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7 Jun 2010: The material used in this study is a Ti-added interstitial free (IF) steel [20] whose chemicalcomposition is shown in Table 1. ... Innovation in Superplasticity-II,” Trans Tech Publications.20. H. Takechi, ISIJ Int. 34, 1 (1994).21.

7 Jun 2010: 20. 100. Heat Input (kJ mm-1). 580 MPa. 3.5. 3.4. 3.1. ... 20 to 140 ppmw). is due to an increase in bainite at the expense of martensite.

7 Jun 2010: P.Woollin,TWI Ltd. Granta park UK. 700. 900. 1300. 1500. 5 1510Fe 20. ... 7. 20 ml HCl 35 % in 80 ml distilled waterand 1 gram of potassium metabisufite.

7 Jun 2010: 3 21 100.36 15 13 -9.68. 4 20 88.80 16 5 -18.51. ... 7 23 61.11 19 7 -45.22. 8 18 60.21 20 6 -52.25.

7 Jun 2010: Oxygen (wt%) 0.03 0.12 0.06 0.02. Reheated Material (%) 20 79 41 13.

7 Jun 2010: 2 Experimental Work. An Fe–0.22C–3Mn–2.03Si wt% alloy was prepared as a 20 kg vacuum induction melt from highpurity base materials. ... The volume fraction of retained austenite wasdetermined using Rietveld refinement [20, 21].

7 Jun 2010: 20%]. What are the mechanisms of the observed hardening? Why does the yield stress show a maximum? ... 20%] Consider a three-state system with energy levels –Vε and Vε relative.

7 Jun 2010: operation. For gas metal arc welding, the machine is Lincoln Power Wave 455 with a mix of 20％. ... HV1. 0. Fig.1 Charpy impact energy at -20 Fig.2 Hardness distribution of 1# joint.

7 Jun 2010: W=1.84 Nb=0.07 N=0.05. 12CrMoV 0.20 0.25 0.50 0.50 1.00 11.25 0.30. ... 1 0.1 –. 10CrMoV 0.11 0.056 0.50 10.22 1.42 0.55 0.20 0.50.

7 Jun 2010: Fe–base C Cr Al Mo Ti N Ti2O3 Y2O3 Fe. MA956 0.01 20.0 4.5 – 0.5 0.045 – 0.50 Balance. ... PM1000 † 20.0 0.3 0.5 3.0 0.6 Balance. Table 1: Compositions (wt% ) of some typical alloys.