Effects of proton irradiation on nanoindentation strain-rate sensitivity and microstructural properties in L-PBF 17–4 PH stainless steels

Uddin, Mohammad Jashim; Siller, Héctor R.; Mirshams, Reza A.; Byers, Todd A.; Rout, B.

doi:10.1016/j.msea.2022.142719

Cited by 5 publications

(5 citation statements)

References 56 publications

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“…Mohammad Jashim Uddin et al [ 159 ] considered the process parameters including volumetric energy density (VED), scanning speed, and hatch distance in L-PBF approaches. The fraction of the austenite phase is only 1.9% after low VED in the as-printed PH17-4 part according to the EBSD quantitative analysis.…”

Section: Effects Of Different Preparation Methods On Microstructure A...mentioning

confidence: 99%

“… EBSD micrographs of nanoindentation region (at 0.5 s −1 strain rate) of as-printed L-PBF PH17-4 PHSS part with VED = 54.76 J/mm 3 [ 159 ]: ( a ) IPF image in the (X–Y) plane perpendicular to the print direction, ( b ) phase map, ( c ) texture pole figure, ( d ) inverse texture pole figure, and ( e ) IPF color maps of phases. (Reprinted with permission from Ref.…”

Section: Figurementioning

confidence: 99%

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Recent Advances on Composition-Microstructure-Properties Relationships of Precipitation Hardening Stainless Steel

et al. 2022

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Precipitation hardening stainless steels have attracted extensive interest due to their distinguished mechanical properties. However, it is necessary to further uncover the internal quantitative relationship from the traditional standpoint based on the statistical perspective. In this review, we summarize the latest research progress on the relationships among the composition, microstructure, and properties of precipitation hardened stainless steels. First, the influence of general chemical composition and its fluctuation on the microstructure and properties of PHSS are elaborated. Then, the microstructure and properties under a typical heat treatment regime are discussed, including the precipitation of B2-NiAl particles, Cu-rich clusters, Ni3Ti precipitates, and other co-existing precipitates in PHSS and the hierarchical microstructural features are presented. Next, the microstructure and properties after the selective laser melting fabricating process which act as an emerging technology compared to conventional manufacturing techniques are also enlightened. Thereafter, the development of multi-scale simulation and machine learning (ML) in material design is illustrated with typical examples and the great concerns in PHSS research are presented, with a focus on the precipitation techniques, effect of composition, and microstructure. Finally, promising directions for future precipitation hardening stainless steel development combined with multi-scale simulation and ML methods are prospected, offering extensive insight into the innovation of novel precipitation hardening stainless steels.

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Section: Effects Of Different Preparation Methods On Microstructure A...mentioning

confidence: 99%

Section: Figurementioning

confidence: 99%

Recent Advances on Composition-Microstructure-Properties Relationships of Precipitation Hardening Stainless Steel

et al. 2022

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“…AM technology is classified majorly into three processing routes such as liquid (fused deposition modelling, stereolithography), solid (laminate object manufacturing) and powder (binder jetting, selective laser route (melting and sintering, electron beam melting and so on) 2,3 . The Selective Laser Melting (SLM) technique combines the desirable features Journal of Mines, Metals and Fuels, 71 (12): 2405-2413; 2023. DOI: 10.18311/jmmf/2023/35123 of both casting (rapid heating and cooling with short duration at liquid state) and powder metallurgy (ensures homogeneous mixing and milling of metal powders resulting in particle fracture and deformation causes cold welding and powder compaction) techniques to build the metal parts 4,5 .…”

Section: Introductionmentioning

confidence: 99%

“…SLM technology build parts are widely accepted in many industrial parts (such as aerospace, automotive, marine, jewellery and so on) 9 . Precipitate-hardened steels (in particular, 17-4 PH stainless steel) possess distinguished properties and are therefore being widely used in structural and commercial engineering applications [10][11][12][13] . However, the surface quality of 17-4 PH steels-based SLM build parts is found inferior which limits most of the engineering applications and requires significant research attention 14 .…”

Section: Introductionmentioning

confidence: 99%

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Surface Roughness Optimization of Selective Laser Melting Printed 17-4 PH Stainless Steel Parts

Sahadevan,

Selvan,

Bhaumik

et al. 2023

jmmf

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The 17-4 PH stainless steel possesses distinguished applications due to its inherent properties. Higher surface roughness in Selective Laser Melting (SLM) parts limits their use in a wide range of applications. Higher surface roughness deteriorates the important functional properties (strength, fatigue, corrosion resistance and so on). Therefore, an attempt is being made to reduce the surface roughness during the processing stage itself, rather than the dependency of costly secondary post-processing routes. Taguchi L9 experiments are conducted to analyze the laser power, scan speed and hatch distance influence on the surface roughness of SLM parts. Laser power showed the highest percentage contribution equal to 83.37%, followed by scan speed of 9.92% and hatch distance of 6.71%, respectively. Taguchi method determined optimal conditions (laser power: 270 W, scan speed: 1000 mm/s and hatch distance: 0.08 mm) through Pareto analysis of variance resulted in low values of surface roughness with a value equal to 4.11 µm. The results of the optimal condition can be used by any novice user to obtain better surface quality in SLM parts. Further, the Taguchi method can be applied to optimize any process with limited experimental trials and resources.

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Insight into the microstructure and micromechanical behavior and mechanism of the constitutional phase of FeNiCrAl0.63 multi-principal element alloy

Cui,

Zhou,

Wang

et al. 2024

Intermetallics

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Effects of proton irradiation on nanoindentation strain-rate sensitivity and microstructural properties in L-PBF 17–4 PH stainless steels

Cited by 5 publications

References 56 publications

Recent Advances on Composition-Microstructure-Properties Relationships of Precipitation Hardening Stainless Steel

Recent Advances on Composition-Microstructure-Properties Relationships of Precipitation Hardening Stainless Steel

Surface Roughness Optimization of Selective Laser Melting Printed 17-4 PH Stainless Steel Parts

Insight into the microstructure and micromechanical behavior and mechanism of the constitutional phase of FeNiCrAl0.63 multi-principal element alloy

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