Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Chengji MI"'
Autor:
Liuping Wang, Zhengshun Ni, Zhiyuan Zhang, Ling Zhang, Yingjian Deng, Jiping Wu, Tao Xiong, Ningning Liao, Chengji Mi
Publikováno v:
Tehnički Vjesnik, Vol 31, Iss 4, Pp 1163-1169 (2024)
In order to characterize the local damage and fatigue strength of 5754 and 5052 aluminum alloy cross-welded joints containing pre-cracks under impact loading, an interval fatigue life prediction approach is presented based on the continuum damage mec
Externí odkaz:
https://doaj.org/article/4c0626f0d75a4f7284698a773ab50ebc
Publikováno v:
Tehnički Vjesnik, Vol 30, Iss 5, Pp 1627-1634 (2023)
In order to improve the dynamic characteristics of the slider pallet in the camellia fruit picking machine under the traditional empirical design and to lighten the weight, a fuzzy multi-objective topology optimization design method was proposed. In
Externí odkaz:
https://doaj.org/article/5346b21c0b2f4766b6c883db02b59c68
Autor:
Liuping Wang, Zhengshun Ni, Yingang Xiao, Yongqiang Li, Xianghuan Liu, Yongzhi Chen, Shuanghao Cui, Dejun Zhang, Chengji Mi, Quanguo He
Publikováno v:
Materials, Vol 16, Iss 13, p 4721 (2023)
In order to avoid slackening of differential housing and gear joined by bolts, the laser-welding process is proposed in this paper, and the strength of a connecting joint was estimated by numerical analysis with consideration of welding residual stre
Externí odkaz:
https://doaj.org/article/3d419d7ea2d64d608304361c3c2fbe7d
Publikováno v:
Materials, Vol 15, Iss 14, p 5077 (2022)
This paper aims to explore the fatigue life estimation approach of welded joints with precrack under coupled impact and fatigue loading, and the base metal is dissimilar 5083H111 and 5754 aluminum alloy. Impact tests are first carried out on the diss
Externí odkaz:
https://doaj.org/article/83db193b4e624f01ac8ce7b89ed83c45
Autor:
Chengji Mi, Zhonglin Huang, Haibo Wang, Dong Zhang, Tao Xiong, Haigen Jian, Jiachang Tang, Jianwu Yu
Publikováno v:
Materials, Vol 15, Iss 13, p 4558 (2022)
Pre-loading on engineering materials or structures may produce pre-strain, especially plastic strain, which would change the fatigue failure mechanism during their service time. In this paper, an energy-based method for fatigue life prediction on hig
Externí odkaz:
https://doaj.org/article/2ba803accfe244d7b63d1bab78a24f5c
Publikováno v:
Applied Sciences, Vol 9, Iss 20, p 4214 (2019)
With respect to heavy carrying tasks and uneven road surface in open pit mine, the mechanical performances of electric wheel dump truck frame regarded as the main bearing component are extremely important for its safe operation. For the problem of in
Externí odkaz:
https://doaj.org/article/586c9fba81b14b63aac8a32787431314
Publikováno v:
Applied Sciences, Vol 9, Iss 11, p 2227 (2019)
A large number of sample data is needed to ascertain the characteristic parameters of traditional membership function, so that the calculated fuzzy fatigue reliability based on this method has certain errors for engineering structures without enough
Externí odkaz:
https://doaj.org/article/90ee63fd68ed4a0c9217e5ef09218c4b
Publikováno v:
Applied Sciences, Vol 9, Iss 5, p 918 (2019)
Abstract: In order to improve the fatigue performance of a welded A-type frame in a heavy off-road mining truck, a novel method was presented to implement lifetime and weight collaborative optimization while considering uncertainties in geometry dime
Externí odkaz:
https://doaj.org/article/ef984186a5034ee1a4e7ca88912e7389
Publikováno v:
Applied Sciences, Vol 9, Iss 3, p 397 (2019)
The traditional methodologies for fatigue life assessment of welded joints strongly depend on geometries and surface characteristics, as well as time. In this paper, an energy-based approach, independent of structures though thermal-graphic measureme
Externí odkaz:
https://doaj.org/article/b03033e1861d4ab5a985e42b893a9f97
Autor:
Chengji MI1 michengji_86@126.com, Yongqiang LI1 happy2021hut@126.com, Chen ZHANG1 zhangchen@126.com, Dong ZHANG1 zhangdong@126.com, Xianghuan LIU2 liuxianghuan@126.com, Xiaolan HU2 huxiaolan@126.com, Dejun ZHANG2 zhangdejun@126.com
Publikováno v:
Mechanika. 2023, Vol. 29 Issue 4, p317-323. 7p.