Zobrazeno 1 - 10
of 427
pro vyhledávání: '"Gradient microstructure"'
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1809-1819 (2024)
In this work, the effects of the gradient microstructures by surface mechanical attrition treatment (SMAT) on the corresponding tribological properties of the nanoprecipitates strengthened copper alloy was investigated. The nanoprecipitates strengthe
Externí odkaz:
https://doaj.org/article/51a5bdb9275c4f7ea94b4bb79a3c9dc1
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1658-1671 (2024)
Gradient microstructures (GMs) help to improve simultaneously the strength and ductility of metallic materials; therefore, GMs have attracted more and more interest in recent years. The current researches on GMed metals mainly focus on the quasi-stat
Externí odkaz:
https://doaj.org/article/2f602c4622734bf68bea24c13e6ec760
Autor:
Lintao Liu, Jieyu Li, Shengwen Bai, Bin Jiang, Chao He, Kun Li, Zhihua Dong, Guangsheng Huang, Dingfei Zhang, Fusheng Pan
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 4496-4509 (2024)
In this work, preeminent bendability at room temperature is achieved by simultaneously introducing the gradient microstructure and texture along the normal direction (ND) of Mg-4.05Gd-0.57Zr alloy sheets prepared by turned bearing extrusion (TBE). Th
Externí odkaz:
https://doaj.org/article/759b47d7861e4a65a6b3f15393530cdc
Autor:
Lintao Liu, Yan Song, Jieyu Li, Chao He, Shengwen Bai, Bin Jiang, Jiangfeng Song, Guangsheng Huang, Dingfei Zhang, Fusheng Pan
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 2468-2477 (2024)
On certain occasions, such as bending, a sheet with gradient microstructure may present higher formability compared to one with uniform microstructure. In this study, the formation of gradient microstructure in AZ31 alloy sheets extruded by the asymm
Externí odkaz:
https://doaj.org/article/3953e4d52b4d4664aab1c0b163308b38
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 4445-4458 (2024)
Magnesium alloys are highly promising in biodegradable materials for medical applications. However, their applications are limited by weaknesses in mechanical strength and corrosion resistance. In recent years, advancements in a novel laser method, L
Externí odkaz:
https://doaj.org/article/8055c50d2640482d9c736f7db6a29b59
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 1215-1226 (2024)
To achieve a broad range of gradient strain from the rim to the center of a single specimen, the size of the high-throughput double-cone (DC) specimen was optimized using finite-element-model (FEM) simulation. As the deformation increased, the flow s
Externí odkaz:
https://doaj.org/article/b9c71a4e2738459cb2816a197044d91a
Publikováno v:
Metalurgija, Vol 63, Iss 1, Pp 77-80 (2024)
This study focused on the microstructure evolution of non-oriented Fe-3,0 %Si steel used in the core of new energy vehicle drive motor. An hot band and a sample normalized at 800 °C for 10 min were subjected to a moderate cold rolling and an anneali
Externí odkaz:
https://doaj.org/article/965b07254e8b4a388decf31b7b4c0581
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 1223-1241 (2023)
Mg alloy, as a promising lightweight structural material, finds applications in various fields. However, poor surface properties like wear resistance greatly limit its applications. As a surface modification technology, ultrasonic shot peening (USP)
Externí odkaz:
https://doaj.org/article/9740e0795d0448a0bf9a3a25b208337b
Autor:
Yansong Guo, Bin Jia, Yong Du, Xuan Wu, Hang Fan, Gen Li, Chenguang Wang, Changqing Zhou, Tianze Gao, Yanxin Ge, Maoguo Gao, Qiang Zhou, Pengwan Chen
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 248-261 (2023)
Large-depth and multiscale gradient microstructure in dual-phase Al0.6CoCrFeNi high entropy alloy (HEA) were fabricated by explosion hardening (EH) technique. The gradient microstructure evolution was investigated in detail. The microhardness distrib
Externí odkaz:
https://doaj.org/article/4ca58109ac9644bfbe7e5a8fb1596542
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 3309-3322 (2023)
Commercial pure Ti sheets with an initial wavy profile were rolled and annealed to fabricate heterostructure. Microstructure investigations by electron backscatter diffraction (EBSD) show that a dual-gradient microstructure including gradient grain s
Externí odkaz:
https://doaj.org/article/05a9627ead7b4caeb5c152f3c6a78d87