Search Results - "International journal of refractory metals & hard materials"

Methods for improving ductility of tungsten - A review by Ren, Chai, Fang, Z.Zak, Koopman, Mark, Butler, Brady, Paramore, James, Middlemas, Scott

“…Pure tungsten and tungsten alloys with minor alloying additions are known to be brittle at room temperature and have high ductile-to-brittle transition…”
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A critical review of diamond like carbon coating for wear resistance applications by Tyagi, Ankit, Walia, R.S., Murtaza, Qasim, Pandey, Shailesh M., Tyagi, Pawan K., Bajaj, Bharat

“…In recent years innovation in carbon based materials have encouraged both researchers as well as industrialists to develop materials/composites with improved…”
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Microscopic theory of hardness and design of novel superhard crystals by Tian, Yongjun, Xu, Bo, Zhao, Zhisheng

“…Hardness can be defined microscopically as the combined resistance of chemical bonds in a material to indentation. The current review presents three most…”
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Fabrication and properties of extrusion-based 3D-printed hardmetal and cermet components by Lengauer, Walter, Duretek, Ivica, Fürst, Markus, Schwarz, Viktoria, Gonzalez-Gutierrez, Joamin, Schuschnigg, Stephan, Kukla, Christian, Kitzmantel, Michael, Neubauer, Erich, Lieberwirth, Clemens, Morrison, Vincent

“…Hardmetal and cermet bodies were printed by fused-filament fabrication (FFF) and composite-extrusion modelling (CEM) in an SDS (shaping – debinding –…”
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Microstructures and mechanical properties of FeCoCrNi high entropy alloy/WC reinforcing particles composite coatings prepared by laser cladding and plasma cladding by Peng, Y.B., Zhang, W., Li, T.C., Zhang, M.Y., Wang, L., Song, Y., Hu, S.H., Hu, Y.

“…FeCoCrNi HEA coatings with 20% mass fraction of WC reinforcing particles were prepared by two different cladding methods, laser cladding (LC) and plasma…”
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Experimental and theoretical study of Ti20Zr20Hf20Nb20X20 (X=V or Cr) refractory high-entropy alloys by Fazakas, É., Zadorozhnyy, V., Varga, L.K., Inoue, A., Louzguine-Luzgin, D.V., Tian, Fuyang, Vitos, L.

“…We investigated the microstructure and mechanical properties of Ti20Zr20Hf20Nb20X20 (X=V or Cr) high-entropy alloys (HEA), produced by induction melting and…”
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Development of TiCN-based cermets: Mechanical properties and wear mechanism by Peng, Ying, Miao, Hezhuo, Peng, Zhijian

“…In order to improve the performances of TiCN-based cermets, researchers have paid much attention directly towards developing various new spices of cermets. The…”
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Synergistic effects of graphite nano-flakes and submicron SiC particles on the characteristics of spark plasma sintered ZrB2 nanocomposites by Parvizi, Soroush, Ahmadi, Zohre, Zamharir, Mehran Jaberi, Shahedi Asl, Mehdi

“…ZrB2 ceramic (Z), ZrB2–25 vol% SiC composite (ZS) and ZrB2–25 vol% SiC composite doped with 5 wt% graphite (ZSG) were fabricated by spark plasma sintering…”
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Experimental investigation on tool wear characteristics of PVD and CVD coatings during face milling of Ti 6242S and Ti-555 titanium alloys by An, Qinglong, Chen, Jie, Tao, Zhengrui, Ming, Weiwei, Chen, Ming

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Ductile to brittle transition temperature of advanced tungsten alloys for nuclear fusion applications deduced by miniaturized three-point bending tests by Yin, Chao, Terentyev, Dmitry, Zhang, Tao, Nogami, Shuhei, Antusch, Steffen, Chang, Chih-Cheng, Petrov, Roumen H., Pardoen, Thomas

“…A large campaign of characterization of the ductile to brittle transition temperature (DBTT) and microstructure has been performed on several commercial and…”
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Effect of micro-textured tools on machining of Ti–6Al–4V alloy: An experimental and numerical approach by Arulkirubakaran, D., Senthilkumar, V., Kumawat, Vijay

“…In this work, an attempt is made to reduce the detrimental effects that occurred during machining of Ti–6Al–4V by employing surface textures on the rake faces…”
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Mechanical and microstructural characterization of WC-Co consolidated by binder jetting additive manufacturing by Mariani, Marco, Goncharov, Ivan, Mariani, Davide, De Gaudenzi, Gian Pietro, Popovich, Anatoly, Lecis, Nora, Vedani, Maurizio

“…A study was carried out to investigate the influence of the initial powder features on the microstructure, the phase composition, and on the mechanical…”
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Cutting performance and wear mechanism of nanoscale and microscale textured Al2O3/TiC ceramic tools in dry cutting of hardened steel by Xing, Youqiang, Deng, Jianxin, Zhao, Jun, Zhang, Guodong, Zhang, Kedong

“…Nanoscale and microscale textures with different geometrical characteristics were fabricated on the surface of the Al2O3/TiC ceramic tool, and molybdenum…”
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The crack and pore formation mechanism of Ti–47Al–2Cr–2Nb alloy fabricated by selective laser melting by Shi, Xuezhi, Wang, Huaxue, Feng, Wuwei, Zhang, Yulian, Ma, Shuyuan, Wei, Jun

“…In this study, a broad range of parameter combinations (laser power: 100–400 W; scanning speed: 10–90 mm/s) were used to fabricate Ti-47Al-2Cr-2Nb alloy at the…”
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Roles of solid loading in stereolithography additive manufacturing of ZrO2 ceramic by Zhang, Keqiang, Meng, Qiaoyu, Zhang, Xueqin, Qu, Zhaoliang, Jing, Shikai, He, Rujie

“…The stereolithography additive manufacturing is reported to fabricate ZrO2 ceramic components with complex-shapes for various military and engineering…”
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Effect of processing parameters on the density, microstructure and strength of pure tungsten fabricated by selective electron beam melting by Yang, Guangyu, Yang, Pengwei, Yang, Kun, Liu, Nan, Jia, Liang, Wang, Jian, Tang, Huiping

“…Pure tungsten samples were prepared by the selective electron beam melting (SEBM) process. The effect of the SEBM process parameters on the density,…”
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Molybdenum and tungsten manufactured by selective laser melting: Analysis of defect structure and solidification mechanisms by Braun, J., Kaserer, L., Stajkovic, J., Leitz, K.-H., Tabernig, B., Singer, P., Leibenguth, P., Gspan, C., Kestler, H., Leichtfried, G.

“…In this work, processing of molybdenum and tungsten by Selective Laser Melting (SLM) is analyzed. The study reveals the impact of the oxygen content of the…”
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Synthesis, sintering, and mechanical properties of nanocrystalline cemented tungsten carbide – A review by Fang, Z. Zak, Wang, Xu, Ryu, Taegong, Hwang, Kyu Sup, Sohn, H.Y.

“…Nanocrystalline WC–Co materials have been the subject of interests and focus of research programs around the world for the past two decades owing to the…”
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Ductilisation of tungsten (W): On the shift of the brittle-to-ductile transition (BDT) to lower temperatures through cold rolling by Reiser, Jens, Hoffmann, Jan, Jäntsch, Ute, Klimenkov, Michael, Bonk, Simon, Bonnekoh, Carsten, Rieth, Michael, Hoffmann, Andreas, Mrotzek, Tobias

“…Here we show that cold rolling decreased the brittle-to-ductile transitions (BDT) temperature of tungsten (W). Furthermore, we show that the BDT temperature…”
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Additive manufacturing of WC-20Co components by 3D gel-printing by Zhang, Xinyue, Guo, Zhimeng, Chen, Cunguang, Yang, Weiwei

“…3D gel-printing (3DGP) is a novel manufacturing technology, which builds a 3D component by depositing and gelating metal slurry layer by layer. In this paper,…”
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