Improving hydrogen embrittlement resistance of a modified press hardening steel by introducing retained austenite as hydrogen trap

Ding, Wei; Yang, Kai; Gong, Yu; Wang, Li; Hong, Jiyao; Li, Wei; Jin, Xuejun

doi:10.1007/s42243-021-00738-4

Cited by 4 publications

(1 citation statement)

References 32 publications

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“…(2) Adapting the novel processing technology to the hot-stamping production line deserves more attention, including quenching and partitioning (Q&P), flash-partitioning process, and intercritical temperature quenching. (3) More research on other service performances of newly developed PHS such as formability [ 107 , 108 ], weldability [ 109 ], fatigue [ 110 ], wear [ 111 ], corrosion [ 112 , 113 ], HE resistance [ 114 ], and bending properties [ 91 ] is recommended to promote their use in the future. (4) Except for traditional C-Mn steels or novel PHS, other steel grades, such as medium-Mn steels [ 115 , 116 , 117 , 118 ] and stainless steels [ 119 ], are also suitable for hot stamping, and these innovative topics have the potential to expand the application prospects of hot stamping and in-depth research.…”

Section: Novel Phs Steelsmentioning

confidence: 99%

Multi-Scale Microstructural Tailoring and Associated Properties of Press-Hardened Steels: A Review

et al. 2023

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High-strength press-hardened steels (PHS) are highly desired in the automotive industry to meet the requirement of carbon neutrality. This review aims to provide a systematic study of the relationship between multi-scale microstructural tailoring and the mechanical behavior and other service performance of PHS. It begins with a brief introduction to the background of PHS, followed by an in-depth description of the strategies used to enhance their properties. These strategies are categorized into traditional Mn-B steels and novel PHS. For traditional Mn-B steels, extensive research has verified that the addition of microalloying elements can refine the microstructure of PHS, resulting in improved mechanical properties, hydrogen embrittlement resistance, and other service performance. In the case of novel PHS, recent progress has principally demonstrated that the novel composition of steels coupling with innovative thermomechanical processing can obtain multi-phase structure and superior mechanical properties compared with traditional Mn-B steels, and their effect on oxidation resistance is highlighted. Finally, the review offers an outlook on the future development of PHS from the perspective of academic research and industrial applications.

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