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Keywords: residual stressClose
Proc. ASME. IMECE99, Manufacturing Science and Engineering, 807-816, November 14–19, 1999
Paper No: IMECE1999-0744
... machining single point cutting grinding residual stress surface integrity X-ray diffraction point-to-point variation Abstract Abstract Residual stress is one of the most important factors affecting product surface integrity. Every machining operation produces a distinctive residual...
Proc. ASME. IMECE2020, Volume 2A: Advanced Manufacturing, V02AT02A055, November 16–19, 2020
Paper No: IMECE2020-24589
..., and microporosity — cannot be removed by post-processing operations. The majority of these abnormalities are the result of residual stress, heat accumulation, lack of inter-track /inter-layer bonding, lack of powder fusion, or a combination of these factors. Modifying the scanning strategy (the topology of scanning...
Proc. ASME. IMECE2020, Volume 5: Biomedical and Biotechnology, V005T05A032, November 16–19, 2020
Paper No: IMECE2020-23632
...REGIONAL AND LAYER DISTRIBUTION OF RESIDUAL STRESSES IN AN UNLOADED AORTIC MEDIAL WALL Atsutaka TAMURA1 Tottori University Tottori, Japan Koki MATSUMOTO Graduate School of Engineering, Tottori University Tottori, Japan ABSTRACT The mechanical and structural characteristics of aortic media have...
Proc. ASME. IMECE2019, Volume 9: Mechanics of Solids, Structures, and Fluids, V009T11A027, November 11–14, 2019
Paper No: IMECE2019-10667
...-specific opening angles led to the computation of the circumferential residual stresses. Uniaxial tensile tests of each layer, in both the circumferential and axial direction, were used to model the hyperelastic behavior according to the Gasser-Ogden-Holzapfel model (GOH). The storage modulus and loss...
Proc. ASME. IMECE2019, Volume 10: Micro- and Nano-Systems Engineering and Packaging, V010T12A013, November 11–14, 2019
Paper No: IMECE2019-11106
... of the residual stress in electroplated copper thin films during heat treatment was investigated from the viewpoint of the change of stress amplitude during a thermal cycle. From the obtained results, it was confirmed that the recrystallization occurred when the films were annealed at only 200°C, and the change...
Proc. ASME. IMECE2012, Volume 3: Design, Materials and Manufacturing, Parts A, B, and C, 1061-1069, November 9–15, 2012
Paper No: IMECE2012-87005
... Residual stresses in machined surfaces are often regarded as a determining factor of component service life. However, little work has been conducted to investigate the distribution of residual stresses in machined surfaces at nano-scale. In this paper, an MD simulation study is performed...
Proc. ASME. IMECE2012, Volume 3: Design, Materials and Manufacturing, Parts A, B, and C, 497-504, November 9–15, 2012
Paper No: IMECE2012-87482
... is dramatic at a factor 10X. A cost effective method of mitigating failure from SSC and corrosion fatigue would greatly reduce operational costs and extend component life. Introduction of stable, high magnitude compressive residual stresses into less expensive carbon steel alloys alleviates the tensile...
Proc. ASME. IMECE2012, Volume 3: Design, Materials and Manufacturing, Parts A, B, and C, 737-744, November 9–15, 2012
Paper No: IMECE2012-87888
... of compressive residual stresses in critical ST components will greatly reduce O&M costs by improving CF life, increasing damage tolerance, reducing SCC susceptibility, and extending the service life of components. Low plasticity burnishing (LPB) is an advanced surface enhancement process providing a means...
Proc. ASME. IMECE2012, Volume 3: Design, Materials and Manufacturing, Parts A, B, and C, 2091-2096, November 9–15, 2012
Paper No: IMECE2012-90001
... in the magnitude and depth of residual stress. Recent finite element based studies have revealed that the residual stress field in AWJ peening is influenced by the boundary conditions and whether the prestress is administered by load or displacement control. However, previous investigations concerned with AWJ...
Proc. ASME. IMECE2011, Volume 8: Mechanics of Solids, Structures and Fluids; Vibration, Acoustics and Wave Propagation, 91-99, November 11–17, 2011
Paper No: IMECE2011-62444
... regions of residual stress or damage on opposing surfaces. Through a series of finite element simulations, this work explores the effects of stress wave reflectivity on component life for thin, curved, 6061-T6 aluminum alloy sections. The simulations are based on an 800 mJ, 5 ns pulsed, near-infrared...
Proc. ASME. IMECE2009, Volume 11: Mechanics of Solids, Structures and Fluids, 217-218, November 13–19, 2009
Paper No: IMECE2009-11640
... 08 07 2010 Highly focused synchrotron X-rays were used to measure residual stresses in dental grade yttria stabilized zirconia. The technique uses a sub-micron polychromatic beam to produce Laue diffraction spots. Diffraction spots from individual grains of zirconia provide...
Proc. ASME. IMECE2008, Volume 4: Design and Manufacturing, 371-376, October 31–November 6, 2008
Paper No: IMECE2008-67547
... 24 08 2009 Abrasive Waterjet Peening (AWJP) has emerged as a potential surface treatment process for metal implants and prosthetic devices. An elastic tensile prestress has been shown to increase the magnitude and depth of residual stress that can be obtained. In the present...
Proc. ASME. IMECE2008, Volume 4: Design and Manufacturing, 419-424, October 31–November 6, 2008
Paper No: IMECE2008-68944
... 24 08 2009 A preliminary study was conducted to evaluate the parametric dependence of the residual stress distributions in bone that result from an abrasive air-jet surface treatment. Specifically, the influence of particle size and shape used in the treatment on the residual stress...
Proc. ASME. IMECE2007, Volume 3: Design and Manufacturing, 471-475, November 11–15, 2007
Paper No: IMECE2007-43473
... 26 05 2009 Recent advances in abrasive waterjet (AWJ) technology have resulted in new processes for surface treatment that are capable of introducing compressive residual stresses with simultaneous changes in the surface texture. While the surface residual stress resulting from AWJ...
Proc. ASME. IMECE2007, Volume 13: Processing and Engineering Applications of Novel Materials, 257-260, November 11–15, 2007
Paper No: IMECE2007-43281
... chemistry and “apparent” stress state in the bone that results from the surgical procedures and/or treatments. This preliminary study explored the opportunity for introducing residual stresses in hard tissues using an air-jet surface treatment. Cortical bone was obtained from bovine femurs and treated...
Proc. ASME. IMECE2003, Manufacturing, 173-181, November 15–21, 2003
Paper No: IMECE2003-41704
... Compared with grinding, hard turning is a competitive manufacturing process that in many cases has substantial benefits. The most significant difference between hard turning and grinding is that hard turning may induce a relatively deep compressive residual stress. However, the interactions...
Proc. ASME. IMECE2003, Heat Transfer, Volume 3, 99-107, November 15–21, 2003
Paper No: IMECE2003-41566
... transformation is essential to predict the effects of thermally induced residual stresses and distortions in deposited materials. It not only helps to improve the process but also reduces the long and cumbersome experimental route to compile sufficient data to predict the material behavior under similar loading...
Proc. ASME. IMECE2004, Manufacturing Engineering and Materials Handling Engineering, 985-992, November 13–19, 2004
Paper No: IMECE2004-60021
.... Due to the very small scale of surface integrity factors on a machined surface, nanoindentation can be used to determine the surface/subsurface mechanical properties. However, the test data may be significantly influenced by machining induced residual stresses, strain hardening, and microstructure...
Proc. ASME. IMECE2004, X-Rays in Mechanical Engineering Applications, 21-26, November 13–19, 2004
Paper No: IMECE2004-62401
... X-ray diffraction has been applied to the measurement of residual stresses in mechanical and structural components for decades. It has been applied non-destructively in the laboratory on small and large components as well as in the field on very large components and structures. The technique...
Proc. ASME. IMECE2004, X-Rays in Mechanical Engineering Applications, 63-69, November 13–19, 2004
Paper No: IMECE2004-62451
... residual stress fields that are critical to the performance and lifetimes of engineering components. This paper discusses the FaME38 facility and demonstrates its utility in gaining fundamental insight into mechanical engineering problems through examples, including studies of railway rails, welds...