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Journal Articles

Numerical simulation of laser welding different kinds of materials using a thermohydraulics computational science numerical simulation code SPLICE

Muramatsu, Toshiharu; Sato, Yuji; Kamei, Naomitsu; Aoyagi, Yuji*; Shobu, Takahisa

Nihon Kikai Gakkai Dai-13-Kai Seisan Kako, Kosaku Kikai Bumon Koenkai Koen Rombunshu (No.19-307) (Internet), p.157 - 160, 2019/10

no abstracts in English

Oral presentation

Research and development to improve laser cutting process by an adaptive control system; Study on control method for laser cutting using optical signal by dross

Mizutani, Haruki; Saruta, Koichi; Kamei, Naomitsu; Muramatsu, Toshiharu

no journal, , 

no abstracts in English

Oral presentation

Spatial distribution of residual stress in similar and dissimilar laser welding

Sato, Yuji; Kamei, Naomitsu; Shobu, Takahisa; Aoyagi, Yuji*; Muramatsu, Toshiharu

no journal, , 

no abstracts in English

Oral presentation

Residual stress estimation for laser welding of butt joints with different metals

Tominaga, Aki; Shobu, Takahisa; Kamei, Naomitsu; Muramatsu, Toshiharu

no journal, , 

A joint exists in mechanical structure. The material used according to the use environment is also various for mechanical structure. The reliability is requested of the technology to which those are joined. Laser machining doesn't choose the material. It's expected that this is used as variety material junction technique and necessary welding technique. It's necessary to consider influence of a stress by the variety organization of the joint neighborhood, the mechanical property and the difference in the heat expansion coefficient between the variety metal together. To aim at generalization by this TAKUMI's technological calculation scientific simulation, permanent deformation spacial distribution inside the same kind material weld material between the carbon steel, the carbon steel and the variety material weld material of oxygen-free copper by a high powered fiber laser was measured and the special quality about the processing influence was estimated.

Oral presentation

Study on residual stress control in dissimilar laser welding

Muramatsu, Toshiharu*; Kamei, Naomitsu*; Aoyagi, Yuji*; Kitagawa, Yoshihiro; Shobu, Takahisa; Ozono, Shinji*

no journal, , 

no abstracts in English

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