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2004 FALL MEETING PROCEEDINGS

Symposium S
Integrative and Interdisciplinary Aspects of Intermetallics

Editors: Michael J. Mills, Haruyuki Inui, Helmut Clemens, Chong-Long Fu,

MRS Proceedings Volume 842
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Suggested format for citation of papers in this volume:
List all author names: Title of article, in Integrative and Interdisciplinary Aspects of Intermetallics , edited by Michael J. Mills, Haruyuki Inui, Helmut Clemens, and Chong-Long Fu (Mater. Res. Soc. Symp. Proc. 842, Warrendale, PA , 2005), insert paper number.


Ribbon Award Winner
Microstructures and Mechanical Properties of NiAl-Mo Composites S1.2
H. Bei and E.P. George

Microstructure and Thermo-Mechanical Behavior of NiAl Coatings S1.3
G. Dehm, J. Riethmüller, P. Wellner, O. Kraft, H. Clemens, and E. Arzt

First-Principles Study of Structural and Defect Properties in FeCo Intermetallics S1.4
M. Krcmar, C.L. Fu, and J.R. Morris

Effect of Heat Treatments on Microstructure of Rapidly Solidified TiCo Ribbons S1.5
Kyosuke Yoshimi, Akira Yamauchi, Ryusuke Nakamura, Sadahiro Tsurekawa, and Shuji Hanada

Complex Intermetallic Compounds: Defects, Disordering, Details S1.6
W. Sprengel , F. Baier, K. Sato, X.Y. Zhang, and H.-E. Schaefer

Strengthening of Iron Aluminide Alloys for High-Temperature Applications S1.7
Martin Palm, André Schneider, Frank Stein, and Gerhard Sauthoff

Development of High Temperature Creep Resistance in Fe-Al Alloys S1.8
D.G. Morris, M.A. Muñoz-Morris, and C. Baudin

Pseudoelasticity of D03 Ordered Monocrystalline Fe3Al S1.9
S. Kabra, H. Bei, D.W. Brown, M.A.M. Bourke, and E.P. George

Effect of Alloying Elements (Ga, Ge, Si) on Pseudoelasticity in Fe3Al Single Crystals S1.10
Hiroyuki Y. Yasuda, Takashi Kase, and Yukichi Umakoshi

Quantitative Analysis of gamma Precipitates in Cyclically Deformed Ni3(Al,Ti) Single Crystals Using Magnetic Technique S2.3
Yukichi Umakoshi, Hiroyuki Y. Yasuda, and Toshifumi Yanai

Microstructures and Mechanical Properties in Ni3Si-Ni3Ti-Ni3Nb-Based Multi-Intermetallic Alloys S2.5
T. Takasugi, K. Ohira, and Y. Kaneno

Dislocation Structure, Phase Stability and Yield Stress Behavior of Ultra-High Temperature L12 Intermetallics: Combined First Principles-Peierls-Nabarro Approach S2.7
Oleg Y. Kontsevoi, Yuri N. Gornostyrev, and Arthur J. Freeman

Ribbon Award Winner
A Bond-Order Potential Incorporating Analytic Screening Functions for the Molybdenum Silicides S2.8
Marc J. Cawkwell, Matous Mrovec, Duc Nguyen-Manh, David G. Pettifor, and Vaclav Vitek

Role of Microstructure in Promoting Fracture and Fatigue Resistance in Mo-Si-B Alloys S2.9
J.J. Kruzic, J.H. Schneibel, and R.O. Ritchie

The Effects of Substitutional Additions on Tensile Behavior of Nb-Silicide Based Composites S2.10
Laurent Cretegny, Bernard P. Bewlay, Ann M. Ritter, and Melvin R. Jackson

Microstructures of LENST Deposited Nb-Si Alloys S2.11
Ryan R. Dehoff, Peter M. Sarosi, Peter C. Collins, Hamish L. Fraser, and Michael J. Mills

Transformation Behavior of TiNiPt Thin Films Fabricated Using Melt Spinning Technique S3.2
Tomonari Inamura, Yohei Takahashi, Hideki Hosoda, Kenji Wakashima, Takeshi Nagase, Takayoshi Nakano, Yukichi Umakoshi, and Shuichi Miyazaki

Factors for Controlling Martensitic Transformation Temperature of TiNi Shape Memory Alloy by Addition of Ternary Elements S3.4
Hideki Hosoda, Kenji Wakashima, Shuichi Miyazaki, and Kanryu Inoue

Advanced TEM Investigations on Ni-Ti Shape Memory Material: Strain and Concentration Gradients Surrounding Ni4Ti3 Precipitates S3.6
Dominique Schryvers, Wim Tirry, and Zhiqing Yang

Shape Memory Effect Through L10-fcc Order-Disorder Transition S3.8
K. Tanaka

Coarsening Behavior and Coercivity in L10-Ordered Intermetallic Fe-Pd Ferromagnets with Equiaxed Grain Morphology S3.9
Jörg M.K. Wiezorek and Anirudha R. Deshpande

Comparison of Temperature Driven Ordering in Bulk Foil and Thin Film of L10 Ordered FePd S3.10
Chaisak Issro, Wolfgang Püschl, Wolfgang Pfeiler, Bogdan Sepiol, Peter F. Rogl, William A. Soffa, Manuel Acosta, and Véronique Pierron-Bohnes

Sub-Nano and Nano-Structures of Hydrides of LaNi5 and its Related Intermetallics S4.1
Etsuo Akiba, Kouji Sakaki, and Yumiko Nakanura

Characterization and Catalytic Properties of Ni3Al for Hydrogen Production From Methanol S4.2
Ya Xu, Satoshi Kameoka, Kyosuke Kishida, Masahiko Demura, An-pang Tsai, and Toshiyuki Hirano

Investigation of the Structure and Properties of Hypereutectic Ti-Based Bulk Alloys S4.3
Dmitri V. Louzguine-Luzgin, Larissa V. Louzguina-Luzgina, and Akihisa Inoue

In Situ Observation of Surface Relief Formation and Disappearance During Order-Disorder Transition of Equi-Atomic CuAu Alloy Using Laser Scanning Confocal Microscopy S4.4
Seiji Miura, Hiroyuki Okuno, Kenji Ohkubo, and Tetsuo Mohri

Directional Thermoelectric Performance of Ru2Si3 S4.6
Benjamin A. Simkin, Yoshinori Hayashi, and Haruyuki Inui

Mechanical Aspects of Structural Optimization in a Bi-Te Thermoelectric Module for Power Generation S4.7
Yujiro Nakatani, Reki Takaku, Takehisa Hino, Takahiko Shindo, and Yoshiyasu Itoh

Effects of Ga- and In-Doping on the Thermoelectric Properties in Ba-Ge Clathrate Compounds S4.8
Norihiko L. Okamoto and Haruyuki Inui

Magnetic Properties of E21-Base Co3AlC and the Correlation With the Ordering of Carbon Atoms and Vacancies S4.9
Yoshisato Kimura, Fu-Gao Wei, Hideyuki Ohtsuka, and Yoshinao Mishima

Atomic, Electronic, and Magnetic Structure of Iron-Based Sigma-Phases S4.10
Pavel A. Korzhavyi, Bo Sundman, Malin Selleby, and Börje Johansson

Effect of Heat Treatment Conditions on Multistage Martensitic Transformation in Aged Ni-rich Ti-Ni Alloys S5.1
Minoru Nishida, Toru Hara, Yasuhiro Morizono, Mitsuhiro Matsuda, and Kousuke Fujishima

Application of the CSL Model to Deformation Twin Boundary in B2 Type TiNi Compound S5.2
Minoru Nishida, Mituhiro Matsuda, Yasuhiro Morizono, Towako Fujimoto, and Hideharu Nakashima

Structural Properties and Magnetic Behavior in the Pseudobinary Alloys CoFe-CoAl S5.5
Nobutoshi Tadachi, Hiroki Ishibashi, and Mineo Kogachi

Formation of Defect Structures During Annealing of Cold-Deformed L10-Ordered Equiatomic FePd Intermetallics S5.6
Anirudha R. Deshpande and Jörg M.K. Wiezorek

Crystal Structure and Thermoelectric Properties of Al-Containing Re Silicides S5.7
Eiji Terada, Min-Wook Oh, Dang-Moon Wee, and Haruyuki Inui

Identification of the Chirality of Intermetallic Compounds by Electron Diffraction S5.8
S. Fujio, H. Sakamoto, K. Tanaka, and H. Inui

B2 Phases and Their Defect Structures: Part II. Ab Initio Vibrational and Electronic Free Energy in the Al-Ni-Pt-Ru System S5.13
Raymundo Arroyave, Sara Prins, and Zi-Kui Liu

B2 Phases and Their Defect Structures: Part I. Ab Initio Enthalpy of Formation and Enthalpy of Mixing in the Al-Ni-Pt-Ru System S5.14
Sara Prins, Raymundo Arroyave, Chao Jiang, and Zi-Kui Liu

Thermal Analysis of Relaxation Processes of Supersaturated Vacancies in B2-Type Aluminides S5.15
Ryusuke Nakamura, Kyosuke Yoshimi, Akira Yamauchi, and Shuji Hanada

Microstructure and Mechanical Properties of Fe-Ni-Mn-Al Alloys S5.17
M.W. Wittmann, I. Baker, J.A. Hanna, and P.R. Munroe

Thermomechanical Treatment of a Fe3Al Alloy S5.18
Joachim Konrad, Stefan Zaefferer, André Schneider, Georg Frommeyer, and Dierk Raabe

Optimization of Precipitation for the Development of Improved Wrought Fe3Al-Based Alloys S5.19
Satoru Kobayashi, Stefan Zaefferer, and André Schneider

Effect of Excess Vacancies on Antiphase Domain Growth in Fe3Al S5.20
Y. Koizumi, T. Hagiwara, Y. Minamino, and N. Tsuji

Microstructure, Mechanical Properties and Wear Resistance of Fe-Al Based Alloys With Various Alloying Elements S5.21
Han-Sol Kim, In-Dong Yeo, Tae-Yeub Ra, and Won-Yong Kim

Microstructures in Cold-Rolled Ni3Al Single Crystals S5.22
Kyosuke Kishida, Masahiko Demura, and Toshiyuki Hirano

Parameters of Dislocation Structure and Work Hardening of Ni3Ge S5.25
N.A. Koneva, Yu.V. Solov'eva, V.A. Starenchenko, and E.V. Kozlov

Crystal Structure, Phase Stability and Plastic Deformation Behavior of Ti-Rich Ni3(Ti,Nb) Single Crystals With Various Long-Period Ordered Structures S5.26
Koji Hagihara, Tetsunori Tanaka, Takayoshi Nakano, and Yukichi Umakoshi

Effect of Fe Alloying on the Vacancy Formation in Ni3Al S5.27
E. Partyka, R. Kozubski, W. Sprengel, and H.-E. Schaefer

Ab Initio Calculation of Point Defect Energies and Atom Migration Profiles in Varying Surroundings in L12-Ordered Intermetallic Compounds S5.28
Doris Vogtenhuber, Jana Houserova, Walter Wolf, Raimund Podloucky, Wolfgang Pfeiler, and Wolfgang Püschl

Experimental Investigation and Thermodynamic Modeling of Phase Equilibria in the Hf-Ti-Si System S5.30
Y. Yang, B.P. Bewlay, M.R. Jackson, and Y.A. Chang

Effect of Microstructure and Zr Addition on the Crystallographic Orientation Relationships Among Phases related to the Eutectoid Decomposition of Nb3Si in Near Eutectic Nb-Si Alloy S5.31
Seiji Miura, Kenji Ohkubo, and Tetsuo Mohri

High Temperature Oxidation Behavior of Al Added Mo/Mo5SiB2 In Situ Composites S5.34
Akira Yamauchi, Kyousuke Yoshimi, and Shuji Hanada

Nucleation of (Mo) Precipitates on Dislocations During Annealing of a Mo-Rich Mo5SiB2 Phase S5.35
Nobuaki Sekido, Ridwan Sakidja, and John H. Perepezko

Phase Equilibria and Lattice Parameters of Fe2Nb Laves Phase in Fe-Ni-Nb Ternary System at Elevated Temperatures S5.37
Masao Takeyama, Nobuyuki Gomi, Sumio Morita, and Takashi Matsuo

Sputtered Coatings Based on the Al2Au Phase S5.38
Christian Mitterer, Helmut Lenhart, Paul H. Mayrhofer, and Martin Kathrein

Compressive Creep Behavior in Coarse Grained Polycrystals of Ti3Al and Its Dependence on Binary Alloy Compositions S5.40
Tohru Takahashi, Yuki Sakaino, and Shunzi Song

Ribbon Award Winner
Micro Fracture Toughness Testing of TiAl Based Alloys With a Fully Lamellar Structure S5.44
K. Takashima, T.P. Halford, D. Rudinal, Y. Higo, and M. Takeyama

High-Temperature Environmental Embrittlement of Thermomechanically Processed TiAl-Based Intermetallic Alloys With Various Kinds of Microstructures S5.45
T. Takasugi, Y. Hotta, S. Shibuya , Y. Kaneno, H. Inoue, and T. Tetsui

Abnormal Deformation Behavior in Polysynthetically-Twinned TiAl Crystals With A and N Orientations - An AFM Study S5.46
Yali Chen and David P. Pope

Experimental Studies and Thermodynamic Simulation of Phase Transformations in ?-TiAl Based Alloys S5.47
Harald F. Chladil, Helmut Clemens, Harald Leitner, Arno Bartels, Rainer Gerling, Wilfried T. Marketz, and Ernst Kozeschnik

Massive Transformation in High Niobium Containing TiAl-Alloys S5.48
A. Bartels, S. Bystrzanowski, H. Chladil, H. Leitner, H. Clemens, R. Gerling, and F.-P. Schimansky

The Creep Behaviors of Two Fine-Grained XD TiAl Alloys Produced by Similar Heat Treatments S5.50
Hanliang Zhu, Dongyi Seo, Kouichi Maruyama, and Peter Au

Phase Transformation in Orthorhombic Ti2AlNb Alloys Under Severe Deformation S5.51
B.A. Greenberg, N.V. Kazantseva, and V.P. Pilugin

Mechanical Behavior of a Pt-Cr Jewelry Alloy Hardened by Nano-Sized Ordered Particles S5.52
Kamili M. Jackson, Miyelani P. Nzula, Silethelwe Nxumalo, and Candace I. Lang

Ribbon Award Winner
Solidification Processing and Fracture Behavior of RuAl-Based Alloys S6.2
Todd Reynolds and David Johnson

Trophy Award Winner
Formation and Morphology of Kurnakov Type D022 Compound in Disordered fcc gamma-(Ni, Fe) Matrix Alloys S6.3
Akane Suzuki and Masao Takeyama

Rationalization of the Plastic Flow Behavior of Polysynthetically-Twinned (PST) TiAl Crystals Based on Slip Mode Observation Using AFM and Schmid's Law S6.5
Yali Chen and David P. Pope

The Correlation of Slip Between Adjacent Lamellae in TiAl S6.6
G. Molénat, A. Couret, M. Sundararaman, J.B. Singh, G. Saada, and P. Veyssière

A Study of the Deformation Behavior of Lamellar gamma-TiAl by Numeric Modeling S6.7
T. Schaden, F.D. Fischer, H. Clemens, F. Appel, and A. Bartels

Effect of B Addition on Thermal Stability of Lamellar Structure in Ti-47Al-2Cr-2Nb Alloys S6.8
Y. Yamamoto , N.D. Evans, P.J. Maziasz, and C.T. Liu

Fatigue Testing of Microsized Samples of gamma-TiAl Based Material S6.9
Timothy P. Halford, Kazuki Takashima, and Yakichi Higo

Texture Development During Hot Extrusion of a Gamma Titanium Aluminide Alloy S6.10
M. Oehring, F. Appel, H.-G. Brokmeier, and U. Lorenz

On the Effects of Interstitial Elements on Microstructure and Properties of Ternary and Quaternary TiAl Based Alloys S6.11
Jean-Pierre Chevalier, Mélanie Lamirand, and Jean-Louis Bonnentien

An Electron Microscope Study of Mechanical Twinning in a Precipitation-Hardened TiAl Alloy S7.1
Fritz Appel

TEM Characterization of Fatigue Tested Lamellar Ti-44Al-8Nb-1B S7.2
H. Jiang, D. Hu, and I.P. Jones

Impact Properties of Hot-Worked Gamma Alloys With BCC ß-Ti Phase S7.3
Kentaro Shindo, Toshimitsu Tetsui, Toshiro Kobayashi, Shigeki Morita, Satoru Kobayashi, and Masao Takeyama

Ribbon Award Winner
Effects of Long-Period Superstructures on Plastic Properties in Al-Rich TiAl Single Crystals S7.4
Takayoshi Nakano, Koutaro Hayashi, Yukichi Umakoshi, Yu-Lung Chiu, and Patrick Veyssière

TEM Analysis of Long-Period Superstructures in TiAl Single Crystal With Composition Gradient S7.5
S. Hata, K. Shiraishi, N. Kuwano, M. Itakura, Y. Tomokiyo, T. Nakano, and Y. Umakoshi

Influence of Micro-Alloying on Oxidation Behavior of TiAl S7.7
Michiko Yoshihara and Shigeji Taniguchi

Creep of TiAl Alloys at 750°C Under Moderate Stress S7.8
Alain Couret and Joel Malaplate

Microstructure-Property Relationships of Two Ti2AlNb-Based Intermetallic Alloys: Ti-15Al-33Nb(at.%) and Ti-21Al-29Nb(at.%) S7.9
Christopher J. Cowen, Dingqiang Li, and Carl J. Boehlert

Increase in gamma/alpha 2 Lamellar Boundary Density and Its Effect on Creep Resistance of TiAl Alloy S7.10
Kouichi Maruyama, Jun Matsuda, and Hanliang Zhu

Effect of Long-Term Aging and Creep Exposure on the Microstructure of TiAl-Based Alloy for Industrial Applications S7.11
Juraj Lapin, Mohamed Nazmy, and Marc Staubli

Creep Behavior and Microstructural Stability of Ti-46Al-9Nb With Different Microstructures S7.12
S. Bystrzanowski, A. Bartels, H. Clemens, R. Gerling, F.-P. Schimansky, and G. Dehm

Internal Friction of a High-Nb Gamma-TiAl-Based Alloy With Different Microstructures S7.13
M. Weller, H. Clemens, G. Dehm, G. Haneczok, S. Bystrzanowski, A. Bartels, R. Gerling, and E. Arzt



 

 

 








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