MATERIALS SCIENCE AND ENGINEERING A VOLUME 175, NUMBERS 1-2, FEBRUARY 28, 1994 Contents Recommendations on modeling polyphase plasticity: conclusions of panel discussions .............0.000000 Y. J. M. Brechet (St. Martin d’Heres, France), P. Dawson (Ithaca, NY, USA), J. D. Embury (Hamilton, Ont., Canada), C. Gsell (Nancy, France), S. Suresh (Cambridge, MA, USA) and H. R. Wenk (Berkeley, CA, USA) Upper and lower bounds for non-linear composite behaviour. .....2 ee.e ee.e c .crc .ce c.ence0 nv ees J. R. Willis (Bath, UK) Improvements on Taylor’s upper bound for rigid-plastic composites . 2... 6. T. Olson (Provo, UT, USA) Doublet-based micromechanical approaches to yield and failure criteria... 1...ee ee M. Ferrari and V. T. Granik (Berkeley, CA, USA) Complex loading of viscoplastic materials: micro-macro modelling. . . 1... 6. R. Kouddane, N. Zouhal, A. Molinari (Metz, France) and G. R. Canova (Grenoble, France) Self-consistent methods: application to the prediction of the deformation texture of polyphase materials. ............ 37 G. R. Canova (St. Martin d’Héres, France) Issues in the finite element modeling of polyphase plasticity. ... 0... ce ttt te tee ee emer weer eee ee eee P. R. Dawson (Ithaca, NY, USA), A. Needleman (Rhode Island, RI, USA) and S. Suresh (Cambridge, MA, USA) Mechanisms and models for large-strain heterogeneous plasticity... 2... U. F. Kocks (Los Alamos, NM, USA) Microstructural interactions during flow of two-phase titanium alloys... 2. 2... 55 H. Mecking and D. Dunst (Hamburg, Germany) Y. J. M. Brechet (St. Martin d’Héres, France) A self-consistent viscoplastic model: prediction of rolling textures of anisotropic polycrystals... 1... 6. ee ee ee ee 71 R. A. Lebensohn and C. N. Tomé (Rosari, Argentina) The plastic deformation of polycrystalline dolomite: comparison of experimental results with theoretical predictions. ..... . 83 D. J. Barber (Colchester, UK), H. R. Wenk (Berkeley, CA, USA) and H. C. Heard (Livermore, CA, USA) Structural senects of mateciais sublected to large straims. . 0. te ee ete tere ee eee een ee sees 105 J.D. Embury (Hamilton, Ont., Canada) Texture development im Ag-Ni powder COMIPOGIES. 6. ww tt tee eee wee ee meee eeseeeeeneer 113 R. E. Bolmaro (Rosario, Argentina), R. V. Browning, F. M. Guerra and A. D. Rollett (Los Alamos, NM, USA) Strain partitioning and plastic flow in some metal/metal laminates .... 2... 1 T. Oztirk, J. Mirmesdagh and T. Ediz (Ankara, Turkey) Experimental textures of Al-Pb, Al-Cu and Fe-Cu metal-metal composites... 6. 6 6 0 ee es 131 H.-G. Brokmeier (Geesthacht, Germany) High resolution electron microscopy of a deformed superalloy: shear of precipitates . 2... 6 6 ee ee ee 141 L. Guétaz and J. M. Pénisson (Grenoble, France) Dislocation-interface interactions in exsolved augite 0... te tee eee ee eee reer eee tees W. Skrotzki (Gottingen, Germany) Plastic flow of a two-phase solid-liquid metallic system... 2... 1. we ee ee ee J. G. Sevillano and A. B. Rodriguez (San Sebastian, Spain) CONTENTS—( continued ) a r 167 Y. Ma, F. Lee and K. J. Bowman (West Lafayette, IN, USA) Effects of rigid platelet additions on matrix texture and microstructural development in a model platelet-reinforced composite. . 177 K. J. Bowman, K. L. Kruger and C. D. Nogaj (West Lafayette, IN, USA) Evolution of microstructure in semi-crystalline polymers under large plastic deformation. ............0..2884. 183 C. G’sell and A. Dahoun (Nancy, France) EE ee ae ee ee ee ee 201 D. E. Janney and H. R. Wenk (Berkeley, CA, USA) Effect of muscovite on the strength and lattice preferred orientations of experimentally deformed quartz aggregates... .... 209 J. Tullis (Providence, RI, USA) and H. R. Wenk (Berkeley, CA, USA) Experimental deformation of two-phase rock analogues ... 1... 1... eee ee 221 P. D. Bons (Utrecht, Netherlands) and J. L. Urai (Rijswijk, Netherlands ) Self consistent modelling of the creep behavior of mixtures of camphor and octachloropropane ................4. 231 L. S. Toth, A. Molinari (Metz, France) and P. D. Bons (Utrecht, Netherlands) Analogue experiments and numerical modelling on the relation between microgeometry and flow properties of polyphase I EE EI FO a ee a ea eee eee ee 237 P. D. Bons (Utrecht, Netherlands) and S. J. D. Cox (Clayton, Vic., Australia) Thermodynamics of phase transitions in swelling/shrinking surficial soillayers. . 2... 2... ee ee ee ee 247 T. K. Karalis (Xanthi, Greece) The energetics of steady state heterogeneous shear in mylonitic rock... 1... 261 M. R. Handy (Bern, Switzerland) es, be ie 6 ge ae Ae 2 boo a Oe Ok 8 + a ee eee eee ee ee 273 IEE ROE Te gga ee ere re ee ae a ee 275