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Keywords: drilling
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Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2011, 133(2): 021020.
Published Online: March 22, 2011
...A. Makino; D. V. Nelson; M. R. Hill The strain gauge rosette hole drilling method is often used for determining residual stresses versus depth to depths on the order of 0.5–1.5 mm. Frequently, it is of interest to find stress profiles to greater depths. To provide such a capability, a new approach...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2011, 133(2): 021014.
Published Online: March 21, 2011
... material. It is shown that for EDM machining conditions of 120 V/12 A/ 6 μ s / 30 μ s (discharge voltage/pulse current/pulse-on duration/pulse-off duration), the hole-drilling induced stress reduces with an increasing thermal conductivity ( k ) in accordance with the relation σ cal = 325.5 k − 0.65 MPa...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2010, 132(1): 011003.
Published Online: November 2, 2009
...D. Vangi; S. Tellini When measuring residual stresses using the hole-drilling strain-gauge method, plasticity effects arise if the residual stress level exceeds about 60% of the material yield strength. In this case the classical methods, which are based on the linear elastic material behavior, do...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2007, 129(3): 390–396.
Published Online: March 30, 2007
... in drilling of TiGr composites. The effects of consolidation processing, such as induction heating press and autoclave processes, on drilling characteristics of TiGr composites were examined. The hole quality parameters and hole exit damage was investigated and discussed. Burianek , D...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2007, 129(3): 440–445.
Published Online: March 28, 2007
...Gary S. Schajer An effective procedure is presented that allows stable hole-drilling residual stress calculations using strain data from measurements taken at many small increments of hole depth. This use of many strain measurements is desirable because it improves the data content...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. April 2007, 129(2): 271–283.
Published Online: August 17, 2006
... is assigned a target surface area 2 C × 2 C thus allowing higher density of impact point locations. Average residual stresses inside the target predicted by FEA were compared with experimental measurements using the hole-drilling technique. In order to do this, a new averaged technique was developed to obtain...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2006, 128(3): 451–459.
Published Online: March 20, 2006
..., obtained using three independent measurement techniques, of the residual stress field generated in an aluminium alloy plate after side-punching. Incremental center hole drilling is used to determine the near-surface residual stress field, while synchrotron x-ray diffraction and deep hole drilling are used...
Journal Articles
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2006, 128(2): 193–201.
Published Online: June 7, 2005
...J. P. Nobre; A. M. Dias; J. Gibmeier; M. Kornmeier A criterion to evaluate the influence of the so-called plasticity effect on the final outcome of the incremental hole-drilling technique (IHD), for measuring residual stresses induced by mechanical surface treatments, is proposed here. In practice...
Journal Articles
Article Type: Article
J. Eng. Mater. Technol. April 2005, 127(2): 165–169.
Published Online: April 6, 2005
...Antonio Baldi Most of the full field methods for residual stress investigation combine an optical interferometric technique (grating interferometry, speckle interferometry, holographic interferometry) with the standard hole drilling method. Nowadays many articles describing this kind of approach...