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| 1 | Design of TRIP Steel With High Welding and Galvanizing Performance in Light of Thermodynamics and Kinetics显示文摘A new type of transformation induced plasticity (TRIP) steel with not only high strength and high ductility but also superior welding and galvanizing properties was designed and developed recently. Low carbon and low silicon content were preliminarily selected with the aim of meeting the requirements of superior quality in both welding and galvanizing. Phosphorus was chosen as one of the alloying elements, because it could reduce carbon activity in cementite and increase the stability of austenite. In addition, the possibility of phosphorus segregating at grain boundary was also discussed by thermodynamics as well as kinetics. Phase diagram was estimated at high temperature and the composition of the steel was then selected in the hyperperitectic range to avoid problems, which might occur in sheet steel continuous casting. Phase diagram in the inter-critical temperature was estimated for the steel to obtain the starting temperature of fast cooling. For understanding the minimum rate of fast cooling, pearlite growth kinetics was calculated with self-developed diffusion coefficients of elements in grain boundary. Overaging temperature was determined through the calculation of T0 temperature by both equilibrium and para-equilibrium assumptions, which was different from the current determination, which is only based on an equilibrium estimation. | LI Lin DE COOMAN B C LIU Ren-dong VLEUGELS j ZHANG Mei SHI Wen | 2007 | Journal of Iron and Steel Research(International)2007，14，6： | 13 |
| 2 | Effect of Temperature and Strain Rate on Dynamic Properties of Low Silicon TRIP Steel显示文摘The dynamic tensile test of 0·11C-0·62Si-1·65 Mn TRIP steel was carried out at different strain ratesand test temperatures . The results showthat both temperature and strain rate affect the retained austenite trans-formation . At high strain rates ,the uniformelongation decreases , whereas the total elongation and energy absorp-tionincrease . The tensile strengthis less strain rate sensitive . With raising test temperature ,the tensile strengthis reduced and the mechanical properties generally deteriorate ,especially at 110 ℃. However ,excellent mechani-cal properties were obtained at 50 ℃and 75 ℃. | TIAN Rong LI Lin B C De Cooman WEI Xi-chen SUN Peng | 2006 | Journal of Iron and Steel Research(International)2006，13，3： | 5 |
| 3 | Thermal Stability of Retained Austenite in TRIP Steel After Different Treatments显示文摘Thermal decomposition of retained austenite in TRIP steel was investigated by means of differential scanning calorimetry(DSC).The decomposition curve was abnormal,and the decomposition temperature and the activation energy were measured by the Kissinger method,which were all higher than those in quenched steel.The thermal decomposition data of samples soaked in liquid nitrogen after TRIP treatment were all similar to those without additional low temperature treatment.It indicated that there is a high thermal stability in retained austenite of the TRIP steel at low temperature,which was also proved by XRD analysis. | SHI Wen LI Lin Bruno C De Cooman Patrick Wollants YANG Chun-xia | 2008 | Journal of Iron and Steel Research(International)2008，15，1： | 5 |
| 4 | Kinetics of phase transformation in steels: a new method analyzing dilatometric results显示文摘 | Zhao J Z Mesplont C De Cooman B C | 2001 | ISIJ International2001，41，5： | 1 |
| 5 | Carbonpartitioning into austenite after martensite transformation显示文摘 | SPEER J MATLOCK D K COOMAN B C | 2003 | Acta Materialia2003，51，： | 1 |
| 6 | Carbon partitioning into austenite after martensite transformation 显示文摘 | Speer J G Matlock D K De Cooman B C | 2003 | Acta Materialia2003，51，9： | 1 |
| 7 | Carbon partitioning in to austenite after martensite transformation 显示文摘 | Speer J G Matlock D K De Cooman B C | 2003 | Acta Materialia2003，51，： | 1 |
| 8 | Galvanizability of high-strength steels for automotive applications显示文摘 | Mahieu J Claessens S De Cooman B C | 2001 | Metallurgical and Materials Transactions2001，32，11： | 1 |
| 9 | The influence of Al on the properties of cold rolled C-Mn-Si TRIP steels显示文摘 | De Meyer M De Cooman B C | 2000 | Iron and Steel Maker2000，27，2： | 1 |
| 10 | Mn partitioning during the intercritical annealing of ultrafine-grained 6% Mn transformation-induced plasticity steel显示文摘 | Seok-jae Lee Seawoong Lee Bruno C De Cooman | 2010 | Scripta Materialia2010，64，7： | 1 |
| 11 | Cold rolling behaviour of an austenitic Fe-30Mn-3Al-3Si TWIP-steel: the importance of deformation twinning显示文摘 | Vercammen S Blanpain B De Cooman B C | 2004 | Acta Materialia2004，52，7： | 1 |
| 12 | Static strain aging behavior of ultra low carbon bake hardening steel显示文摘 | DE A K VANDEPUTTE S COOMAN B C D | 1999 | Scripta Materialia1999，41，： | 1 |
| 13 | Structure-properties relationship in TRIP steels containing carbide-free bainite显示文摘 | De Cooman B C | | 0，，3： | 1 |
| 14 | Structure-properties relationship in TRIP steels containing carbide-free bainite显示文摘 | De Cooman B C | 2004 | Current Opinion in Solid State and Materials Science2004，8，34： | 1 |
| 15 | Austenite stability of ultrafine-grained transfommtion-induced plasticity steel with Mn partitioning显示文摘 | Seawoong Lee Seok-jae Lee Bruno C De Cooman | 2011 | Scripta Materialia2011，65，3： | 1 |
| 16 | Phase transformation and mechanical properties of Si-free CMnAl transformation-induced plasticity-aided steel显示文摘 | Mahieu J Maki J De Cooman B C | 2002 | Metallurgical and Materials Transactions A2002，33，8： | 1 |
| 17 | The influ-ence of the substitution of Si by Al on the properties of cold rolled C-Mn-Si TRIP steels显示文摘 | De Meyer M Vanderschueren D De Cooman B C | | 0，，08： | 1 |
| 18 | Structure-properties relationship in TRIP steels containing carbide-free bainite显示文摘 | De Cooman B C | 2004 | Current Opinion in Solid State and Materials Science2004，8，34： | 1 |
| 19 | Carbon partitioning into austenite after martensite transformation 显示文摘 | Speer J Matlock D K De Cooman B C | 2003 | Acta Materialia2003，51，9： | 1 |
| 20 | Constitutive Modeling of the Mechanical Properties of V-added Medium Manganese TRIP steel显示文摘 | Lee S Estrin Y De Cooman B C | 2013 | Metallurgical and Materials Transactions : A2013，44，： | 1 |
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