Kou kouzou rombunshuu
Online ISSN : 1884-0329
Print ISSN : 1880-9928
Relationship between weld layer configuration of NBFW and its strength & toughness
Osamu HIRANOKoichi TOMORIKoji OKIKazuo WATANABETanemi YAMAGUCHISoichi KAWABEYasufumi SASAKI
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2010 Volume 17 Issue 66 Pages 66_1-66_10

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Abstract

“NBFW” is the welding method which is able to prevent the brittle fracture in the welded connections of diaphragms and “BCP325T” (high toughness cold press—formed RHS). In order to achieve the proper qualities in the connections, it is important that “NBFW” is applied under the strictly controlled welding conditions, such as configuration of topmost weld-layers, which cause difficulties in the productivity of its fabrication. In this research, various welding conditions of NBFW have been studied. The studied conditions were found to maintain equivalent quality to the conventional ones and enable higher productivity.

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© 2010 Japanese Society of Steel Construction
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