Transactions of Materials and Heat Treatment

Title：Research on hot rolling process for new zirconium alloy

Authors： ZHOU Chang-chun FAN Hong-yuan ZHANG Li-jie WANG Shuai YING Shi-hao(1.College of Manufacturing Science and Engineering Sichuan University Chengdu 610065 China 2.State Key Laboratory of Nuclear Fuel and Materials Nuclear Power Institute of China Chengdu 610

Unit：

KeyWords： new zirconium alloy hot rolling oxygen partition protection microstructure

ClassificationCode：TG335.11

year,vol(issue):pagenumber：2007,32(4):22-24

Abstract：

The hot rolling process for Zr-alloys was investigated.Cladding outer cover oxygen partition protection,multi working passes and lower rolling rate were used to roll the alloys.Three different ways including copper cover,seam of steel bushing,vacuum seam of steel bushing were respectively applied to three groups of alloys to avoid Zr-alloy's oxidation.Microstructure and mechanical properties after hot rolling were compared and analyzed.The results show that choosing appropriate process technique can successfully avoid oxidation and the alloy's thickness can get to 1.0 mm.After hot rolling,the Zr-alloys exhibit fine and uniform microstructure and good mechanical properties.

Funds：

核燃料及国家重点实验室基金资助项目(5148104105SC0101)

Reference：

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