第11期 白清领等：7050铝合金半连铸过程应力场及开裂倾向 ·1533· ping Technol,1990,8(1):53 18]Suyitno Kool W H,Katgerman L.Integrated approach for predic- 04 Mortensen D.A mathematical model of the heat and fluid flows in tion of hot tearing.Metall Mater Trans A,2009,40(10):2388 direct-chill casting of aluminum sheet ingots and billets.Metall [19]Magnin B,Katgerman L,Hannart B.Modeling of Casting Weld- Mater Trans B,1999,30:119 ing and Adranced Solidification Processes V.Warrendale:TMS, [15]MHamdi M.Mo A,Fjar H G.TearSim:a two-phase model ad- 1995 dressing hot tearing formation during aluminum direct chill cast- [20]Lalpoor M,Eskin D G,Katgerman L.Constitutive parameters, ing.Metall Mater Trans A,2006.37(10):3069 mechanical properties and failure mechanism in DC cast AA7050 [16]Subroto T,Miroux A,Eskin D G et al.Tensile mechanical be- billets Proceedings of the 12th International Conference on havior of aseast AA7050 alloy in the super-solidus temperature Fracture.Ottawa,2009:12 range /Proceedings of the 13th International Conference on Frac- 1]Chang K M,Kang B.Cracking control in DC casting of high- ture.Beijing,2013:1 strength aluminum alloys.J Chin Inst Eng,1999,22(1):27 7]Eskin DG.Suyitno,Katgerman L.Mechanical properties in the 222]Boender W,Burghardt A,van Klaveren E P,et al.Numerical semi-solid state and hot tearing of aluminium alloys.Prog Mater simulation of DC casting:interpreting the results of a thermo-me- Si,2004,49(5):629 chanical model /TMS Light Metals,2004:679第 11 期 白清领等: 7050 铝合金半连铸过程应力场及开裂倾向 ping Technol，1990，8( 1) : 53 ［14］ Mortensen D． A mathematical model of the heat and fluid flows in direct-chill casting of aluminum sheet ingots and billets． Metall Mater Trans B，1999，30: 119 ［15］ M'Hamdi M，Mo A，Fjr H G． TearSim: a two-phase model ad￾dressing hot tearing formation during aluminum direct chill cast￾ing． Metall Mater Trans A，2006，37( 10) : 3069 ［16］ Subroto T，Miroux A，Eskin D G et al． Tensile mechanical be￾havior of as-cast AA7050 alloy in the super-solidus temperature range / / Proceedings of the 13th International Conference on Frac￾ture． Beijing，2013: 1 ［17］ Eskin D G，Suyitno，Katgerman L． Mechanical properties in the semi-solid state and hot tearing of aluminium alloys． Prog Mater Sci，2004，49( 5) : 629 ［18］ Suyitno Kool W H，Katgerman L． Integrated approach for predic￾tion of hot tearing． Metall Mater Trans A，2009，40( 10) : 2388 ［19］ Magnin B，Katgerman L，Hannart B． Modeling of Casting Weld￾ing and Advanced Solidification Processes Ⅶ． Warrendale: TMS， 1995 ［20］ Lalpoor M，Eskin D G，Katgerman L． Constitutive parameters， mechanical properties and failure mechanism in DC cast AA7050 billets / / Proceedings of the 12th International Conference on Fracture． Ottawa，2009: 12 ［21］ Chang K M，Kang B． Cracking control in DC casting of high￾strength aluminum alloys． J Chin Inst Eng，1999，22( 1) : 27 ［22］ Boender W，Burghardt A，van Klaveren E P，et al． Numerical simulation of DC casting; interpreting the results of a thermo-me￾chanical model / / TMS Light Metals，2004: 679 · 3351 ·