Zobrazeno 1 - 10
of 7 396
pro vyhledávání: '"cemented carbide"'
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 2279-2295 (2024)
Wear failure of oil drill bits leads to cost increase, and how to improve the abrasion resistance of cemented carbide (WC–Co) drill bits is an urgent problem, and deep cryogenic treatment (DCT) is a feasible method. The effect of DCT time (i.e., 0,
Externí odkaz:
https://doaj.org/article/7a4cae88edcb4ca4ac9830422af9aa03
Autor:
YU Shunshi, CHEN Song, LI Guanghui, LI Hui, LIN Yan, LI Hongfeng, DAI Siyuan, WU Tizhen, WANG Weiguo
Publikováno v:
Cailiao gongcheng, Vol 52, Iss 7, Pp 204-213 (2024)
Electron backscatter diffraction， five parameter analysis， overlap-pole-figure analysis and near coincident site analysis were used to investigate the interface character distributions of WC/WC grain boundaries and WC/Co phase boundaries in WC/Co
Externí odkaz:
https://doaj.org/article/192d05a9156744daa4243bb6267e1ed7
Publikováno v:
Cailiao gongcheng, Vol 52, Iss 7, Pp 109-119 (2024)
WC-Co cemented carbide has applied in various fields due to its excellent properties. However， the defects of Co bonding phase in hard alloys， such as low hardness， low wear resistance， and poor high-temperature stability， limit their use.
Externí odkaz:
https://doaj.org/article/ecf0a80091e84521b5f920d1eee78978
Publikováno v:
Journal of Asian Ceramic Societies, Vol 12, Iss 3, Pp 257-265 (2024)
WC-Co composites are widely used in cutting tools but are expensive and harmful due to Co in the composites. Alternatives, such as WC-Ni composites have inferior mechanical properties, as a result, WC-Co composites are used in most cutting tools. Thi
Externí odkaz:
https://doaj.org/article/12ab2f1ae8654953b9671e2e97973563
Autor:
Jianping Fu, Li Zhang, Hang Wang, Yuxia Zhao, Xiaohui Yang, Jinfang Zhang, Zhigang Chen, Yuankui Cao, Bin Liu, Xiaofeng Li
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 9093-9101 (2024)
In this study, WC-12Co cemented carbides were prepared by laser powder bed fusion (LPBF) on a WC-20Co substrate. The effects of the scanning speed and the substrate on the microstructure, mechanical properties and wear characteristics of the WC-12Co
Externí odkaz:
https://doaj.org/article/389084b2233f4afa952eff7f9dc106df
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 1370-1381 (2024)
Determining toughness properties is crucial for the development of components made of brittle materials, especially at the microscale. Numerous methods rely on establishing a limit load that triggers the propagation of a pre-cracked specimen. The pri
Externí odkaz:
https://doaj.org/article/4028a6b4a1794863923e3ae7fdda2f78
Autor:
ManFeng Gong, GuangFa Liu, Meng Li, XiaoQun Xia, Lei Wang, JianFeng Wu, ShanHua Zhang, Fang Mei
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 68, Iss No 4, Pp 1563-1570 (2023)
WC-8Co cemented carbide was prepared by a high-temperature liquid phase sintering in argon at 5-200 Pa. Three microtextured grooves with a spacing of 500, 750, and 1000 μm were prepared on the surface of WC-8Co cemented carbide. TiAlCrSiN multi-elem
Externí odkaz:
https://doaj.org/article/6cce8519ebd04cbfba109d99ef68b967
Autor:
Qiuli PAN, Rongliang ZHANG
Publikováno v:
Jin'gangshi yu moliao moju gongcheng, Vol 43, Iss 6, Pp 698-703 (2023)
In order to solve the problem that it is difficult to grow diamond films with high binding force on the surface of high cobalt cemented carbide, the Cr/CrSiN film was used as the transition layer, and the nanocrystalline diamond films (NCD), the subm
Externí odkaz:
https://doaj.org/article/d8c115036cd84d62bb96eb476741ce70
Autor:
Mikhail Sergeevich Lebedev, Vladimir Vasilevich Promakhov, Lyudmila Yurievna Ivanova, Natalya Valentinovna Svarovskaya, Marina Ivanovna Kozhukhova, Marat Izralievich Lerner
Publikováno v:
Metals, Vol 14, Iss 11, p 1308 (2024)
This article researches the effect of ultrafine (submicron) tungsten carbide powder addition on the microstructure and mechanical properties of WC-10Co cemented carbide produced by the extrusion of a highly filled polymer. This addition aims to devel
Externí odkaz:
https://doaj.org/article/82fa69e02041482aaf78bf741a436583
Publikováno v:
Crystals, Vol 14, Iss 11, p 947 (2024)
Binder Jetting (BJT), a powder-based additive manufacturing technology, has been shown to be a fast and reproducible green shaping process for many different metals. Due to its high productivity and versatility in material processing, BJT is gaining
Externí odkaz:
https://doaj.org/article/774f4877989d4684b72eb93723a1094c