Carbon-Dislocation Interaction-Induced Abnormal Strain-Rate Sensitivity in Twinning-Induced Plasticity Steels

Li, Yizhuang; Huang, Mingxin

doi:10.1007/s11661-019-05179-z

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Cited by 7 publications

(1 citation statement)

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“…The flow stress and work-hardening rate of the biomedical 316L alloy increased with increasing strain rate but decreased with increasing temperature [29,30]. The strain rate sensitive flow stresses of C-316L alloy were also reported in other studies [31][32][33].…”

Section: Introductionsupporting

confidence: 70%

The strain rate sensitive flow stresses and constitutive equations of a selective-laser-melt and an annealed-rolled 316L stainless steel: A comparative study

Güden

Enser

Bayhan

et al. 2022

Materials Science and Engineering: A

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Section: Introductionsupporting

confidence: 70%

The strain rate sensitive flow stresses and constitutive equations of a selective-laser-melt and an annealed-rolled 316L stainless steel: A comparative study

Güden

Enser

Bayhan

et al. 2022

Materials Science and Engineering: A

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Comparing Compression Deformation and Rate Sensitivity of Additively Manufactured and Extruded-Annealed 316L Alloys

Enser

Yavaş

Hamat

et al. 2021

J. of Materi Eng and Perform

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The deformation behavior of a selective-laser-melt-processed 316-L alloy (SLM-316L) under compression was determined together with a commercial annealed-extruded 316L alloy bar (C-316L) for comparison. Strain rate jump tests and hardness tests on the untested and compression tested samples were also performed. Extensive microscopic observations on the deformed and undeformed samples showed a twinning-dominated deformation in SLM-316L, similar to twinning-induced-plasticity steels, while a martensitic transformation-dominated deformation in C-316L alloy, similar to transformation-inducedplasticity steels. Within the studied quasi-static strain rate regime, the measured higher strain rate sensitivity of SLM-316L was ascribed to the lower distances between the nano-twins, in the level of 100 nm, than the distances between martensite plates, in the level of 1000 nm. A higher hardness increase in the martensite transformation region as compared with the twinned region proved the higher work hardening of C-316L. The hardness tests in the micron and sub-micron levels further confirmed the previously determined relatively low resistances of the dislocation cell walls (sub-grain) to the dislocation motion in SLM-316L alloy.

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Strain rate sensitivity of a 1.5 GPa nanotwinned steel

Liu

Huang

et al. 2021

J. Iron Steel Res. Int.

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Carbon-Dislocation Interaction-Induced Abnormal Strain-Rate Sensitivity in Twinning-Induced Plasticity Steels

Cited by 7 publications

References 30 publications

The strain rate sensitive flow stresses and constitutive equations of a selective-laser-melt and an annealed-rolled 316L stainless steel: A comparative study

The strain rate sensitive flow stresses and constitutive equations of a selective-laser-melt and an annealed-rolled 316L stainless steel: A comparative study

Comparing Compression Deformation and Rate Sensitivity of Additively Manufactured and Extruded-Annealed 316L Alloys

Strain rate sensitivity of a 1.5 GPa nanotwinned steel

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