Research Career 【 display / non-display 】

Research Career 【 display / non-display 】

• Hot satamping of quenchable steel sheet and heat treatable aluminium alloy sheet

  Project Year：  -   

Thesis for a degree 【 display / non-display 】

Thesis for a degree 【 display / non-display 】

• Study of Metal Forming Processes Having Control of Pressure and Heating Histories

  Tomoyoshi Maeno 

    2011.12

  Doctoral Thesis   Single Work

Papers 【 display / non-display 】

Papers 【 display / non-display 】

• Blanking immediately after heating and ultrasonic cleaning for compact hot-stamping systems using rapid resistance heating

  Tomoyoshi Maeno, Ken-ichiro Mori, Tomoki Ogihara, Tomohiro Fujita

  International Journal of Advanced Manufacturing Technology ( Springer )  97 ( 9-12 )   3827–3837   2018.06  [Refereed]

  Joint Work

  　View Summary

  To produce ultra-high-strength steel parts for improving fuel consumption and collision safety of automobiles, a compact hot-stamping process having resistance heating was developed. In this process, a blanking operation was introduced immediately after heating to deal with non-rectangular blanks in resistance heating. By blanking, not only were the blank shapes optimised for stamping but the formability was also improved by removing both non-heating edges in contact with the electrode. A rectangular quenchable steel sheet was resistance-heated; the sheet was immediately blanked into the desired shape, and the blank was hot-stamped. In addition, reinforcements used for a body-in-white were hot-stamped using the proposed process to examine the applicability. The reduction in thickness of the hot-stamped reinforcement using a hot-blanked sheet was reduced compared with that using a rectangular blank. The formability was improved by blanking immediately after heating. Moreover, ultrasonic cleaning with diluted hydrochloric acid removed the thin oxide scale caused by resistance heating, and the spot-resistance weldability and electrodeposition paintability were improved. Blanking immediately after heating and ultrasonic cleaning are useful for practical hot-stamping processes using resistance heating.

  Web of Science DOI

• Use of liquid lubricant for backward extrusion of cup with internal splines using pulsating motion

  T. Maeno, K. Mori, Y. Ichikawa, M. Sugawara

  Journal of Materials Processing Technology ( Elsevier )  244   273 - 281   2017.06  [Refereed]

  Joint Work

  Web of Science DOI

• Hot stamping of high-strength aluminium alloy aircraft parts using quick heating

  Tomoyoshi Maeno, Ken-ichiroMori, Ryosuke Yachi

  CIRP Annals   66 ( 1 )   269 - 272   2017.04  [Refereed]

  Joint Work

  Web of Science DOI

• Delayed cracking in hot stamping with hot trimming for ultra-high strength steel components

  Yuki Nakagawa, Ken-ichiro Mori, Tomoyoshi Maeno, Ryo Umemiya

  The International Journal of Advanced Manufacturing Technology   105   5081 - 5090   2019.11  [Refereed]

  Joint Work

  DOI

• Improvement of sheet metal formability by local work-hardening with punch indentation

  Yohei Abe, Ken‑ichiro Mori, Tomoyoshi Maeno, Sho Ishihara, Yuki Kato

  Production Engineering ( Springer )  13   589 - 597   2019.06  [Refereed]

  Joint Work

  DOI

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Review Papers 【 display / non-display 】

Review Papers 【 display / non-display 】

• Implemention report on student research meeting of JSTP young research members at three kanto branches

  Bulletin of the japan society for technology of plasticity ( japan society for technology of plasticity )  1 ( 4 ) 285   2018.04

  Meeting report etc.   Single Work

• Full Hardening in Hot Stamping Using Rapid Resistance Heating

  T. Maeno

  SOKEIZAI ( SOKEIZAI Center )  56 ( 7 ) 2 - 7   2015.07

  Introduction and explanation (scientific journal)   Single Work

• Report on Metal Forming 2014

  Journal of the Japan Society for Technology of Plasticity ( The Japan Society for Technology of Plasticity )  56 ( 648 ) 19 - 20   2015.01

  Introduction and explanation (scientific journal)   Single Work

• Development of Hot Stamping Process for Aircraft Titanium Alloy Parts Using Resistance Heating

  YAMAZAKI Kiyoshi, YAMAGUCHI Takashi, MURAYAMA Yohei, MORI Ken-ichiro, MAENO Tomoyoshi

  Journal of the Japan Society for Technology of Plasticity ( The Japan Society for Technology of Plasticity )  55 ( 647 ) 1097 - 1101   2014.12

  Introduction and explanation (scientific journal)   Joint Work

• Gas Forming of Ultra-High Strength Steel Hollow Part Using Resistance Heating

  T. Maeno

  SOKEIZAI ( SOKEIZAI Center )  55 ( 11 ) 16 - 21   2014.11

  Introduction and explanation (scientific journal)   Single Work

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Academic Awards Received 【 display / non-display 】

Academic Awards Received 【 display / non-display 】

• ICTP2014 Best Paper Award

  2014.10   ICTP Standing advisory board   Gas forming of aluminium alloy tube using air filled into sealed tube and resistance heating

• The 12th ISPF for the Most Outstanding Presentation

  2009.03   The Japan Society for Technology of Plasticity   Reduction of Friction in Forging of Plates by Load Oscillation

  Winner： Tomoyoshi Maeno

Grant-in-Aid for Scientific Research 【 display / non-display 】

Grant-in-Aid for Scientific Research 【 display / non-display 】

• Grant-in-Aid for Scientific Research(C)

  Project Year： 2018.04  -    Investigator(s): Tomoyoshi Maeno

• Grant-in-Aid for Scientific Research(B)

  Project Year： 2018.04  -    Investigator(s): Ken-ichiro Mori

• Grant-in-Aid for Scientific Research(C)

  Project Year： 2015.04  -  2018.03  Investigator(s): Tomoyoshi Maeno

• Grant-in-Aid for Young Scientists(B)

  Project Year： 2013.04  -  2015.03  Investigator(s): Tomoyoshi Maeno

• Investigation of mechanism of load pulsation, and applying for forming of parts having small thickness

  Grant-in-Aid for Young Scientists(B)

  Project Year： 2010.04  -  2012.03  Investigator(s): Tomoyoshi Maeno

  　View Summary

  To prevent a sharp rise in load in compression of plates, a compression process using load pulsation was developed. The mechanism of the load pulsation was investigated. The load pulsation was applied for backward extrusion, flange forming and bulk forming of stainless steel sheet. The forming load was decreased and accuracy of the formed shape was increased by the load pulsation.

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Presentations 【 display / non-display 】

Presentations 【 display / non-display 】

• Effect of surface quality of hot-stamped products using resistance heating on spot weldability and adhesion of electrodeposition coating

  T. Maeno, T. Ogihara, K. Mori, T. Fujita, K. Sakakibara

  66th Japanese Joint Conference for the Technology of Plasticity  (Fukushima)  2015.10   The Japan Society for Technology of Plasticity

• Deformation behavior and quenchability in hot stamping of thin steel sheets without holding at bottom dead center

  Y. Nakagawa, T. Maeno, K. Mori

  66th Japanese Joint Conference for the Technology of Plasticity  (Fukushima)  2015.10   The Japan Society for Technology of Plasticity

• Forming and quenching behaviours in hot stamping of thin quenchable sheets

  Y. Nakagawa, T. Maeno, K. Mori

  ICNFT2015  (Glasgow, UK)  2015.08  

• Full hardening of products in hot stamping using rapid resistance heating

  T. Maeno, K. Mori, M. Sakagami, Y. Nakao,

  CHS2 2015  (Toronto, Canada)  2015.06  

• Successive Forging of long plate having inclined cross-section

  Liyana Tajul, T. Maeno, K. Mori

  ICTP2014  (Nagoya, Japan)  2014.10  

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Past of Collaboration and Commissioned Research 【 display / non-display 】

Past of Collaboration and Commissioned Research 【 display / non-display 】

• Development of forging of hollow products using fluid mandrel and pulsating motion 1st report

  Cooperative Research within Japan  

  Project Year： 2018.05  -   

Social Contribution(Extension lecture) 【 display / non-display 】

Social Contribution(Extension lecture) 【 display / non-display 】

• Metal Forming 2018, 17th International Conference on Metal Forming

  2018.09

  　

  　

• The 2018 japanese spring conference for the technology of plasticity

  2018.05

  　

  　

• 11th International Conference on Technology of Plasticity (ICTP2014)

  2014.10

  　

  　

• Advanced Tube Forming Special Session in ICTP2014

  2014.10

  　

  　

• The 65th Japanese Joint Conference for the Technology of Plasticity

  2011.10

  　

  　

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