Property enhancement in Type 316L stainless steel by spray forming

Üçok, I.; Ando, Teiichi; Grant, N.J.

doi:10.1016/0921-5093(91)90070-4

Cited by 65 publications

(17 citation statements)

References 3 publications

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“…The effect of grain size on the mechanical properties of ASSs has been studied so far . Misra et al studied the mechanical behavior of AISI 301LN austenitic steel with grain sizes in the range of 0.6 to 1.6 μm.…”

Section: Introductionmentioning

confidence: 99%

“…Sharma et al studied the tensile properties of ultrafine‐grained AISI 304L stainless steel and showed that a microstructure with bimodal grain size distribution has a good combination of strength and ductility. Üçok et al considered grain sizes of 0.1 and 0.3 μm in AISI 316L stainless steel and compared their mechanical properties. Eskandari et al studied the reversion annealing of AISI 316L stainless steel and reported the tensile properties in the grain size range of 0.04 to 18 μm based on the microstructures that are not completely reversed.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Grain Size on Mechanical Properties and Work‐Hardening Behavior of AISI 304 Austenitic Stainless Steel

Naghizadeh

Mirzadeh

2019

steel research int.

126

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Grain size effects on the properties of AISI 304 austenitic stainless steel are studied. Yield stress (YS) and ultimate tensile strength (UTS) increased with decreasing grain size (Hall–Petch law) while the difference between YS and UTS decreased. Three distinct stages for work‐hardening rate are identified: I) initial rapid fall until reaching a minimum value, II) subsequent rise to a maximum due to the transformation‐induced plasticity (TRIP) effect, which is found to enhance by increasing grain size, and III) final fall until the onset of necking. More in‐depth analysis on the mechanical stability of austenite reveals that for below‐average grain size of ≈50 μm, by decreasing grain size, the TRIP effect diminishes; whereas for grain size larger than ≈50 μm, by increasing grain size, the TRIP effect becomes less pronounced. Due to the strong TRIP effect, high incremental work‐hardening exponents (n‐values of higher than 0.8) and low‐yield ratios (smaller than 0.5) are observed. It is also found that when the average grain size increases, the tensile toughness and the size and depth of dimples increase. The latter is responsible for the tardiness of the microcavity coalescence, which is indicative of high ductility of this austenitic alloy.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of Grain Size on Mechanical Properties and Work‐Hardening Behavior of AISI 304 Austenitic Stainless Steel

Naghizadeh

Mirzadeh

2019

steel research int.

126

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“…The temporal phase shifting was performed with a mirror mounted on a piezoelectric actuator. This technique gives immediately access to the phase difference Δφ(x,y) in Equation (4). A resolution of nearly 1/20 of a fringe can be reached.…”

Section: Data Recordingmentioning

confidence: 99%

“…However, application of this material is hindered by its low mechanical strength and poor anti-friction properties. Strengthening of austenitic stainless steels has drawn much attention in the past decades and various approaches have been developed, such as varying its chemical compositions to induce solid solution hardening [1,2] or grain refinement [3][4][5].…”

Section: Introductionmentioning

confidence: 99%

Localization phenomenon investigation on Smated stainless samples by speckle interferometry

Petit

Montay

François

2010

EPJ Web of Conferences

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Abstract. In-plane Electronic Speckle Pattern Interferometry (ESPI) has been successfully used during tensile tests on SMA-treated (Surface Mechanical Attrition Treatment) and as received 316L stainless steel in order to measure the strain rate field. The heterogeneity in the strain rate field can be observed from a stage of deformation which doesn't coincide with the classic Considère's criterion (dF=0) for the diffuse neck initiation (or plastic instability). The initiation of this heterogeneity strongly depends on treatments undergone by the material. In this paper, a comparison was performed about the heterogeneity initiation of specimens SMATed during 30 minutes with 2 mm shot, 3 mm shot and a non-treated sample. The formation of the two slip band system until fracture of the tensile specimen was also studied.

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“…However, application of this material is hindered by its low mechanical strength and poor anti‐friction properties. Strengthening of austenitic stainless steels has drawn much attention in the past decades and various approaches have been developed, such as varying its chemical compositions to induce solid solution hardening [1, 2] or grain refinement [3–5].…”

Section: Introductionmentioning

confidence: 99%

Localisation Phenomenon Investigation on SMATed Stainless Steel Samples by Speckle Interferometry

Petit¹,

Montay²,

François³

2011

Strain

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In‐plane Electronic Speckle Pattern Interferometry (ESPI) has been successfully used during tensile tests on SMA‐treated (Surface Mechanical Attrition Treatment) and as‐received 316L stainless steel in order to measure the strain rate field. The heterogeneity in the strain rate field can be observed from a stage of deformation which doesn’t coincide with the classic Considère’s criterion (dF = 0) for the diffuse neck initiation (or plastic instability). The initiation of this heterogeneity strongly depends on treatments undergone by the material. In this paper, a comparison was performed about the heterogeneity initiation of specimens SMATed during 30 min with 2 mm shot, 3 mm shot and a non‐treated sample. The formation of the two slip band system until fracture of the tensile specimen was also studied.

show abstract

Property enhancement in Type 316L stainless steel by spray forming

Cited by 65 publications

References 3 publications

Effects of Grain Size on Mechanical Properties and Work‐Hardening Behavior of AISI 304 Austenitic Stainless Steel

Effects of Grain Size on Mechanical Properties and Work‐Hardening Behavior of AISI 304 Austenitic Stainless Steel

Localization phenomenon investigation on Smated stainless samples by speckle interferometry

Localisation Phenomenon Investigation on SMATed Stainless Steel Samples by Speckle Interferometry

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