INIS-mf—10066 SECOND ISRAEL MATERIALS ENGINEERING CONFERENCE February 21-23,1984 BEN-GURION UNIVERSITY OF THE NEGEV BEER-SHEVA, ISRAEL CONFERENCE PROCEEDINGS Edited by A.GRILL & S.I.ROKKLIN SECOND ISRAEL MATERIALS ENGINEERING CONFERENCE February 21-23.1984 BEN-GURION UNIVERSITY OF THE NEGEV BEER SHEVA, ISRAEL CONFERENCE PROCEEDINGS Edited by A.GRILL & S.I.ROKH LIN ORGANIZING COMMITTEE Chairman - Prof. S. Rokhlin, Ben-Gurion University of the Negev Dr. U. Arnon, Israel Aircraft Industry Prof. D. Brandon, Technion -Israel Institute of Technology and Israel Institute of Metals Dr. B. Cina, Israel Metallurgical Society and Israel Aircraft Industry Prof. M. Dariel, Ben-Gurion University of the Negev and Nuclear Research Centre - Negev Dr. S. Kenig, Rafael - Haifa Dr. G. Metzger, National Council for Research Development Dr. H. Paruz, Ministry of Defense Prof. J. Pel leg, Ben-Gurion University of the Negev Dr. M. Polak, Ben-Gurion University of the Negev Prof. M. Ron, Technion - Israel Institute of Technology Dr. A. Stern, Nuclear Research Centre - Negev Prof. B.Z. Weiss, Technion - Israel Institute of Techology EDITORIAL COMMITTEE Chairman - Prof. A. Grill, Ben-Gurion University of the Negev Prof. L. Kornblit, Ben-Gurion University of the Negev Prof. I. Minkoff, Technion - Israel Institute of Technology Mr. B. Rnbin, Israel Aircraft Industry Prof. M. Rosen, Ben-Gurion University of the Negev Prof. M. Schieber, The Hebrew University of Jerusalem Dr. J. Zahavi, Israel Institute of Metals Mr. Z. Wagner, Israel Military Industries THE CONFERENCE WAS SPONSORED BY: jpartment of Materials Engineering, Ben-Gurion University of the Negev Department of Materials Engineering, Technion - Israel Institute of Technology Faculty of Engineering, Tel Aviv University School of Applied Science and Technology, The Hebrew University of Jerusalem Ministry of Defense National Council for Research and Development Israel Atomic Energy Commission, Nuclear Research Centre - Negev Israel Military Industries RAFAEL - Israel Armament Development Authority INTEL Electronics Ltd. ASHOT - ASHKELON Ltd. ISCAR BLADES Ltd. ISKOOR Ltd. URDAN, Associated Steel Foundries Ltd. CONTENTS I. TRANSFORMATIONS Kinetics and Metastable Structure Formation in Rapid Solidification Processing. (Invited). D. Turnbull 1 Some Techniques for the Study of Atomic Motions with Applications to Ceramic Materials. (Invited). A.S. Nowick 11 An Atomic Resolution Study of Radiation-Induced Precipitation in Fast Neutron Irradiated Tungsten (Rhenium) Alloys. (Invited). R. Herschitz, D.N. Seidman 21 Some Aspects of the Crystallization of Rare Earth-Noble Metal Amorphous Thin Film. L. Shikhmanter, M. Talianker, M.P. Dariel 30 Dendritic Growth and Dendrite Arm Spacing in the Solidification of Steel. M. Bamberger, I. Minkoff 35 Transition from Fibrous to Lamellar Morphology in Undierctional Solidified Ni-W Eutectic. S.F. Dirnfeld, Y. Zuta 39 The Microstructure of Rapidly Solidified Cu-Fe Alloys. A. Munitz, Z. Livne 46 Phase Stability 5 Massive Transformation in Y203 - Completely Stabilized Zirconia (Y-CSZ). A.H. Heuer, R. Chaim, M. Ruhle 51 Microstructure Evolution S Ordering in Commercial MGO-Partially Stabilized Zirconia (MG-PSZj. R. Chaim, D.G. Brandon 55 Deformation Induced Decomposition of Uranium-Titanium Martensite. G. Kimrnel, J. Sariei, A. Landau, M. Talianker 59 II. ALLOY PHASES AND STRUCTURE Applications of Analytical Electron Microscopy to Materials. J.I. Goldstein, O.B. Williams, M.R. Notis 63 Field Electron and Ion Emission from Zirconiated and Zr Free W Cathode. J. Pelleg, J.L. Fink 67 The Transmission Electron Microscopy of NBi-5 Brazed Joint of Inconel 718. B. Grushko, 0. Botstein, B.Z. Weiss 71 II Size Effect in Radiation Induced Segregation (RIS). L. Kornblit, A. Ignatiev 74 Applications of Advanced Color Computer Graphic Display Techniques to Materials Problems .Phase Equilibria § Diffusional Growth. M.R. Notis, S.K. Tarby, J.I. Goldstein 77 Coercivity and Squareness Ratio in Co-W Thin Films. U. Admon, G. Kimmel, M.P. Dariel, E. Grunbaum, J.C. Lodder 82 Structural Analysis of High-Vacuum, High-Temperature BNi-5 Brazed Joint of Inconel 718 Superalloy. B. Grushko, B.Z. Weiss 88 Phase Relations in the Cu-Nd System on the Cu Rich Side. C. Laks, J. Pelleg, L. Zevin 92 Effect of Small Additions on Grain Refinement of a 14 Carat Au-Ag-Eu-Zn Alloy. M. Fishman, L. Gal-Or, A. Iram . 95 Reinvestigation of the Pr-Ga System in the 66-100 at% Range. J. Pelleg, D. Dayan, G. Kimmel 100 Texture in Low Alloyed Uranium Alloys. J. Sariel, G. Kimrael, J. Pelleg 104 III. MECHANICAL BEHAVIOR Microstructure and Properties of Tungsten-Based Heavy Alloys. (Invited). D.V. Edmonds 108 Investigation of the Creep Failure Mechanism in the Mo-5%W Alloy. A. Freund, D. Agronov, A. Rosen 119 Isochronous Creep of Copper-Beryllium-Nickel Alloy (Cu-0.4 Be - 2.0 Ni) Solution Treated and Aged . N. Nir 122 Hot Tearing of Lead Alloys. P. Arigur, F. Weinberg 128 The Embrittlement of Steels by Low Melting Point Metals. N. Breyer 133 The Effect of Substructure on Creep Properties of the TZM Alloy. D. Agronov, E. Freund , A. Rosen 137 Fracture Toughness Evaluation of Brittle Materials Using Indentation Method. Z. Nissenholz 142 Ill IV. ENVIRONMENTAL BEHAVIOR Failure of Welded Inconel-600 Pipe in the Cooling Systems of a Nuclear Reactor. G. Kohn, B. Herrman, E. Rabinovitz, A. Stern, S. Addess 146 Effects of Metallurgical Variables on Hydrogen Embrittlement in Types 316, 321 and 347 Stainless Steels. P. Rozenak, D. Eliezer 152 Martensitic Transformations in 304L and 316L Types Stainless Steels Cathodically Hydrogen Charged. E. Minkovitz, D. Eliezer 158 Mechanical Properties Degradation of Hydrogenated Austenitic SS. I. Gilad, Y. Katz, H. Mathias 163 Tensile Flow and Fracture Behaviour of Austenitic Stainless Steel After Thermal Aging in Hydrogen Atmosphere. Y. Rosenthal, M. Mark-Markowitch , A. Stern, D. Eliezer 167 Corrosion Behaviour of Al-Cu Alloy Thin Films in Microelectronics. J. Zahavi, M. Rotel, H.C.W. Huang. P.A. Totta. 175 V. PROCESSING AND TESTING Quantitative Nondestructive Evaluation Using Ultrasonic Waves. (Invited) L. Adler 185 On the Homogenization Problem in Sintered Alloys. L. Levin, A. Stern 201 Heat Transfer to Water and its Importance for Metal Casting and Heat Treatment. M. Bamberger, B. Prinz 209 Fast, Non-Destructive Elechtrochemical Detection of Surface Inclusions in Metallic Substrates. I. Rubinstein 214 Telephone Tokens Produced by Powder Metallurgy. A. Sharon 216 Automatic Detection of Fluorescent Indications. K.M. Jacobsen 221 Cryoforming of 301 and 302 Stainless Steel. T. Livni, S. Bar-Ziv, A. Rotem, A. Rosen 225 Ausforming of H-ll Mod Steel G. Elkabir, A. Rosen 232 IV VI. SURFACE PHENOMENA Thermodynamic and Kinetic Phenomena in Adsorbed Layers. (Invited). M. Grunze 235 Supported Silver Catalysts Have Some Important Properties in Common with Rough Silver Films: EHipsometry § Raman Data. P.H. McBreen, D. Hall, J. Lalman, M. Moskovits 245 XPS Studies of Si Films Deposited from SiCl4 by an RF Cold Plasma Technique. E. Grossman, M. Polak, A. Grill 249 Quantitative XPS of NaS-Alumina: Evidence for Sodium Anisotropic Segregation. Y. Grinbaum, M. Polak 253 VII. SURFACE TREATMENT AND COATINGS Structure of Protective Diffusion Coating for Niobium Alloys. M. Kazinets, 0. Gafri, L. Zevin, B. Rabin 258 The Effect of B and P Doping on the CI Concentration and the Deposition Rate of Si from SiCl4 in RF Plasma. R. Manory, E. Grossman, R. Avni, A. Grill 262 Silicon Nitride Coatings by the Low Pressure RF Plasma Technique. U. Carmi, A. Raveh, A. Inspektor, R. Avni 267 Boridation of Steels in Low Pressure R.F. Plasma. A. Raveh, A. Inspektor, U. Carmi, E. Rabinovitz, R. Avni 272 Laser Induced Copper Electroless Plating. S. Tamir, J. Zahavi 277 Surface Hardening of Steel by Boriding in a Cold RF Plasma. I. Finberg, R. Avni, A. Grill, T. Spalvins, D. Buckley 283 VIII. MATERIALS AND PROCESSES FOR ELECTRONICS Current Metallization Issues in Microelectronic Devices. (Invited). K.N. Tu 288 Schottky Barrier Height for Ti-W on Silicon. M.O. Aboelfotoh, K.N. Tu 291 Interfacial Reactions in Laser Annealed Ni/GaAs Contacts. A. Lahav, T. Brat, C. Cyterman, M. Eizenberg 299 Enhanced Opto-Electronic Activity of Semiconductors by Means of (Photo) Electrochemical Etching. R. Tenne, V. Marcu 304 Laser Induced Metal Deposition on GaAs substrates. J. Zahavi 308 Vapor Phase Soldering of Surface Mounted Electronic Assemblies. E. Falkenstein, I. Fainaro 315 Lattice, Grain Boundary and Short Circuits Diffusion of Phosphorus in TaSi Thin Films. J. Pelleg 320 The LIMM Technique for Determination of the Spatial Distribution of Polarization of Space Charge in Polymer Electrets. S.B. Lang 324 Chalcogenide Infrared Glass Fibers A. Bornstein, N. Croitoru 328 Programming of Crystal Diameter in Czochralski Growth by a Cooling Plot: Application to InSb. M. Azoulay, Z. Burstein 332 IX. MATERIALS FOR ENERGY CONVERSION The Dependence of the High Temperature, High Flux Stability Materials on Surface Structure and Composition. (Invited) . A. Ignatiev 336 Transparent Conductor Films as a Material for Photovoltaic Junctions with Polycrystalline Silicon. Z. Harzion, M. Zafir, J. Rishpon, S. Gottesfeld, N. Croitoru 343 Photoelectrochemical Characterization of ^, G. Dagan, G. Hodes, S. Endo, D. Cahen 347 MN. 15Pe~ oc - Hydride Compacts for Hydrogen Heat Pumps. Y. Josephy, Y. Eisenberg, M. Ron 350 X. POLYMERS AND COMPOSITES Crosslink Density of Polymers - Can it be Determined by Solvent Swelling? M. Gottlieb 356 Phase Separation in Rubber Modified Flame Retardant Epoxy Systems. Hemi Nae 361 Recent Advance in the Strength and Time Dependent Failure Process of Kevlar Monofilaments and Composites. H.D. Wagner, S.L. Phoneix, P. Schwartz 365 Deformation Processes in Impact Modified PVC. A. Hadas, A. Siegmann 369 Fatigue Crack Propagation Mechanisms in Polymers. A. Bussiba, Y. Katz, H. Mathias 373 AUTHORS' INDEX 378 KINETICS AND METASTABLE STRUCTURE FORMATION IN RAPID SOLIDIFICATION PROCESSING D. Turnbull Division of Applied Sciences, Harvard University, Cambridge, MA 02138 USA ABSTRACT The general procedures in metastable structure synthesis are surveyed and the reasons for kinetic preferences for metastable structures are discussed.