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Accession number;01A0468318
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| Title;Evaluation of joint strength of friction-welded 6061 aluminum alloy pipes by heat input and burn-off length. |
| Author;
OGAWA KOICHI
(Univ. of Osaka Prefect., Coll. of Integr. Arts and Sci.)
SAWAI TAKESHI
(Osaka Ind. Univ., Fac. of Eng.)
OCHI HIIZU
(Osaka Inst. Technol., JPN)
YAMAMOTO YOSHIAKI
(Fac. of Eng., Setsunan Univ.)
KAGA SEIICHI
(Sangyogitandai)
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Journal Title;Journal of High Pressure Institute of Japan
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Journal Code:S0913A
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ISSN:0387-0154
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VOL.39;NO.2;PAGE.106-114(2001)
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| Figure&Table&Reference;FIG.15, TBL.4, REF.7 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;Friction welding of 6061 aluminum alloy pipes having 19mm inside diameter and 25mm outer diameter was carried out in order to examine the relationship between heat input or burn-off length and joint strength. An overall discution was carried out about the results of the pipe in this investigation and of the solid bar in the other one. From the experiment, it was noticed that the deformation heat input more related than the friction heat input to the joint strength and when the deformation heat input in the upset stage or the total stage was about 500J/s or more, sound joints could be produced. However, as it seemed that the deformation heat input in the total stage is not a pure input for joint formation, the deformation heat input in the upset stage may be taken into as a heat input. Moreover the deformation heat input in the upset stage was in proportion to the upset burn-off length, then sound joints could be produced with about 5mm or more upset burn-off length. Also sound joints of friction-welded 6061 aluminum alloy could be evaluated and produced with about 4*106Jm2/s or more deformation heat input per unit area in the upset stage and about 5mm or more upset burn-off length without relation to the shape of base materials respectively. (author abst.) |
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