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

ACOUSTIC CHARACTERISTICS OF INTERNAL SOUND FIELD IN CYLINDRICAL STRUCTURE WITH AN EXCITED END PLATE
Kojima A., H. Moriyama, Y. Oshinoya ... 17

STUDY OF SURFACE QUALITY DURING HIGH SPEED MACHINING USING ECOFRIENDLY CUTTING FLUID
Swarup P., K. Pradip ... 22

SOLID-PHASE TECHNOLOGIES OF POLYMER PROCESSING FOR ENGINEERING
Baronin G.., A. Stolin, D. Zavrazhin, D. Kobzev ... 27

DIMENSIONS ACCURACY IN DIFFERENT LASER CUTTING SCHEMES
Dikova Ts., D. Stavrev, B. Misra, K. Venkadeshwaran,
D. Misra ... 30

PROCESS OF CUTTING OFF MATERIAL WITH DISC ROTATING DIES FOR SANITARY ABSORBENTS
Hadjiiski P., I. Marinov ... 34

COMPENSATION OF GEOMETRIC INACCURACY ERRORS BY POSTPROCESSOR
Hadjiiski P., Ts. Kaldashev ... 38

TECHNOLOGICAL PARAMETERS IN PULSE PLATING DEPOSITION OF NICKEL COATING APPLICATION FOR MAKING ABRASIVE TOOLS
Peev M. ... 40

TRANSMISSION LASER CONTOUR WELDING OF POLYCARBONATES WITH A MOVING LASER BEAM: PROCESS SIMULATION VIA FEM
Misra D., B. Acherjee, A. Kuar, S. Mitra ... 44

EXPERIMENTAL INVESTIGATION ON DIODE LASER WELDING OF POLYCARBONATE TO ABS
Mitra S., B. Acherjee, A. Kuar, D. Misra ... 48

MICRO ELECTRO DISCHARGE MACHINING OF GAMMA TITANIUM ALUMINIDE
Mitra S., G. Paul, S. Sarkar, and Nagahanumaiah ... 52

DETERMINATION OF DEFLECTION FREE OF END METAL SHEET PLATES BY HANDLING ROBOT WITH USING VACUUM EFFECTOR
Slamka J., M. Tolnay, M. Jedinák, M. Bachratý ... 57

OPTIMISATION OF KERF QUALITY DURING PULSED ND: YAG LASER CUTTING OF ALUMINIUM ALLOY SHEET
Chaki S., S. Ghosal, R. Bathe ... 61

APPLICATION OF LASER TECHNOLOGIES IN DENTAL PROSTHETICS
Dikova Ts., N. Panova, M. Simov ... 65

HIGH VOLTAGE ELECTRIC PULSE WELDING OF TITANIUM WITH STAINLESS STEEL
Grigoryev E. ... 69

ENERGY SAVING AND ENVIRONMENT FRIENDLY TECHNOLOGIES IN DESIGN OF GREEN CONSTRUCTIONS
Topaçoğlu Y., İ. Taymaz, V. Uçar, H. Soyhan ... 72

SHARPENING HELICAL DRILLS
Likov I., G. Nikolcheva ... 75

COMPUTER MODELLING OF TWIST DRILL SHAPENED AT CONICAL SURFACE
Nikolcheva G., I. Likov, K. Stoyanov ... 78

DISTRIBUTION OF THE TEMPERATURE AND ENERGY AT INDUCTION HEATING OF WORK PIECE COPPER
Stefanov G., Lj. Karadzinov, V. Sarac, R. Dambov ... 82

NUMERICAL MODELING OF WELDED RIGID BEAM-COLUMN CONNECTIONS AT MULTI-STOREY STRUCTURES
Trajanoska B., G. Arsova-Miloshevska, Z. Bogatinoski ... 86

ENERGY SAVING AND ENVIRONMENT FRIENDLY TECHNOLOGY OF HYBRID-ELECTRIC VEHICLE WITH NEW POWER TRANSMISSION AND ENERGY RECUPERATION APPROACH
Cundev D., P. Mindl ... 91

THE IMPACT OF LEADERSHIP ON ACHIEVING TOTAL QUALITY MANAGEMENT
Serafimovska H., E. Ristova ... 95

METHOD FOR SOLVING MULTIPLE CRITERIA DECISION MAKING (MCDM) PROBLEMS IN BUILDING-UP BY WELDING AREA
Tontchev N., N. Hristov ... 98

INCREASING THE WEAR RESISTANCE OF WHEELSET FLANGES USING THE PLASMATIC QUENCHING
Kanaev A., S. Nekushev, B. Jusin ... 103

TECHNIQUE OF SCC TESTS OF ZIRCONIUM TUBE SPECIMENS UNDER INTERNAL PRESSURE
Koteneva M., S. Nikulin, A. Rozhnov, V. Belov ... 106

EVALUATION OF BRINELL’S HARDNESS FOR MILD STEELS BY MESURING OF THEIR ACOUSTICAL CHARACTERISTICS
Popov Al. ... 108

THE CHOICE BETWEEN PRODUCTION OF LEAD SELECTIVE CONCENTRATE OR RECOVERY OF LEAD AND ELEMENTAL SULPHUR FROM GALENITE DOMESTIC ORES
Golomeov Bl., B. Krstev, M. Golomeova, Al. Krstev ... 112

RADIAL-DIRECT EXTRUSION OF DETAILS WITH SPHERICAL CAVITY FROM POWDER POROUS BILLETS WITH RELIEVING CAVITY
Ryabicheva L., D. Usatyuk, K. Lyubchich ... 116

HELIUM ATMOSPHERIC PRESSURE-DIELECTRIC BARRIER DISCHARGE IN DIODE CO-PLANAR PLASMATRON
Dineff P., D. Gospodinova, M. Shopov ... 120

OPERATION MODE OF PLASMATRON WITH DIELECTRIC BARRIER DISCHARGE IN HELIUM AT ATMOSPHERIC PRESSURE
Dineff P., D. Gospodinova, M. Shopov ... 126

THE IMPROVING OF FORGE TECHNOLOGICAL PROCESSES OF TUBE SHELL
Artes A., A. Volodin, V. Tretuhin ... 132

MODELS FOR ANALYSIS OF DYNAMIC ERROR FOR INSTRUMENTS, MEASURING PARAMETERS OF MOVING OBJECTS
Dichev D., Hr. Koev ... 137

METHODOLOGY FOR DETERMINING THE QUALITY PARAMETERS OF THE COMPOSITE COATING ON SURFACE OF ROTATION WELDING
Tonchev N., M. Kandeva, N. Hristov ... 141

EFFECT OF HEAT TREATMENT ON STRESS-COROSION CRACKING OF LOW- CARBON STEEL IN PHOSPHATE SOLUTIONS
Marcheva Y., R. Raicheff ... 145

THE ENHANCEMENT OF AXIS-SYMMETRICAL DEFORMATION MATHEMATICAL MODEL
Sosenushkin E., E. Yanovskaya ... 149

MODEL OF THE FACTORS INFLUENCING THE EMOTIONS OF INTERACTIVE SYSTEM USERS
Anguelova S. ... 153

AUTOMATIC INSPECTION OF SINGLE-SYSTEM-MÉLANGE COLOR FABRIC DENSITY BASED ON FCM ALGORITHM
Gao W., S. Wang, R. Pan, J. Liu, X. Wang, H. Lei ... 156

DETERMINATION OF THE RESTART TEMPERATURE FOR NORMALIZED ROLLING OF C-MN STEEL IN PLATE MILL
Ilievski R., Z. Martinova, B. Krstevski, J. Magdeski ... 160

CREATED OF THE PROCESS PLANS IN THE CONTEXT OF ISO 9001
Jedináková J., P. Baron, M. Kočiško ... 164

SURFACE DEPOSITE WELDING OF MOULD STEELS
Shtarbakov V. ... 166

MODELING AND INVESTIGATION OF HEAT TREATMENT PROCESSES BY FINITE ELEMENT METHOD
Shtarbakov V. ... 170

А SIMULATION STUDY SURFACE ROUGHNESS AFTER AIR-PLASMA GOUGING CUTTING
Bakalova M., A. Stoyanova, T. Mechkarova ... 175

THE FIRST LAW OF PROF. DIMITAR DAMIANOV
Damianov D. ... 178