A study on fretting fatigue life for the Inconel alloy 600 at high temperature

Title
A study on fretting fatigue life for the Inconel alloy 600 at high temperature
Author(s)
권재도박대규[박대규]우승완[우승완]윤동환[윤동환]정일섭
Keywords
NICKEL-BASED ALLOYS; WEAR
Issue Date
201010
Publisher
ELSEVIER SCIENCE SA
Citation
NUCLEAR ENGINEERING AND DESIGN, v.240, no.10, pp.2521 - 2527
Abstract
Fatigue tests of the Inconel 600, a type of nickel-chromium based heat resistant alloy used for steam generator tubes in nuclear power plants, were carried out. Temperature increase to 320 degrees C did not change the fatigue strength much, but the fretting condition caused a significant reduction in the fatigue strength. The reduction at 10(7) cycles was about 70% for both of room and the high temperatures. An apparatus to realize the fretting condition has been developed and instrumented to measure the normal and friction forces. The bridge type of contact pad was fabricated of SUS 409 stainless steel. Fracture surfaces and wear scars were observed by electron microscope and the profiles of wear scar were measured by non-contact 3D-profiler. (C) 2010 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/23487http://dx.doi.org/10.1016/j.nucengdes.2010.05.013
ISSN
0029-5493
Appears in Collections:
공과대학 > 기계공학부 > Articles
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