Zobrazeno 1 - 10
of 1 199
pro vyhledávání: '"medium mn steel"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 5223-5230 (2024)
Medium manganese steel represents a promising third-generation advanced high-strength steel. However, achieving excellent plasticity in high-yield-strength medium manganese steel remains challenging, particularly with lower alloying element contents.
Externí odkaz:
https://doaj.org/article/deff05055d0f4aa7bb634a9b1e6014b9
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 2672-2682 (2024)
To develop medium-Mn steels with an ultimate tensile strength (UTS) exceeding 2 GPa and excellent ductility, we created a highly accurate UTS prediction machine learning (ML) model using a boosted decision tree model and 1520 dataset of tensile prope
Externí odkaz:
https://doaj.org/article/2961ab15f09c4c1fbeb264a12077d5f2
Publikováno v:
Materials Research Letters, Vol 12, Iss 11, Pp 843-851 (2024)
Nature has long inspired technological innovations, fostering the rapidly developing field of bionics. Inspired by the microstructure of bamboo, we have developed a bamboo-like structure for steel. This novel steel achieves a tensile strength exceedi
Externí odkaz:
https://doaj.org/article/f914641d0a7b49448f3712ab9214017a
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 3060-3069 (2024)
The hot-rolled microstructure of medium Mn steel has coarse grains and severe elemental segregation, resulting in low strength and plasticity. Constructing a multiphase structure, refining the microstructure, and regulating elemental segregation enha
Externí odkaz:
https://doaj.org/article/acdd56fdc0534d2286b75cb5d8be13f5
Autor:
Shao-bin Bai, Da-zhao Li, Li-ren Li, Hui-hui Lu, Jia Xing, Pei-kang Bai, Jing-yang Li, Zhi-jie Yan, Zhi-quan Huang
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 3210-3222 (2024)
A novel strategy involving warm rolling and tempering-annealing was introduced to optimize the strength-ductility balance of Fe-10.2Mn-2.2Al-0.41C-0.6 V (wt. %) steel. The V- and κ-carbide particles produced during the tempering are critical for tai
Externí odkaz:
https://doaj.org/article/b082483b34644bc98eac6e1d074dbcf8
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1620-1629 (2024)
Recently, the retained austenite (RA) with chemically heterogeneous has attracted great attention in medium Mn steel. In this work, we designed a two-step intercritical annealing (TIA) heat treatment process to prepare high-strength medium Mn steel w
Externí odkaz:
https://doaj.org/article/812e977c35b042208a7ba057e375df4d
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 287-297 (2024)
The present investigation focuses on analyzing the microstructure and tensile properties of room temperature quenching and partitioning (RT Q&P) steel manufactured using laser powder bed fusion (LPBF). The as-built specimen reveals a dual-phase micro
Externí odkaz:
https://doaj.org/article/e9bc440f3be74f32b60fda9aa02c845d
Publikováno v:
Materials & Design, Vol 246, Iss , Pp 113328- (2024)
Achieving exceptional ductility in ultra-high strength steels has long been a formidable challenge, particularly when the yield strength reaches 2.0 GPa. In this study, we have designed an innovative tri-phase lamellar microstructure in medium Mn ste
Externí odkaz:
https://doaj.org/article/c4d10076e0d84fb2a3d3dd63a9d738ea
Publikováno v:
Materials & Design, Vol 245, Iss , Pp 113273- (2024)
This work introduced the effects of higher tempering temperatures on the microstructural evolution of Cu − bearing medium Mn steel. After quenching steel at 860 °C for 1 h, it was tempered at 600, 640, and 670 °C for 2 h. The results indicated th
Externí odkaz:
https://doaj.org/article/0c60e915421f472ba4435c03dab58782
Publikováno v:
工程科学学报, Vol 46, Iss 5, Pp 853-862 (2024)
Medium-Mn steel with M3 microstructural characteristics (multiphase, multiscale, and metastable) is a promising third-generation automotive steel owing to its remarkable combination of ultrahigh strength and ductility. Hot stamping of medium-Mn steel
Externí odkaz:
https://doaj.org/article/220c8145c72f4f7e96c56d53b6333b4c