Results 51 to 60 of about 551,946 (237)

Experimental Study on Electro-Spark Additive/Subtractive Repair for Worn Cemented Carbide

Machines, 2023
Worn cemented carbide tool bits are often discarded because of the difficulty of their repair, resulting in a great deal of waste. Surface strengthening technology often extends the service life of worn tools.
Yu Liu, Jiawei Qu, Xintong Cai, Wenchao Zhang, Shengfang Zhang   +4 more
doaj   +1 more source

In Situ X‐Ray Tomography and Acoustic Emission Monitoring of Damage Evolution in C/C‐SiC Composites Fabricated by Liquid Silicon Infiltration

Advanced Science, EarlyView.
This study investigates how the internal structure of fiber‐reinforced ceramic composites affects their resistance to damage. By combining 3D X‐ray imaging with acoustic emission monitoring during mechanical testing, it reveals how silicon distribution influences crack formation.
Yang Chen, Renato S. M. Almeida, Stefan Flauder, Guillaume Couégnat, Kamen Tushtev, Jürgen Horvath, Peter Wriggers, Kurosch Rezwan   +7 more
wiley   +1 more source

Eco‐Efficient Processing and Refining Routes for Secondary Raw Materials from Silicon Ingot and Wafer Manufacturing

Advanced Energy and Sustainability Research, EarlyView.
The ICARUS project developed pilot‐scale processes to recover and refine secondary raw materials from silicon photovoltaic (PV) ingot and wafer manufacturing waste. Silicon kerf, graphite, and silica residues are purified into high‐value inputs for the PV value chain and beyond.
Martin Bellmann, Berhane Darsene Dimd, Anne‐Karin Søiland, Arne Dahle, C. Landaas, Victorien Iwaszko, Rene Peche, Wolfram Palitzsch, Philippe Lenain, Iratxe de Meatza, Theodora Kyratsi, Liu Huiping, Emanuele Milani, Guy Chichignoud, Stefan Fischer, Almut Schwenke, Eirik Nordboe, Marco Pieterse, Roland Riva   +18 more
wiley   +1 more source

Optimization of Heat Treatment Process and Strengthening–Toughening and Mechanism for H13 Steel

Metals
This study investigates H13 steel through Q-P-T (quenching–partitioning–tempering) heat treatment experiments, focusing on the effects of quenching and tempering temperatures on its microstructure and mechanical properties.
Yuzhong Wang, Xiaoping Ren, Zhiheng Hou, Aisheng Jiang, Jinfu Zhao, Zhanqiang Liu   +5 more
doaj   +1 more source

Properties of variable distribution density of micro-textures on a cemented carbide surface

Journal of Materials Research and Technology, 2021
Titanium alloys are difficult-to-machine materials that exhibit a low machining efficiency, yielding its restricted applications. The combination of micro-textures and a cemented carbide surface cutter can effectively improve the cutting performance and ...
Xin Tong, Jianing Shen, Shuai Su
doaj   +1 more source

A Comparative Study on the Electrochemical Corrosion Behavior of WC-Ni-Si and WC-Co Cemented Carbides [PDF]

Materials Research
This study investigates the microstructure and corrosion behavior of WC-NiSi cemented carbide produced by conventional powder metallurgy, with comparative analysis against traditional WC-Co cemented carbide.
Flávio Amaury de Freitas Matos, Edmilson Otoni Corrêa, Nádia Alves Nery Balbino, Danilo Roque Huanca   +3 more
doaj   +1 more source

Review of Flash Joule Heating for the Synthesis of Graphene and Other Functional Carbon Materials

Carbon Energy, EarlyView.
ABSTRACT Flash Joule heating (FJH), as a high‐efficiency and low‐energy consumption technology for advanced materials synthesis, has shown significant potential in the synthesis of graphene and other functional carbon materials. Based on the Joule effect, the solid carbon sources can be rapidly heated to ultra‐high temperatures (> 3000 K) through ...
Zhiwu Tan, Faisal Mahmood, Mengzhen Tian, Yimeng Li, Qingfa Zhang, Zhong Ma, Mingfeng Wang, Weiwei Liu, Shihong Zhang, Haiping Yang, Bin Li   +10 more
wiley   +1 more source

Stress Corrosion Tests for Prestressing Steels—Part 2: Susceptibility of Quenched and Tempered Wires—Influence of Chromium

Materials and Corrosion, EarlyView.
Cr‐alloyed quenched and tempered prestressing steel wires were found to be as highly susceptible as non‐Cr‐alloyed ones. This finding is in contrast to the known literature. A newly developed and reproducible method for assessing susceptibility to hydrogen‐induced stress corrosion cracking was used.
Lando Seifert, Thoralf Müller, Dirk Bettge, Jörg Moersch, Bernd Isecke, Gino Ebell   +5 more
wiley   +1 more source

Numerical simulation and experimental study on electrochemical milling of cemented carbide

Advances in Mechanical Engineering, 2023
In response to the difficulties in machining cemented carbide, this paper proposes a new approach to electrochemical milling of cemented carbide. A composite rotating tool cathode for electrochemical milling is designed, and the electric field simulation
Yafeng He, Bo Xu, Hun Guo, Xurong Zhou, Jianhui Bai   +4 more
doaj   +1 more source

Arbuscular mycorrhizal fungal inoculation increases the bioavailability of zinc and iron in wheat grain

PLANTS, PEOPLE, PLANET, EarlyView.
Bread wheat is an important crop that supplies calories and nutrients to the global population. Enhancing the concentrations and bioavailability of essential micronutrients in wheat is crucial for human nutrition, and we investigated whether arbuscular mycorrhizal (AM) fungi can contribute to the biofortification of wheat.
Thi Diem Nguyen, Alexander A. T. Johnson, Enzo Lombi, Casey L. Doolette, Euan Smith, Stephanie J. Watts‐Williams   +5 more
wiley   +1 more source