Zobrazeno 1 - 10
of 128
pro vyhledávání: '"Liejun, Li"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 906-918 (2024)
Strain‒induced precipitation is a characteristic physical‒metallurgical phenomenon during hot‒rolling in microalloyed steel production that strongly affects the overallthermomechanical control process. In this study, the strain‒induced precip
Externí odkaz:
https://doaj.org/article/421a9314c7d34264b32b2c1445c41385
Publikováno v:
Materials Research Letters, Vol 12, Iss 2, Pp 125-131 (2024)
Thermally stable three-dimensional (3D) skeleton coupled with the Mg-toughened matrix is employed to enhance the high-temperature strength in an Al–La–Mg–Mn alloy fabricated via laser powder bed fusion. The 3D skeleton exhibits a network and tr
Externí odkaz:
https://doaj.org/article/a1def16ab6bb4431960d066c07a9e1bf
Autor:
Jiming Huang, Liejun Li, Zhichao Luo, Mingxin Huang, Zhengwu Peng, Jixiang Gao, Haibo Ke, Zhiyuan Liang
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 8209-8215 (2023)
This investigation aims to improve the ductility of ultrahigh strength (>2 GPa) press hardening steels (PHS) by exploiting the heterogeneous carbon distribution in lath martensite. The proposed strategy is demonstrated in a medium carbon PHS with a l
Externí odkaz:
https://doaj.org/article/02be85b3a8854b669665f6919e70ea46
Autor:
Weipeng Zhang, Liejun Li, Chengcheng Huang, Jixiang Gao, Liming Zou, Zhuoran Li, Zhengwu Peng
Publikováno v:
Metals, Vol 14, Iss 7, p 795 (2024)
Powder metallurgy is widely used to fabricate high-nitrogen, nickel-free austenitic stainless steel. However, after sintering and nitriding, additional solution treatment is typically required to achieve uniform nitrogen distribution and a homogeneou
Externí odkaz:
https://doaj.org/article/b7e61faaf09c4148b8bf9f49206a1a3a
Autor:
Xianqiang Xing, Siming Huang, Liejun Li, Jianping Ouyang, Jixiang Gao, Songjun Chen, Zhengwu Peng
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 832-839 (2023)
This work produced high-strength quenching and tempering medium carbon steels via fast induction heating to achieve an optimal combination of strength and ductility. The achieved yield strength, tensile strength, and total elongation were 2103 MPa, 2
Externí odkaz:
https://doaj.org/article/9e503c760bb5413e852068633c95e9c7
Publikováno v:
Metals, Vol 13, Iss 11, p 1832 (2023)
The hot deformation behavior and microstructure evolution of the SAE8620RH gear steel were investigated through a single-pass hot compression test at deformation temperatures between 850 and 1100 °C and strain rates between 0.02 and 8.0 s−1 by 60%
Externí odkaz:
https://doaj.org/article/dc38da530bf54055898d109ca59260e3
Publikováno v:
Journal of Materials Research and Technology, Vol 10, Iss , Pp 580-593 (2021)
The correlation among continuous cooling transformations, interphase precipitation and their strengthening effect was investigated quantitatively in a Ti- microalloyed steel subjected to a two-stage controlled rolling and cooling process. Interphase
Externí odkaz:
https://doaj.org/article/74544f7c5fd944bcb359eacf5afb8d37
Publikováno v:
IEEE Access, Vol 9, Pp 117860-117867 (2021)
This paper discusses the problem of designing smooth switching control based on the coprime factorization method. Aiming at the instantaneous chattering phenomenon generated by the linear parameter varying (LPV) controller during the switching moment
Externí odkaz:
https://doaj.org/article/324191a588de4d8286b0828d8e6d942f
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 6, Pp 15759-15770 (2020)
Strain-induced precipitation kinetics and precipitates' characteristics in a Ti microalloyed steel subjected to a two-stage controlled rolling process, simulating rough and finish rolling process of industrial production, were quantitatively investig
Externí odkaz:
https://doaj.org/article/43945073fdde49c69fb28c38f5655375
Publikováno v:
IEEE Access, Vol 8, Pp 184765-184773 (2020)
This article utilizes the Youla parameterization method to design a switching linear parameter-varying (LPV) output-feedback controller. The switching controller consists of several LPV controllers designed in advance and independently with correspon
Externí odkaz:
https://doaj.org/article/48c3aadf15e0498d970fd4b3dca9beff