Experimental study and a damage model approach to determine the effect of hot forming deformation on the service performance of 22MnB5 steel

Zhuang, Weimin; Wang, Pengyue; Xie, Dexin; Shi, Hongda

doi:10.1016/j.jmapro.2019.09.018

Cited by 10 publications

(4 citation statements)

References 33 publications

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“…The dislocation density progressively increased during deformation, leading to the creation of a substructure and resulting in material softening. [ 20 ] The dynamic recovery (DRV) was caused with substructure and deformation increasing, [ 21,22 ] and the relationship between substructure and strain rate [ 23–25 ] is expressed as Equation (1)

d = a &amp;#x00026;amp;amp;plus; b \times log Z

where d represents the mean diameter of the sub‐grain, while a and b are constants, and Z is the strain rate adjusted for temperature. Thus, this suggests that the Z value associated with a strain rate of 0.01 s −1 is about 1, leading to the initial rise and subsequent decline in the thickness of TM.…”

Section: Resultsmentioning

confidence: 99%

“…The dislocation density progressively increased during deformation, leading to the creation of a substructure and resulting in material softening. [20] The dynamic recovery (DRV) was caused with substructure and deformation increasing, [21,22] and the relationship between substructure and strain rate [23][24][25] is expressed as Equation ( 1)…”

Section: Macromorphologymentioning

confidence: 99%

“…At temperatures above 800 °C, the strength of the SM surpasses that of the TM. [18][19][20][21][22][23][24][25] As a result, when the TCSP deformed, the TM was firstly compressed, and the WH rose rapidly within the TM according to the curve. [26] Therefore, after the TM underwent deformation to the extent that its hardness equaled that of the SM, the consistency of deformation was sustained across the whole sample.…”

Section: Deformation Processingmentioning

confidence: 99%

See 2 more Smart Citations

Microstructure Evolution and Deformation Behavior of High Strength Titanium Clad Steel Plate in the Thermal Compression

Chen,

Xiao,

Shao

et al. 2024

steel research int.

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This research involves conducting unidirectional axial thermal compression experiments on high‐strength titanium‐clad steel plates (TCSPs) at different temperatures and strain rates. Thermally compressed samples are evaluated for macromorphology, microstructure, macroscopic texture, and dislocation density. Deformation consistency is observed in α‐titanium under certain conditions, but not in β‐titanium. Pearlite is the main deformation microstructure near the steel interface, expanding with temperature. Striped grain clusters are observed in the α‐titanium near the interface, enhancing deformation uniformity; furthermore, the prevalence of striped grains increases with higher strain rates. However, dynamic recrystallization in β‐titanium hinderes deformation consistency. The fiber presence of texture <111>//ND ensures consistent deformation consistency, whereas the plate texture {0001} <100> in the α‐titanium encourages it. During the deformation process at a consistent rate of strain, it is observed that both matrices initially exhibit a rise, followed by a decline in dislocation density as the temperature increases, peaking at 850 °C. Dislocation density rises as strain rate increases, while temperature remaines constant. At temperatures exceeding 850 °C, bonding strengths decrease with deformation rate and remain comparable. Bonding strengths decreases at 800 °C due to intermetallic compound formation.

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d = a &amp;#x00026;amp;amp;plus; b \times log Z

Section: Resultsmentioning

confidence: 99%

“…The dislocation density progressively increased during deformation, leading to the creation of a substructure and resulting in material softening. [20] The dynamic recovery (DRV) was caused with substructure and deformation increasing, [21,22] and the relationship between substructure and strain rate [23][24][25] is expressed as Equation ( 1)…”

Section: Macromorphologymentioning

confidence: 99%

Section: Deformation Processingmentioning

confidence: 99%

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Microstructure Evolution and Deformation Behavior of High Strength Titanium Clad Steel Plate in the Thermal Compression

Chen,

Xiao,

Shao

et al. 2024

steel research int.

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show abstract

“…Venturato et al established the generalized incremental stress-state-dependent damage model (GISSMO) to predict the formability in 22MnB5 hot stamping by means of experiment and numerical simulation [19]. Zhuang et al conducted X-ray diffraction and microstructure investigations to study the phase composition and micro defects, respectively, established a damage-coupled pre-forming constitutive model, and embedded it into ABAQUS 2016 through the VUMAT interface for simulation [20]. Chen et al proposed a theoretical prediction model for forming a limit prediction model for the high temperature forming process of 22MnB5 based on the Norton-Hoff constitutive model, BBC 2005 yield criterion, and M-K model [21].…”

Section: Introductionmentioning

confidence: 99%

Investigation into the Hot-Forming Limit for 22MnB5 Hot-Forming Steel under a Stamping Process

He,

Yang,

Zhang

et al. 2024

Metals

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Hot-forming technology for 22MnB5 hot-forming steel (22MnB5 HF steel) plates has been widely used in the automobile manufacturing industry in recent years. Physical simulation and numerical modeling were carried out in order to determine the forming limit of a 22MnB5 steel plate for the stamping process. The deformation experiments were performed in a temperature range of 600~900 °C and a strain rate range of 0.1~10 s−1. In the uniaxial tensile tests, it was found that at the forming temperature of 600 °C, the condition of dynamic recrystallization was not fully reached, and thus the corresponding tensile strength was much larger than that at other deformation temperatures. In the numerical simulation of bulging experiments, it was found that 22MnB5 steel had good formability when the initial deformation temperature was high and the forming speed was low by using the instability criterion, combining the maximum punch force and strain path transition. The forming limit diagram of 22MnB5 steel at a temperature of 700 °C and tool speed of 25 mm/s was obtained by means of simulation and a hot stamping experiment. The establishment of the forming limit of the 22MnB5 steel plate can provide theoretical and technical guidance for the hot-forming process.

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Drawing–upsetting–extrusion–clinching of high-strength steel and aluminum alloy

Luo

Huang

Yang

et al. 2023

J. Iron Steel Res. Int.

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Experimental study and a damage model approach to determine the effect of hot forming deformation on the service performance of 22MnB5 steel

Cited by 10 publications

References 33 publications

Microstructure Evolution and Deformation Behavior of High Strength Titanium Clad Steel Plate in the Thermal Compression

Microstructure Evolution and Deformation Behavior of High Strength Titanium Clad Steel Plate in the Thermal Compression

Investigation into the Hot-Forming Limit for 22MnB5 Hot-Forming Steel under a Stamping Process

Drawing–upsetting–extrusion–clinching of high-strength steel and aluminum alloy

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