertel, Olaf and Döring, R. and Hoffmeyer, Jens and Seeger, Timm and Vormwald, Michael (2004):
Estimation of notch stresses and strains under multiaxial nonproportional loading.
In: International Conference on Biaxial/Multiaxial Fatigue and Fracture <7, 2004, Berlin>: Proceedings, June 28 - July 1, 2004, Berlin, Germany / DVM, Deutscher Verband für Materialforschung und -prüfung e.V.- Berlin, 2004.- XVI, 680 S.- S. 45-55, [Conference or Workshop Item]

Hertel, Olaf and Seeger, Timm and Vormwald, Michael (2004):
Festigkeitsberechnung Keystone - puffer UIC 526-1.
FI-131, Darmstadt, Techn. Univ., [Report]

Hertel, Olaf (2004):
Weiterentwicklung und Verifizierung eines Näherungsverfahrens zur Berechnung von Kerbbeanspruchungen bei mehrachsig nichtproportionaler Schwingbelastung.
FS-2/2, Darmstadt, Techn. Univ., [Book]

Hertel, Olaf and Döring, Ralph and Vormwald, Michael (2004):
Cyclic J-Integral under nonproportional loading.
In: Proceedings 7th International Conference of Biaxial/Multiaxial Fatigue and Fracture, pp. 513-518, [Conference or Workshop Item]