Zobrazeno 1 - 10
of 112
pro vyhledávání: '"Junshan Hu"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-9 (2024)
Abstract Here, this study reports single-band red upconversion emission in β-Ba2ScAlO5: Yb3+/Er3+ phosphor by doping Mn2+. The optimum concentration of Mn2+ ions in β-Ba2ScAlO5: Yb3+/Er3+ phosphor was 0.20. The intensity of red and green emissions
Externí odkaz:
https://doaj.org/article/0d5d18d3ddd44ecd90552b1e5023ef8a
Publikováno v:
Journal of Intelligent Manufacturing and Special Equipment, Vol 4, Iss 1, Pp 64-81 (2023)
Purpose – Aircraft structures are mainly connected by riveting joints, whose quality and mechanical performance are directly determined by vertical accuracy of riveting holes. This paper proposed a combined vertical accuracy compensation method for
Externí odkaz:
https://doaj.org/article/43c8724b5dd04fc5a01894af0d1fe846
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:
Chinese Journal of Mechanical Engineering, Vol 35, Iss 1, Pp 1-16 (2022)
Abstract Industrial robots are increasingly being used in machining tasks because of their high flexibility and intelligence. However, the low structural stiffness of a robot significantly affects its positional accuracy and the machining quality of
Externí odkaz:
https://doaj.org/article/92dfd34364324513994b87a09483fd54
Publikováno v:
Materials, Vol 16, Iss 19, p 6361 (2023)
Composite patches are widely accepted as a useful practice for the repair of cracked aircraft components and the repair method is of vital importance to the final performance of the repaired structures. The present research experimentally studied the
Externí odkaz:
https://doaj.org/article/24ad51c276a7494baa2e3a2ebe80db3a
Publikováno v:
Journal of Manufacturing Systems. 68:56-71
Publikováno v:
Journal of Manufacturing Science and Engineering. :1-30
Compared with a single manipulator manufacturing cell, a dual manipulator cooperative system has more advantages in reconfigurability and flexibility. However, there are calibration errors and multi-source disturbances in the collaborative process, w
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 126:4475-4494
Publikováno v:
Acta Biomaterialia. 159:324-337
Publikováno v:
Journal of Composite Materials. 57:393-407
This paper reports an experimental study on the forming mechanism and bearing behavior of single-lap composite riveted joints with different hole diameters (4.82 mm and 4.9 mm) and squeeze forces (15 KN, 18 KN, 20 KN, and 23 KN). Pressure riveting an