brazing and soldering · 2013. 3. 13. · soldering, brazing and diffusion...
TRANSCRIPT
Brazing and Soldering
Proceedings of the
5th International Brazing and Soldering Conference
April 22-25, 2012
Red Rock Casino Resort SpaLas Vegas, Nevada, USA
Edited by
Robin GourleyChuck Walker
Sponsored by
The MaterialsInformation Society
www.asminternational.org www.aws.org
Published byASM International
Materials Park, Ohio 44073-0002
Contents
Soldering Joining Methods
Effect of Isothermal Aging on Sn-Ag-Cu Solder Joints on
Electroless Ni-P/Au Plating by Laser Reflow Soldering 1
H. Nishikawa, T. Takemoto, and N. Iwata, Osaka University, Ibaraki, Osaka, Japan
Accelerated Aging of Sn-Pb and Pb-Free Solder Joints on
Hybrid Microcircuit Assemblies 5
P. Vianco1, A. Kilgo1, B. Wroblewski1, G. Zender1, and E. Guerrero2
(1) Sandia National Laboratories, Albuquerque, NM, USA
(2) Honeywell, Federal Manufacturing and Technologies, Kansas City, MO, USA
Joining at Low Temperatures with Organic Silver Complexes 17
A. Oestreicher, T. Rohrich, and M. Lerch, Berlin Institute of Technology, Germany
Active Solder Joining Electrical Buss on Photovoltaic Cells 21
R. Smith1, J. Conroy1, C. Darvell2, P. Singh2, K. Jen2, and S. Santhanam2
(1) S-Bond Technologies, Lansdale, PA, USA
(2) Villanova University, Villanova, PA, USA
Solder Powders Manufacture Process by the Wire Explosion Method 27
S. Kim, andS.H. Kim
Research Institute of Industrial Science and Technology, Pohang City, South Korea
NanoBond® Assembly— A Rapid, Room Temperature
Soldering Process 32
J. Matteau, Indium Corporation of America, Utica, NY, USA
Aerospace, Automotive & Structural
Aerospace Aluminum Brazing and Compliance 38
J. Grann and C. Moller, Ipsen Incorporated, Cherry Valley, IL, USA
Transient Liquid Phase Bonding of Single CrystalNi3AI-based Intermetallic Alloy 44
0. Ojo, A. Ghoneim, and J. Hunedy, University of Manitoba, Winnipeg, Canada
Advanced Additive Manufacturing — Braze Applications 48
B. Frazier1, and R. Thompson2(1) AIMMRO Cincinnati, OH, USA
(2) Thomtek Greenville, SC, USA
Braze Materials for Brazing Seal Honeycomb —
Trends, Challenges and a Market Outlook 51
D. Sporer, and D. Fortuna, Sulzer Metco, Switzerland and USA
V
Wear Property of Tetrahedral Amorphous Carbon Thick Film with
Dispersed Nano-Diamond on Quenched 440C Stainless Steel 59
T. Yamazaki, K. Fujioka, H. Tsuda, T. Ikeshoji, and A. Suzumura,
Tokyo Institute of Technology, Tokyo, Japan
Increasing of Thermal Stability of Solar Absorbers
Soldered by Low Temperature Solders 63
/. Pashkov, A. Pashkov, O. Kustova, and D. Zorin, PBSU, Moscow, Russia
Ceramic and Glass Joining
A Study on the Distribution of Ni and Ti during the Brazing of Sapphire with
Inconel 600 by Using Cu/Ni Porous Composite 67
T. Zaharinie1, F. Yusof, M. Hamdi1, and T. Ariga2(1) University of Malaya, Kuala Lumpur(2) Tokai University, Japan
Active-Brazing Explosively-Bonded Niobium-Copper to Alumina Ceramic 71
C. Walker, G. Bishop, R. Stokes and D. De SmetSandia National Laboratories, Albuquerque, NM, USA
Brazing of Ceramics with Aluminum Based Filler Metals in Air 75K. Bobzin, N. Bagcivan, N. KoppRWTH Aachen University, Aachen, Germany
Developing of Bi-Sn Eutectic Alloy with In
Additions for Glass Sealing 79
H. Adanir, Marmara University, Istanbul, Turkey
Development of an Au-Pd-Co-Ni-V Brazing Alloy for
Joining Si3N4toSi3N4 84H. Xiong, B. Chen, W. Mao
Beijing Institute ofAeronautical Materials, China
Effect of Porous Interlayer in the Brazing of Sapphire to Inconel 625 89F. Yusof, T Zahari1, M. Jamaludin1, M. Shukor1, and T. Ariga2(1) University of Malaya, Kuala Lumpur, Malaysia(2) Tokai University, Kanagawa, Japan
valuation of Au-Based Active Brazing Filler Metals to Joint Alumina 937. Oyama and E. VanegasWesgo Metals-Morgan Technical Ceramics, Hayward, CA, USA
Induction Brazing of Alumina and Zirconia with Various Metals 101B. Wielage, I. Hoyer, and S. HausnerInstitute of Materials Science and Engineering, TU Chemnitz, Germany
vi
Joining of Si02f/Si02 Composite to Metals Using AgCuTi
Brazing Filler, the Joint Strengths and Microstructures 109
C. Bo, X. Hua-Ping, M. Wei, C. Yao-Yong, Beijing Institute of Aeronautical Materials, China
Large Area Active Brazing of Multi-tile Ceramic-Metal Structures 114
K. Doherty, US Army Research Laboratory, RDRL-WMM-F, APG, MD, USA
Reaction Brazing of C/SiC Composites to Nb with
Equiatomic Ti-Ni Composite Foils 119
Y. Liu12, J. Feng1, L Zhang1, X. Dong, and L. Zhang
(1) Harbin Institute of Technology, Heilongjiang, PR China
(2) Zhejiang Seleno Science and Technology Co., Zhejiang, PR China
Joint Reliability
Failure Assessment of Stainless Steel and Titanium Brazed Joints 125
Y. Flom, NASA Goddard Space Flight Center
Evaluation of Brazed Joints Using Failure Assessment Diagram 129
V. Flom, NASA Goddard Space Flight Center
Defect Assessment of Brazed Steel Components 133
C. Leinenbach1, M. Koster1, A. Lis1, and H.J. Schindler2
(1) Empa - Swiss Federal Laboratories for Materials Science and Technology, Switzerland
(2) Mat-Tec AG, Switzerland
Corrosion and High Temperature Oxidation Behavior of
316L Stainless Steel Joined with Cu-Ag Based Braze Alloys 139
M. Hurley1, K. Knori1, B. Jaques1, D. Butt1, H. Elsentriecy2, and M. Shoeib2
(1) Boise State University, Boise, ID, USA
(2) CMRDI, Helewan, Egypt
Recent Tin Whisker Research at Sandia 144
D. Susan, P. Vianco, W. Yelton, and J. Michael
Sandia National Laboratories, Albuquerque, NM, USA
Optimized Brazing Gap Width for Cemented
Carbide Tipped Saw Blades 149
D. Schnee1, C. Zenk1, M. Magin2, S. Rassbach2, T. Hafner3, and U. Meyer3(1) Umicore AG & Co. KG, Hanau, Germany(2) CERATIZITLuxembourg S.A.R.L., Luxembourg(3) AKE Knebel Gmbh & Co. KG, Balingen, Germany
A Novel Technique for the Determination of Long-termFatigue Behavior of Brazed Joints 156
W. Tillmann, L. Wojarski, M. Manka, F. Walther, K. Pantke, and B. PenningTU Dortmund University, Dortmund, Germany
vii
Materials & Process Design
Deposition and Utilization of Nano-Multilayered Brazing Filler
Systems Designed for Melting Point Depression 162J. Janczak-Rusch1, G. Pigozzi1, B. Lehmert1, M. Parlinska1, V. Bissig1, W. Tillmann2,L. Wojarski2, and F. Hoffmann2
(1) Empa, Swiss Federal Laboratories for Materials Science and Technology, Switzerland
(2) Institute of Materials Engineering TU Dortmund, Germany
Erosion Control of Stainless Steel Brazing Alloys 169O. Mars, M. Stroiczek, and U. Persson, Hoganas AB, Sweden
Homogeneous and Heterogeneous Mo-Ni
Fillers Doped with NanoparticlesW. Liui, D. Busbahen, Y. L/3, and D. Sekulici,
(1) University of Kentucky, Lexington, KY, USA
(2) Semicon Associates, Lexington, KY, USA
(3) Nanchang University, Nanchang, PR China
174
Influence of Substrate Material Properties and
Process Control in Reactive Joining 179T. Rohrich, A. Oestreicher, N. Milahin, S. Burghardt, R. Riesner, C. Seiffert and V. Shankar
Joining and Coating Technology, Technische Universitat Berlin, Berlin, Germany
Controlled Atmosphere Brazing of MicroChannel Heat
Exchangers for Mini-Cooling Systems 183H. Zhao, S. Elbel, and P. HrnjakCreative Thermal Solutions, Inc., Urbana, IL, USA
Lead Free Solders
A Composite Solder Alloy Preform for High TemperaturePb-free Soldering Applications 188
W. Liu, P. Bachorik and N. Lee, Indium Corporation of America, Clinton, NY, USA
Au-Ge Based Alloys for Novel High-T Lead Free SolderMaterials — Fundamentals and Applications 196
C. Leinenbach1, S. Jin1, J. Wang1, H.R. Elsener1, F. Valenza2, D. Giuranno2, R. Novakovic2, S.Delsante3, G. Borzone3, A. Watson4, and A. Scott4(1) Empa-Materials Science and Technology, Switzerland(2) National Research Council — Institute for Energetics and Iterphases, Genova, Italy(3) University of Genova, Italy(4) University of Leeds, UK
Dissolution of Stainless Steel in Molten Sn-BiSolder on Shear Flow 202
T Yamazaki, M. Nishiyama, T. Ikeshoji, and A. Suzumura
Tokyo Institute of Technology, Tokyo, Japan
viii
Interfacial Reaction of SnAgCu-xNi CompositeSolders on Cu and Ni Substrate 207
P. Liu, X. Gu, X. Liu, X. Jin, Y. Zhang, and Z. LongZhejiang Metallurgical Research Institute, Hangzhou, PR China
Interfacial Reactions between Lead Free Solder Alloys and Metallic Substrates —
Thermodynamics and Kinetics 213
F. Hodaj, Grenoble Institute of Technology, Domaine Universitaire, France
Morphologies and Grain Orientations of Cu-Sn Intermetallic Compounds in
Sn3.0Ag0.5Cu/Cu Solder Joints 217
Y. Tian, W. Liu, C. Hang, X. Wang, R. Liu, C. WangHarbin Institute of Technology, Harbin, China
Nanoindentation for Measuring Mechanical Properties of
Lanthanum-Doped Tin-Silver-Copper Lead-Free Solders 221
M. Sadiq123, M. Cherkaoui123, and J. Lecomte4
(1) Georgia Institute of Technology, Atlanta, GA, USA
(2) University of Paul Verlaine, Metz, France
(3) UMI, Georgia Tech Lorraine, Metz, France
(4) ENSAM-Arts Et Metiers Paris Tech, Metz, France
The Effect of Cu Content on Performance of
SnAgCuBiNi /Cu Soldering 228
S. Fenglian, L. Yang, W. Yang, and Z. PengfeiSchool of Materials Sci. and Eng., Harbin Uni. of Sci. and Tech., Harbin, China
The Microstructure and Mechanical Properties of
Sn-58Bi Eutectic Alloy Wires 233
L. Zheng-Yi, G. Xiao-Long, L. Ping, J. Xia, Z. Yu
Zhejiang Metallurgical Research Institute Co., Ltd, Hangzhou, PR China
Furnace & Vacuum Brazing
Brazing of Ferritic Stainless Steel and Microstructure at the
Brazed Joint 236
Y. Miyazawa1, K. Saito1, T. Fukikoshi1, T. Ariga1, T. Takizawa2
(1) Tokai University, Kanagawa-Ken, Japan
(2) Global Technology Division, Calsonic Kansei, Saitama-Ken, Japan
Change in Phase Morphology and Composition during the Spreading of Liquid
Alloy, which Is Actively Interacting with Base Metal Surface 240
/. Pashkov, and A. Pashkov, PBSU, Moscow, Russia
Vacuum Aluminum Brazing —What Matters Most 244
C. Moller and J. Grann, Ipsen Incorporated, Cherry Valley, IL, USA
ix
Brazing of Steel Non-tube Heat-exchangers with "Malachite" BrazingPaste in Continuous Furnace 252
/. Pashkov1, A. Pashkov1, A. Stratonovich1, and T. Bazlova2
(1) PBSU, Moscow, Russia
(2) MISIS University, Moscow, Russia
Soldering, Brazing and Diffusion Bonding Technology of Advanced
Materials in HIT 256
P. He, T. Lin, H. Wei, Harbin Institute of Technology, Harbin, China
Joining of MoSi2to Itself Using Partial Transient LiquidPhase (PTLP) Method 259
H. Hatami, A. Kokabi, M. Sani, Sharif University of Technology, Tehran, Iran
Brazing of Tantalum and Tungsten Using Various Filler Foils 266
Y. Hiraoka1, and R. Shiue2
(1) Okayama University of Science, Okayama, Japan
(2) National Taiwan University, Taipei, Taiwan
Hump-Back Versus Straight Through Continuous
Furnaces—When and Why? 271
S. Feldbauer, Abbott Furnace Company, St, Marys, PA, USA
Correlations Between the Atmosphere Conditions on the Natural
Aluminum Oxide Layer and the Brazeability 275
J. Zahr1, E. Hofmann1, H.-J. Ullrich1, U. Fussel1, M. Turpe2, and S. Oswald3
(1) Technische Universitat Dresden, Germany(2) Behr Gmbh & Co. KG, Stuttgart, Germany(3) IFWDresden E.V., Germany
Vacuum Brazing of Precipitation Hardening Stainless Steel without
Losing Its Mechanical Properties 281
M. Govindaraju and K. Balasubramanian
Non Ferrous Materials Technology Development Centre, PO Kanchanbagh, Hyderabad, India
Brazing of High Performance, Passively Cooled, Heat Absorbing Mirrors for
Electron Cyclotron Heating Launchers 285S. Jurczynski1, R. Ellis1, J. Hosea1, H. Grunloh2, and J. Lohr2(1) Princeton Plasma Physics Laboratory, Princeton, NJ, USA
(2) General Atomics, San Diego, CA, USA
Brazing of C/C Composites and TC4 with inserting Cu/Mo Foils 291V. Qin, andZ. Yu, Shanghai University of Engineering Science, Shanghai, PR China
Vacuum Brazing and Diffusion Bonding of DD6 Single Crystal Alloy 296y. Zhou, W. Mao, H. Xiong, X. Wu, and X. Li
Beijing Institute of Aeronautical Materials, Beijing, China
X
Diffusion Brazing of Copper Beryllium UsingAg-26Cu-21Zn-19Cd as Interlayer 301
K. Esmati1, H. Omidvar1, J. Jelokhani1, M. Naderi1, and M. Boroumand2
(1) Amirkabir University of Technology (Tehran Polytechnic), Tehran, IRAN
(2) Shahid Bahonar University of Kerman, Kerman, IRAN
Test Methods, Modeling & Control
Effect of Interfacial Structures on Tensile Properties of Ferrite Stainless Steel
Joints Brazed Using Cu-Base Filler Metals 307
C. Kang1, H. Na\ and Y. Cho2
(1) Pusan National University, Busan, Korea
(2) Hyundai Heavy Industries CO., Ltd., Ulsan, Korea
Thermodynamic Calculations and Kinetic Simulations of
Soldering/Brazing Systems and Processes 315
P. Mason1, Q. Chen2, A. Engstrom2, P. Shi2, J. Bratberg2,A. Markstrom2, H. Liu3, and Z. Jin3
(1) Thermo-Calc Software Inc, Mcmurray, PA, USA
(2) Thermo-Calc Software AB, Norra Stationsgatan, Stockholm, Sweden
(3) Central-South University, Changsha, Hunan, China
A Compendium of Brazed Microstructures for Fission
Power Systems Applications 319
/. Locci1, and C. Bowman2
(1) University of Toledo at the NASA Glenn Research Center, Cleveland, OH, USA
(2) NASA Glenn Research Center, Cleveland, OH, USA
Influence of Dynamic Stresses and Operating Environment on the
Mechanical Properties of Copper- Based Braze Joints 327
K. Bobzin1, N. Bagcivan1, N. Kopp1, S.M. Puidokas1, W. Tillmann2,L. Wojarski2, C. Liu2, and M. Manka2
(1) Surface Engineering Institute, RWTH Aachen University, Aachen, Germany(2) Institute of Materials Engineering, TU Dortmund, Dortmund, Germany
Pull Testing of Ti to Ti Brazed Joint with Pure Gold as the Filler Metal 332
M. Siddiqui, W. Jones, and A. Karbasi
Florida International University, Miami FL, USA
Special/Advanced Brazing Processes
Aluminum Dendrites Reinforced Joint by Ultrasonic Soldering of 2024
Aluminum Alloy with Pure Sn 337
V. Li, J. Yan, and S. ChengState Key Laboratory of Advanced Welding Production Technology, Harbin, China
xi
Transition Metal Ion Bombardment as an Active HeatingSource for Vacuum Brazing 341
A. Shapiro1, G. Fischer2, and M. Markovich2(1) Titanium Brazing, Inc., Columbus, OH, USA
(2) Ion Vacuum Technologies Corp., Cleveland, OH, USA
Dynamic Fluoride Ion Cleaning as a Pre-Braze Process 345
R. Kornfeld, Hi-Tech Furnace Systems, Inc., Shelby Township, Ml, USA
Al Brazing under Severe Alterations of the Background Atmosphere —
A New Vs. Traditional Brazing Sheet 347
C-N. Yu\ W. Liu1, D.P. Sekulic1, and D. Hawksworth2
(1) University of Kentucky, Lexington, KY, USA
(2) Sapa Heat Transfer, Oakville, ON, Canada
Passive Flux — The Roll of Nano-Ceramic Technology to Enhance the
Flow and Bond Characteristics of Metals 355
O. Passe, Nventa Incorporated, Scottsdale, AZ, USA
Manufacturing Copper- Stainless Steel CompositeTube by Pressure Bonding 364
M. Govindaraju and K Balasubramanian
Non Ferrous Materials Technology Development Centre, PO Kanchanbagh, Hyderabad, India
Recent Development in Brazing Titanium and Titanium/Steel Joints
Using Filler Metal Deposited by PVD Technique 369A. Elrefaey, L Wojarski, and W. Tillmann
Dortmund University of Technology (TU Dortmund), Dortmund, Germany
Attached Effect of Porous Metal in a Brazed Joint 375T. Ariga1, Y. Miyazawa1, M. Hamdi2, M. Sekine3, and K. Kanda4,(1) Tokai University, Kanagawa, Japan(2) University of Malaya, Kuala Lumpur, Malaysia(3) Yamatake Corporation, Kanagawa, Japan(4) Kanto Yakin Kogyo, Kanagawa, Japan
Sensitization of Braze-Pressure Welding of Stainless Steel 379T. Ikeshoji1, M. Katori1, A. Suzumura1, T. Yamazaki1, and K. Kuroda2
(1) Tokyo Institute of Technology, Tokyo, Japan(2) JGC Corp., Yokohama, Japan
Press Fit/Pressure-Solder-Joint 385U. Fussel, K. Andrusch, M. Pejko, and V.D. NguyenTechnische Universitat Dresden, Dreseden, Germany
Ultrasound-Assisted Resistance Brazing of Magnesium and Aluminium
Alloys Using Melt-Spin Solder Foils 389T. Lampke, B. Wielage, I. Hoyer, S. Kummel, and M. PischtschanChemnitz University of Technology
xii
Filler Metal Properties
Chromium Containing Amorphous Brazing Foils and Their
Resistance to Automotive Exhaust Gas Condensate 394
T. Hartmann and D. Nuetzel
Vacuumschmelze, Gruener Weg, Hanau, Germany
Liquation of Brazing Filler Metals — Good or Bad? 402
D. Kay, Kay & Associates, Simsbury, CT, USA
Effect of Joint Clearance and Post-Braze Heat Treatment on the Microstructure of
Joints with BNi-4 Filler Metal and 4130 Steel 410
A. Etemadi, A. Kokabi, P. Behjati, H. Hosseini
Sharif University of Technology, Tehran, Iran
Flow and Microstructure of Co-Based Filler Metals on Stainless Steel and
Intermetallic Phases Mechanical Property Determination by Nanoindentation 414
J.C. Madeni, P. Campos-Bravo, S. Liu, and C. Packard
Colorado School of Mines, Golden, CO, USA
Mechanical Response of the TiAI/Steel Brazed Joint under Micro-Indentation and
Micro-Hardness Test 423
Y. Li1 W. Liu2, D. Sekulic2, P. He3, J. Feng3(1) Nanchang University, Nanchang, China
(2) University of Kentucky, Lexington, KY, USA
(3) Harbin Institute of Technology
New Aluminum-based Cold-Rolled and Composite Braze Foils for
Brazing Titanium Below 700°C 427
A. E. Shapiro1, and Y. Flom2
(1) Titanium Brazing, Inc., Columbus, OH, USA
(2) NASA Goddard Space Flight Center, Greenbelt, MD, USA
Reactive Air Brazing
Development of New Brazing Fillers and Process Variants for Reactive Air
Brazing (RAB) of Electrochemical Devices 433
K. Bobzin, N. Bagcivan, N. Kopp, and C. Weiler
RWTHAachen University, Aachen, Germany
Joining Oxygen Transport Membranes by Reactive Air Brazing 437
A.Kaletsch, J.Hummes, A.Bezold, E.M.Pfaff, and C.Broeckmann
RWTHAachen University, Aachen, Germany
Mechanical Behavior of Advanced Reactive Air Brazed Joints 444
C. Li, B. Kuhn, J. Brandenberg, T. Beck, and L. SingheiserInstitute for Energy and Climate Research, Microstructure and Properties of Materials, Germany
xiii
Mechanical Properties of Reactive Air Brazed Ceramic-Metal
Joints for SOFC 450
A. Poenicke1, J. Schilm1, M. Kusnezoff1, A. Michaelis1, and S. Arnold2,
(1) Fraunhofer Institute for Ceramic Technologies and Systems IKTS, Dresden, Germany(2) ZF Friedrichshafen AG, Schweinfurt, Germany
Phase Field Simulations of Microstructure Formation in an Ag-Cu-0Brazing Filler under Reactive Air Brazing Conditions 458
M. Apel, andB. Bottger, Access E. V., RWTH Aachen, Aachen, Germany
Composite Materials
Brazing of C/C Composites and Ni Base Alloys with Ag-Cu-Ti and
Fe-Based Braze Filler Alloys 465T. Ikeshoji, T. Amanuma, A. Suzumura, T. Yamazaki
Tokyo Institute of Technology, Tokyo, Japan
Brazing of W-20%Cu Composite Using Sandwich Filler Materialsof BAg-8 Sheets and Ti Foils 470
K. Nosaki1, T. Itohara1, Y. Hiraoka1, and H. Hanado2
(1) Okayama University of Science, Okayama, Japan(2) Kawaso Texcel Co. Ltd., Kure-City, Hiroshima, Japan
Wettability of a Cu-Nanoparticle-Reinforced Solder
Matrix Paste Composite 475
M. Chen1, H. Zhao2, W. Liu3, and D. Sekulic3
(1) Handong University, Jinan, China
(2) Creative Thermal Solutions, Inc., Urbana-Champagne, IL, USA
(3) University of Kentucky, Lexington, KY, USA
Light Metals
Investigation on Braze Joint Strength and Microstructure of
Ti-CP with Ag and Ti Base Filler Alloys 480
£ Ganjeh1, H. Khorsand1, H. Sarkhosh2, M. Ghaffari3, H. Sabet4, and E.H. Dehkord?
(1) K. N. Toosi University of Technology, Tehran, Iran
(2) Amirkabir University of Technology, Tehran, Iran
(3) Bilkent University, Bilkent, Ankara, Turkey(4) Islamic Azad University - Kara] Branch, Kara], Iran
(5) University of Applied and Scientific Shahr-E-Kord, Iran
Preferred Brazing and Soldering Conditions for Copper to
Aluminum Transition Joints 487C. Darling, and S. Marek, Lucas-Milhaupt Inc., Cudahy, Wl, USA
TLP Brazing of Aluminum to Steel Using Cu,Ni and Ti Interlayer 493
W. Tillmann, A. Elrefaey, and L. Wojarski, TU Dortmund University, Germany
xiv
Development and Production of Low-Melting Al-Base Solders for JoiningHigh-Strength Al Alloys 499
B. Wielage, I. Hoyer, and S. Weis
Chemnitz University of Technology, Chemnitz, Germany
Plenary 1 Speaker
Molten Metal Flow — In Search of Fundamental Properties 503
S. Liu and J.C. Madeni, Colorado School of Mines, Golden, CO, USA
Author Index 513
XV