Zobrazeno 1 - 10
of 297
pro vyhledávání: '"Wenhe Liao"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 1004-1017 (2024)
In view of the significant impact of welding defects on the fracture behaviors involving the strength, stress concentration and bearing capacity of welded joint, etc., the propagation behaviors and mechanical properties of welded joints with porosity
Externí odkaz:
https://doaj.org/article/aa22536e265e40409f3aefa21bceb7cd
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1127-1140 (2024)
Laser powder bed fusion (LPBF) enables the production of large and intricately shaped bulk metallic glasses (BMGs); however, the current strength of LPBF-fabricated BMGs is significantly lower than their cast counterparts due to defects generated dur
Externí odkaz:
https://doaj.org/article/dd0e0fdd8aa9434d978bf20c15bda260
Publikováno v:
Defence Technology, Vol 32, Iss , Pp 55-66 (2024)
The arc ignition system based on charring polymers has advantages of simple structure, low ignition power consumption and multiple ignitions, which bringing it broadly application prospect in hybrid propulsion system of micro/nano satellite. However,
Externí odkaz:
https://doaj.org/article/a67c05ff8fcd4a15b7530fe888716908
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 168-175 (2024)
High Nb–TiAl alloys fabricated using laser powder bed fusion (LPBF) exhibit a metastable α2 phase due to the rapid cooling rate of the LPBF process. However, the understanding of the structural transformation behavior in LPBF-fabricated high Nb–
Externí odkaz:
https://doaj.org/article/eb8f93f3ffe0404ab98a6a0c2d561546
Autor:
Xiangyuan Chen, Wenhe Liao, Huiliang Wei, Zhiguang Zhu, Tao Yang, Changdong Zhang, Tingting Liu
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 139-153 (2024)
Lattice structures fabricated using laser powder bed fusion (LPBF) are pivotal for lightweight design. However, their small dimensions and intricate geometry intensify the likelihood of defect formation, such as lack of fusion (LOF), near-spherical p
Externí odkaz:
https://doaj.org/article/e0818a3626254a4fb50a47345ec5b88e
Publikováno v:
Virtual and Physical Prototyping, Vol 18, Iss 1 (2023)
Although additive manufacturing (AM) is a net/near-net forming process, significant deviations may occur between the finally manufactured product and the designed object. This study is inspired by the deposition errors in a typical closed-contour str
Externí odkaz:
https://doaj.org/article/339eaee2b9c74a5591d7c5691cc992d3
Publikováno v:
Engineering, Vol 23, Iss , Pp 181-195 (2023)
Molten pool characteristics have a significant effect on printing quality in laser powder bed fusion (PBF), and quantitative predictions of printing parameters and molten pool dimensions are critical to the intelligent control of the complex processe
Externí odkaz:
https://doaj.org/article/3ececdc755f24588bcad0b9743a0d39c
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 36, Iss 1, Pp 1-13 (2023)
Abstract Laser powder bed fusion (LPBF) is an advanced manufacturing technology; however, inappropriate LPBF process parameters may cause printing defects in materials. In the present work, the LPBF process of Ti-6.5Al-3.5Mo-1.5Zr-0.3Si alloy was inv
Externí odkaz:
https://doaj.org/article/e42ad68d7fc54a01b62cdaef13e3fd7c
Publikováno v:
Journal of Materials Research and Technology, Vol 21, Iss , Pp 781-797 (2022)
Ultrasonic impact treatment (UIT) is considered to solve the defects of wire arc additive manufacturing (WAAM) components such as coarse grain size, large residual stress, and poor mechanical properties. In this paper, the effects of UIT on the micro
Externí odkaz:
https://doaj.org/article/5c91e1d82d454527a0c0aa783979e35e
Publikováno v:
Materials & Design, Vol 231, Iss , Pp 112025- (2023)
At present, it remains a challenge to additively manufacture Ti-48Al-2Cr-2Nb (TiAl4822) alloy by laser powder bed fusion (LPBF) technology because of the severe cracking in the building process. In this work, it was found that cracks in LPBFed TiAl48
Externí odkaz:
https://doaj.org/article/8e405f2bfbc64ef592230f415ec0c680