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| 1 | 低碳钢应变时效过程模拟显示文摘在考虑渗碳体粒子影响和位错过饱和度及碳浓度变化条件下,提出了描述在低碳钢时效过程中位错周围 Cottrell气团形成过程的数学模型,并以超低碳钢为实验材料进行了应变时效实验、以验证提出的数学模型,并分析了渗碳体粒子对 Cottrell气团形成过程的影响. | 赵九洲 B. C. De Cooman | 2002 | 金属学报2002，38，1： | 15 |
| 2 | 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 |
| 3 | 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 |
| 4 | 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 |
| 5 | Structure–properties relationship in TRIP steels containing carbide-free bainite显示文摘 | B.C. De Cooman | 2004 | Current Opinion in Solid State & Materials Science2004，，3： | 3 |
| 6 | Carbon partitioning into austenite after martensite transformation显示文摘 | J. Speer D.K. Matlock B.C. De Cooman J.G. Schroth | 2003 | Acta Materialia2003，，9： | 3 |
| 7 | Carbon partitioning into austenite after martensite transformation显示文摘 | J. Speer D.K. Matlock B.C. De Cooman J.G. Schroth | 2003 | Acta Materialia2003，，9： | 3 |
| 8 | Quenching and partitioning martensite—A novel steel heat treatment显示文摘 | D.V. Edmonds K. He F.C. Rizzo B.C. De Cooman D.K. Matlock J.G. Speer | 2006 | Materials Science & Engineering A2006，，： | 2 |
| 9 | Computer-Aided Design of Some Advanced Steels and Cemented Carbides显示文摘Thermodynamic and kinetic study on TRIP (transformation induced plasticity) steels, cemented carbides and mold steel for plastics were carried out in order to design modern advanced materials. With the sublattice model, equilibrium compositions of ferrite and austenite phases in TRIP steels, as well as volume fraction of austenite at inter-critical temperatures for different time were calculated. Concentration profiles of carbon, manganese, aluminum and silicon in the steels were also estimated in the lattice fixed frame of reference. The effect of Si and Mn on TRIP was discussed according to thermodynamic and kinetic analyses. In order to understand and produce the graded nanophase structure of cemented carbides, miscellaneous phases in the M-Co-C (M=Ti, Ta, Nb) systems and Co-V-C system were modeled. Solution parameters and thermodynamic properties were listed in detail. The improvement of machining behavior of prehardened mould steel for plastics was obtained by computer-aided composition design. The results showed that the matrix composition of large-section prehardened mould steel for plastic markedly influences the precipitation of non-metallic inclusion and the composition control by the aid of Thermo-Calc software package minimizes the amount of detrimental oxide inclusion. In addition, the modification of calcium was optimized in composition design. | LI Lin ZHANG Mei HE Yan-lin De Cooman Bruno Wollants Patrick | 2005 | Journal of Iron and Steel Research(International)2005，12，6： | 2 |
| 10 | Structure–properties relationship in TRIP steels containing carbide-free bainite显示文摘 | B.C. De Cooman | 2004 | Current Opinion in Solid State & Materials Science2004，，3： | 2 |
| 11 | Kinetics of low temperature precipitation in a ULC-bake hardening steel显示文摘 | A.K De S Vandeputte B.C De Cooman | 2001 | Scripta Materialia2001，，4： | 2 |
| 12 | Static strain aging behavior of ultra low carbon bake hardening steel显示文摘 | A.K De S Vandeputte B.C De Cooman | 1999 | Scripta Materialia1999，，8： | 2 |
| 13 | Phase transformation and mechanical properties of si-free CMnAl transformation-induced plasticity-aided steel显示文摘 | J. Mahieu B. C. Cooman J. Maki | 2002 | Metallurgical and Materials Transactions A2002，，8： | 2 |
| 14 | Quenching and partitioning martensite—A novel steel heat treatment显示文摘 | D.V. Edmonds K. He F.C. Rizzo B.C. De Cooman D.K. Matlock J.G. Speer | 2006 | Materials Science & Engineering A2006，，： | 2 |
| 15 | 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，，7： | 2 |
| 16 | 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 |
| 17 | Carbonpartitioning into austenite after martensite transformation显示文摘 | SPEER J MATLOCK D K COOMAN B C | 2003 | Acta Materialia2003，51，： | 1 |
| 18 | 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 |
| 19 | Rehardening of surface softened and surface etched enamel in vitro and by intraoral exposure显示文摘 | Collys K Cleymaet R Coomans D | 1993 | Caries Res1993，27，1： | 1 |
| 20 | 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 |
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