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281
Investigation on Mechanical Strengths and Carbon Foot Print of Modified Foamed Concrete
Published 2023“…Although incorporation of POFA in the foamed concrete containing RHA fine aggregate gained lower mechanical strengths compared to the use of FA, the minimum compressive strength is still can be attained. …”
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Article -
282
Integrating Taguchi Method and Support Vector Machine for Enhanced Surface Roughness Modeling and Optimization
Published 2024“…The machined products quality is commonly correlated with the value of surface roughness (Ra), representing vital aspect that can influence overall machining performance. However, finding the optimal value of surface roughness is remain as a challenging task because it involves a lot of considerations on the cutting process especially the selection of suitable machining parameters and also cutting materials and workpiece. …”
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Article -
283
High speed end milling of silicon using diamond coated tools with air blowing
Published 2011“…An optimum air blowing pressure and combination of spindle speed, feed and depth of cut has been identified to achieve minimum value of surface roughness and defect free machined surface. …”
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Proceeding Paper -
284
Investigation of the effects of machining parameters and air blowing on surface topography in high speed end milling of silicon
Published 2012“…This research aimed at determining the viability of using conventional milling machines with diamond coated tools, high speed attachments, and air blowing mechanisms in order to achieve ductile regime machining of silicon. Spindle speed, depth of cut, and feed rate, ranges: 60,000 to 80,000 rpm, 10 to 20 μm, and 5 to 15 mm/min respectively, were considered as the independent machining parameters. …”
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Article -
285
Application of permanent magnets for chatter control in end milling of titanium alloy Ti-6Al-4V
Published 2012“…A special fixture was fabricated and mounted on a Vertical Machining Center‘s spindle for holding the permanent magnet bars, used in suppressing the vibration amplitudes. …”
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286
A comparative analysis of aluminium and mild steel on CNC milling using CAD/CAM Programming
Published 2024“…The goal of this project is to evaluate machining time and surface roughness for aluminum and mild steel with varying spindle speeds. This study focuses on the comparison of aluminum and mild steel for CNC milling operations utilizing CAD/CAM programming. …”
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Conference or Workshop Item -
287
Secondary students’ attitude towards mathematics in a selected school of Maldives
Published 2011“…The purpose of this study is to find out the students attitude towards mathematics and find out gender difference in attitude towards mathematics in a selected school of Maldives. …”
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Article -
288
An exploration into the home field, global advantage and liability of unfamiliarness hypotheses in multinational banking
Published 2011“…On the other hand, we do not find evidence on both the liability of unfamiliarness and home field advantage hypotheses.…”
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Article -
289
Development of a High Hertz-Stress Contact for conventional batch production using a unique scribing technology
Published 2013“…Accordingly, more compact fine pitch contact is successfully fabricated and tested with 5μm High Hertz Stress without using the MEMS and EFF technology. …”
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Proceeding Paper -
290
Nanoparticle preparation of Mefenamic acid by electrospray drying
Published 2014“…Electrospray drying is a process that uses electrostatic force to disperse a conductive liquid stream into fine charged droplets through the coulomb fission of charges in the liquid and finally dry into fine particles. …”
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Proceeding Paper -
291
Effects of simple abrasive combing and pretreatments on properties of pineapple leaf fibers (PALF) and PALF-Vinyl ester composite adhesion
Published 2010“…In pineapple leaves, PALF are present in top lamina as large vascular bundles and bottom lamina as fine strands. Tensile strength and modulus of fine PALF strands are 155% and 134% higher than those of vascular bundles respectively. …”
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Article -
292
Application of permanent electromagnet for chatter control in end milling of Titanium alloy - Ti6Al4V
Published 2011“…Chatter is a vibration that occurs during machining operations resulting from instability of the cutting process with system responses of the spindle tool chuck system. One of the most challenging issues in machining process is to know the chatter characteristics. …”
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Book Chapter -
293
Comparison of surface roughness in end milling of titanium alloy Ti-6Al-4V using uncoated WC-Co and PCD inserts through generation of models
Published 2011“…Kaye et al [7] used response surface methodology in predicting tool flank wear using spindle speed change. A unique model has been developed which predicts tool flank wear, based on the spindle speed change, provided the initial flank wear at the beginning of the normal cutting stage is known. …”
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Book Chapter -
294
The Impact of Asian Financial Crisis on Bank: Empirical Evidence from Thailand and Malaysia
Published 2009“…As for the impact of macroeconomic indicators, we find that economic growth is positively related to Thailand banks’ profitability only during the pre-crisis period. …”
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Article -
295
Prediction of tool life and experimental investigation during hot milling of AISI H13 tool steel
Published 2010“…This paper presents the results of experimental investigations conducted on a vertical machining centre (VMC) using spindle speed, feed rate, and depth of cut as machining variables to ascertain the effectiveness of TiAlN insert in end milling of hardened steel AISI H13, under workpiece preheated conditions and hence a statistical model was developed using the capabilities of Response Surface Methodology (RSM) to predict the tool life. …”
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296
Preliminary analyses on detection of SYT-SSX fusion-transcripts in Synovial Sarcoma
Published 2012“…The tumour exhibits unspecified histogenesis composed primarily of spindle cells with variable epithelial components. …”
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Proceeding Paper -
297
Development of mathematical model for chip serration frequency in turning of stainless steel 304 using RSM
Published 2012“…Avoidance of chatter has mostly been through reliance on heuristics such as: limiting material removal rates (to stay within the dynamic stability boundary) or selecting low spindle speeds and shallow depth of cuts. However, the correct understanding of the mechanism of chatter formation in metal cutting reveals that chip morphology and segmentation play a predominant role in chatter formation during machining. …”
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Article -
298
Statistical approach to modeling & optimization of surface roughness in high speed end milling of silicon with diamond coated tools
Published 2012“…This research demonstrated the use of conventional milling machines with diamond coated tools, high speed attachments, and air blowing mechanisms for ductile mode machining of silicon and subsequently modeling and optimizing the resultant surface roughness. Spindle speed, depth of cut, and feed rate, ranges: 60,000 to 80,000 rpm, 10 to 20 μm, and 5 to 15 mm/min respectively, were considered as the independent machining parameters for the modeling process. …”
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Article -
299
Prediction and investigation of surface response in high speed end milling of Ti-6Al-4V and optimization by genetic algorithm
Published 2010“…Machining was performed on a five-axis NC milling machine with a high speed attachment, using spindle speed, feed rate, and depth of cut as machining variables. …”
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Article -
300
Heat generation performance of a homemade friction stir welding tool
Published 2014“…It was observed that FSW parameters which involved dominantly in the heat generation were spindle speed, feeding rate and normal force. The heat generation model of FSW process was validated with the one from the experimental investigation. …”
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