MATERIALS SCIENCE AND ENGINEERING A VOLUMES 179/180, MAY 1, 1994 Contents Foreword Conference Organization Conference Chairman’s Address Plenary Lectures Formation of phases and microstructures by rapid solidification processing: an update H. Jones (Sheffield, UK) Recent progress in amorphous metallic materials in Japan T. Masumoto (Sendai, Japan) T. Egami (Philadelphia, PA, USA) Phase transformations in nanocrystalline alloys A. R. Yavari (St. Martin d’Héres, France) Metastable metals for “green” materials for global atmosphere conservation and abundant energy supply K. Hashimoto (Sendai, Japan) Thermodynamic and kinetic requirements for inverse melting R. Bormann (Geesthacht, Germany) Diffusion in amorphous metallic alloys W. Frank, A. Horner, P. Scharwaechter and H. Kronmiiller (Stuttgart, Germany) Crystallization of metallic glasses A. L. Greer (Cambridge, UK) Rapid solidification processing and microstructure formation W. Kurz (Lausanne, Switzerland) and R. Trivedi (Ames, IA, USA) Solidification reactions in undercooled alloys J. H. Perepezko (Madison, WI, USA) Fabrication and novel properties of nanostructured Al base alloys A. Inoue (Sendai, Japan) Magnetism of amorphous transition metals and alloys Y. Kakehashi (Sapporo, Japan) Applications of amorphous wire F. B. Humphrey (Boston, MA, USA) Heat flow in spray-formed Al-4Cu P. S. Grant, P. P. Maher and B. Cantor (Oxford, UK) Keynote Lectures Vitrification close to the Kauzmann point of eutectic Au-Pb-Sb alloys G. Klose and H.-J. Fecht (Berlin, Germany) Formation and annihilation of defects governing flow and diffusion in amorphous metals F. Spaepen (Cambridge, MA, USA) Diffusivity and viscosity during structural relaxation in metallic glasses A. van den Beukel and J. Sietsma (Delft, Netherlands) Vi Effect of melt temperature on the electrical resistivity and crystallization temperature of Al,,;La;Ni, and Al,,Ce;Ni, amorphous ie. oe ae eee kek a ee 6 inl bales ele} bbe ON ee 6 ee ee 8 6 ee 8 91 V. Manov (Haifa, Israel), A. Rubshtein, A. Voronel (Tel-Aviv, Israel), P. Popel and A. Vereshagin (Ekaterinburg, Russian Federation) High resolution electron microscopy of medium-range order in amorphousalloys ... 2... 6 ee ee eee ee ee ee 97 Y. Hirotsu (Nagaoka, Japan) eees ee es oe 8 ew aoe 6. 6 Oe ww 0 6 a ee eee 102 J. Weissmiiller (Saarbriicken, Germany) RR cg 6 ae) 6 bow ee 8 eet) © wb ee eee ew es 108 C. Suryanarayana and F. H. Froes (Moscow, ID, USA) Consolidation and mechanical properties of atomized Mg-based amorphous powders ..... 2... 6 ee ee ee ee ee 112 A. Kato, T. Suganuma (Susono, Japan), H. Horikiri, Y.K awamura, A. Inoue and T. Masumoto (Sendai, Japan) meeceromec Structure and trameport properties N quasi-crystals 2... tt tt te tt te eee twee eens 118 T. Fujiwara, G. Trambly de Laissardiére and S. Yamamoto (Tokyo, Japan) EEE ER ee ee ee ee ee a 122 J.-M. Dubois, S. S. Kang and A. Perrot (Nancy, France) Magnetic properties and core losses of nanocrystalline FE-M-B(M#=Zr, Hfor Nb)alloys.............020000- 127 A. Makino, K. Suzuki (Nagaoka, Japan), A. Inoue and T. Masumoto (Sendai, Japan) Electronic structure and electron transport properties of Al-Cu-Y and Mg-Cu-Y amorphous alloys .............. 132 U. Mizutani, H. Sugiura, Y. Yamada (Nagoya, Japan), Y. Sugiura and T. Matsuda (Aichi, Japan) Elastic properties of amorphous thin films studied using Rayleigh waves... . 2... 2 ee 137 R. B. Schwarz and J. B. Rubin (Los Alamos, NM, USA) EEE ee ae 142 M. Janik-Czachor (Warsaw, Poland) Direct measurements of crystal growth velocities in undercooled melts... 2... 2... ee ee 147 D. M. Herlach (Cologne, Germany) Structural and mechanical properties of fine composites prepared by Ti-Si,N, solid state reactions ............... 153 T. Koga, M. Mizuno and M. Nagumo (Tokyo, Japan) EN 158 J. O. Strom-Olsen, G. Rudkowska, P. Rudkowski, M. Allahverdi and R. A. L. Drew (Montreal, Que., Canada) Formation of Amorphous and Metastable Phases Microstructural developments in rapidly solidified monotectic alloys. ...... 2.0... 0.0 eee ee ee ee 163 R. Goswami and K. Chattopadhyay (Bangalore, India) A study of the glass-forming range in the ternary Ti-Ni-Al system by mechanicalalloying.................2.48. 168 R. Nagarajan and S. Ranganathan (Bangalore, India) Time-temperature-transformation diagram of a highly processable metallic glass .... 2... . 2... ee ee eee ee es 173 A. Peker and W. L. Johnson (Pasadena, CA, USA) a 176 D. J. Thoma (Los Alamos, NM, USA), J. H. Perepezko (Madison, WI, USA), D. H. Plantz (New London, CT, USA) and R. B. Schwarz (Los Alamos, NM, USA) Differential thermal analysis of hydrogen-induced amorphization in C15 Laves compounds RCo,................ 181 K. Mori, K. Aoki and T. Masumoto (Sendai, Japan) Temperature-dependent free energy of crystallization and viscosity of glassy materials ...............2.22208. 186 A. Pratap, A. Prasad, N. S. Saxena and M. P. Saksena (Jaipur, India) Metastable phases synthesized by ion beams and thermodynamic interpretation in binary metal systems ............. 189 B. X. Liu and Z. J. Zhang (Beijing, China) pusmemmom Gf metastante pases Dy he plating metnod .. tt tt et eee et ree eee tee 193 T. Watanabe (Tokyo, Japan) R. Nagarajan (Bangalore, India), K. Aoki (Sendai, Japan) and K. Chattopadhyay (Bangalore, India) Formation of metastable L1,-Al,Y through rapid solidification processing J.C. Foley, J. H. Perepezko (Madison, WI, USA) and D. J. Skinner (Morristown, NJ, USA) Extremely wide supercooled liquid region and large glass-forming ability in Zr,;_ Al, ;Cu,7;Ni;,»Be, amorphous alloys A. Inoue, T. Zhang, N. Nishiyama, K. Ohba and T. Masumoto (Sendai, Japan) Structural evolutions of Ni-Ti systems caused by mechanical alloying in different atmospheres... ............003% K. Y. Wang, T. D. Shen, H. G. Jiang, M. X. Quan and W. D. Wei (Shenyang, China) Formation of amorphous Ti-Si powdered alloys and their shock consolidation T. Yamasaki, Y. Ogino, K. Morishita (Hyogo, Japan), K. Fukuoka, T. Atou and Y. Syono (Sendai, Japan) Effects of ambient temperature and acceleration on various mechanical alloying products: Mg-Al-Zn quasicrystals, Ni-Zr amorphous alloys and amorphous Se T. Takeuchi, T. Koyano, M. Utsumi, T. Fukunaga (Nagoya, Japan), K. Kaneko (Osaka, Japan) and U. Mizutani (Nagoya, Japan) SUeeeEncies PORENIRID ih FEL IID. 6 nc oc os 6 ke BN eo Sen woe Sle Pe FUT oe Oe 229 W. H. Wang, H. Y. Bai and W. K. Wang (Beijing, China) ROC eee) Si IR IOUs Gan MIND 6865 shies 8 ES ee Sw ee ee Se et be wb oe WP ea Ue es 234 W. K. Wang, W. H. Wang and H. Y. Bai (Beijing, China) Prediction of amorphous formation in binary transition metal alloys Y. Makino (Osaka, Japan) Rapid solidification of cobalt-titanium alloys induced by nanosecond laser pulses S. Vitta (Bombay, India), A. L. Greer and R. E. Somekh (Cambridge, UK) Formation of metastable phases in a spray deposited 2024 aluminium alloy G. Song, J. Shen, Z. Jiang and Q. Li (Harbin, China) Stability and Phase Change Glass transition behaviour of Zr- and Ti-based binary amorphous alloys W.-N. Myung, H.-G. Kim (Kwang ju, South Korea) and T. Masumoto (Sendai, Japan) Atomistic computer simulation for liquid-glass transition in Zr-Ni alloy T. Aihara, Jr., K. Aoki and T. Masumoto (Sendai, Japan) Dynamical and structural liquid-glass transition for metallic potassium H. C. Chen and S. K. Lai (Chung-li, Taiwan) A comparison of the approach to equilibrium of the viscosity and diffusivity of Pd-Si-based amorphous metals. . . .. ..... . A. V. Wagner and F. Spaepen (Cambridge, MA, USA) The pressure effect on Au diffusion in amorphous Pd4.Ni49P> , P. A. Duine (Delft, Netherlands), S. K. Wonnell (Gif-sur-Yvette, France) and J. Sietsma (Delft, Netherlands) Effects of passing electric current on the structural relaxation and crystallization in amorphous alloys R. Takemoto and H. Hizubayashi (Ibaraki, Japan) Y. Takahara and H. Matsuda (Kitakyushu, Japan) Structural enthalpy relaxation in the glass transition range B. Zappel and F. Sommer (Stuttgart, Germany) Modelling of non-equilibrium crystallization and transformation diagrams N. Clavaguera (Barcelona, Spain) and M. T. Clavaguera-Mora (Bellaterra, Spain) Crystallization kinetics of an amorphous ferromagnet Fe;B,, ;S i, ; N. Kunitomi (Hiroshima, Japan) Crystallization of co-sputtered amorphous cobalt-carbon alloys: morphology and kinetics of spherulitic growth T. J. Konno and R. Sinclair (Stanford, CA, USA) Thermal properties and crystallization kinetics of new fluoride glasses M. D. Baro, A. Otero, S. Surifach (Bellaterra, Spain), A. Jha, S. Jordery (Uxbridge, UK), M. Poulain, A. Soufiane (Rennes, France), D. W. Hewak, E. R. Taylor and D. N. Payne (Southampton, UK) Vill paent treatment of melt-epun amosphous Fe-Si-B-Cu-ND alloy... ww tc tt eee ee ete tte eee eee 309 W. T. Kim, P. W. Jang, S. C. Yu (Chongju, South Korea) and B. S. Chun (Daejeon, South Korea) I | Ey) ee 316 C. Beeli (Ziirich, Switzerland), R. Liick (Stuttgart, Germany) and D. M. Herlach (Cologne, Germany) Atomic ordering and structure recovery of non-equilibrium mechanically groundalloy. ................522004 320 T. Mizoguchi, K. Nakamura, H. Hasegawa and N. Tanaka (Tokyo, Japan) A peecntiion study Of two rapidity SONGOG AI-FOGROyS. 0 ww ttt te te wee eee eee ewe eees 323 G. Riontino (Turin, Italy) and A. Zanada (Novara, Italy) Decomposition of the supersaturated solid solution in a rapidly solidified hypereutectic Al-Cualloy............... 327 S. C. Gill (Lausanne, Switzerland) and P. B. Prangnell (Manchester, UK) Diffusion of iron in Mg,,Ni,;Nd,; amorphous alloys with a wide supercooled liquid region. ..............2224. 334 H. Nakajima, Y. Honma, K. Nonaka, K. Shiozawa (Morioka, Japan), N. Nishiyama, A. Inoue and T. Masumoto (Sendai, Japan) Interdiffusion in amorphous Ni,;Ti;;/Ni;;Ti,; bilayer film studied by Auger electron spectroscopy ............... 337 S. M. Tadayyon, K. Noguchi and K. Tanaka (Nagoya, Japan) The relaxation of internal stresses during annealing of amorphous Fe, )NiyjBoy) . 2... 6. ee 341 M. de Jong, J. Sietsma, M. Th. Rekveldt and A. van den Beukel (Delft, Netherlands) Zr-Y base amorphous alloys with two glass transitions and two supercooled liquid regions. ..............2.0004. 346 A. Inoue, S. Chen and T. Masumoto (Sendai, Japan) Heat capacity of metallic glasses Fe-Ni-Zr, Co—-Cr-Zr, Pd-Siand Ni-Si-B. .....2..0.2.. ee.e ee. ee.e e ee 351 T. Kanomata, H. Endo, M. Kuboki (Tagajo, Japan), H. Kimura, T. Kaneko and T. Masumoto (Sendai, Japan) Growth dynamics of fractal Ge clusters during crystallization of amorphous phase on polycrystalline Aulayer.......... 355 A. Sugawara, T. Kikukawa and O. Nittono (Tokyo, Japan) An exact model of d.c. joule heating in amorphous metallic ribbons. ... 2... 1... ee 361 P. Allia, M. Baricco, M. Knobel, P. Tiberto and F. Vinai (Turin, Italy) Crystallization and thermal stability of amorphous Ti-Balloys.0..2.... .ee.e .ee. ee. e.e e.e .e.e 366 M. Naka, T. Okada and H. Mori (Osaka, Japan) Kinetic and thermodynamic aspects of crystallization in Cu-Ti-Ni and Cu-Ti-Al metallic glasses... ..........0.2.4. 371 W.-N. Myung (Kwang ju, South Korea), L. Battezzati, M. Baricco (Turin, Italy), K. Aoki, A. Inoue and T. Masumoto (Sendai, Japan) Dynamic temperature resistometry analysis of rapidly quenched Fe,,B,, alloy and its correlated study by Mossbauer spectros- es a 6 ke ee SB a SAS 8k ew ek teh eh eh ehh eh ee 376 A. Ashfaq, A. Shamim, S. A. Siddiqi (Lahore, Pakistan) and M. Arshed (Islamabad, Pakistan) Studies of crystallization of sputter-deposited Fe,,Si,B,, metallic glassfillm. ...... 2... eee ee ee ee ee ee 382 H. G. Jiang, H. Y. Tong, K. Lu, B. Z. Ding, Q. H. Song and Z. Q. Hu (Shenyang, China) Observation of the crystallization of amorphous Fe—Cu-Si-B alloy by in situ transmission electron microscopy ......... 386 X. D. Liu, K. Lu, B. Z. Ding and Z. Q. Hu (Shenyang, China) Ordering of chemically disordered Ni,Al and Ni,Ge prepared by mechanicalalloying ...............22+0000. 390 K. Aoki, X.-M. Wang, A. Memezawa and T. Masumoto (Sendai, Japan) Rapid crystallization of amorphous Co-Zr and Fe-B close to eutectic compositions .............2.00.+ 0e2e e 396 H. E. Fischer, S. Brauer, A. Zaluska, M. Sutton (Montreal, Que., Canada), J. O. Str6m-Olsen (Montreal, Que., Canada) and G. B. Stephenson (Yorktown Heights, NY, USA) Characteristics of microstructures of Ni-Au and Pd-Au alloy films prepared by an evaporationmethod............. 401 J. Yamanaka, Y. Nakamura and O. Nittono (Tokyo, Japan) re ee es eee a kk 6 bey be Gee ee O66 4 ee eee Oe ee ewe ee 408 S. Tsujikawa, P. Choi and H. Ino (Tokyo, Japan) An investigation on the microstructural stability of rapidly solidified Al-Fe-V-Sialloy ribbon .................. 412 J.-Q. Wang, M.-K. Tseng, X.-F. Chen, B.-J. Zhang and Z. Xianyu (Shenyang, China) EE ST ed a ee ee a 416 I. T. H. Chang, K. Ishii and B. Cantor (Oxford, UK) The hydrogen-induced structural relaxation and crystallization observed in amorphous Cu,,.Zr., and Cu,) Zr4. H. Mizubayashi, M. Matsumoto, H. Itoh and S. Okuda (Ibaraki, Japan) T. J. Konno and R. Sinclair (Stanford, CA, USA) Structural Characterization On the determination of the structure of metallic glasses by reverse Monte Carlo simulation: comparison with hard sphere Monte Carlo results L. Pusztai and O. Gereben (Budapest, Hungary) Molecular dynamics applied to a reverse Monte Carlo configuration for amorphous Ni,,B,, B. J. Thijsse and J. Sietsma (Delft, Netherlands) Structural study of Zr,,Y,,Al,;Ni,; amorphous alloys by anomalous X-ray scattering (A XS) E. Matsubara, K. Sugiyama, A. H. Shinohara, Y. Waseda, A. Inoue, T. Zhang and T. Masumoto (Sendai, Japan) Atomic structure analysis of NdFe and NdCo amorphous films S. Takayama and H. liyori (Kanagawa, Japan) Mechanically induced atomic disorder and phase transformation in intermetallic compounds G.-F. Zhou and H. Bakker (Amsterdam, Netherlands) Small-angle neutron scattering studies of nanosized amorphous Si-Au alloys A. Wiedenmann, A. Sturm and H. Wollenberger (Berlin, Germany) Evolution of medium-range order of Mg, ;Niy ;Lay. metallic glass at a supercooled liquid temperature M. Matsuura (Miyagi, Japan), T. Fukunaga and U. Mizutani (Nagoya, Japan) A fluorescence X-ray absorption fine structure study of the effect of small amounts of additives on the formation of the nano- crystalline phase from metallic glass M. Sakurai (Sendai, Japan), M. Matsuura (Miyagi, Japan), S.-H. Kim (Sendai, Japan), Y. Yoshizawa, K. Yamauchi (Kumagaya, Japan) and K. Suzuki (Sendai, Japan) Short-range structure of amorphous and nanocrystalline Fe-Si-B-Cu-Nb alloys N. Mattern, M. Miiller, C. Stiller and A. Danzig (Dresden, Germany) Local atomic structural changes on structural relaxation in a Pd,,Si,, amorphous alloy K. Anazawa, T. Ohkubo and Y. Hirotsu (Nagaoka, Japan) Structural and magnetic properties of Fe-Ag granular material S. A. Makhlouf, K. Sumiyama, T. Kamiyama, K. Wakoh and K. Suzuki (Sendai, Japan) High-resolution electron microscopy study of microstructural changes in magnetic Fe-Nb-B films in the course of annealing . . M. Nakamura, Y. Hirotsu, K. Anazawa, A. Makino (Nagaoka, Japan), A. Inoue and T. Masumoto (Sendai, Japan) Nanocrystalline Materials A universal model for solid state amorphization of nanosized and supersaturated crystals H.-J. Fecht (Berlin, Germany) Microstructure of nanocrystalline b.c.c. Fe-M-B (M = Nb, Hf) soft magnetic alloys A. Makino, Y. Yamamoto, Y. Hirotsu (Nagaoka, Japan), A. Inoue and T. Masumoto (Sendai, Japan) The role of boron in nanocrystalline Fe-Zr-B soft magnetic alloys K. Suzuki, A. Makino (Nagaoka, Japan), A.-P. Tsai, A. Inoue and T. Masumoto (Sendai, Japan) Crystallization of amorphous Al,;Y,)Ni; and Aly; Y;Nij,, alloys J. Latuch, H. Matyja (Warsaw, Poland) and V. I. Fadeeva (Moscow, Russian Federation) Production of nanocrystalline b.c.c. Fe-Nb-B bulk alloys by warm extrusion and their magnetic properties A. Kojima, H. Horikiri, Y. Kawamura (Sendai, Japan), A. Makino (Nagaoka, Japan), A. Inoue and (Sendai, Japan) Structural and magnetic properties of nanocrystalline Fe-Si-B alloys produced by mechanical crystallization R. Schulz, M. L. Trudeau (Varennes, Que., Canada), D. Dussault, A. Van Neste (Ste-Foy, Que., Canada) and L. Dignard-Bailey (Varennes, Que., Canada) Crystallization of Fe-Si-B-Ga-Nb amorphous alloy T. Tomida (Amagasaki, Japan) Thermodynamic, kinetic and structural mechanisms controlling the formation of nanocrystalline Nd-Fe-B materials ..... . 526 J. A. Diego (Terrassa, Spain), M. T. Clavaguera-Mora (Bellaterra, Spain) and N. Clavaguera (Barcelona, Spain) Thermal stability of nanocrystalline nickel electrodeposits: differential scanning calorimetry, transmission electron microscopy EES a a ee ee ee ee oe eo a a re 531 A. Cziraki, Zs. Tonkovics, I. Gerécs, B. Fogarassy, I. Groma, E. Téth-Kadar, T. Tarnéczi and I. Bakonyi (Budapest,) Hungary) Variation of the interfacial energy with grain size in nanocrystalline materials... 2... 1. ee 536 K. Lu, R. Liick and B. Predel (Stuttgart, Germany) Variation in lattice parameters with grain size of ananophase Ni,P compound ...2.... 0.. ee. eee. eee. ee ee 541 M. L. Sui and K. Lu (Shenyang, China) Microstructural characterization of nanocomposite thin films of Ag-SiO,, Ag—-ZnO and Ag-Si ...............24. 545 M. H. Lee, I. T. H. Chang, P. J. Dobson and B. Cantor (Oxford, UK) Microstructural change upon annealing Fe-Zr-B alloys with different boron contents ............ 00050822 eae 552 K. Y. Kim, T. H. Noh, I. K. Kang and T. Kang (Seoul, South Korea) Formation of nuclei of metastable phases in nanocrystalline materials... 2... 1 ee 557 I. Mat’ko, P. Duhaj, P. Svec and D. Janiékovié (Bratislava, Slovak Republic) I a aee e 563 Z. Q. Hu, X. D. Liu, K. Lu and B. Z. Ding (Shenyang, China) The kinetics of amorphous-nanocrystalline transformation fora Finemetalloy. ......0..00.000. ee.e e.e e 567 L. K. Varga, E. Bakos, L. F. Kiss and I. Bakonyi (Budapest, Hungary) Nanocrystalline phase formation in amorphous Fe,, ;Cu, Nb,Si, ; ;B, submitted to conventional annealing and Joule heating. . . 572 M. Baricco, C. Antonione, P. Allia, P. Tiberto and F. Vinai (Turin, Italy) The formation of nanostructured materials by consolidating ultrafine amorphous alloy particles prepared by chemical reduction 577 J. Saida (Chiba, Japan), A. Inoue and T. Masumoto (Sendai, Japan) Ion irradiation induced grain growth in nanocrystalline Feand Fe(Zr). . 2 2. 0. oe 582 N. Karpe (Stockholm, Sweden), J. Bottiger, N. G. Chechenin and J. P. Krog (Aarhus, Denmark) EE IE EOE Ge ee ae ee an ata aa ae ee 587 N. El-Mahallawy, M. Taha and H. Fredriksson (Stockholm, Sweden) High Strength and Low Density Materials High mechanical strength and strengthening mechanism of aluminum alloys with an ultrafine grain structure. .......... 592 K. Ohtera, K. Kita, H. Nagahama (Kurobe, Japan), A. Inoue and T. Masumoto (Sendai, Japan) New Al-based amorphous alloys with high mechanical strength in the AlI-Ni-M and Al-Co-M (M=Mn, Fe, Co, Ni) systems. . 596 Y. Horio, A. Inoue and T. Masumoto (Sendai, Japan) Crystallization behaviour of Al-Sm amorphous alloys .....2.2.. e e.ee e.ee .eee .e eee. ren.e ee eee L. Battezzati, M. Baricco (Turin, Italy), P. Schumacher, W. C. Shih and A. L. Greer (Cambridge, UK) Mechanical properties of a rapidly solidified AlI-Si-Ni-Mnallo0y.0.. .e.ee. e.e .ee. e.e.e .ee.e .e s 605 I. Johansen and H. J. Roven (Trondheim, Norway) Solid solution of Cu in (Al-Cu)-SiC, metal matrix composites processed by spray atomization and codeposition. ........ 609 J. A. Juarez-Islas (Morelos, Mexico), S. Su (Irvine, CA, USA), R. Perez, B. Campillo (Morelos, Mexico) and E. J. Lavernia (Irvine, CA, USA) Microstructural and mechanical evaluations of sprayed-deposited 7X XX Al-alloys after conventional consolidation. ..... . 614 J. A. Juarez-Islas, R. Perez (Morelos, Mexico), P. Lengsfeld and E. J. Lavernia (Irvine, CA, USA) Development of high temperature dispersion strengthening in rapidly quenched Al-Ti-X alloys. ................ 619 J. F. Nie, A. Majumdar and B. C. Muddle (Clayton, Vic., Australia) Thermal stability in a superplastic Si;N,,,/Al-Mg composite. .. 2... 6 ee te ee te ee ee ee ee ees 625 M. Mabuchi (Nagoya, Japan) and K. Higashi (Osaka, Japan) Easy glass formation in Mg,,Ni,,Nd,,; by Bridgman solidification. .... 2... 2... . eee ee ee ee 628 Y. Li, H. Y. Liu, H. A. Davies and H. Jones (Sheffield, UK) High specific strength of extruded Mg-Al-Ge alloys produced by rapid solidification processing. ...............4. 632 T. Shibata, M. Kawanishi, J. Nagahora (Kawasaki, Japan), A. Inoue and T. Masumoto (Sendai, Japan) Structure and decomposition behaviour of rapidly solidified Mg-Nd-X (X = All, Si) alloys W. J. Park, H. Park, D. H. Kim and N. J. Kim (Pohang, South Korea) Kinetics of the crystallization of amorphous Ti-Ni and Ti-Ni-Si alloys C. Seeger and P. L. Ryder (Bremen, Germany) Effects of thermomechanical processing on titanium aluminide strip cast by the melt overflow process. ............. 645 T. A. Gaspar, L. E. Hackman (Columbus, OH, USA), E. Batawi and J. A. Peters (Winterthur, Switzerland) Formation and mechanical properties of amorphous AIl-Ni-Nd alloys .......2.0.00 .ee. ee.e .eee. ee ns 649 A. Inoue, T. Ochiai, Y. Horio and T. Masumoto (Sendai, Japan) The effect of Cu addition on the structure and mechanical properties of AI-Ni-M (M =Ce or Nd) amorphous alloys containing IS 9G fe hed Dias oe 6 ie Sek ee ee & 18-048 BO oa ee be OO eed oe ee 654 A. Inoue, K. Nakazato, Y. Kawamura and T. Masumoto (Sendai, Japan) Formation of coexistent icosahedral and f.c.c.-Al phases in rapidly solidified Al-Ce-M-Si (M = transition metal) alloys and their mechanical strengths M. Watanabe, M. Ito (Akita, Japan), H. Kimura, A. Inoue and T. Masumoto (Sendai, Japan) Microstructure of rapidly solidified Al-7.5Cu-2.5Fe S. J. Andersen, Y. X. Guo, R. Hoier and G. Waterloo (Trondheim, Norway) Microstructure and solidification analysis of melt-spun Al-Ti and Al-Ti-B alloys M. G. Chu (Alcoa Center, PA, USA) Effects of the atmosphere on the mechanical alloying process of Al-25at.%Ti mixed powder S. Saji, H. Yasuda and T. Yamane (Suita, Japan) The aging characteristics of rapidly solidified high lithium Al-Li-Mg alloys D. M. J. Wilkes, Y. Li and H. Jones (Sheffield, UK) Structure and microhardness of rapidly solidified Al-Cr-RE (RE = La-rich misch metal) alloy M. Guofa, Z. Songyan, J. Zuling and L. Qingchun (Harbin, China) Mechanical strength and thermal stability of Ti-based amorphous alloys with large glass-forming ability K. Amiya, N. Nishiyama, A. Inoue and T. Masumoto (Sendai, Japan) Production of flaky Ti-based amorphous powder by a two-stage quenching technique and its thermal stability N. Nishiyama (Sendai, Japan), M. Oguchi (Okaya, Japan), A. Inoue and T. Masumoto (Sendai, Japan) New Mg-based amorphous alloys in Mg-Y-misch metal systems H. Horikiri, A. Kato, A. Inoue and T. Masumoto (Sendai, Japan) Microstructure and mechanical properties of bulk Mg;,)Ca,)Al,, alloys produced by extrusion of atomized amorphous powders 707 A. Kato, H. Horikiri, A. Inoue and T. Masumoto (Sendai, Japan) Microstructure and strength of rapidly solidified magnesium alloys H. Iwasaki, T. Mori, A. Tamura (Hyogo, Japan), K. Higashi and S. Tanimura (Osaka, Japan)