Results 21 to 30 of about 57,825 (235)

Ultrafine/nano WC-Co cemented carbide: Overview of preparation and key technologies

Journal of Materials Research and Technology, 2023
Ultrafine/nano WC–Co cemented carbide is widely used because of its high hardness, strength, toughness, and other comprehensive properties. However, WC grain growth during preparation is a persistent issue that hinders the development of this type of ...
Yucheng Wu, Zhenyun Lu, Yongqiang Qin, Zhiyong Bao, Laima Luo   +4 more
doaj   +1 more source

Study of the Processing of a Recycled WC–Co Powder: Can It Compete with Conventional WC–Co Powders? [PDF]

Journal of Sustainable Metallurgy, 2021
AbstractCemented carbide tools suffer from many issues due to the use of tungsten and cobalt as raw materials. Indeed, those are listed by the European Commission as “critical raw materials” since 2011 and by the US Department of Interior as “critical minerals” in 2018.
Mégret, Alexandre, Vitry, Véronique, Delaunois, Fabienne   +2 more
openaire   +2 more sources

Application of cast tungsten carbide particles coated with cobalt powder in diamond saw blades

Jin'gangshi yu moliao moju gongcheng, 2022
The application of the cast WC, the Co powder coated cast WC and the Ni powder coated cast WC particles in diamond saw blades were studied, and their effects on the mechanical properties, the micro morphologies and the cutting properties of the diamond ...
Yingkai LIU, Yang ZHOU, Jiangang LIU, Wenlong HAO   +3 more
doaj   +3 more sources

Novel Tensile Test Jig and Mechanical Properties of WC-Co Synthesized by SHIP and HIP Process

Metals, 2021
Tungsten carbide-cobalt (WC-Co) alloys have various mechanical properties according to their Co content and manufacturing method. High-strength materials such as WC-Co alloys are usually manufactured using various sintering methods.
A-Ra Jo, Ji-Seob An, Sun-Hyung Kim, Myeong-Sik Jeong, Young-Hoon Moon, Sun-Kwang Hwang   +5 more
doaj   +1 more source

Corrosion behavior of WC–Co coating by plasma transferred arc on EH40 steel in low-temperature

High Temperature Materials and Processes, 2022
To investigate the corrosion behavior of WC–Co composite coating, plasma transferred arc (PTA) welding was applied to prepare WC–Co coating on hull steel EH40 for achieving good metallurgical bonding.
Cao QiZheng, Fan Li, Chen HaiYan, Xu YuRong, Dong LiHua   +4 more
doaj   +1 more source

Effects of WC Particle Size and Co Content on the Graded Structure in Functionally Gradient WC-Co Composites

MATEC Web of Conferences, 2016
Functionally gradient WC-Co composites having a Co depleted surface zone and not comprising the h phase can be manufactured via carburizing process.
Yuan Yigao, Fu Lanping, Li Jianpeng
doaj   +1 more source

Effect of WC content on ultrasonic properties, thermal and electrical conductivity of WC–Co–Ni–Cr composites

Open Chemistry, 2022
This study focused on the effect of WC on the ultrasonic properties, thermal and electrical conductivity of WC–Co–Ni–Cr composites. The samples were produced by powder metallurgy method for microstructural, physical, and ultrasonic characterization ...
Bilici Vildan Özkan
doaj   +1 more source

WC-Co-TiC Sermetlerinin Elektrik Akımı Destekli Sinterleme Yöntemi ile Üretimi ve Elektrokimyasal Özelliklerinin İncelenmesi

Düzce Üniversitesi Bilim ve Teknoloji Dergisi, 2022
Bu çalışma kapsamında, Elektrik Akımı Destekli Sinterleme (ECAS) yöntemi kullanılarak 600-4500A akım aralığında yaklaşık 6 dakika gibi bir sürede WC-Co ve ağırlıkça %5, %7,5 ve %10 oranlarında TiC katkılı WC-Co malzemelerinin üretimleri gerçekleştirilmiş
Nuri Ergin, Caner Kocabaş, Özkan Özdemir, Necati Koçak, Mehmet Uysal   +4 more
doaj   +1 more source

Distinguishing contributions of ceramic matrix and binder metal to the plasticity of nanocrystalline cermets

IUCrJ, 2020
Using the typical WC–Co cemented carbide as an example, the interactions of dislocations within the ceramic matrix and the binder metal, as well as the possible cooperation and competition between the matrix and binder during deformation of the ...
Xinru Ge, Xuemei Liu, Chao Hou, Hao Lu, Fawei Tang, Xiangfei Meng, Wenwu Xu, Xiaoyan Song   +7 more
doaj   +1 more source

Influence of starting WC particle size and sintering conditions on structure and properties of WC-Ni-Co coarse grain ceramics [PDF]

Processing and Application of Ceramics
Sintering temperature is the key factor affecting the structure and performance of tungsten carbide (WC) ceramics. Thus, the effect of sintering temperature on the microstructure and mechanical properties of WC-Ni-Co coarse grain ceramics, obtained from ...
Xu Shubo, Wang Shengliang, Xu Chen, Zhao Chenhao, Zhang Weihai, Wang Wenming, Chen Liang, Ren Qihua, Pan Yuefei, Li Jianing, Ren Guocheng, Ni Fei, Han Juanjuan   +12 more
doaj   +1 more source