PROCEEDINGS 2-2011

COVER

TITUL

 

CORROSION OF CR-MN-NI HEAT-RESISTANT STEEL UNDER THERMOCYCLIC AND MECHANICAL IMPACT IN FURNACE MEDIA
Stavrev D., Ts. Dikova ... 5

SCIENTIFIC EVALUATION OF CUTTING-OFF PROCESS IN BANDSAWING
Sarwar M., J. Haider, M. Persson ... 9

PHASE TRANSFORMATIONS IN CREEP STRENGTH ENHANCED FERRITIC STEEL WELDS
Alexandrov B., L. Wang, J. Siefert, J. Tatman, J. Lippold ... 13

A NEW CONSTRUCTIVE SOLUTION OF A COVER ROLLS OF RIBBON CONVEYOR
Geramitchioski T., Lj. Trajcevski, V. Mitrevski, I. Vilos ... 17

DETECTION THE CONDITION OF A FAN TRANSMISSION IN METAL SMELTER FENI KAVADARCI USING VIBRATION SIGNATURE
Geramitchioski T., Lj. Trajcevski, V. Mitrevski, I. Vilos ... 22

OPTIMIZATION DIMENSIONAL-STRENGTHAL PARAMETERS OF SPATIAL CHAIN DRIVE FOR NOT PARALLEL SHAFTS
Pilipenko O. ... 27

MATHEMATICAL MODEL OF FRONTAL VARIATOR DRIVE WORK
Zhunisbekov P., A. Aulanbergenov, M. Undirbaev,
T. Mendebaev ... 30

EFFECT OF CONTINUOUS OPERATION ON WEAR CHARACTERISTICS OF SOME COMPONENTS OF A DIESEL ENGINE RUN BY ALTERNATIVE FUELS
Bose P., B. Sarkar, S. Paul ... 32

MODULAR CONCEPTION FOR HIGH SPEED CUTTING MACHINES USING LASER, PLASMA OR WATER JET TECHNOLOGIES
Todorov G., Tzv. Ivanov, K. Kamberov, B. Romanov ... 37

DESIGN AND VIRTUAL PROTOTYPING OF A FORKLIFT TRANSMISSION MODULE
Todorov G., Tzv. Ivanov, K. Kamberov, Sv. Stoev ... 42

NEW CLASS OF HOT-WORK TOOL STEELS WITH REGULATED AUSTENITIC TRANSFORMATION DURING EXPLOITATION (RATE STEELS)
Krugljakow A., A. Ozerski .. 46

DEVELOPMENT OF FILLER MATERIAL FOR DEPOSITION OF WEAR-RESISTANT COMPOSITE COATINGS
Chernyshova T., G. Chernyshov ... 50

COMPARISON OF TECHNIQUES FOR DAMAGE IDENTIFICATION BASED ON INFLUENCE LINE APPROACH
Grandić Š., D. Grandić, A. Bjelanović ... 53

PROTECTIVE AND STRUCTURAL CHARACTERIZATION OF CONVERSION LAYERS OBTAINED FROM ENVIRONMENTALLY FRIENDLY SOLUTIONS ON ZN AND ZN-BASED ALLOYS
Boshkov N., N. Tsvetkova, M. Peshova, L. Lutov, S. Vitkova, G. Raichevski ... 58

ELECTROCHEMICAL OBTAINING OF COMPOSITE NICKEL LAYERS WITH INCORPORATED MULTI-WALL CARBON NANOTUBES
Boshkov N., N. Tsvetkova, M. Peshova, V. Bachvarov, L. Lutov, S. Vitkova ... 62

FORMATION OF CERIUM-CONTAINING CONVERSION COATINGS ON ALUMINIUM AND ITS ALLOYS AS ALTERNATIVE TO CHROMATE (Cr6+) CONVERSION COATINGS
Stoyanova E., R. Andreeva, D. Guergova, D. Stoychev ... 66

INFLUENCE OF THE CONDITIONS FOR DEPOSITION ON MECHANICAL PROPERTIES OF CHEMICALLY DEPOSITED THIN COBALT LAYERS
Cherneva S., M. Stoycheva, R. Iankov, D. Stoychev ... 69

INDENTATION MEASUREMENTS AS AN ADEQUATE TOOL FOR MECHANICAL AND STRUCTURAL INVESTIGATION OF NANOCOMPOSITES
Zamfirova G., V. Gaydarov ... 73

STRESS INDUCED METALLIZATION OF SINGLE-WALLED CARBON NANOTUBES IN A NANOTUBE/GLASS COMPOSITE: RELATED CONDUCTION MECHANISM
Balaji S., D. Misra, R. Debnath ... 77

ELECTROLESS DEPOSITION OF COBALT MATRIX FOR CO-DEPOSITION OF HIGH-HARD NANO- AND MICROPARTICLES
Stoychev D., N. Koteva, M. Stoycheva, E. Velkova,
D. Dobrev ... 81

PREPARATION AND MICROSTRUCTURE, ELASTICITY AND HARDNESS INVESTIGATION OF AL-ALLOY/NANODIAMOND COMPOSITE
Prokhorov V., V. Kulibaba, A. Korobov, S. Stavrev, S. Kolev ... 86

PROCESSING, CHARACTERIZATION OF CARBON NANOTUBE-REINFORCED MULTISCALE COMPOSITE
Vaganov V., V. Orlov ... 89

INFLUENCE OF THE PLACEMENT OF A PREVIOUSLY DERIVED ELLIPSE SHAPED APERTURE IN THE STARTING MATERIAL ON THE PROCESSING WITH DRAWING OF THE COLD ROLLED SHEET STEELS
Cvetkov S., S. Simeonov, S. Dimitrov ... 91

PRODUCTION SYSTEM ANALYSIS IN THE CONDITION OF FLEXIBLE ASSEMBLY CELL
Kusá M., F. Pecháček, K. Velíšek ... 94

APPLICATION OF MULTILEVEL MORPHOLOGICAL ANALYSIS TO THE SYNTHESIS OF MECHANISMS OF FEEDING AND CLAMPING IN BAR MACHINES
Kuznecov Yu., P. Nedelcheva, J. Hamuyela ... 97

EXPERIMENTAL INVESTIGATION OF LIFTING MECHANISM OF ROPE HOIST MTM 626 DYNAMIC AT NOMINAL LOAD
Mitev N. ... 102

EXPERIMENTAL INVESTIGATION OF TRAVEL MECHANISM OF ROPE HOIST MTM 626 DYNAMIC AT NOMINAL LOAD
Mitev N. ... 106

THE RMS AFFINITIES AND CONSTRUCTIVE TRANSFORMATIONS OF MECHATRONIC MANUFACTURING SYSTEMS WITH APPLICATION OF AUTOMATICALLY INTERCHANGEABLE MODULAR UNITS
Tsaryev A., I. Samartsev ... 110

ANALYSIS OF KINEMATIC MODEL OF NEW SCHEME FOR FINAL BALL BURNISHING OF CYLINDER SURFACES
Mechkarova T., A. Stoyanova ... 114

DETERMINATION OF THE LIFETIME OF ENGINEERING PRODUCTS BASED ON INNOVATIVE OBSOLESCENCE
Demirova S. ... 118

GEARS WEIGHT EQUATIONS - GEAR CHAIN WEIGHT CALCULATION METHODOLOGY
Rejman E., M. Rejman ... 120

IMPROVEMENT OF THE DIMENSION ACCURACY OF THE PROCESS FOR RAPID PROTOTYPING OF CASTING PARTS BY RECONFIGURABLE FACET MOLDS
Ivanov Ts., G. Todorov, G. Nikolcheva, M. Koychev ... 124

TECHNICAL POSSIBILITIES FOR A DIAGNOSES OF CINEMATICAL SYSTEM OF MACHINE TOOLS, BASED ON IEC 61499 STANDARD
Popov G., T. Geshev ... 127

MATHEMATICAL MODELS FOR A DIAGNOSES OF CINEMATICAL SYSTEM OF MACHINE TOOLS, BASED ON IEC 61499 STANDARD
Geshev T., G. Popov ... 131

IEC 61499 BASED RESOURCE FOR A DIAGNOSES OF CINEMATICAL SYSTEM OF MACHINE TOOLS
Geshev T., G. Popov ... 134

A DETERMMINING OF THE HELICAL SURFACE PROFILE OF BALL-SCREW DRIVE USING A MINIMAL DISTANCE METHOD
Nikolcheva G. ... 137

SOME ASPECTS IN DESIGN AND IMPLEMENTATION OF AUTOMATED MECHATRONIC SYSTEMS IN DISCRETE PRODUCTION
Tchakarsky D., T. Vakarelska, R. Dimitrova, P. Tomov ... 141

INTELLIGENT WORKCELL ROBOT SYSTEM IN MANUFACTURING WITH ABB IRB 20
Latinovic T., S. Deaconu, G. Popov, M. Topor ... 145

THE STRUCTURE AND PROPERTIES OF ULTRAFINE-GRAINED ZIRCONIUM ALLOYS
Rogachev S., S. Nikulin, S. Dobatkin, V. Terentev,
V. Kopylov ... 147

OPTICAL AND ELECTRON MICROSCOPY STUDY OF THE MECHANICAL PROPERTIES IMPROVEMENT ON RECYCLED AlSi9Cu3 CAST ALLOY ALONG THE HARDENING
Hurtalová L., E. Tillová, M. Chalupová ... 151

STUDY OF V-SHAPED SPECIMEN CONCENTRATION EFFECT UPON STRESS GRADIENT
Dimova B., V. Vesselinova-Guteva ... 155

MEASURING OF STRESS-STRAIN BEHAVIOUR OF STEEL 1.0718 AND ALUMINIUM ALLOY AT DIFFERENT TEMPERATURE RANGE
Božič S., D. Šircelj ... 159

RESEARCH OF THE CONTACT STRENGTH OF COMPOSITE MATERIALS
Pavelko I., S. Kuznecov, M. Smolyaninov ... 164

STRESS STATE AND STRENGTH OF THE PIEZOCERAMICS AT STATIC LOAD
Pavelko V., I. Pavelko, E. Ozolinsh, I. Ozolinsh,
S. Kuznetsov ... 167

A NEW APPROACH TO CALCULATING X-RAY PATTERNS OF THE DIFFRACTOMETER FOR NANOSTRUCTURED COATINGS
Kutev V., A. Pozdnyakov, A. Krainyukov ... 171

EFFECT OF STRUCTURE OF BORON STEELS ON THEIR RESISTANCE TO BRITTLE FRACTURE
Frydman S., B. Letkowska ... 175

PROPERTIES OF INSTRUMENTAL STEELS WITH REGULATED AUSTENITE TRANSFORMATION IN OPERATION ЭП930 AND ЭК92 AFTER GAS NITROCARBURISING
Zhekov O. ... 177

CRITIQUE OF THE HELLENIC STANDARD KTX 2008, ON FATIGUE AND CORROSION OF STEEL IN REINFORCED CONCRETE STRUCTURES
Apostolopoulos Ch., D. Michalopoulos, L. Dimitrov ... 180

NANOSTRUCTURAL COMPOSITES BASED ON IRON WITH NANOCARBON MATERIALS ADDITIONS
Kuis D., G. Okatova, N. Svidunovich, V. Urbanovich,
V. Oichenko ... 185

PREPARATION OF NOVAL PERFLUORINATED ACRYLATE COPOLYMER EMULSION CONTAINING NANO-TIO2 AND ITS APPLICATION ON COTTON FABRICS
Fu S., M. Zhang, D. Yao ... 188

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