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untranslated SRS-312.pdf (4MB) Structural Research Series 312 PDF

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Title: Fatigue Behavior of Mechanically Peened HY-80 Weldments Subjected to Axial Loading
Author(s): Radziminski, J.B.; Ridha, R.A.; Osman, H.A.; Meinheit, D.F.; Munse, W.H.
Subject(s): Steel, HY-80
Weldments
Fatigue
Issue Date: 1966-08
Publisher: University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign.
Series/Report: Civil Engineering Studies SRS-312
Genre: Technical Report
Type: Text
Language: English
Description: An evaluation of the axial fatigue behavior of mechanically peened transverse tee-weldments and transverse butt-welded joints in HY-80 steel is presented. The data show that mechanical peening along the toe of the weld results in an improvement In the fatigue resistance of both types of weldment relative to the behavior of similar joints tested in the as-welded condition. The process of fatigue crack initiation and propagation was examined for several of the mechanically peened weldments. In the majority of members cracks nucleated at the toe of the weld in the trough formed by the peening operation. Nucleation normally occurred within the first 20 percent of the cyclic lifetime of a specimen, and was followed by a long period of slow, erratic crack propagation, eventually culminating in a short final stage of rapid extension to failure.
URI: http://hdl.handle.net/2142/14064
Sponsor: Bureau of Ships, U.S. Navy.
Contract NObs 92240
Project Serial No. SR-007-01-01, Task 853
Date Available in IDEALS: 2009-10-22


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