Experimental Study on Minimizing Edge Chipping in Glass Milling Operation Using an Internal CBN Grinding Tool

Karim, Mohd Sayuti Ab; Sarhan, Ahmed A.D.; Shukor, Mohd Hamdi Abd

doi:10.1080/10426914.2010.530533

Cited by 9 publications

(4 citation statements)

References 13 publications

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“…The phenomenon of edge chipping at the end of cut was also investigated by Pekelharing [4], and later on, by Lin [5] and Karim et al [6]. Lin [5] also found out the influence of process parameters on burr size in face milling of stainless steel specimens.…”

Section: Introductionmentioning

confidence: 98%

“…It was reported by Gillespie [1] that the cost component related to edge finishing including deburring of precision mechanical components could be up to 30% of the cost of manufacture. For these reasons, intense research works were taken up [1][2][3][4][5][6] in the past on burr formation aiming at its minimization. Ko and Dornfeld [2] explored formation of burr at low cutting velocity for both ductile and brittle materials, and proposed a model related to this.…”

Section: Introductionmentioning

confidence: 99%

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On Reduction of Formation of Burr in Face Milling of 45C8 Steels

Saha

Das

2013

Materials and Manufacturing Processes

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Burr is observed on a machined job attached to its edge. Problem is experienced due to the presence of burr in the production line affecting product quality and causing possible injury to an operator, and hence, a strategy for prevention or minimization of burr formation needs to be adopted. Usually, deburring is done to eliminate burrs in industry incurring additional cost. To tackle this problem, many investigations were made in the past on formation of burr and its minimization. The aim of the present work is to find out the condition to suppress burr formation effectively during face milling of 45C8 steel specimens, which are widely used in Indian Railways. First, in-plane exit angle is varied, and it shows that an in-plane exit angle of 30 reduces burr height remarkably. Next, with the provision of 15 exit edge bevel, it is noted that burr size can be reduced effectively to a negligible value by keeping an in-plane exit angle of 60 .

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Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

On Reduction of Formation of Burr in Face Milling of 45C8 Steels

Saha

Das

2013

Materials and Manufacturing Processes

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“…We interpreted this tendency as indicating that the CIGSSe layer had become saturated with sodium because the weight percentage of sodium in typical soda-lime glass is approximately 460 times higher than that of potassium. 9 Measurement of the potassium concentration within the region of interest (ROI), which was shifted away from the near-patterned regions in the direction of the reference regions by 40 μm, confirmed that the diffusion of alkali elements near the patterned regions increased. The size of the ROI was chosen based on the size of the structural shunt defects (Figure S2).…”

Section: Resultsmentioning

confidence: 90%

“…After selenization, the average ratio of potassium intensity increased from 3.40 to 21.2, but that of sodium dropped sharply from 20.0 to 1.60 (Figure S1b). We interpreted this tendency as indicating that the CIGSSe layer had become saturated with sodium because the weight percentage of sodium in typical soda-lime glass is approximately 460 times higher than that of potassium …”

Section: Resultsmentioning

confidence: 99%

Absorber Delamination-Induced Shunt Defects in Alcohol-Based Solution-Processed Cu(In,Ga)(S,Se)₂ Solar Modules

Lee

Kim

Bae

et al. 2020

ACS Appl. Energy Mater.

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Solution-processed chalcopyrite Cu(In,Ga)(S,Se)2 (CIGSSe) solar modules are promising alternatives to conventional crystalline silicon-based photovoltaic devices owing to their potential to lower production costs and compatibility with large-area flexible substrates. However, these modules typically exhibit a higher-than-expected cell-to-module loss, which, in most cases, is attributed to the emergence of critical shunt sites. In this study, we investigated the structural shunt defects induced by delamination of the absorber in alcohol-based solution-processed CIGSSe solar modules. Characterization with the use of lock-in thermography indicated that most of the delamination-induced shunt defects emerged locally near the patterned regions. Furthermore, secondary-ion mass spectroscopy measurements showed that, rather than being uniformly distributed, the alkali elements in the CIGSSe modules were concentrated near the patterned regions. The results revealed that the uniformity of this distribution is the key driving force behind absorber delamination. Finally, we confirmed that delamination-induced shunt defects can be alleviated by controlling the diffusion of alkali elements. Consequently, the energy conversion efficiency of the alcohol-based solution-processed CIGSSe solar modules was enhanced from 4.24 to 7.59% by introducing a layer that acts as a thin-film diffusion barrier.

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Cutting force reduction and surface quality improvement in machining of aerospace duralumin AL-2017-T4 using carbon onion nanolubrication system

Sayuti

Sarhan

Tomohisa

et al. 2012

Int J Adv Manuf Technol

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Experimental Study on Minimizing Edge Chipping in Glass Milling Operation Using an Internal CBN Grinding Tool

Cited by 9 publications

References 13 publications

On Reduction of Formation of Burr in Face Milling of 45C8 Steels

On Reduction of Formation of Burr in Face Milling of 45C8 Steels

Absorber Delamination-Induced Shunt Defects in Alcohol-Based Solution-Processed Cu(In,Ga)(S,Se)₂ Solar Modules

Cutting force reduction and surface quality improvement in machining of aerospace duralumin AL-2017-T4 using carbon onion nanolubrication system

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Experimental Study on Minimizing Edge Chipping in Glass Milling Operation Using an Internal CBN Grinding Tool

Cited by 9 publications

References 13 publications

On Reduction of Formation of Burr in Face Milling of 45C8 Steels

On Reduction of Formation of Burr in Face Milling of 45C8 Steels

Absorber Delamination-Induced Shunt Defects in Alcohol-Based Solution-Processed Cu(In,Ga)(S,Se)2 Solar Modules

Cutting force reduction and surface quality improvement in machining of aerospace duralumin AL-2017-T4 using carbon onion nanolubrication system

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Product

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Absorber Delamination-Induced Shunt Defects in Alcohol-Based Solution-Processed Cu(In,Ga)(S,Se)₂ Solar Modules