Transcription of Technical Report Dissimilar Metal Joining …
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NIPPON STEEL Technical Report No. 103 MAY 2013-91-1. IntroductionToday, measures to curb global warming are being employed in diverse fields such as energy, ships, aircrafts, rail rolling stocks, au-tomobiles, and household appliances. The automotive industry, too, has been making positive efforts to reduce CO2 gas emissions through reduction of the weight of car )The most striking of these efforts is the application of high-strength steel sheets (590 to 1,470 MPa) to automotive ) Considerable volumes of high-strength steel sheet have already been applied to not only reduce the weight of car bodies but also enhance their crashworthiness. It is expected that efforts to further reduce car body weight by making most effective use of high-strength steel sheet will be continued in the future. However, considering the stiff-ness required of each member, there is a certain limit to the reduc-tion of weight through the use of thinner steel sheets.
NIPPON STEEL TECHNICAL REPORT No. 103 MAY 2013-93-the cross section of a weld subjected to a cross tension test. It can be seen that the plug thickness is about 25% of the thickness of the
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