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OHTA Takahiro

Profile Research field Research achievement

 

Reports
No.Title URL, Journal, Vol( No), Start Page- End Page, Publication date 
1
Forming Technology Development of High Curvature Anisotropy Double-curved Surface , 三菱重工技報 = Mitsubishi Juko giho, 53( 4), 100- 104, Apr. 2016 
2
Development of outer surface irradiated laser stress improvement process , Yosetsu Gakkai Shi/Journal of the Japan Welding Society, 75( 8), 38- 42, Dec. 2006 
3
Development of Shot Peening for Wing Integral Skin for Continental Business Jets , Mitsubishi Heavy Industries, Ltd. Technical Review, 39( 2), 57- 61, Mar. 2002 
4
Development of Shot Peening for Wing Integral Skin for Continental Business Jets. , , 39( 1), 36- 39, Jan. 2002 
5
Forging Process Design Using Forging Simulator for Turbine Blades. , , 37( 3), 138- 141, May. 2000 
6
Development of Manufacturing Techniques of Cavities for Particle Accelerator. , , 37( 3), 142- 145, May. 2000 
7
Residual Stress Improved by Water Jet Peening for Small-Diameter Pipe Inner Surfaces. , , 36( 6), 328- 331, Nov. 1999 
8
Numerical Analysis Method for Can Seaming Process , Technical Review - Mitsubishi Heavy Industries, 35( 3), 112- 116, Sep. 1998 
9
Numerical Analysis Method for Can Seaming Process. , , 35( 1), 64- 67, Jan. 1998 
10
Integrated forming of a large container end plate. Integrated forming of an end plate with nozzles from steel plate. , , 40( 1), 50- 56, Jan. 1998 
11
Numerical analysis technology of plastic working of a pressure vessel,etc. Application of simulation technique to bending of a pressure vessel end plate and steel pipe. , , 39( 9), 13- 17, Aug. 1997 
12
Development of Advanced Production Technology for Wing Integral Tank for GLOBAL EXPRESS. , , 33( 3), 162- 165, May. 1996 
13
Numerical Simulation for Hot Forming of Head Plates and Pipe Bending. , , 32( 6), 407- 410, Nov. 1995 

 

Academic papers
No.Title URL, Journal, Vol( No), Start Page- End Page, Publication date, DOI 
1
Effect of saturation peening on shape and residual stress distribution after peen forming , The International Journal of Advanced Manufacturing Technology, 119( 7-8), 4659- 4675, Apr. 2022, https://doi.org/10.1007/s00170-021-08473-6 
2
Shot Peening Intensity and Residual Stress Distribution on Cylindrical Surface , MATERIALS TRANSACTIONS, 63( 1), 57- 62, Jan. 1, 2022, https://doi.org/10.2320/matertrans.mt-p2021006 
3
Numerical Analysis of Peen Forming for High-Strength Aluminum Alloy Plates , MATERIALS TRANSACTIONS, 62( 6), 846- 855, Jun. 1, 2021, https://doi.org/10.2320/matertrans.p-m2021818 
4
Direct measurement of shot velocity and numerical analysis of residual stress from pneumatic shot peening , Surfaces and Interfaces, 22,  100827- 100827, Feb. 2021, https://doi.org/10.1016/j.surfin.2020.100827 
5
Shot Peening Intensity and Residual Stress Distribution on Cylindrical Surface , Journal of the Japan Society for Technology of Plasticity, 61( 719), 239- 244, Dec. 2020, https://doi.org/10.9773/sosei.61.239 
6
Shot velocity measurement using particle image velocimetry and a numerical analysis of the residual stress in fine particle shot peening , Journal of Manufacturing Processes, 58,  1138- 1149, Oct. 2020, https://doi.org/10.1016/j.jmapro.2020.08.059 
7
Measurement of shot velocity using particle image velocimetry and numerical analysis of residual stress at two shot peening conditions , Mechanical Engineering Journal, 7( 4), 20-00152- 20-00152, Aug. 2020, https://doi.org/10.1299/mej.20-00152 
8
Numerical Analysis of Peen Forming for High-strength Aluminum Alloy Plates , Journal of the Japan Society for Technology of Plasticity, 61( 712), 115- 123, May. 2020, https://doi.org/10.9773/sosei.61.115 
9
Peen Forming of Anisotropic Double-Curved Surface by Vibration Peening Using Rectangular Solid Pin , MATERIALS TRANSACTIONS, 61( 1), 162- 168, Jan. 1, 2020, https://doi.org/10.2320/matertrans.p-m2019853 
10
Numerical Analysis of Shot Peening with Incident Angle , Journal of the Japan Society for Technology of Plasticity, 60( 704), 256- 261, Sep. 2019, https://doi.org/10.9773/sosei.60.256 
11
Measurement and functional approximation of peening intensity distributions , Materials Transactions, 60( 6), 1004- 1010, Jun. 2019, https://doi.org/10.2320/matertrans.P-M2019816 
12
Peen Forming of Anisotropic Double-Curved Surface by Vibration Peening Using Rectangular Solid Pin , Journal of the Japan Society for Technology of Plasticity, 60( 697), 33- 38, Feb. 2019, https://doi.org/10.9773/sosei.60.33 
13
Measurement and Functional Approximation of Peening Intensity Distributions in Shot Peening , Journal of the Japan Society for Technology of Plasticity, 59( 692), 165- 170, Sep. 2018, https://doi.org/10.9773/sosei.59.165 
14
Numerical analysis of effect of pin tip radius on residual stress distribution in ultrasonic impact treatment , Materials Transactions, 59( 4), 656- 662, Apr. 2018, https://doi.org/10.2320/matertrans.P-M2018805 
15
Measurement and functional approximation of impact pressure distribution in shot peening , Transactions of the JSME (in Japanese), 83( 851), 17- 00153-17-00153, Jun. 2017, https://doi.org/10.1299/transjsme.17-00153 
16
Peen forming using rectangular solid pins for anisotropic double-curved surface , Transactions of the JSME (in Japanese), 83( 849), 16-00451- 16-00451, May. 2017, https://doi.org/10.1299/transjsme.16-00451 
17
Numerical Analysis of Effect of Pin Tip Radius on Residual Stress Distribution in Ultrasonic Impact Treatment , Journal of the Japan Society for Technology of Plasticity, 58( 672), 35- 40, Jan. 2017, https://doi.org/10.9773/sosei.58.35 
18
Investigation of Residual Stress at Surface after Single Impact of Shot Peening , Journal of the Japan Society for Technology of Plasticity, 57( 669), 991- 996, Oct. 2016, https://doi.org/10.9773/sosei.57.991 
19
Inherent-strain-based theory of measurement of three-dimensional residual stress distribution and its application to a welded joint in a reactor vessel , Journal of Pressure Vessel Technology, Transactions of the ASME, 136( 3), 031401-1- 031401-11, Jun. 2014, https://doi.org/10.1115/1.4026496 
20
Measurement of welding residual stresses of reactor vessels by inherent strain method - Diagnosis of inherent strain distribution function , Welding International, 27( 10), 758- 769, Oct. 2013, https://doi.org/10.1080/09507116.2012.708501 
21
Measurement of welding residual stresses of reactor vessel by inherent strain method- Diagnosis of inherent strain distribution function , Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 27( 4), 297- 306, Dec. 2009, https://doi.org/10.2207/qjjws.27.297 
22
Study of temperature distribution of pipes heated by moving rectangular gauss distribution heat source- Development of pipe outer surface irradiated Laser Stress Improvement Process (L-SIP) , Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 27( 4), 333- 342, Dec. 2009, https://doi.org/10.2207/qjjws.27.333 
23
Study of stress improvement mechanism on inner surface of pipes using outer surface rapid heating by numerical analysis- Development of pipe outer surface irradiated Laser Stress Improvement Process (L-SIP) , Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 27( 4), 307- 315, Dec. 2009, https://doi.org/10.2207/qjjws.27.307 
24
Residual stress improvement on inner surface of pipes using pipe outer surface irradiated laser heating- Development of pipe outer surface irradiated Laser Stress Improvement Process (L-SIP) , Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 27( 4), 325- 332, Dec. 2009, https://doi.org/10.2207/qjjws.27.325 
25
Study on residual stress across the pipes' thickness using outer surface rapid heating- Development of pipe outer surface irradiated laser Stress Improvement Process (L-SIP) , Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 27( 4), 316- 324, Dec. 2009, https://doi.org/10.2207/qjjws.27.316 
26
Study on the essential variables for pipe outer surface irradiated Laser Stress Improvement Process (L-SIP)- Development of pipe outer surface irradiated Laser Stress Improvement Process (L-SIP) , Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 27( 4), 343- 351, Dec. 2009, https://doi.org/10.2207/qjjws.27.343 
27
Development of the Outer Surface Irradiated Laser Stress Improvement Process , Journal of High Temperature Society, 35( 4), 199- 204, Jul. 20, 2009, https://doi.org/10.7791/jhts.35.199 
28
Measurement of welding residual stresses of reactor vessel by inherent strain method: Measurement of residual stresses of pipe-plate penetration joint , Welding International, 23( 6), 439- 449, May. 2009, https://doi.org/10.1080/09507110802542965 
29
Measurement of Welding Residual Stresses by Inherent Strain Method - New Theory for Axial-symmetry and Application for Pipe Joint , Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 27( 1), 104- 113, Jan. 2009, https://doi.org/10.2207/qjjws.27.104 
30
Measurement of Welding Residual Stresses of Reactor Vessel by Inherent Strain Method : Measurement of Residual Stresses of Pipe-Plate Penetration Joint , 溶接学会論文集 : quarterly journal of the Japan Welding Society, 25( 4), 581- 589, Dec. 25, 2007, https://doi.org/10.2207/qjjws.25.581 
31
Outer surface irradiated Laser Stress Improvement Process , The Thermal and nuclear power, 58( 11), 1136- 1139, Nov. 15, 2007,  

 

Conference Activities & Talks
No.Title, URL, Presentation date, Vol( No), Start Page- End Page, Publication date 
1
Numerical Analysis of Crimping Shape in Spin Riveting Machine, , Jun. 4, 2022, ,  105- 106, Jun. 2022 
2
Effect of Tool Shape on Crimping Shape in Spin Riveting Machine, , Jun. 4, 2022, ,  103- 104, Jun. 2022 
3
Numerical Analysis of Caulking-joining by Spin-Rivet Machine, , Oct. 30, 2021, ,  125- 126, Oct. 2021 
4
Peen Forming of Anisotropic Double-curved Surfaces by Vibration Peening Using Rectangular Solid Pins - Effect of Pin Tip Shape and Forming Conditions on Curvature -, , Oct. 29, 2021, ,  311- 312, Oct. 2021 
5
Effect of Shot Diameter on Peening Intensity in Pneumatic Shot Peening, , Oct. 29, 2021, ,  309- 310, Oct. 2021 
6
Numerical Analysis of Effect of Coverage on Curvature in Peen Forming, , Aug. 2020, ,  TP025- TP025, Aug. 2022 
7
Inherent strain method for residual stress measurement and welding distortion prediction, , Jun. 2016, 9,  OMAE2016-54184- OMAE2016-54184, Jun. 2016 
8
Application of L-SIP to pressurizer nozzles, , Jun. 2011, ,  933- 940, Jun. 2011 
9
Reliability of water jet peening as residual stress improvement method for alloy 600 PWSCC mitigation, , Jun. 2009, ,  565- 570, Jun. 2009 
10
Application of Outer Surface Irradiated Laser Stress Improvement Process (L-SIP) to Pressurizer as Residual Stress Improvement Method for Alloy 600 PWSCC Mitigation, , May. 11, 2009, ,  575- 579, Jun. 2008 
11
Residual stress measurement and analysis of dissimilar metal surge line nozzle, , May. 2009, ,  9486- 9486, May. 2009 
12
Development of outer surface irradiated Laser Stress Improvement Process (L-SIP), , Jul. 2008, ,  175- 178, Jul. 2008 
13
FEM Program of 3D Inherent Strain Function for Measuring Welding Residual Stresses, , Mar. 23, 2006, ,  103- 103, Mar. 2006 
14
Measuerment of Welding Residual Stress of Pressure Vessel of Nuclear Plants by Inherent Strain Method, , Mar. 2006, ,  222- 223, Mar. 2006 
15
PWSCC experience of pressurizer dissimilar metal welds at tsuruga unit-2, , Apr. 2004, ,  119- 125, Apr. 2004 
16
Residual stress improved by Water Jet Peening for small-diameter pipe inner surfaces, , Mar. 2000, ,  119- 202, Mar. 2000 
17
Study on Hot Forming of Head Plates., , Nov. 1995, ,  209- 210, May. 1995 
18
Development of forming method for large head plate having nozzles., , Oct. 1994, ,  551- 554, Oct. 1994 
19
Corrugate working of an aluminum plate., , Sep. 1993, ,  185- 188, Sep. 1993