Influence of cold working on fatigue behavior of stainless steels used for prothesis: application to the study of wires with small sections.

Abstract	Orthodontists mainly use stainless austenitic wires with a wide range of ultimate tensile strength. To characterize the dynamical behavior of these wires, the authors have perfected machines to test materials with their original surface roughness without any prior machining of surfaces. Fatigue limits are discussed through mechanical and structural properties of the austenitic steels, with special attention given to cold working. Typical features of fracture, and particularly of the first cracks, are shown by means of scanning electron microscopy.
Authors	B Coquillet, L Vincent, P Guiraldenq
Journal	Journal of biomedical materials research (J Biomed Mater Res) Vol. 13 Issue 4 Pg. 657-68 (Jul 1979) ISSN: 0021-9304 [Print] United States
PMID	457707 (Publication Type: Journal Article)
Chemical References	Alloys Chromium Stainless Steel Nickel
Topics	Alloys Chromium Cold Temperature Metallurgy Nickel Prostheses and Implants Stainless Steel Stress, Mechanical Surface Properties Tensile Strength

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