In:
PLOS ONE, Public Library of Science (PLoS), Vol. 16, No. 6 ( 2021-6-30), p. e0252772-
Abstract:
Surface condition is one of the dominant factors affecting fatigue life. Considering the complexity of surface condition, a relatively efficient and economic approach based on surface reconstruction and interpolation method was proposed. The effect of surface roughness on the fatigue life of 6061-T6 aluminum alloy is studied to analyze the fatigue life by surface roughness parameters. Surface topography was simplified into a series of elliptic micro notches, and empirical formula for stress concentration factor is established based on simulation work. Then the extraction method of surface curve is proposed to effectively represent the real surface roughness through 3D model reconstruction. Experiment of surface roughness verified the correctness of the model. The relationship between surface roughness and fatigue life is established and the calculated value of the fatigue life is compared with the test results. The maximum error is 15.65%, indicating that the formula established is reasonable and effective.
Type of Medium:
Online Resource
ISSN:
1932-6203
DOI:
10.1371/journal.pone.0252772
DOI:
10.1371/journal.pone.0252772.g001
DOI:
10.1371/journal.pone.0252772.g002
DOI:
10.1371/journal.pone.0252772.g003
DOI:
10.1371/journal.pone.0252772.g004
DOI:
10.1371/journal.pone.0252772.g005
DOI:
10.1371/journal.pone.0252772.g006
DOI:
10.1371/journal.pone.0252772.g007
DOI:
10.1371/journal.pone.0252772.g008
DOI:
10.1371/journal.pone.0252772.g009
DOI:
10.1371/journal.pone.0252772.g010
DOI:
10.1371/journal.pone.0252772.g011
DOI:
10.1371/journal.pone.0252772.g012
DOI:
10.1371/journal.pone.0252772.g013
DOI:
10.1371/journal.pone.0252772.g014
DOI:
10.1371/journal.pone.0252772.g015
DOI:
10.1371/journal.pone.0252772.t001
DOI:
10.1371/journal.pone.0252772.t002
DOI:
10.1371/journal.pone.0252772.t003
DOI:
10.1371/journal.pone.0252772.t004
DOI:
10.1371/journal.pone.0252772.t005
DOI:
10.1371/journal.pone.0252772.t006
DOI:
10.1371/journal.pone.0252772.t007
DOI:
10.1371/journal.pone.0252772.s001
Language:
English
Publisher:
Public Library of Science (PLoS)
Publication Date:
2021
detail.hit.zdb_id:
2267670-3
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