Foreword ........................................................ v
Photograph of Participants ..................................... vi
Committees .................................................... vii
List of Sponsors ............................................. viii
List of Reviewers .............................................. ix
List of Participants ............................................ x
I. INVITED PAPERS
New Developments in Powder Technology
J.M. Torralba, E. Gordo, A. Jiménez-Morales,
E.M. Ruiz-Navas, M. Campos, M.E. Rabanaland D. Ruiz-Amador ... 1
30 Years of Modeling of Microstructure Evolution during
Casting Solidification
D.M. Stefanescu .............................................. 9
Volume-CAD: An Integrated Environment for Virtual
Manufacturing and Structural Analysis
K. Ohura, Z. Sun, A. Makinouchi and C. Teodosiu ............. 17
Influence of the Casting Process on the Properties of Al
Based Automotive Components
M. Rosso and M.A. Grande .................................... 25
Severe Plastic Deformation Technologies for Ultra Fine
Grained Alloys
T. Canta and D. Frunza ...................................... 33
A Vision of Wire Rod Rolling Technology for the Twenty First
Century
S.E. Lundberg ............................................... 39
II. Powder Metallurgy
A Re-Examination of the Toughness and Fatigue Performance of
PM Steels
J.R. Moon ................................................... 47
Development of Aluminium Alloys and Metal Matrix Composites
by Powder Metallurgy
E.M. Ruiz-Navas, M.L. Delgado and J.M. Torralba ............. 51
Compositional and Processing Determination over Cermets'
Properties Аl2О3-Ni with Metallic Admixtures
P. Cârlan, I. Chicinaş, C. Ducu and F. Stoica ............... 59
Mechanical Alloying of Fe30Cu70
C.V. Prica and G. Arghir .................................... 63
Some Aspects Regarding the Complex Alloying of the Ni3Al
Intermetallic Compound with Substitutional and Interstitial
Elements
M. Lucaci, R.L. Orban, D. Patroi, S. Hodorogea,
I. Bibicu and M. Lungu ...................................... 67
The Effect of Ferro-Molybdenum Addition on the Microstructure
and Mechanical Properties of Sintered Steel
R. Yilmaz, A. Gökçe and H. Kapdibaş ......................... 71
Mechanical and Technological Properties of Sintered Cu90Ni10
Compacts
L.A. Sorcoi ................................................. 75
Effect of Carbon Content and Post-Sintering Cooling Rate on
Mechanical Properties of Fe-Ni-Cu-Mo-C High Density Sintered
Steel
R. Ivănuş and L. Brânduşan .................................. 79
The Elaboration of Composite Materials from the Си-А12Оз
System Using CuO and Al2O3 Powders
D. Salomie, C. Pavel and R. Muresan ......................... 83
The Separation of Spherical Shape Powder Particles from the
Non-Spherical Ones
Z. Spârchez ................................................. 87
Devices for Dry Separation of the Spherical Particles from
those Having a Non Spherical Shape from a Metallic Powder
Z. Spârchez ................................................. 91
Fabrication of Metal Powders Having Spherical Shape
Particles (an Overview)
Z. Spârchez ................................................. 95
On Massive Powder Coating in Ball Milling
D.A. Pop and G. Arghir ...................................... 99
Some Considerations Concerning the Obtaining of Some Ag-SnO2
Sintered Electrical Contacts for Low Voltage Power
Engineering Switching Devices
M. Lungu, S. Gavriliu, D. Patroi and M. Lucaci ............. 103
Aspects Concerning Rheological Properties of the CIM's
Binder Systems
L. Matrici, Ş. Domşa and L. Brânduşan ...................... 107
Thermomechanical Processing of some Heavy Alloys from the
System W-Ni-Fe through Rotary Forging
R. Mureşan, C. Pavel and D. Salomie ........................ 111
The Study of Fatigue Behaviour at the Contact of some
Sintered Materials from Powder Based on Iron
L. Brânduşan and G. Arghir ................................. 115
Mathematical Model of the Sintering Process of Iron-Copper
Bearings
C. Teisanu, S. Gheorghe and I. Ciupitu ..................... 119
Effect of Small Iron, Chromium and Boron Additions as
Alloying Elements on Microstructure and Mechanical
Properties of Ni3Al
R.L. Orban and M. Lucaci ................................... 123
On the Mechanical and Physical Properties of Recycled
Polymer Matrix Composites Reinforced with Cooper Powder
V. Chifor, R.L. Orban and N. Jumate ........................ 127
On the Mechanical Properties of Cooper-Al2O3 Cermets of
a Low Reinforcing Level, Processed by Powder Metallurgy
L.N. Mitca and R.L. Orban .................................. 131
Increase of the Mechanical Properties of Low Alloyed Steels
through Complementary Alloying
C. Mátyás, Ş. Domşa and L. Brânduşan ....................... 135
The Influence of Feedstock's Composition on Rheological
Behaviour at Forming by Metallic Powder Injection
L. Brânduşan ............................................... 139
Effect of Processing Parameters, Particle Characteristics
and Metallic Coating on Properties of SiCp Copper Alloy
Matrix Composites
R. Ivănuş .................................................. 143
Characterization and Sinterability Study of P.M. High-Speed
Steel Obtained by Water Atomization
M. Covaciu, T. Canta and E. Gordo .......................... 147
III. Metal Forming
Researches on the Pressing and Foaming Conditions on the
Main Properties of Al Foams
T. Canta, D. Frunza and M. Covaciu ......................... 153
Microstructure Prediction in Aluminium Extrusion by Means
of FEM Simulation
L. Donati, L. Tomesani, L. Ceschini and I. Boromei ......... 157
Practical Aspects Regarding to Thixoforming Process
Applied to Aluminum Alloys
I.I. Zaharia and V. Geamăn ................................. 161
Strengthening Mechanisms of 1H18N9T Austenitic Steel
Buildups Created with Cold Forming Processes
W. Presz and M. Kaczorowski ................................ 165
CAD Model Generation Using 3D Scanning
K. Khalili, S.Y. Ahmadi-Brooghani and
M. Rakhshkhorshid .......................................... 169
Modeling of Geometry Design in Wire Drawing Using
Cassette Roller Die
L. Nistor and M. Tintelecan ................................ 173
Experimental Study Regarding Compressing Process with
Assisted Friction Force
M. Sas-Boca ................................................ 177
Simulation of "Yalle Body" Profile Extrusion
N. Ghiban .................................................. 181
The Mathematical Model of Abrasive Waterjet Milling
Process
C. Ciupan, A. Pop and L. Morar ............................. 187
The Experimental Investigation of the Effects of
Different Chip Breaker Forms on the Cutting Forces
H. ürbüz, A. Kurt, I. Korkut and U. Şeker ................. 191
IV. Heat Treatments and Surface Engineering
Contributions to Processing of Self-Lubricated,
Nanocomposite Wear Resistant Coatings by Reactive UM
Magnetron Co-Sputtering
G. Strnad, D. Biro and I. Vida-Simiti ...................... 197
Studies Concerning the Hardening Capacity of Aluminium
Alloys through Heat Treatment in Electromagnetic Field
M. Stoicănescu, I. Giacomelli and M.S. Pantelimon .......... 201
Researches on Normalizing Heat Treatment Applied to SAW
Joints with TWIN-ARC
I. Mitelea, G. Gavanescu and B. Radu ....................... 205
Investigation of Acicular Ferrite Structure and
Properties of C-Mn-Al-Ti-N Steels
O. Uzlov, A. Malchere, V. Bolshakov and C. Esnouf .......... 209
Tubular Composite Material for Hardfacing Layers with
Protection Appliance against Abrasive Wears
P. Motoiu, G. Popescu, H. Binchiciu, D. Dumitrescu,
S. Ivanescu, C. Fratila and F. Stoiciu ..................... 213
Factors that Influence the Adherence of Biovitroceramic
Coatings on Titanium
M. Britchi, M. Olteanu and N. Ene .......................... 217
Structural Morphology Transformations by Vacuum Oven
Brazed Joints with Amorphous Alloys
C. Codrean, I. Mitelea and V.A. Serban ..................... 221
Local Thermomechanical Treatment Regime for Friction
Welded Joints from Dissimilar Nitrided-QT Steels
I. Mitelea, A. Mosila and B. Radu .......................... 225
Finite Element Analysis of Thermal Stresses in
Circumferential Cast Clasps of Removable Partial Dentures
L. Sandu, N. Faur, C. Borţun and S. Porojan ................ 229
Corrosion Inhibition of Zinc in KOH Solutions
A. Prună, V. Brânzoi and F. Brânzoi ........................ 233
Study of the Hydride Morphology in the CANDU Reactor
Pressure Tube Modified by Heat Treatment
L. Velciu, T. Meleg and M. Mihalache ....................... 237
Researches Regarding the Structural and Mechanical
Characteristics of the C-Mn Steel within the Specific
Thermal Circuits
D.R. Pascu, A. Bobic, G. Băltean and H. Mateiu ............. 241
Protective Alumina Coatings by Low Temperature
Metalorganic Chemical Vapour Deposition
M.M. Şovar, D. Samélor, A. Gleizes, P. Alphonse,
S. Perisanu and C. Vahlas .................................. 245
Hydrides Effect on the SCC Initiation on Zircaloy-4
Claddings
A. Dinu, M. Radulescu, D. Ionescu and S. Florea ............ 249
XRD Investigation of Impact Pattern on Ball Bearing Steel
Samples
G. Andrei, C. Gheorghies, L. Andrei and I. Birsan .......... 253
Mechanical and Corrosion Behaviour of Some Devices for
Ostheosinthesis
B. Ghiban .................................................. 257
Silicon Influence on Corrosion Properties of Austenitic
Stainless Steels
B. Ghiban................................................... 261
Structure of Composite Layers Reinforced with SiC
Particles Obtained by Electrochemical Deposition
I. Vida-Simiti, N. Jumate, M. Guzun, V. Ajder and
J. Bobanova ................................................ 265
Influence of Ion Nitriding Process Parameters on the
Microstructure, Hardness and Thermal Shock Behaviour
of X3CrNiMol7-13-3 Stainless Steel
V. Rus, G. Negrea, G. Arghir and N. Jumate ................. 269
NiAl Oxidation and Corrosion Resistant Coatings Obtained
by Thermal Spraying
R.L. Orban, M. Lucaci, M. Rosso and M.A. Grande ............ 273
V. Metal Casting and Metal Welding
The Influence of the Metal Head on the HTC Evolution in
the Sand Casting of A 357
A. Meneghini and L. Tomesani ............................... 279
Obtaining of Ni Base Intermetallic Alloys by
Solidification Control
M. Lucaci, R.L. Orban, M. Lazarescu, S. Gavriliu,
M. Lungu and D. Patroi ..................................... 283
Inoculating Influence of Re-Carburizers in Grey Cast
Iron
I. Riposan, M. Chisamera, S. Stan and P. Toboc ............. 287
Influence of Magnesium on Structure and Properties of
Al-Si Alloy
M.M. Haque and A.A. Khan ................................... 291
New Quaternary Type of AI-Sr-Ti-B Master Alloy for Grain
Refining and Modifying of Al-Si
P. Moldovan, G. Popescu, C.A. Popescu, I. Apostolescu
and A. Buzaianu ............................................ 295
Studies Regarding the Hardness and Microhardness of Al-Si
Alloys Solidified in Ultrasound Field
D. Porcar, Ş. Domşa, N. Jumate and I. Porcar ............... 299
High Potency Late Inoculation of Grey Cast Iron
M. Chisamera, I. Riposan, S. Stan, C.B. Albu,
C. Brezeanu and R. Naro .................................... 303
Undesirable Graphite Morphologies Incidence in
Inoculated Grey Irons
S. Stan, I. Riposan, M. Chisamera and M. Barstow ........... 307
Synthesis of Silver Free Eutectic Alloys for Be and
Cu99.32Cr0.6Zr0.08 Brazing
T. Petrişor, B.V. Neamţu, A. Rufoloni, M.C. Rauca and
L. Brânduşan ............................................... 311
Investigation of Weldability of P/M Bronze Materials by
Tig Welding Technique
A. Kurt and H. Ates ........................................ 315
Tensile Properties of Martensitic Stainless Steel
Weldments
R. Yilmaz and A. Türkyilmazoglu ............................ 319
VI. Quality and Environmental Aspects in Materials
Processing
Titanium Dioxide Thin Film for Photodegradation of
Methyl Orange
L. Andronic and A. Duta .................................... 325
Research Concerning the Obtaining From Industrial Wastes
of a Cover Powder Used in Steel Continuous Casting
E. Ardelean, T. Hepuţ and M. Ardelean ...................... 329
Products of Ethylene-Propylene Terpolymer Rubber (EPDM)
Obtained by an Environmentally Friendly Process
M.D. Zuga, L. Miu, M. Crudu, V. Bratulescu, H. Iovu
and E. Manaila ............................................. 333
Numerical Simulation of the Flame Stabilization inside
an Aeroderivative Combustor to be Operated with Waste
Bio-Gas
T. Prisecaru, D.C. Dinescu, L. Mihaescu, M. Prisecaru,
G. Darie and H. Necula ..................................... 337
Recovery of Copper Powder from Polluting Industrial
Waste through Lively Bioleaching
R. Ivănuş .................................................. 341
Author Index .................................................. 345
|
