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In order to minimize the coarse grain region after high heat input welding, it is necessary to control the austenite grain growth at high temperature. Nitrides and oxides, which are stable at elevated temperatures, are generally used to control austenite grain growth3¨C7), and JFE Steel studied the optimization of TiN from the point of ease of industrial control....

High Tensile Strength Steel Plates with Excellent HAZ Toughness for Shipbuilding,JFE TECHNICAL REPORT No. 5 (Mar. 2005)

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chensijie

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Originally posted by jfr_1983 at 2011-04-11 20:59:45:
In order to minimize the coarse grain region after high heat input welding, it is necessary to control the austenite grain growth at high temperature. Nitrides and oxides[/size ...

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