Experimental observations of contact fatigue crack mechanisms for austempered ductile iron (ADI) discs

• Type: Article in International Scientific Journal
• Date: 2000

Authors

Luis Magalhães (Author) Other; Jorge Seabra (Author) FEUP; Carlos Sá (Author) FEUP

Journal

Title: Wear

Vol. 246 No. 1-2

Pages: 134-148

ISSN: 0043-1648

Publisher: Elsevier

Indexing

ISI Web of Knowledge - 37 Citations

ISI Web of Science

Scopus - 21 Citations

Scientific classification

FOS: Engineering and technology > Mechanical engineering

Other information

Authenticus ID: P-000-YPG

DOI: 10.1016/s0043-1648(00)00493-2

Abstract (EN): Collected from several twin-disc contact fatigue tests, images concerning crack development at ADI surfaces and sub-surfaces are presented. Several auxiliary surface analysis techniques were used (electronic scanning microscopy, video imaging and perfilometry). Defects found at these ADI samples are characterised and related to operating conditions. Elastohydrodinamic theory was used to evaluate surface tribological performance, involving parameters such as lubrication, roughness and general operating conditions. Results concerning a quick procedure to allow the evaluation of fatigue resistance properties among different ADI sample discs are also presented.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 15