Transactions of Materials and Heat Treatment

Title：Simulation and experiment of nuclear power Inconel 690 pipe extrusion

Authors： QI Mai-shun

Unit： Yanshan University

KeyWords： hot working graph solid solution tensile microstructure

ClassificationCode：TG113；TG376.2

year,vol(issue):pagenumber：2010,35(4):116-123

Abstract：

Based on the hot working graph of Inconel 690 alloy, the heating temperature（1200 ℃）, strain rate and the corresponding extrusion rate（80 mm·s^-1）were determined by using numerical simulation method. The suited extrusion ratio(6 and 10) was gained by the microstructure and mechanical performance technical requirements of nuclear power equipment. The extrusion ratio of 8 was selected in view of the maximum hydraulic pressure (3000 kN), and the obtained maximum hydraulic pressure by numerical simulation (2360 kN) was consitent with the condition of max-pressure of hydropress.

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Reference：

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