OHARA Masahiro

J-GLOBAL         Last updated: Aug 17, 2018 at 12:24
 
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Name
OHARA Masahiro
Affiliation
Ehime University

Research Areas

 
 

Published Papers

 
TAKAHASHI Yuzo, HORIOKA Satoshi, KAWANO Osamu, OHARA Masahiro, USHIODA Kohsaku
Journal of the JSTP   53(617) 569-573   Jun 2012
To meet the requirements for the weight reduction of automobiles, high-tensile-strength steel sheets have been applied extensively to the manufacture of auto parts. But their relatively lower press formability has obstructed their further applicat...
Takahashi Yuzo, Kawano Osamu, Tanaka Yoichi, Ohara Masahiro, Ushioda Kohsaku
Tetsu-to-Hagane   98(7) 378-387   2012
In order to clarify the governing factors of stretch flange-ability, a study to elucidate the mechanism of crack growths on pierced edges during hole- expanding tests was carried out and the following conclusions were obtained.<br>1) In the beginn...
KIDO Motoi, HAMADA Naoya, SUGIHASHI Atsushi, YAMAMOTO Hiroyuki, OHARA Masahiro, NISHIBAYASHI Shigeru, MINAMIDA Katsuhiro, KIKUMA Toshio
The Review of laser engineering   29(5) 318-323   May 2001
MIYAZAKI Yasunobu, FURUSAKO Seiji, OHARA Masahiro
quarterly journal of the Japan Welding Society   19(2) 241-251   May 2001
The mechanism of porosity formation in CO_2 laser welding of thin steel sheets was investigated. Laser melt-runs were made in ultra-low-carbon steel sheets of 0.7 mm in thickness under a wide range of shielding gas conditions. In addition to the n...
MIYAZAKI Yasunobu, FURUSAKO Seiji, OHARA Masahiro
QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY   19(2) 241-251   2001
The mechanism of porosity formation in CO2, laser welding of thin steel sheets was investigated. Laser melt-runs were made in ultra-low-carbon steel sheets of 0.7 mm in thickness under a wide range of shielding gas conditions. In additi...

Misc

 
OHARA Masahiro, MIYAZAKI Yasunobu
Journal of the Japan Welding Society   68(6) 466-469   Sep 1999
Ohara Masahiro, Miyazaki Yasumobu
Pre-Prints of the National Meeting of JWS   (62) "F-9"-"F-12"   Mar 1998
Ohara Masahiro, Saito Tohru
QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY   63(4) 277-282   1994
Ohara Masahiro, Saito Tohru
Journal of the Japan Welding Society   63(4) 277-282   Jun 1994

Conference Activities & Talks

 
Dissimilar material joining between galvanized steel and thermoplastic resin by resistance spot welding
Shohei SHIMIZU、ITOH Yosuke、 OHARA Masahiro
9 Mar 2018   
Microstructures of arc weld metal containing low oxygenin HSLA steels
OHARA Masahiro, CHIBA Kouta, KOREKAWA Akihiro
14 Apr 2016   
Weld shape control low oxygen atmosphere GMA welding at high welding current
OHARA Masahiro, SATO Masahiro, YAMADA shintarou
13 Apr 2016   
Improvement of weld shape in CO2 gas arc welding by power moduration
MURAOKA Noriyuki, OHARA Masahiro, KUTUNA Motohiro
24 Apr 2015   
Arc phenomena of GMA welding in pure Ar shielding gas
SATO Masahiro, OHARA Masahiro, YONEMURA Takashi
22 Apr 2015