A Thermodynamic Analysis of Strengthening Mechanisms and Process-Structure-Property Relationships in Ti-Nb-Mo High-Strength Ferritic Alloy

Hu, Chengyang; Dong, Hangyu; Wu, Guanghui; Wu, Kaiming; Misra, R.D.K.

doi:10.1007/s11665-021-05517-6

Cited by 6 publications

(1 citation statement)

References 35 publications

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“…The Nb contents in different states in both specimens and various temperatures are calculated by the iteration method, as described Ref. [36]. In our cases, at 1400°C holding for 5 s, the Nb in precipitates is ∼ 0.010wt-%, the Nb in the solid soluted state is ∼ 0.029wt-% in low-Nb specimen; as for the high-Nb specimen, the precipitated and solid soluted Nb are ∼ 0.010wt-% and ∼ 0.063wt-%, respectively.…”

Section: Austenite Grain Growth Behaviour and Particles Pinning Effec...mentioning

confidence: 99%

Impacts of Nb on grain refinement in a simulated coarse-grained-heat-affected-zone of ultra-high-strength steels

Wang

Wan

et al. 2023

Science and Technology of Welding and Joining

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The impact of Nb contents on grain refinement in a simulated coarse-grained heated-affected zone (CGHAZ) in steels was investigated. The austenite grain grew in multiple directions and then impinged against each other during the α→γ transformation. Subsequently, austenite grains coarsened via the coalescence of small grains and boundary migration. With the increased Nb content, the austenite in CGHAZ became coarser due to the decreased quantity and increased size of Nb precipitates. Furthermore, the austenite decomposed into bainite during the cooling process. Compared with the low-Nb specimen, the crystallographic grain size in CGHAZ of high-Nb specimen is slightly coarser, relating to the coarser prior austenite grain. However, higher Nb content delays the bainite transformation start temperature, leading to multiple variants selection of bainite, increasing the refinement ratio.

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Section: Austenite Grain Growth Behaviour and Particles Pinning Effec...mentioning

confidence: 99%

Impacts of Nb on grain refinement in a simulated coarse-grained-heat-affected-zone of ultra-high-strength steels

Wang

Wan

et al. 2023

Science and Technology of Welding and Joining

View full text Add to dashboard Cite

show abstract

Strain-Induced Precipitation Behavior and Microstructure Evolution of Ti-V-Mo Complex Microalloyed Steel

Liu,

Wei,

Zhang

et al. 2023

J. of Materi Eng and Perform

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Processing an 18Cr-8Ni Austenitic Stainless Steel Without the Dilemma of the Strength and Ductility Trade-Off

He,

Zhu,

et al. 2023

JOM

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A Thermodynamic Analysis of Strengthening Mechanisms and Process-Structure-Property Relationships in Ti-Nb-Mo High-Strength Ferritic Alloy

Cited by 6 publications

References 35 publications

Impacts of Nb on grain refinement in a simulated coarse-grained-heat-affected-zone of ultra-high-strength steels

Impacts of Nb on grain refinement in a simulated coarse-grained-heat-affected-zone of ultra-high-strength steels

Strain-Induced Precipitation Behavior and Microstructure Evolution of Ti-V-Mo Complex Microalloyed Steel

Processing an 18Cr-8Ni Austenitic Stainless Steel Without the Dilemma of the Strength and Ductility Trade-Off

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