Results 41 to 50 of about 206 (118)

Effect of lapping pressure on surface quality of polycrystalline diamond

open access: yesJin'gangshi yu moliao moju gongcheng
ObjectivesPolycrystalline diamond (PCD), as a superhard material with high hardness, high wear resistance, and good impact toughness, has a wide range of applications in fields such as cutting tools for superhard materials.
Guodong SUN   +4 more
doaj   +3 more sources

Heat-treated substrate facilitates interrupted cutting of PCD tools

open access: yesJin'gangshi yu moliao moju gongcheng, 2018
Polycrystalline diamond (PCD) tools have poor thermal toughness, thus less used in interrupted machining with impact. To improve the performance of PCD tools, the substrate was heat-treated to strengthen its bond with PCD and new PCD tools were made to ...
SU Yanbin, SHAO Huili, WU Ruige
doaj  

Biological and Mechanical Limitations for Chronic Fast‐Scan Cyclic Voltammetry Sensor Design

open access: yesAdvanced Materials Technologies, Volume 10, Issue 11, June 5, 2025.
Real‐time detection of neurochemicals has demonstrated value in the field of neuroscience. However, current methods have limitations for use in the chronic setting, which is often the ideal environment for research. This article discusses these limitations, as well as technologies that have been developed to overcome them, and provides recommendations ...
Mason L. Perillo   +6 more
wiley   +1 more source

Synthesis and performance of nano-polycrystalline diamond

open access: yesJin'gangshi yu moliao moju gongcheng, 2018
Traditional polycrystalline diamond (PCD) has been widely used in the fields of mechanical processing and mineral exploration. However, due to the existence of binders or sintering aids, the deterioration of mechanical properties greatly limits its ...
TANG Hu   +5 more
doaj  

Experimental Study on the Rock Breaking Effect of Stepped Cyclic Electro‐Hydraulic Shockwaves: The Influence of Liquid Conductivity and Electrode‐Rock Spacing

open access: yesEnergy Science &Engineering, Volume 13, Issue 4, Page 1609-1621, April 2025.
ABSTRACT Stepped cyclic electro‐hydraulic shockwave drilling technology (S‐EHSD) utilizes cyclic alternating shockwave loads to break rocks more quickly. In recent years, S‐EHSD is considered a potential new technology that can effectively improve the drilling speed of oil and gas wells. Therefore, it is necessary to study the impact of key influencing
Hongwei Yang   +7 more
wiley   +1 more source

Innovative Machining Strategies for Metal Matrix Composites: Trends and Future Prospects

open access: yesAdvances in Materials Science and Engineering, Volume 2025, Issue 1, 2025.
Metal matrix composites (MMCs) have become increasingly crucial in high‐performance applications due to their superior properties like outstanding wear resistance, high specific strength, and low thermal expansion. This review comprehensively examines the machining of MMCs, focusing on both conventional and nonconventional techniques.
Olugbenga Ogunbiyi   +5 more
wiley   +1 more source

Integrated Neural Network Analysis of Machining Characteristics in Dry‐Turned Al7075/FA0.9SiC0.9 Hybrid Composite Using PCD Inserts

open access: yesJournal of Engineering, Volume 2025, Issue 1, 2025.
This study presents a comprehensive analysis of the machinability characteristics of an aluminum‐based hybrid nanocomposite (Al7075 reinforced with 0.9 wt.% fly ash and 0.9 wt.% SiC) fabricated using an ultrasonically assisted stir‐casting technique.
Sunil Setia   +6 more
wiley   +1 more source

Evaluation, tribological examination, and multi‐objective optimization of aluminum‐fly ash‐egg shell composites for sustainability

open access: yesEngineering Reports, Volume 6, Issue 12, December 2024.
Characterization, tribological analysis, and multi‐objective optimization of aluminum‐fly ash‐egg shell hybrid sustainable composites. Abstract This study addresses the technological challenge of enhancing the mechanical and tribological properties of Al 6082 alloy by incorporating fly ash (FA) and eggshell (ES) as reinforcing materials.
J. Narendran   +4 more
wiley   +1 more source

Research progress on binderless PCD and PCBN materials

open access: yesJin'gangshi yu moliao moju gongcheng, 2016
The preparation method,sintering mechanisms,methods for improving their sintering behavior,and their properties for binderless polycrystalline cubic boron nitride(PCBN)and polycrystalline diamond(PCD)materials have been summarized and discussed.The dense
ZHANG Taiquan
doaj  

Potential of Photoelectric Stimulation with Ultrasmall Carbon Electrode on Neural Tissue: New Directions in Neurostimulation Technology Development

open access: yesAdvanced Functional Materials, Volume 34, Issue 41, October 8, 2024.
While traditional neurostimulation methods face challenges that limit their efficacy, this study focuses on alternative photoelectric‐based stimulation using minimally invasive carbon electrodes. It includes a detailed examination of various strategies such as material selection, laser scanning, photovoltaic interfaces, and integrated drug delivery ...
Keying Chen   +8 more
wiley   +1 more source

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