Friction Stir Welding Shridhar Rev-1

shridhar rev-1by Kanchan Kumari

FILETIME SUBMITTED 10-FEB-2014 12:59PMSUBMISSION ID 388286693

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SHRIDHAR_PAPER_REV-1.DOC (13.9M)

STC_KGP_16Sticky Notecracks developed during solidification or liquation,cavity or groove like defects

STC_KGP_16Sticky NoteIn FSW a rotating tool pin with shoulder

STC_KGP_16Sticky Notemany researchers analyzed that the geometry of the tool pin in friction stir welding is one of the most vital and complex parameter.

STC_KGP_16Sticky Notefurther the role of the tool shoulder geometry also plays an crucial role. this generates frictional heat and deforming the material by maitaining the level approximately same as the top surface of the shoulder position.

STC_KGP_16Sticky Notein addition the temperature distribution in and around the working zone

STC_KGP_16Sticky Noteleal studied the effect of shoulder feature on flow mechanism in dissimilar welding of 1mm plate thickness.pin-driven flow was predominant and the conical tool shoulder produced the onion ring structure. extensive stirring of material occured with shoulder driven tool.

STC_KGP_16Sticky Notethe significance effect of tool geomerty on material flow is studied by Ji et al. (2012)

STC_KGP_16Sticky Notethe material flow is better in case of concentric flute than the other two ( inner concave or plane shoulder tool).

STC_KGP_16Sticky NoteGalvao et al. (2012) studied the the effect of shoulder feature on the evolution and dispersion of intermetallic brittle particles during friction stir welding of alumnium with copper.

STC_KGP_16Sticky NoteScrolled shoulder forming a mixed region of AlCu2 but conical tool gives rise to Al....

STC_KGP_16Sticky NoteBoth experimental and analytical models being proposed by many reserchers to analyze the effect of temperture within the workpiece material during FSW process.

STC_KGP_16Sticky Note

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shridhar rev-1ORIGINALITY REPORT

PRIMARY SOURCES

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Submitted to University of MalayaStudent Paper

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S. Vijayan. "FRICTION STIR WELDING OFAL-MG ALLOY OPTIMIZATION OF PROCESSPARAMETERS USING TAGUCHI METHOD",Experimental Techniques, 08/2009Publication

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Shude Ji; Jingwei Xing; Yumei Yue; Yinan Ma;Liguo Zhang and Shuangsheng Gao. "Designof Friction Stir Welding Tool for Avoiding RootFlaws", Materials (1996-1944), 2013.Publication

Submitted to SASTRA UniversityStudent Paper

Galvo, I., R.M. Leal, D.M. Rodrigues, and A.Loureiro. "Influence of tool shoulder geometryon properties of friction stir welds in thincopper sheets", Journal of MaterialsProcessing Technology, 2013.Publication

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Ji, S.D., Q.Y. Shi, L.G. Zhang, A.L. Zou, S.S.Gao, and L.V. Zan. "Numerical simulation ofmaterial flow behavior of friction stir weldinginfluenced by rotational tool geometry",Computational Materials Science, 2012.Publication

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