Incremental Hole Drilling Residual Stress Measurement in Thin Aluminum Alloy Plates Subjected to Laser Shock Peening
Sign Up to like & getrecommendations! Published in 2020 at "Experimental Mechanics"
DOI: 10.1007/s11340-020-00586-5
Abstract: The American standard ASTM E837 presents a standard procedure to determine residual stresses in isotropic materials using the incremental hole drilling technique (IHD). The standard, however, presents limitations regarding its applicability, such as those related… read more here.
Keywords: aluminum alloy; shock peening; incremental hole; laser shock ... See more keywords
Compact Calibration Data for Hole-Drilling Residual Stress Measurements in Finite-Thickness Specimens
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DOI: 10.1007/s11340-020-00587-4
Abstract: The conventional way to present Integral Method calibration data for hole-drilling residual stress measurements is in the form of a large triangular table of numbers. In the common case where 20 drilling steps are used… read more here.
Keywords: thickness specimens; calibration data; calibration; finite thickness ... See more keywords
Chip Discharge Performance of Micro-Hole Drilling through a Glass Plate using an Electroplated Diamond Tool with Different Drill Bits
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Precision Engineering and Manufacturing"
DOI: 10.1007/s12541-018-0151-7
Abstract: This research aims to identify a high-quality, efficient, and low-cost micro-hole drilling process through glass plates that employs an electroplated diamond tool with different drill bits. Three different drill bits were tested to determine how… read more here.
Keywords: chip discharge; hole drilling; discharge performance; chip ... See more keywords
Residual Stress Analysis on Thin Metal Sheets Using the Incremental Hole Drilling Method – Fundamentals and Validation
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DOI: 10.1007/s40799-018-0266-x
Abstract: The aim of the present work is to broaden the scope of application of the hole drilling method and to enable reliable residual stress measurements on thin metal sheets. In this context the focus is… read more here.
Keywords: drilling method; incremental hole; residual stress; hole drilling ... See more keywords
Influence of longitudinal-torsional ultrasonic-assisted vibration on micro-hole drilling Ti-6Al-4V
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Journal of Aeronautics"
DOI: 10.1016/j.cja.2020.06.012
Abstract: Abstract As Ti-6Al-4V is a typical hard to machine material, especially in micro drilling aviation parts, chip breaking difficulty is of increasing interest to explore its further development. In this study, Longitudinal-Torsional Ultrasonic Assisted Drilling… read more here.
Keywords: vibration; longitudinal torsional; micro hole; torsional ultrasonic ... See more keywords
Measurement of assembly stress in composite structures using the deep-hole drilling technique
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DOI: 10.1016/j.compstruct.2017.12.031
Abstract: Abstract The deep-hole drilling (DHD) method is a residual stress measurement method that is widely used for measurements in thick metallic components. In the DHD method a reference hole is first drilled through the thickness… read more here.
Keywords: assembly stress; hole; hole drilling; dhd method ... See more keywords
An eigen-strain approach on the estimation of non-uniform residual stress distribution using incremental hole-drilling and slitting techniques
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2018.08.035
Abstract: Abstract Despite the advantages of incremental hole-drilling and slitting methods for measurement of residual stresses, there are also some limitations in their utilization. For example, decreasing of the measurement accuracy of strain gauges by increasing… read more here.
Keywords: incremental hole; residual stress; stress; hole drilling ... See more keywords
Enhancing Single Channel MQL through Bypass Controlled Design for Deep Hole Drilling with Small Diameter Tool
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DOI: 10.1016/j.promfg.2020.02.116
Abstract: Abstract Because of significant energy savings, enablement of higher machining speed as well as environmentally friendly features, Minimum Quantity Lubrication (MQL) has been efficiently used for many machining processes. However, in deep hole drilling with… read more here.
Keywords: bypass; single channel; hole drilling; channel mql ... See more keywords
Residual stress release characteristics of hole-drilling determined by in-plane three-directional optical interference moiré
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DOI: 10.1080/09500340.2018.1506519
Abstract: ABSTRACT By adopting a new stress calibration method, a grating rosette moiré interferometry and incremental hole-drilling combined system is developed to determine the magnitud of the residual stress in aluminium plate subjected to a uniform… read more here.
Keywords: residual stress; plane three; stress; three directional ... See more keywords
Hybrid stamping and laser micromachining process for micro-scale hole drilling
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DOI: 10.1080/10426914.2017.1328115
Abstract: ABSTRACT Micro-scale hole drilling on metallic sheets has been employed in a wide range of personal computing devices, such as smart phones and tablet computers. Laser machining, micro-electro-discharge machining, and chemical etching are the methods… read more here.
Keywords: micro scale; scale hole; stamping laser; process ... See more keywords
Influential mechanism of printed circuit board properties on micro hole drilling temperature
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DOI: 10.1108/cw-12-2017-0070
Abstract: Purpose The purpose of this paper was to study the influence of properties of printed circuit boards (PCBs) on the temperature during micro drilling and obtain the influential mechanism of PCBs based on temperature measurement.… read more here.
Keywords: temperature; mechanism; drilling temperature; micro hole ... See more keywords