Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Jingjie Zhang"'
Autor:
Wenhao Zhang, Zhaoqiang Chen, Congfeng Tian, Jun Wu, Guangchun Xiao, Niansheng Guo, Mingdong Yi, Jingjie Zhang, Chonghai Xu
Publikováno v:
Materials, Vol 15, Iss 15, p 5430 (2022)
The addition of CaF2@SiO2 and SiC whiskers to ceramic tools can improve their flexural strength and fracture toughness, reduce surface damage, and improve their cutting performance. The cutting experiments showed that under the same cutting condition
Externí odkaz:
https://doaj.org/article/b3d5343d3d2449ffa2f6c491cc8eb51e
Autor:
Jingjie Zhang, Xiangfei Meng, Jin Du, Guangchun Xiao, Zhaoqiang Chen, Mingdong Yi, Chonghai Xu
Publikováno v:
Materials, Vol 14, Iss 12, p 3176 (2021)
Cutting heat conduction undergoes three stages that include intensity transient-state, transient-state, and steady-states. Especially during machining with coated cutting tools, in the conduction process, cutting heat needs to pass through a few micr
Externí odkaz:
https://doaj.org/article/ebed4cbb76a44113a28736548643cfe7
Autor:
Benshuai Chen, Guangchun Xiao, Mingdong Yi, Jingjie Zhang, Tingting Zhou, Zhaoqiang Chen, Yongpeng Zhang, Chonghai Xu
Publikováno v:
Materials, Vol 14, Iss 3, p 611 (2021)
In this paper, the Voronoimosaic model and the cohesive element method were used to simulate crack propagation in the microstructure of alumina/graphene composite ceramic tool materials. The effects of graphene characteristic size and volume content
Externí odkaz:
https://doaj.org/article/dc34b635bc234f94a977ef323f8b3b01
Publikováno v:
Materials, Vol 13, Iss 13, p 2922 (2020)
This study aimed at improving the cutting performance of a ceramic tool to which were added solid lubricant particles. We prepared the self-lubricating ceramic tool by adding CaF2@Al2O3 instead of CaF2, and the self-lubricating ceramic tool with Al2O
Externí odkaz:
https://doaj.org/article/5a4c6ea657db4a10b08dca20051c0d35
Publikováno v:
Materials, Vol 13, Iss 7, p 1714 (2020)
Sintering solidification is an effective way to treat soil contaminated with nonvolatile heavy metal. The ceramsite prepared from contaminated soil after sintering can be used as lightweight aggregate in concrete. The preparation process of ceramsite
Externí odkaz:
https://doaj.org/article/d930110690464f76918f0fd5d754cbcf
Publikováno v:
Materials, Vol 13, Iss 4, p 1009 (2020)
In this paper, a shell structure ceramsite has been prepared and researched in order to attempt a new method of producing lightweight ceramsite. In the experiment, raw material was made into slurry and polypropylene balls were treated with the soak-a
Externí odkaz:
https://doaj.org/article/030ac961b4b048f1a31c4744cba5aa12
Publikováno v:
Materials, Vol 11, Iss 11, p 2110 (2018)
The lubrication performance of graphene used as additive in 4-n-pentyl-4′-cyanobiphyl liquid crystal (5CB) for steel/steel contacts was studied on a ball-on-plate tribotester. The friction test results show that when the graphene content in the 5CB
Externí odkaz:
https://doaj.org/article/65875b7f7e32439eabad6e9a9731d900
Autor:
Jin Du, Xiangfei Meng, Zhaoqiang Chen, Jingjie Zhang, Guangchun Xiao, Mingdong Yi, Chonghai Xu
Publikováno v:
Materials
Volume 14
Issue 12
Materials, Vol 14, Iss 3176, p 3176 (2021)
Volume 14
Issue 12
Materials, Vol 14, Iss 3176, p 3176 (2021)
Cutting heat conduction undergoes three stages that include intensity transient-state, transient-state, and steady-states. Especially during machining with coated cutting tools, in the conduction process, cutting heat needs to pass through a few micr
Autor:
Jingjie Zhang, Tingting Zhou, Benshuai Chen, Mingdong Yi, Chonghai Xu, Zhaoqiang Chen, Guangchun Xiao, Yongpeng Zhang
Publikováno v:
Materials
Materials, Vol 14, Iss 611, p 611 (2021)
Volume 14
Issue 3
Materials, Vol 14, Iss 611, p 611 (2021)
Volume 14
Issue 3
In this paper, the Voronoimosaic model and the cohesive element method were used to simulate crack propagation in the microstructure of alumina/graphene composite ceramic tool materials. The effects of graphene characteristic size and volume content
Publikováno v:
Materials
Volume 13
Issue 13
Materials, Vol 13, Iss 2922, p 2922 (2020)
Volume 13
Issue 13
Materials, Vol 13, Iss 2922, p 2922 (2020)
This study aimed at improving the cutting performance of a ceramic tool to which were added solid lubricant particles. We prepared the self-lubricating ceramic tool by adding CaF2@Al2O3 instead of CaF2, and the self-lubricating ceramic tool with Al2O