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dc.contributor.authorSwaminathan, Srinivasan
dc.contributor.authorOh_Ishi, Keiichiro
dc.contributor.authorZhilyaev, Alexander P.
dc.contributor.authorFuller, Christian B.
dc.contributor.authorLondon, Blair
dc.contributor.authorMahoney, Murray W.
dc.contributor.authorMcNelley, Terry R.
dc.date.accessioned2017-07-27T22:29:33Z
dc.date.available2017-07-27T22:29:33Z
dc.date.issued2010
dc.identifier.citationS. Swaminathan, K. Oh-Ishi, A.P. Zhilyaev, C.B. Fuller, B. London, M.W. Mahoney, T.R. McNelley, "Peak stir zone temperatures during friction stir processing," Metallurgical and Materials Transactions A, v. 41A, (March 2010), pp. 631-640.en_US
dc.identifier.urihttps://hdl.handle.net/10945/55333
dc.descriptionThe article of record as published may be found at http://dx.doi.org/10.1007/s11661-009-0140-7en_US
dc.description.abstractThe stir zone (SZ) temperature cycle was measured during the friction stir processing (FSP) of NiAl bronze plates. The FSP was conducted using a tool design with a smooth concave shoulder and a 12.7-mm step-spiral pin. Temperature sensing was accomplished using sheathed ther- mocouples embedded in the tool path within the plates, while simultaneous optical pyrometry measurements of surface temperatures were also obtained. Peak SZ temperatures were 990 !C to 1015 !C (0.90 to 0.97 TMelt) and were not affected by preheating to 400 !C, although the dwell time above 900 !C was increased by the preheating. Thermocouple data suggested little varia- tion in peak temperature across the SZ, although thermocouples initially located on the advancing sides and at the centerlines of the tool traverses were displaced to the retreating sides, precluding direct assessment of the temperature variation across the SZ. Microstructure-based estimates of local peak SZ temperatures have been made on these and on other similarly processed materials. Altogether, the peak-temperature determinations from these different measurement techniques are in close agreement.en_US
dc.description.sponsorshipDefense Advanced Projects Agency DARPA
dc.description.sponsorshipOffice of Naval Research (ONR)
dc.format.extent12 p.en_US
dc.publisherThe Minerals, Meatls & Materials Society and ASM Internationalen_US
dc.rightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.en_US
dc.titlePeak stir zone temperatures during Friction Stir Processingen_US
dc.typeArticleen_US
dc.contributor.corporateNaval Postgraduate School (U.S.)en_US
dc.contributor.departmentMechanical and Astronautical Engineeringen_US
dc.description.funderContract no. N00014-06-WR-2-0196 (ONR)
dc.description.funderContract no. N00014-09-WR20201 (ONR)


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