Rapid method for comparative studies on stress relief heat treatment of additively manufactured 316L

Edin, Emil; Svahn, Fredrik; Åkerfeldt, Pia; Eriksson, Mirva; Antti, Marta‐Lena

doi:10.1016/j.msea.2022.143313

Cited by 13 publications

(2 citation statements)

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“…These include the presence of defects, such as a lack of fusion (LoF), voids, mechanical anisotropy 2 , the high cost of raw materials used in the process. In addition, parts built through the AM process are prone to high residual stress (RS) 3 , due to the variable thermal history resulting from rapid melting and cooling. RS stimulates microcracks in the material 2 .…”

Section: Introductionmentioning

confidence: 99%

“…It also shows a low susceptibility to hydrogen embrittlement while exposed to a hydrogen rich setting, which makes it ideal for certain industrial applications. Moreover, this steel has become a popular choice for additive manufacturing processes due to its excellent weldability and general versatility 3 . However, despite the extensive research on the fatigue characteristics of AM 316L stainless steel, there is a dearth of experimental information that is required to comprehend VHCF behavior 8 , 9 .…”

Section: Introductionmentioning

confidence: 99%

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Scaling of damage mechanism for additively manufactured alloys at very high cycle fatigue

Voloskov,

Bannikov,

Bayandin

et al. 2024

Sci Rep

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A comparative analysis of fracture mechanisms in high- and very high- cycle fatigue (HCF, VHCF) regimes was carried out based on the results of multifractal analysis of the fracture surfaces of additively manufactured 316L stainless steel samples. In terms of scale invariants, the morphology of fracture surfaces in HCF and VHCF regimes inside and outside the fine granular area is shown. The analysis demonstrated that chaotic patterns of relief formation prevail in the crack initiation zone of VHCF samples. However, there is a self-similar relief with a pronounced correlation in the crack propagation area. The relief of the crack growth areas for HCF and VHCF samples are similar to each other.

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Section: Introductionmentioning

confidence: 99%