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Fusion Science and Technology
Latest News
Nicholas Tsoulfanidis—ANS member since 1969
As an undergraduate I studied physics at the University of Athens. I entered the university in 1955 after successfully passing a national exam (came up fourth in a field of about 700 candidates). Upon graduation and finishing my mandatory two-year military service, the plan was to teach physics either in a public high school or as a tutor for a private for-profit institution, preparing high school students for the national exam.
M. Ghate, A. Kumar, P. Charkhawala, N. Chauhan, S. Pradhan
Fusion Science and Technology | Volume 65 | Number 2 | March-April 2014 | Pages 255-261
Technical Paper | doi.org/10.13182/FST13-652
Articles are hosted by Taylor and Francis Online.
The effects of various fabrication processes, such as compaction and swaging, during the fabrication of a cable-in-conduit conductor on the mechanical and metallurgical properties of jacket material (SS316LN) are discussed in this paper. Microstructure analysis of various samples is carried out, and the change in microstructures has been studied using scanning electron microscopy image analysis. The variation in hardness for the jacket material is also tested after swaging and compaction operations. The jacket samples are tested for their tensile strength, reduction in area, elongation, and impact strength as per applicable American Society for Testing and Materials standards. The ultimate tensile strength (UTS) is observed to be decreased for a sample compacted to 733 MPa when compared to virgin samples. On the contrary, the UTS increased significantly up to 1027 MPa in swaged samples. There is no linear relationship between tensile strength of SS316LN after cold working operations. The effect of thermal shock on the mechanical and metallurgical properties of the jacket material is also investigated.