-
Article
Study of catalytic properties and grinding performance of single-crystal SiC heterogeneous Fenton reaction grinding discs
To address the challenges associated with the low ultra-precision grinding efficiency of single-crystal SiC, this paper proposes an ultra-precision processing method based on the heterogeneous Fenton reaction....
-
Article
Cluster magnetorheological global dynamic pressure planarization processing of single crystal sapphire
The ultra-smooth planarization processing of single crystal sapphire is the basis for the realization of high-performance optoelectronic/micro-electronic devices, and its extremely high hardness and stability ...
-
Article
Study of corrosion rate control mechanism based on magnetorheological electro-Fenton composite polishing of single-crystal GaN wafers
A magnetorheological electro-Fenton composite polishing technology was proposed that enables chemical and mechanical “double enhancement” of the machining process to improve processing efficiency. In this proc...
-
Article
Controllable electrochemical-magnetorheological finishing of single-crystal gallium nitride wafers
Electrochemical magnetorheological finishing (EC–MRF) is an ultrasmooth planarization method that etches a workpiece surface with a controllable electrochemical (EC) method and then removes the etching layer s...
-
Article
Ultrasonic-Assisted Shearing Characteristics of Fe-Based Amorphous Alloy Strips
Ultrasonic-assisted scratching and bending tests were conducted on Fe-based amorphous alloy strips (Fe78Si9B13) to reveal (from a theoretical standpoint) the mechanism of ultrasonic vibration designed to improve ...
-
Article
Processing performance of vitrified bonded fixed-abrasive lap** plates for sapphire wafers
To enhance the lap** effects of sapphire wafers, two vitrified bonded fixed-abrasive lap** plates with different mechanical properties were developed and used to lap sapphire wafers to evaluate the effects...
-
Article
Theoretical and experimental research into a novel method of cluster magnetorheological finishing based on a circular array polishing disk
With the high performance of microelectronic and optoelectronic devices, the new generation of optoelectronic wafers is develo** in the direction of larger size and ultra-thinning, which requires ultra-smoot...
-
Article
The effects of grinding process parameters of a cemented carbide micro-drill on cutting edge burr formation
In the forming grinding of a cemented carbide micro-drill, edge burrs are generated. To explore the formation of the edge burrs, the grinding parameters, such as feed rate, grinding depth, wheel service time, ...
-
Article
Correction to: Influence of Guillotine Clearance on Cut-Edge Damage to Nonoriented Electrical Steel
The corresponding author has been changed from Canming Wang to Qiusheng Yan to ensure that any correspondence is received. The change is made with the agreement of all authors. Qiusheng Yan can be contacted at...
-
Article
Rheological characterisation of abrasive media and finishing behaviours in abrasive flow machining
Flow field simulation of abrasive media in a constrained passage in abrasive flow machining (AFM) plays a decisive role in optimising process parameters and designing the core of a fixture. Based on the experi...
-
Article
Uniformity of cluster magnetorheological finishing with dynamic magnetic fields formed by multi-magnetic rotating poles based on the cluster principle
Cluster magnetorheological finishing (MRF) with dynamic magnetic fields formed by synchronous eccentric rotation of multi-magnetic poles is a novel machining method for ultra-smooth and planarized surfaces. It...
-
Article
An efficient approach to improving the finishing properties of abrasive flow machining with the analyses of initial surface texture of workpiece
Abrasive flow machining (AFM) is a non-traditional finishing process by using the semi-solid abrasive media as a finishing tool, and usually applied to finish fine, complex components in manufacturing industri...
-
Article
Influence of Guillotine Clearance on Cut-Edge Damage to Nonoriented Electrical Steel
Nonoriented electrical steel of 0.65 mm thickness was sheared to investigate the influence of guillotine clearance on cut-edge damage. The result shows that all the burr, work hardening, and magnetic property ...
-
Article
Material removal mechanisms in chemical-magnetorheological compound finishing
With a view to ultra-precision polishing of SiC wafers, the chemical-magnetorheological compound finishing (CMRF) method was proposed based on the principle of the Fenton reaction. To study material removal ch...
-
Article
Research on material removal model and processing parameters of cluster magnetorheological finishing with dynamic magnetic fields
Based on fluid mechanics and Preston equation, the influences of various technological parameters (including rotational speeds of workpieces, magnetic poles, and polishing disk and the machining gap) on polish...
-
Article
Effect of AlTiN-coating oblique guillotine tools on their performance when shearing electrical steel sheets
An AlTiN coating was deposited onto a cemented carbide oblique guillotine tool using arc ion plating technology to improve its shearing performance and wear resistance. Shearing experiments were subsequently c...
-
Article
Material removal process of single-crystal SiC in chemical-magnetorheological compound finishing
Aiming at the material removal of single-crystal SiC in chemical-magnetorheological compound finishing (CMRF), polishing slurries with different components were designed to conduct polishing experiments in thi...
-
Article
Experimental study of surface performance of monocrystalline 6H-SiC substrates in plane grinding with a metal-bonded diamond wheel
Monocrystalline SiC has long been recognised as an ideal third-generation semiconductor material for application in situations where there is high frequency, high power and high voltage. Because of the hardnes...
-
Article
Material removal mechanism of cluster magnetorheological effect in plane polishing
A cluster magnetorheological (MR) plane polishing based on a combination of magnetorheological finishing (MRF) and cluster mechanism (arrange in a regular array) has been developed for large planar optical wor...
-
Article
Parametric investigation into accommodate-sinking effect of cluster magnetorheological effect pad
Based on magnetorheological (MR) fluid, a viscoplastic cluster MR effect pad was formed between the surface of the polishing plate and workpiece. Then an accommodate-sinking effect (AS effect) of MR effect pad...
