Zobrazeno 1 - 10
of 4 067
pro vyhledávání: '"strengthening mechanism"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 7147-7156 (2024)
Short-range order (SRO) structure has been considered a potential strengthening method to improve the mechanical properties of high-entropy alloys (HEAs). However, the reinforcement mechanism of SRO structure on the HEA is still unclear. Here, the ef
Externí odkaz:
https://doaj.org/article/ed464b877ba7408eac9b027db129f392
Autor:
Hong Yang, Ma Pan, Zhiyu Zhang, Xiaochang Xie, Ping Yang, Han Zhang, Yandong Jia, Konda Gokuldoss Prashanth
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 6275-6287 (2024)
Multi-component alloys have been confirmed to be excellent reinforcing phases in high-entropy alloy-based composite. However, achieving a balance between strength and ductility by controlling the reinforcement content remains a major challenge in the
Externí odkaz:
https://doaj.org/article/33d7b780513049f79405172733b0ab88
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
Autor:
Xiaokun Pan, Jincheng Li, Chaolei Zhang, Xinping Mao, Wenjun Wang, Shuize Wang, Guilin Wu, Junheng Gao, Honghui Wu, Haitao Zhao
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 954-964 (2024)
The present study investigated the impact of 20–80 ppm Nb on the microstructure and properties of hypereutectoid pearlite steel. Remarkably, even trace amounts of Nb exhibited a favorable effect on the refinement of austenite grain. The addition of
Externí odkaz:
https://doaj.org/article/f20a8b73d5c94b37a38a587338c788f1
Autor:
Zhongde Pan, Enmao Wang, Huibin Wu, Junping Wu, Jun Hong, Zhongzhu Liu, Aimin Guo, Zhen Sun, Yansen Hao
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 1140-1154 (2024)
In order to satisfy the application requirements for strength and toughness of hydropower steels for large pumped storage power plants. In this study, based on the synergy of deformation and phase transition, the trade-off between strength and toughn
Externí odkaz:
https://doaj.org/article/c025a8071d2a4247b701e3831e7f024e
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 2136-2152 (2024)
In this study, a high-strength low carbon Nb–Ti containing weathering steel was developed. The steel achieved a yield strength of 824.4 MPa and an elongation of 24.4% with the addition of 0.030% Ce as a microalloying element. Precipitation strength
Externí odkaz:
https://doaj.org/article/e0e629b1208c47db825fd52c77773141
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 1446-1459 (2024)
In this investigation, gas tungsten arc welding (GTAW) and gas tungsten arc welding with trailing ultrasonic rotating extrusion (U-RE-GTAW) were applied to 7075 aluminum alloys. Qualitative comparisons and analyses were carried out to investigate the
Externí odkaz:
https://doaj.org/article/19d8e23b10d044b5a28fc6c79456a3c6
Publikováno v:
Shuiwen dizhi gongcheng dizhi, Vol 51, Iss 5, Pp 231-244 (2024)
Biological reinforcement is a new branch that has developed in the field of engineering geology in recent years, among which, the microbially induced calcium carbonate precipitation (MICP) reinforcement technology is an effective method. MICP reinfor
Externí odkaz:
https://doaj.org/article/54f2c06fff1e46e990e14bc4156699a4
Autor:
Jian Ren, Hao Meng, Mingjun Yang, Richu Wang, Chaoqun Peng, Yuehua Sun, Yanning Chen, Kang Yang, Guangsheng Song
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 2395-2405 (2024)
The microstructure, texture, and mechanical properties of as-extruded and cold-rolled Mg–8Li–3Al–2Zn-1Gd-0.2Zr (LAZ832-1Gd-0.2Zr) alloys were investigated with the aim of strengthening the alloy by combining hot extrusion and cold rolling. Cold
Externí odkaz:
https://doaj.org/article/dd5ba591d2dc410e998b520cf5ed267d
Strengthening high-nitrogen austenitic stainless steel via constructing multi-scaled heterostructure
Autor:
Zhufeng He, Lifang Sun, Yanxin Guo, Jintao Zhao, Huan Zhang, Shuang Jiang, Hai-Le Yan, Ning Zhang, Nan Jia
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 2076-2085 (2024)
High nitrogen austenitic stainless steels (HNASSs) have received widespread attention owing to their outstanding corrosion resistance, excellent weldability and workability. However, these materials usually exhibit insufficient yield strength to sati
Externí odkaz:
https://doaj.org/article/a9e3c48cbbb94e3fac34dffd2b946a02