Results 101 to 110 of about 13,857 (178)

Quality Evaluation of Micro-Holes Processed by Efficient One-Step Femtosecond Laser Helical Drilling Method in Nickel-Based Superalloy

Applied Sciences
This research work details the main factors affecting the orifice and profile morphology of micro-holes processed by the one-step femtosecond laser helical drilling method.
Mingquan Li, Yiyu Chen, Li Dong, Dan Liu, Xudong Sun   +4 more
doaj   +1 more source

Spray mist-assisted drilling of through silicon vias (TSV) using nanosecond laser: Influence of CNT nanofluid

Journal of Materials Research and Technology
Through Silicon Vias (TSV) are crucial in semiconductor technology for vertically connecting multiple stacks in 3D packaging. High aspect ratio, smooth and slightly tapered TSVs enhance layout efficiency and void-free filling.
Dileep Karnam, Yu-Lung Lo, Chia-Hua Yang
doaj   +1 more source

Effect of dielectric fluid with surfactant and graphite powder on Electrical Discharge Machining of titanium alloy using Taguchi method

Engineering Science and Technology, an International Journal, 2015
In this paper, Taguchi method was employed to optimize the surfactant and graphite powder concentration in dielectric fluid for the machining of Ti-6Al-4V using Electrical Discharge Machining (EDM).
Murahari Kolli, Adepu Kumar
doaj   +1 more source

Tapered Simplified Modal Method for Analysis of Non-rectangular Gratings

, 2016
The Simplified Modal Method (SMM) provides a quick and intuitive way to analyze the performance of gratings of rectangular shapes. For non-rectangular shapes, a version of SMM has been developed, but it applies only to the Littrow-mounting incidence case
Barbastathis, George, Li, Shuai, Zhou, Changhe   +2 more
core   +1 more source

Influence of Work and Tool Materials on Parameters of Electrical Discharge Machining (Edm)

International Islamic University Malaysia Engineering Journal, 2012
Influence of the properties of work and tool materials on material removal rate (MRR), tool wear ratio (TWR), thickness of the recast layer, surface roughness and accuracy of machining in EDM process has been investigated.
A.K.M.N. Amin A.K.M.N. Amin, A.K. Sarder
doaj   +1 more source

Parametric optimization and modelling of rough cut WEDM operation of pure titanium using grey-fuzzy logic and dimensional analysis

Cogent Engineering, 2014
In this study, effects of input parameters such as pulse on time (TON), pulse off time (TOFF), peak current (IP), wire feed (WF), wire tension (WT) and servo voltage (SV) on machining characteristics such as material removal rate (MRR), surface roughness
Rupesh Chalisgaonkar, Jatinder Kumar
doaj   +1 more source

Study of orifice fabrication technologies for the liquid droplet radiator [PDF]

Eleven orifice fabrication technologies potentially applicable for a liquid droplet radiator are discussed. The evaluation is focused on technologies capable of yielding 25-150 microns diameter orifices with trajectory accuracies below 5 milliradians ...
Bush, J. Michael, Hayes, Donald J., Wallace, David B.   +2 more
core   +1 more source

Finite element analysis of actively controlled smart plate with patched actuators and sensors

Latin American Journal of Solids and Structures
The active vibration control of smart plate equipped with patched piezoelectric sensors and actuators is presented in this study. An equivalent single layer third order shear deformation theory is employed to model the kinematics of the plate and to ...
M. Yaqoob Yasin, Nazeer Ahmad, M. Naushad Alam   +2 more
doaj   +1 more source

Experimental Study on Efficient Short Electric Arc Turning of Titanium Alloy

Metals
This study investigates a novel short electric arc vertical turning method for machining titanium alloy shafts. The method was successfully applied to titanium alloy rods, and its effects on material removal rate (MRR), surface roughness, roundness, and ...
Guoyu Hu, Haotian Jiao, Wei Gao, Junfeng Zhang   +3 more
doaj   +1 more source

Influence of conductive powders on surface characteristics in EDM: an experimental study using desirability optimization

Journal of the Mechanical Behavior of Materials
The advancement of modern engineering materials with superior mechanical properties such as hardness, toughness, and brittleness presents significant challenges to conventional machining techniques, often leading to tool failure and poor surface finish ...
Huu Phan Nguyen, Ganachari Vaibhav Sidraya, Shirguppikar Shailesh, Gavali Pankaj Balasaheb, Lakshmanan Selvarajan, Van Dong Pham, Muthuramalingam Thangaraj, Le Quang Dung   +7 more
doaj   +1 more source