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Transformation Plasticity in Steel Welds

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Presentation on theme: "Transformation Plasticity in Steel Welds"— Presentation transcript:

1 Transformation Plasticity in Steel Welds

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3 Watson and McDougall

4 Swallow & Bhadeshia, 1996

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7 possible elongation of 15%

8 Lower bainite, transformed with and without stress
Chang et al., 1996

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12 Jones & Alberry, 1977

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14 Ohta et al.,

15 Ohta et al.,

16 Ohta et al.,

17 Murugananth & Bhadeshia

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19 7Ni 2Mn Keehan, Karlsson, Andrén, Bhadeshia,
Science & Techn. Welding & Joining 11 (2006) 9-18

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24 constrained tensile sample
316 austenitic stainless steel constrained tensile sample hot-strength

25 Transformation strain
24 variants of martensite per austenite grain Variant selection

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29 Goss Cube

30 Experimental Calculated Calculated
Kundu and Bhadeshia, Scripta Materialia 55 (2006) 779

31 Experimental Calculated Calculated

32 Kundu, Hase, Bhadeshia, Proc. Roy. Soc. 2007

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