2020
DOI: 10.1016/j.tafmec.2020.102477
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Abstract: This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, a… Show more

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Cited by 112 publications
(48 citation statements)
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“…Having created an automated scheme for generating geometry, it is necessary to test that geometries created this way are similar to the geometries observed in real materials. Figure 1, taken from a paper by Romano et al, 13 shows porosity in additively manufactured 17‐4 PH stainless steel. The parts of the figure that are of most interest are (A) and the enlargement (C), which illustrate the as‐manufactured sub‐surface.…”
Section: Modeling Approachmentioning
confidence: 99%
“…Having created an automated scheme for generating geometry, it is necessary to test that geometries created this way are similar to the geometries observed in real materials. Figure 1, taken from a paper by Romano et al, 13 shows porosity in additively manufactured 17‐4 PH stainless steel. The parts of the figure that are of most interest are (A) and the enlargement (C), which illustrate the as‐manufactured sub‐surface.…”
Section: Modeling Approachmentioning
confidence: 99%
“…The primary origin for crack initiation in powder bed AM materials is the rough, as-produced, surface [ 3 , 4 ]. For a material for which the surface is treated or removed in order to smoothen it, volumetric defects such as a lack of fusion, gas porosity, keyhole porosity, or inclusions are the primary sources for crack initiation [ 4 , 5 , 6 ]. In 2016, Seifi et al [ 7 ] highlighted the need to account for AM defect populations in fatigue life modeling.…”
Section: Introductionmentioning
confidence: 99%
“…Fracture mechanical models (Kitagawa–Takahashi-type diagrams) have been shown to yield good results for fatigue strength predictions [ 8 , 9 , 10 , 11 , 12 ]. For deterministic modeling of fatigue life, fatigue crack growth (FCG) methods have been used [ 6 , 12 , 13 , 14 ]. These models are based on defect size measurements.…”
Section: Introductionmentioning
confidence: 99%
“…[20][21][22][23] Taking advantage of the design freedom in AM, parts are likely to contain notched regions and in addition manufacturing defects. Due to this, it is important to address issues related to size effects, both for determining the critical size and location of the defects 24,25 and for determining the appropriate dimensions of testing specimens 22,23 In this work, the fatigue behaviour of AM Inconel 718 are investigated in the AB and the heat-treated (HT) states. This was done for both notched and unnotched specimens.…”
Section: Introductionmentioning
confidence: 99%