Explanipedia

Experimental analysis and quality optimization of honeycomb seal structures processed via grinding-assisted electrochemical discharge machining Open

Lu Wang, Xiao Hu, Ningsong Qu, Jinhao Wang, Hansong Li · 2025

Sustainable electrochemical arc machining of SiCp/Al composites from current signals and energy control to applications Open

Yuehong MA, Xiaolong Fang, Guodong Miao, Ningsong Qu · 2025

Corrosion inhibition in electrochemical grinding of honeycomb seal using sodium lignosulfonate Open

J H Wang, Lijuan Wang, H S Li, Ningsong Qu · 2025

Honeycomb seal is an important sealing component in aviation engines, which ensures the gas tightness between the rotor and stator, and it has been widely put into effect for the output efficiency of aero engines. Electrochemical grinding …

Boundary fluid constraints during electrochemical jet machining of large size emerging titanium alloy aerospace parts in gas–liquid flows: Experimental and numerical simulation Open

Yang Liu, Ningsong Qu, Hansong Li, Zhaoyang Zhang · 2024

Large size titanium alloy parts are widely used in aerospace. However, they are difficult to manufacture using mechanical cutting technology because of severe tool wear. Electrochemical jet machining is a promising technology to achieve hi…

Macro electrochemical milling and its hybrid variants Open

Ningsong Qu, Xiaolong Fang, Junzhong Zhang, Huanghai Kong, Yang Liu , et al. · 2023

Macro electromechanical milling has recently attracted increasing attention because numerous large thin-walled structures composed of difficult-to-cut materials are employed in the aerospace field. This paper reviews recent developments in…

Flat jet electrochemical milling of TC4 alloy with tailoring backward parallel flow Open

Huanghai Kong, Ningsong Qu · 2023

In flat jet electrochemical milling, the electrolyte forms a backward parallel flow after impacting the workpiece, resulting in a weak current density distribution on the workpiece. Poor surface quality usually occurs on the machined titan…

Electrochemical Grinding of Honeycomb Seal in 10 Wt.% Nacl Solution Open

Jinhao Wang, Lu Wang, Hansong Li, Ningsong Qu · 2023

Electrochemical Dissolution Characteristics of Gh3536 Alloy in Nacl and Nano3 Solutions Open

Lu Wang, Xiao Hu, Hansong Li, Ningsong Qu, Jinhao Wang · 2023

Experimental investigation of rotary sinking electrochemical discharge milling with high-conductivity salt solution and non-pulsed direct current Open

Xiaokang Yue, Yuehong Ma, Ningsong Qu, Hansong Li · 2022

Electrochemical milling is a modified technique of traditional electrochemical machining (ECM) that can be used to manufacture some helicopter transmission system parts. The use of rotary tools and an inner-jet electrolyte supply pattern c…

Microstructures and Electrochemical Dissolution Characteristics of Additive-Manufactured Stainless Steel 304 on Different Sections at Low Current Density Open

Chenhao Zhao, Ningsong Qu, Xiaochuan Tang · 2021

Additive manufacturing (AM) is a burgeoning technology for fabricating complex components with high efficiency and low material waste. However, the surface of AM parts is rough owing to partially melted powders and severe surface fluctuati…

Effects of Electrolyte Flushing and Surface State on Electropolishing TB2 Titanium Alloy Open

Ying Wei, Xiaolong Fang, Ningsong Qu, Di Zhu · 2021

TB2 titanium alloys are widely used in the aerospace industry. A high surface quality is required for the performance and fatigue life of titanium alloy parts. Electropolishing is useful for thin metal plates owing to its good processabili…

Flow Field Simulation And Experimental Investigation On Macro Electrolyte Jet Electrochemical Turning of TB6 Titanium Alloy Open

Yang Liu, Ningsong Qu, Zhi Qiu · 2021

Electrolyte jet electrochemical turning is an effective method to realize high-quality machining of titanium alloy rotating components; however, minimal research has been carried out in this field. This is because it is difficult to contro…

Improving performance of macro electrolyte jet machining of TC4 titanium alloy: Experimental and numerical studies Open

Minglu Wang, Ningsong Qu · 2021

Electrolyte jet machining (EJM) is a promising method for shaping titanium alloys due to its lack of tool wear, thermal and residual stress, and cracks and burrs. Recently, macro-EJM has attracted increasing attention for its high efficien…

Preparation of Nickel-Cobalt/Carborundum Carbide Composite Coatings by Supergravity Field-Enhanced Electrodeposition Open

Xiaoyun Hu, Ningsong Qu · 2020

Nickel-cobalt/silicon carbide (Ni-Co/SiC) composite coatings were fabricated by supergravity field-enhanced electrodeposition. The surface morphology and the distribution of the SiC particles in the coatings were examined by scanning elect…

Wire Electrochemical Micromachining of Aluminum Rings for the Fabrication of Short-Millimeter Corrugated Horns Open

Xiaolong Fang, Xiangyang Wang, Jiacheng Zhu, Yongbin Zeng, Ningsong Qu · 2020

With the increase of working frequency, the feature size of a corrugated horn will be greatly reduced, causing challenges for fabrication. This paper investigated wire electrochemical micromachining (WECMM) of aluminum rings for assembly o…

Micro-Slit Cutting in an Aluminum Foil Using an Un-Traveling Tungsten Wire Open

Jiacheng Zhu, Xiaolong Fang, Ningsong Qu · 2020

Microslit cutting in aluminum foils is considered to be difficult as aluminum foils have low hardness and deformability. In this study, a novel cutting method is proposed where a tungsten microwire is utilized as the tool to cut aluminum f…

Fabrication of Nanocrystalline Ni-Co Coatings by Electrodeposition under Supergravity Field Open

Xiaoyun Hu, Ningsong Qu · 2019

Effect of Breakdown Behavior of Passive Films on the Electrochemical Jet Milling of Titanium Alloy TC4 in Sodium Nitrate Solution Open

Yuanyuan Wang, Ningsong Qu · 2019

Research on Stagger Coupling Mode of Pulse Duration and Tool Vibration in Electrochemical Machining Open

Xiaochen Jiang, Jia Liu, Di Zhu, Mingming Wang, Ningsong Qu · 2018

Tuning the coupling of pulse duration and tool vibration in electrochemical machining (PVECM) is an effective method to improve machining accuracy and surface quality. In general, the pulse is set at the same frequency as the tool vibratio…

Electrochemical Machining Multiple Slots of Bipolar Plates with Tool Vibration Open

Xiaochen Jiang, Jia Liu, Ningsong Qu · 2018

Electrochemical micromachining of microgroove arrays on phosphor bronze surface for improving the tribological performance Open

Xuan Zhou, Ningsong Qu, Zhibao Hou, Gai Zhao · 2017

A high friction coefficient and a low wear rate of contacted surfaces are essential elements to friction pairs between the stator and the rotor in ultrasonic motors. It has been shown that surface textures have a significant effect on impr…

Simulation and experimental investigation of inner-jet electrochemical grinding of GH4169 alloy Open

Hansong Li, Shuxing Fu, Qingliang Zhang, Shen Niu, Ningsong Qu · 2017

GH4169 alloy is one of the most commonly used materials in aero engine turbine blades, but its machinability is poor because of its excellent strength at high temperatures. Electrochemical machining (ECM) has become a common method for mac…

Investigation of material removal in inner-jet electrochemical grinding of GH4169 alloy Open

Hansong Li, Shen Niu, Qingliang Zhang, Shuxing Fu, Ningsong Qu · 2017

A Study of Electrochemical Machining of Ti-6Al-4V in NaNO3 solution Open

Hansong Li, Chuanping Gao, Guoqian Wang, Ningsong Qu, Di Zhu · 2016

The titanium alloy Ti-6Al-4V is used in many industries including aviation, automobile manufacturing, and medical equipment, because of its low density, extraordinary corrosion resistance and high specific strength. Electrochemical machini…

Electrochemical machining of burn-resistant Ti40 alloy Open

Zhengyang Xu, Jia Liu, Dong Zhu, Ningsong Qu, Xiaolong Wu , et al. · 2015

This study investigates the feasibility of using electrochemical machining (ECM) to produce critical aeroengine components from a new burn-resistant titanium alloy (Ti40), thereby reducing costs and improving efficiency relative to convent…

Experimental Investigation on Electrochemical Grinding of Inconel 718 Open

Ningsong Qu, Q.L. Zhang, Xiaolong Fang, E.K. Ye, Dong Zhu · 2015

Electrochemical grinding (ECG) is a variation of electrochemical machining (ECM), in which material is removed from the workpiece by simultaneous electrochemical reaction and mechanically abrasive action. It offers a number of advantages o…

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