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Recent Nanotechnology and Precision Engineering Articles

Recently published articles from Nanotechnology and Precision Engineering.

Investigation on tool wear and tool life prediction in micro-milling of Ti-6Al-4V

December 2018
Amin Dadgari | Dehong Huo | David Swailes

Short tool life and rapid tool wear in micromachining of hard-to-machine materials remain a barrier to the process being economically viable. In this study, standard procedures and conditions set by...

Effect of particle-particle interaction on dielectrophoretic single particle trap in a sudden contraction flow

December 2018
Haihang Cui | Rui Ma | Li Chen | Hongyan Zhang

Dielectrophoretic (DEP) force is significant in manipulating tiny objects in micro/nano scale. To study the effect of electric interaction force on particle manipulation, a microstructure consisting...

Study on the method of precision adjustment of star sensor

December 2018
Xiaoyan Wang | Ran Zheng | Yanpeng Wu | Jianbo Sun | Jun Zhong | Long Wang | Miaomiao Wang

Star sensors are indispensable spatial measurement sensors for high-resolution earth observation and astronomical observations, and the demand for high measurement accuracy of satellite sensors continues...

CFD-based design and analysis of air-bearing-supported paint spray spindle

December 2018
Ali Khaghani | Kai Cheng

In this paper, an analytical scientific approach is presented for the design and analysis of an air-turbine-driven paint spray spindle, and it is used to improve further the design concept of the existing...

Review of low timing jitter mode-locked fiber lasers and applications in dual-comb absolute distance measurement

December 2018
Haosen Shi | Youjian Song | Runmin Li | Yuepeng Li | Hui Cao | Haochen Tian | Bowen Liu | Lu Chai | Minglie Hu

Passively mode-locked fiber lasers emit femtosecond pulse trains with excellent short-term stability. The quantum-limited timing jitter of a free running femtosecond erbium-doped fiber laser working...

Finite element simulation of the micromachining of nanosized-silicon-carbide-particle reinforced composite materials based on the cohesive zone model

December 2018
Hongmin Pen | Jianhua Guo | Zizhen Cao | Xianchong Wang | Zhiguo Wang

A finite element method based on the cohesive zone model was used to study the micromachining process of nanosized silicon-carbide-particle (SiCp) reinforced aluminum matrix composites. As a hierarchical...

Optimization experiment on eccentric lapping of cylindrical rollers

September 2018
Jia Su | Julong Yuan | Sen Zhang | Binghai Lv

Cylindrical rollers are important elements of bearings, and their machining accuracy and consistency affect the bearing quality. Using a GCr15 cylindrical roller of Ф11 × 12 as the processing object...

Two-dimensional distributed strain sensing with an Archimedean spiral arrangement in optical frequency domain reflectometry

September 2018
Yamei Guo | Zhenyang Ding | Kun Liu | Junfeng Jiang | Chenhuan Wang | Tiegen Liu

We demonstrate a distributed two-dimensional (2D) strain-sensing system in optical frequency domain reflectometry (OFDR) with an Archimedean spiral arrangement of the sensing fiber. The Archimedean...

Au maskless patterning for vacuum packaging using the electrochemical method

September 2018
Bo Xie | Deyong Chen | Junbo Wang | Jian Chen | Wen Hong

The interconnection of wires is an important issue in vacuum-packaged microelectromechanical systems devices because of the difficulties of hermetical sealing and electrical insulation. This paper presents...

Formation of subsurface cracks in silicon wafers by grinding

September 2018
Jingfei Yin | Qian Bai | Yinnan Li | Bi Zhang

Single-crystal silicon is an important material in the semiconductor and optical industries. However, being hard and brittle, a silicon wafer is vulnerable to subsurface cracks (SSCs) during grinding,...

Kinematic error modeling and error compensation of desktop 3D printer

September 2018
Shane Keaveney | Pat Connolly | Eoin D. O'Cearbhaill

Desktop 3D printers have revolutionized how designers and makers prototype and manufacture certain products. Highly popular fuse deposition modeling (FDM) desktop printers have enabled a shift to low-cost...

Anisotropic brittle-ductile transition of monocrystalline sapphire during orthogonal cutting and nanoindentation experiments

September 2018
Philipp Maas | Yuta Mizumoto | Yasuhiro Kakinuma | Sangkee Min

Single-crystal sapphire is utilized as a high-performance engineering material, especially in extreme and harsh environments. However, due to its extreme hardness and brittleness, the machinability...

Active-Thermal-Tunable Terahertz Absorber with Temperature-Sensitive Material Thin Film

June 2018
Zhao Zhang | Zhen Tian | Chao Chang | Xueguang Wang | Xueqian Zhang | Chunmei Ouyang | Jianqiang Gu | Jiaguang Han | Weili Zhang

It is shown that active-tunable terahertz absorbers can be realized in a sandwich-structured system comprising an ultrathin dielectric film (polyimide) on a temperature-sensitive substrate (InSb) with...

An E-type Temperature Sensor for Upper Air Meteorology

June 2018
Shangbang Han | Qingquan Liu | Xu Han | Wei Dai | Jie Yang

An E-type high-precision temperature sensor, which is adopted for upper air meteorology, was proposed in this paper. A computational fluid dynamics (CFD) method was implemented to analyze temperature...

An Investigation on Efficient Acoustic Energy Reflection of Flexible Film Bulk Acoustic Resonators

June 2018
Chuanhai Gao | Yuan Jiang | Lin Zhang | Bohua Liu | Menglun Zhang

This paper investigates the issues on acoustic energy reflection of flexible film bulk acoustic resonators (FBARs). The flexible FBAR was fabricated with an air cavity in the polymer substrate, which...

Electrostatic Actuating Bendable Flat Electrode for Micro Electrochemical Machining

June 2018
Ruining Huang | Xiaokun Zhu

In micro-electrochemical machining (μECM), material dissolution takes place at very close vicinity of tool electrode due to localization of electric field. Controlling the gap between tool electrode...

Self-Adaptive Grinding for Blind Tip Reconstruction of AFM Diamond Probe

June 2018
Linyan Xu | Qishan Guo | Shuangbei Qian | Sen Wu

Blind tip reconstruction (BTR) method is one of the favorable methods to estimate the atomic force microscopy (AFM) probe shape. The exact shape of the characterizer is not required for BTR, while the...

Analysis of Vibrational Performance of A Piezoelectric Micropump with Diffuse/Nozzle Microchannel

June 2018
Yanfang Guan | Xiang Li

Piezoelectric transducers of different external diameters are designed and fabricated and incorporated into micropumps. Through finite element analysis, it is shown that the volume efficiency of the...

Tribological Performance of Bioimplants: A Comprehensive Review

June 2018
Gang Shen | Fengzhou Fang | Chengwei Kang

Total joint replacements (TJR) have been a huge success for orthopaedic surgery in the past century and are gaining increasing importance today due to the aging population. However, the short longevity...

Time Domain Subdivision Method for Optical Grating Signal Based on Time Series Analysis

March 2018
Wang Baozhu | Li Wenjuan | Peng Kai | Wang Qiang | Li Meili

Aiming at the restriction of the Moire signal quality on the subdivision multiple and accuracy, a time domain subdivision method for optical grating signals based on time series analysis is proposed....

A Simple Stable Inertial Nanopositioner with Piezoelectric Stacks

March 2018
Pang Zongqiang | Zhang Yue | Zhou Zeqing | Rong Zhou

To build a simple and stable nanopositioner which can reduce the complexity of the scanning probe microscopy (SPM) system, a novel inertial nanopositioner with piezoelectric stacks is present ed. The...

Effect of Surfactants in Aqueous Solutions on Oil-Resisting Performance of Membrane Surfaces with Charges by Atomic Force Microscopy

March 2018
Hu Xiaodong | Han Jing | Xu Linyan | Qian Shuangbei | Guo Tong | Wu Sen | Liu Yanan | Jiang Zhongyi

The state of the surface of oil droplet can be changed obviously by adding a small amount of surfactant in water. The oil-resisting performance of membranes for water/oil separation has a significant...

Numerical Simulation of the Effect of Gravitational Direction on Particle Deposition in Pulmonary Acinus under the Condition of Breath Holding

March 2018
Wu Tao | Zhang Hongyan | Cui Haihang

A two-dimensional CFD simulation is conducted to study the effect of the gravitational direction on particle deposition in pulmonary acinus when the breath is held for a short time. The results show...

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