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Ding Fubao, Ma Yujiang, Chen Yiqing. THE INFLUENCE OF MICRO-STRUCTURE AND INCLUSION ON TOUGHNESS OF HAZ OF LOW ALLOY STEEL WITH VARIOUS WELDING HEAT INPUT[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 1984, (4): 195-200.
Citation: Ding Fubao, Ma Yujiang, Chen Yiqing. THE INFLUENCE OF MICRO-STRUCTURE AND INCLUSION ON TOUGHNESS OF HAZ OF LOW ALLOY STEEL WITH VARIOUS WELDING HEAT INPUT[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 1984, (4): 195-200.
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THE INFLUENCE OF MICRO-STRUCTURE AND INCLUSION ON TOUGHNESS OF HAZ OF LOW ALLOY STEEL WITH VARIOUS WELDING HEAT INPUT

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  • The toughness of the HAZ coarse grained zone of low alloy steel might lose heavily with high welding heat input.This is closely related to the micro-structure transformation in HAZ.The present paper investigates the relation between the microstructure,inclusion and toughness by using optical microscope,scanning electron microscope and foil transmission electron microscope for examining normalized 14MnCuNiV steel.
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