Results 21 to 30 of about 1,366,171 (283)

Modelling and simulation of the dynamic cutting process and surface topography generation in nano/micro cutting [PDF]

, 2008
In nano/micro cutting process, the surface quality is heavily dependent on all the dynamic factors in machining including those from the material, tooling, cutting parameters, servo accuracy, mechanical structure deformation, and non-linear factors as ...
Cheng, K, Zhou, L
core   +6 more sources

Physical-metallurgical properties and micro-milling machinability evaluation of high entropy alloy FeCoNiCrAlx

Journal of Materials Research and Technology, 2022
High-entropy alloy (HEA) belongs to the emerging multi-principal alloy with excellent mechanical-physical properties. The material machinability is critical for cutting planning, especially for novel materials with various chemical compositions and ...
Xiaoliang Liang, Chunjin Wang, Canbin Zhang, Chi Fai Cheung   +3 more
doaj   +1 more source

Design of a five-axis ultra-precision micro-milling machine—UltraMill. Part 1: Holistic design approach, design considerations and specifications [PDF]

, 2009
High-accuracy three-dimensional miniature components and microstructures are increasingly in demand in the sector of electro-optics, automotive, biotechnology, aerospace and information-technology industries.
Wardle, F, Cheng, K, Huo, D, Wardle, F., Huo, D., Cheng, K.   +5 more
core   +1 more source

Design and Modeling of a Novel Tripteron-Inspired Triaxial Parallel Compliant Manipulator with Compact Structure

Micromachines, 2022
Compliant mechanisms are popular to the applications of micro/nanoscale manipulations. This paper proposes a novel triaxial parallel-kinematic compliant manipulator inspired by the Tripteron mechanism.
Yanlin Xie, Yangmin Li, Chifai Cheung
doaj   +1 more source

Effect of Wetting Characteristics of Polishing Fluid on the Quality of Water-Dissolution Polishing of KDP Crystals

Micromachines, 2022
KDP crystals constitute the only laser-frequency conversion and electro-optical switches that can be used in laser systems for inertial confinement fusion.
Xu Wang, Hang Gao, Qianfa Deng, Jinhu Wang, Hongyu Chen, Julong Yuan   +5 more
doaj   +1 more source

Reconstruction of Misalignment Aberrations for Cylindrical Surfaces with Complex Parameters in Pseudo Lateral Shearing Interferometry

Sensors
Cylindrical surfaces with complex parameters (CSCPs) have off-axis and aspheric properties. High-precision measurement of cylindrical surfaces is a key research focus in optical metrology.
Yuxuan Ren, Weizhou Luo, Yang Chen, Le Zhao, Liuqing He, Siqi Zhang, Kuo Hai, Xiaodong Zhang, Zhongming Zang   +8 more
doaj   +1 more source

Contrast Experiments in Dielectrophoresis Polishing (DEPP)/Chemical Mechanical Polishing (CMP) of Sapphire Substrate

Applied Sciences, 2019
The broad applications of sapphire substrates in many fields warrants an urgent demand for a highly efficient and high precision polishing method for the sapphire substrates.
Tianchen Zhao, Julong Yuan, Qianfa Deng, Kaiping Feng, Zhaozhong Zhou, Xu Wang   +5 more
doaj   +1 more source

Brittle–ductile transition during diamond turning of single crystal silicon carbide [PDF]

, 2013
In this experimental study, diamond turning of single crystal 6H-SiC was performed at a cutting speed of 1 m/s on an ultra-precision diamond turning machine (Moore Nanotech 350 UPL) to elucidate the microscopic origin of ductile-regime machining ...
Reuben, Robert L, Goel, Saurav, Luo, Xichun, Cox, Andrew, Comley, Paul, Reuben, Robert L.   +5 more
core   +1 more source

An investigation on micro cutting mechanics: Modelling, simulations and experimental case studies [PDF]

, 2014
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University London.Micro cutting is becoming increasingly important since miniature and micro components/products have become more and more demanded in precision ...
Sawangsri, Worapong
core   +7 more sources

Membrane composition and thermodynamic identity as boundaries of life for synthetic cell research

FEBS Letters, EarlyView.
What makes a cell a cell? The boundary of a living cell is not just a wall. Read as a Markov blanket, the membrane separates internal from external states, generating identity and non‐equilibrium order. Can this identity be rebuilt from scratch in a synthetic cell?
Caterina Presutti, Bert Poolman
wiley   +1 more source