Low temperature mechanical properties of 316L type stainless steel after hydrostatic extrusion

Czarkowski, P.; Krawczyńska, Agnieszka; Slesinski, R.; Brynk, Tomasz; Budniak, J.; Lewandowska, M.; Kurzydłowski, Krzysztof J.

doi:10.1016/j.fusengdes.2010.12.067

Cited by 46 publications

(14 citation statements)

References 11 publications

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“…Former studies concluded that hydrogen exposure decreased the impact toughness of steels [19,20]; however, others found that the effect of hydrogen exposure on the impact toughness of steels was negligible [5,21]. Nevertheless, the For the transportation and storage of LH 2 , 316L stainless steel is considered one of the most attractive material candidates for liquid hydrogen-containing vessels because of its high resistance to HE [3] and good mechanical properties at low temperatures [4]. Understanding the effect of cryogenic temperature and HE on the performance of 316L stainless steel is very important in selecting 316L stainless steel as a material candidate for containing liquid hydrogen.…”

Section: Introductionmentioning

confidence: 99%

Charpy Impact Properties of Hydrogen-Exposed 316L Stainless Steel at Ambient and Cryogenic Temperatures

Nguyen

Hwang

Kim

et al. 2019

Metals

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316L stainless steel is a promising material candidate for a hydrogen containment system. However, when in contact with hydrogen, the material could be degraded by hydrogen embrittlement (HE). Moreover, the mechanism and the effect of HE on 316L stainless steel have not been clearly studied. This study investigated the effect of hydrogen exposure on the impact toughness of 316L stainless steel to understand the relation between hydrogen charging time and fracture toughness at ambient and cryogenic temperatures. In this study, 316L stainless steel specimens were exposed to hydrogen in different durations. Charpy V-notch (CVN) impact tests were conducted at ambient and low temperatures to study the effect of HE on the impact properties and fracture toughness of 316L stainless steel under the tested temperatures. Hydrogen analysis and scanning electron microscopy (SEM) were conducted to find the effect of charging time on the hydrogen concentration and surface morphology, respectively. The result indicated that exposure to hydrogen decreased the absorbed energy and ductility of 316L stainless steel at all tested temperatures but not much difference was found among the pre-charging times. Another academic insight is that low temperatures diminished the absorbed energy by lowering the ductility of 316L stainless steel.

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Section: Introductionmentioning

confidence: 99%

Charpy Impact Properties of Hydrogen-Exposed 316L Stainless Steel at Ambient and Cryogenic Temperatures

Nguyen

Hwang

Kim

et al. 2019

Metals

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“…Yield stress as a function of equivalent strain for a) Al, b) Cu, and c) F138. Data from the present study (▪) and from the literature (♢) and a theoretical curve drawn using the flow equation with the fitting parameters suggested by Csanádi et al…”

Section: Resultsmentioning

confidence: 99%

“…Figure shows the experimental σ y data for AA1050 Al, Cu, and F138 together with literature data relative to the von Mises strain. This is superimposed on the flow relationship given by Equation .…”

Section: Resultsmentioning

confidence: 99%

Severe Plastic Deformation by Equal Channel Angular Pressing and Rolling: The Influence of the Deformation Path on Strain Distribution

et al. 2017

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The present work compares two deformation techniques, rolling and Equal Channel Angular pressing (ECAP), and the response offered by three different materials that differ in Stacking Fault Energy (SFE): AA1010 Al, commercially pure Cu, and an austenitic stainless steel. The objective of this investigation is to study the effect of each deformation mode on tensile behavior, deformation mechanism, texture, and microstructure and to establish the influence of the stacking fault energy on said effects. The results show that the different strain paths of ECAP and rolling do not affect the strength, but rolling leads to an accentuated texture and thus to elastic and plastic anisotropy. This finding has practical relevance for micro manufacturing techniques. Furthermore, it is observed that lower SFE results in smaller domain size and higher dislocation density, which are microstructural details related to strength and to the work hardening capacity. Finally, both techniques are able to produce a high amount of high angle grain boundaries, a feature that characterizes refined microstructures. These processes operate at different strain rates; thus, in low SFE materials, a more effective grain fragmentation by deformation-induced twins is observed after the ECAP process.

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“…Moreover, the fracture tests data have been used to determine the crack-growth resistance J − R curves and the fracture toughness of the investigated materials using four different methods here referred to as ASTM Compliance Cooper et al (2018), DeMania (1995, Mei and Morris Jr (1990), Fultz and Morris Jr (1986), Behjati et al (2011), Ogata et al (1985 and Ogata et al (1990). Data corresponding to tensile samples tested under quasi-static loading at different temperatures: (a) T = 300 K, (b) T = 77 K and (c) T = 4 K. Wang et al (2008), Wang et al (2010), Botshekan et al (1997), Botshekan et al (1998), Obst and Pattanayak (1982), Pattanayak (1984), Czarkowski et al (2011), Park et al (2011 and Couturier and Sgobba (2000). Data corresponding to tensile samples tested under quasi-static loading at different temperatures: (a) T = 300 K, (b) T = 77 K and (c) T = 4 K.…”

Section: Discussionmentioning

confidence: 99%

“…Figure A.23: Comparison between the stress-strain curves obtained in this paper for AISI 316LN and experimental results taken from the works ofWang et al (2008),Wang et al (2010),Botshekan et al (1997),Botshekan et al (1998),Obst and Pattanayak (1982),Pattanayak (1984),Czarkowski et al (2011), Park et al (2011 andCouturier and Sgobba (2000). Data corresponding to tensile samples tested under quasi-static loading at different temperatures: (a) T = 300 K, (b) T = 77 K and (c) T = 4 K.…”

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confidence: 93%

Flow and fracture of austenitic stainless steels at cryogenic temperatures

Fernández-Pisón¹,

Rodríguez-Martínez²,

García-Tabares³

et al. 2021

Preprint

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In this paper, we have characterized the microstructural evolution and the plastic flow and fracture behaviours of AISI 304L and AISI 316LN stainless steel grades at liquid nitrogen temperature (77 K) and at liquid helium temperature (4 K). Uninterrupted tensile experiments, where the sample is continuously deformed under quasi-static loading conditions until fracture, have been carried out with a Single-Section Sample to obtain the stress-strain characteristics of the two grades. Interrupted tensile experiments, in which the sample is unloaded before fracture, have been performed with a novel Double-Section Sample to later characterize the strain-induced martensitic transformation at different levels of deformation. The content of martensite has been determined post-mortem, using magnetic induction, electron backscatter diffraction and quantitative light optical micrography. The results obtained with the three methods show quantitative agreement, and reveal that the martensitic transformation in AISI 304L occurs faster and to a greater extent than in AISI 316LN both at 77 K and at 4 K. To the authors' knowledge, in this paper we provide the first experimental results for the evolution of the content of strain-induced martensite in AISI 304L and AISI 316LN samples tested at liquid helium temperature. In addition, the experimental data for the evolution of the martensite volume fraction with the strain have been used to identify the temperature-dependent parameters of the martensitic transformation kinetic models proposed by Olson and Cohen (1975) and Garion and Skoczen (2002). Moreover, Mode I fracture tests with fatigue-precracked Compact Samples have been carried out to determine the fracture properties of the two investigated materials using the "resistance curve procedure" (ASTM-E1820-20a, 2020). The crack-growth resistance curves have been obtained with four different methods here referred to as ASTM Compliance Method, W-N Compliance Method, Modified W-N Compliance Method and ASTM Normalization Method, which is an original methodological contribution of this paper. While the four approaches yield similar results for the fracture toughness, only the W-N Compliance Method and the Modified W-N Compliance Method, the latter being proposed in this paper, fulfil all the requirements of the standard ASTM-E1820-20a (2020) so that the calculated fracture toughness can be accepted as a material property. The comparison of results for both materials and testing temperatures shows that the AISI 316LN displays higher fracture toughness than the AISI 304L. Moreover, post-mortem microstructural analysis of the Compact Samples near the fracture surface has revealed that the content of martensite is greater in AISI 304L than in AISI 316LN. Furthermore, for AISI 304L more martensite is formed in the sample tested at 77 K because the plastic deformation near the crack is greater than at 4 K.

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Low temperature mechanical properties of 316L type stainless steel after hydrostatic extrusion

Cited by 46 publications

References 11 publications

Charpy Impact Properties of Hydrogen-Exposed 316L Stainless Steel at Ambient and Cryogenic Temperatures

Charpy Impact Properties of Hydrogen-Exposed 316L Stainless Steel at Ambient and Cryogenic Temperatures

Severe Plastic Deformation by Equal Channel Angular Pressing and Rolling: The Influence of the Deformation Path on Strain Distribution

Flow and fracture of austenitic stainless steels at cryogenic temperatures

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