Zobrazeno 1 - 10
of 481
pro vyhledávání: '"Forming quality"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 5170-5192 (2024)
This study reveals the mechanisms by which efficiency parameters affect surface quality, mechanical properties, and configuration offset in incremental sheet forming (ISF), focusing on surface morphology and microstructural evolution. By constructing
Externí odkaz:
https://doaj.org/article/08775fd2d250427ea0be3d6d6d51a821
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 37, Iss 1, Pp 1-25 (2024)
Abstract In three-dimensional free-bending forming (3D-FBF), the tube is not overly constrained, and the plastic deformation behavior and forming quality of the bent tube are significantly affected by the critical structure of the forming die lining.
Externí odkaz:
https://doaj.org/article/0df6463e281346a5a8106c36df0f8e93
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 37, Iss 1, Pp 1-16 (2024)
Abstract The bipolar plate (BPP) is a crucial component of proton exchange membrane fuel cells (PEMFC). However, the weight of BPPs can account for around 80% of a PEMFC stack, posing a hindrance to the commercialization of PEMFCs. Therefore, the lig
Externí odkaz:
https://doaj.org/article/80f7cdb963cf47539730a50e9d33cd7c
Publikováno v:
Cailiao gongcheng, Vol 52, Iss 7, Pp 44-56 (2024)
Due to the low boiling points of the main constituents of 7075 aluminum alloy and the high surface tension gradient of the molten alloy， combined with the uneven energy distribution of the circular Gaussian （CG） laser beam spot commonly used in
Externí odkaz:
https://doaj.org/article/36076ec20b6c4b23b3af326f4793ff49
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 4917-4930 (2024)
In this work, a progressive micropunching technology was proposed to form complex shaped microparts using thin copper strip with a thickness of 200 μm. The mechanical properties, microstructure and texture of the annealed thin copper strip were syst
Externí odkaz:
https://doaj.org/article/d7284d8ca33e45ae9dd8687f1f574f7b
Autor:
Bo Yin, Meiguang Cao, Jin Huang, Long Shu, Hao Yi, Zhenhua Li, Liquan Jin, Chengheng Cai, Changchang Yang
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
ABSTRACTIn feedback control systems of wire-arc additive manufacturing (WAAM), timely adjustments before the occurrence of deviations (feedforward control) would reduce excessive requirements on the sensitivity and accuracy of characteristic paramete
Externí odkaz:
https://doaj.org/article/25dbb6955d8f46f09aaf1fd9289a3146
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 2714-2726 (2024)
Island scanning can reduce the residual stress in the process of laser powder bed fusion (LPBF), however, the role of island size has rarely been systematically investigated. Herein, the influences of island size on the forming quality, microstructur
Externí odkaz:
https://doaj.org/article/ee261f5075f14c2eb43804167c1f1d35
Publikováno v:
Crystals, Vol 14, Iss 9, p 784 (2024)
To improve the discharge performance of aluminum–air batteries, CeO2/Al6061 composites were prepared as an anode using selective laser melting (SLM). Response surface methodology (RSM) was employed, and the test results were linearly fitted. A pred
Externí odkaz:
https://doaj.org/article/0acbae6fae594f5aa3d4da2a0d757b6c
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 5424-5435 (2023)
To predict the geometric characteristics and improve the forming quality and macro-micro defects of multi-track overlapping cladding layer effectively, the experimental research of laser melting deposition single-track Co-based alloy on 42CrMo substr
Externí odkaz:
https://doaj.org/article/568050367bb84a098676fd430ffa58f7
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 5264-5279 (2023)
The energy beam and powder layer interaction influences the dynamic melt behavior and determines the surface quality in electron beam powder bed fusion (PBF-EB). It is generally believed that increasing the powder layer thickness favors production ef
Externí odkaz:
https://doaj.org/article/81b8c494732645d78f046604de0abf0d