Zobrazeno 1 - 10
of 130
pro vyhledávání: '"Dunwen Zuo"'
Publikováno v:
Jin'gangshi yu moliao moju gongcheng, Vol 44, Iss 5, Pp 665-674 (2024)
Objectives: During low-temperature micro-abrasive air jet machining, the mechanical properties of materials undergo changes, making the material more prone to brittleness and erosion removal. Comparative experiments were conducted on the low-temperat
Externí odkaz:
https://doaj.org/article/e98d8cf7c2124c6dabe6644071a305bd
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 8080-8091 (2024)
The laser modification pretreatment method is an effective way to address the machining difficulties of silicon carbide (SiC), a typical hard-to-machine material. Therefore, the ablation behavior and modification mechanism of SiC under different lase
Externí odkaz:
https://doaj.org/article/3242cf8e61084fe48c29785733c8a425
Publikováno v:
Jin'gangshi yu moliao moju gongcheng, Vol 44, Iss 1, Pp 85-91 (2024)
In view of the issues of environmental pollution, harm to human health, and increase in production and processing costs caused by the use of grinding fluid in traditional grinding, this paper proposes an electric antirust grinding method that utilize
Externí odkaz:
https://doaj.org/article/4f142a7e0543474b82583287cc2dffc5
Autor:
Liaoyuan Wang, Yuli Sun, Zhongmin Xiao, Liming Yao, Jiale Guo, Shijie Kang, Weihao Mao, Dunwen Zuo
Publikováno v:
Materials, Vol 17, Iss 7, p 1523 (2024)
To enhance the surface quality of metal 3D-printed components, magnetic abrasive finishing (MAF) technology was employed for post-processing polishing. Experimental investigation employing response surface methodology was conducted to explore the imp
Externí odkaz:
https://doaj.org/article/2b0f31deef02422ea3cf266bb665cb87
Publikováno v:
Medžiagotyra, Vol 29, Iss 1, Pp 27-33 (2023)
Graphene oxide particles (GOp) were implanted on the surface of H62 copper alloy to prepare an H62/GOp-modified layer by friction stir surface processing (FSSP). The Raman spectrum and microstructure of the modified layer were tested and analyzed. Th
Externí odkaz:
https://doaj.org/article/7beb8f167ad74dbea00b8d655275ae8f
Autor:
Jinfang Wang, Dunwen Zuo, Liu Zhu, Zhibiao Tu, Xiao Lin, Yinan Wu, Weiwei Li, Xiaoqiong Zhang
Publikováno v:
Frontiers in Materials, Vol 8 (2021)
High-temperature oxidation tests were carried out on binderless tungsten carbide (WC) with different Y2O3 contents (0, 1, 2, 3, and 4 wt.%) and on YG3 cemented carbide. Results demonstrated that the addition of Y2O3 led to a significant improvement i
Externí odkaz:
https://doaj.org/article/7082b802048049c7829e443ebc616a91
Autor:
Xianrui Zhao, Ze Yu, Dunwen Zuo, Qintao Li, Mengxian Zhang, Hongjun Wang, Qiangyong Zhang, Zhengyu Zhu, Yong Chen, Feng Xu
Publikováno v:
Advances in Mechanical Engineering, Vol 12 (2020)
Ti(C,N)-TiB 2 -Co cermets were in situ synthesized, via reactive hot pressing from the Co-Ti-C-BN system, with a Co content ranging from 6 to 22 wt%. The microstructure, relative density, hardness, and fracture toughness of the sintered compacts was
Externí odkaz:
https://doaj.org/article/61e41fe00d8e4611b580d9acf3e83da3
Publikováno v:
Metals, Vol 11, Iss 8, p 1321 (2021)
Research on pre-deformation influences on material properties in multistep hot forming is of important scientific interest. In this paper, hot tensile tests at 850 °C and a strain rate of 0.001 s−1 were performed to study the microstructural evolu
Externí odkaz:
https://doaj.org/article/f8dfe67b7781462ca56417d068b94733
Publikováno v:
Medžiagotyra, Vol 23, Iss 3, Pp 222-226 (2017)
H62 copper alloy surface was modified by friction stir processing using various values of processing parameters. The friction and wear experiments of surfaces were done at different temperatures, and the wear properties of modified surfaces thus dete
Externí odkaz:
https://doaj.org/article/c0dcdb3dc873476e96130fd3eb893151
Publikováno v:
Metals, Vol 10, Iss 4, p 468 (2020)
Pore defects have an important effect on the mechanical properties of graphene reinforced aluminum nanocomposites. The simulation study found that the pores affect the stress distribution in the matrix of the composite. Along the stretching direction
Externí odkaz:
https://doaj.org/article/96fe7a1dd33746ea982f57b31aa4359a