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22.06.2010 21:25 - 11-мевдунар. конгрес ."Металургия и материали. Програмс. Доклади на д-р инж. Богомил В.Колев
Автор: bogomil Категория: Технологии   
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ISBN 975-395-532-4 11th INTERNATIONAL METALLURGY & MATERIALS CONGRESS 5-8 June 2002 ABSTRACTS 11. ULUSLARARASI METALЬRJİ ve MALZEME KONGRESİ 5 - 8 Haziran 2002 ЦZET KİTABI CNR - INTERNATIONAL EXHIBITION CENTER CNR ULUSLARARASI FUAR MERKEZİ İstanbul, TЬRKİYE i                                                                                                                                                                                                                                                         Organizer / Dьzenleyen               Union of Chambers of Engineers and Architects of Turkey CHAMBER OF METALLURGICAL ENGINEERS Tьrk Mьhendis ve Mimar Odalan Birliği METALЬRJİ MЬHENDİSLERİ ODASI ^PORTED BY/ THE SCIENTIFIC AND TECHNICAL RESEARCH COUNCIL OF TURKEY
:                                                               DESTEKLEYEN KURULUŞ / TЬBİTAK
11th International Metallurgy and Materials Congress and Trade Fair - ABSTRACTS 11. Uluslararası Metalьrji ve Malzeme Kongresi ve Fuarı - BİLDİRİ ЦZETLERİ NEW HIGH STRENGTH AND WEAR RESISTANT N-DOPED AUSTENITIC STEELS AND CAST IRONS..................................................................................................... 50 B. V. KOLEV BULGARIAN ACADEMY OF SCIENCES, BULGARIA VANADIUM EFFECT ON THE MARTENSITE STRUCTURE IN HEAT RESISTANT TOOL STEELS......................................................................................... 51 I.PARSHOROV BULGARIAN ACADEMY OF SCIENCES, BULGARIA INTERACTION ON CHARACTERISTIC PARAMETERS IN ELECTROSLAGREMELTING........................................................................................... ......52 S. MOYNOV, G. SAVOV BULGARIAN ACADEMY OF SCIENCES, BULGARIA INVESTIGATION ON INFLUENCE OF GAS PRESSURE ON THE MECHANICAL PROPERTIES OF HIGH NITROGEN STEELS FOR PRODUCTION OF BEARINGS AND ROLLS......................................................................... 53 G.SAVOV, S. MOYNOV BULGARIAN ACADEMY OF SCIENCES, BULGARIA MONITORING EXPERIENCE AND TECHNOLOGICAL GROUNDS OF OXIGEN ACTIVITY CONTROL IN CONVERTOR STEELS................................................. 54 G. STOVPHENKO, N. OMES, S. TROSCHU, Y. GRISCHENKO, V. KEKUCH, V. MAKARENKO, V. KIMSTACH, A. SAPSAY NAT. METAL. ACAD. OF UKRAINE, UKRAINE INVESTIGATION IN THE PROCESS PARAMETERS OF AN ULTRAHIGH POWERED ELECTRIC ARC FURNACE........................................................ 55 E.MIHAILOV BULGARIAN ACADEMY OF SCIENCES, BULGARIA ORGANIZING PRODUCTION OF BH STEELS OF THE ZSTE 220 BH CLASS IN SARTID-SMEDEREVO............................................................................... ___ .....56 R. JEVTIC INSTITUTE FOR METALLURGY, YUGOSLAVIA                                          .. CORROSION BEHAVIOUR OF STEELS USED IN COKE INDUSTRY.......................................................................................................................... .....J7 I.SOLOMON, N. SOLOMON GALATI UNIV., ROMANIA NONFERROUS / DEMİR DIŞI          "~ THE OXIDATION OF ARSEOPYRITE BY FERRATE(VI).................................................... 58 N.GЬRESİN (InvitedSpeaker), M.J. NICOL UNFV. OF QUEENSLAND, BRISBANE - AUSTRALIA RODAJ   BANYOSU   ATIK   ЗЦZELTİLERİNDEN   RODYUMHİDROKSİT   ЗЦKTЬRME PARAMETRELERİNİN OPTİMİZASYONU............................................................................ 59 OPTIMIZATION OF RHODIUM HYDROXIDE PRECIPITATION PARAMETERS FROM WASTE RHODIUM SOLUTIONS A. GЬVEN, M. EMRE, S. TİMUR, İ. DUMAN tTİI
11th International Metallurgy and Materials Congress and Trade Fair ABSTRAfJTS 11. Uluslararası Metalьrji re Malzeme Kongresi ve Fuarı - BİLDİRİ ЦZETLERİ PRESSURE LEACHING OF KЬRE MASSIVE RICH COPPER ORE............................................... 60 K.T. PEREK, F. ARSLAN İTЬ, INST. FUR AUFBEREITUNG & DEPONIETECHNIK PURIFICATION OF ZINC SULPHATE SOLUTIONS FROM Co AND Ni THROUGH ACTIVATED CEMENTATION............................................................................ 61 B. BOYANOV, V.KONAREVA, N. KOLEV UNIV. OF PLOVDIV -BULGARIA İNCE DЦKЬLMЬŞ Al-Fe-Si ALAŞIMLI LEVHALARDAN FİNSTOK ЬRETİMİ................................................................................................................ .62 PROCESSING OF FINSTOCK FROM THIN-CAST Al-Fe-Si ALLOY STRIPS G. KARA, Y. BİROL ASSAN ALЬMİNYUM, TЬBİTAK-MAM TЬRKİYE"NİN BOR POLİTİKASI........................................................................................... 63 THE BOR POLICY OF TURKEY E. ŞOHER ETİ HOLDİNG A.Ş. TİNKALDEN BAŞLAYARAK BORİK ASİT ЬRETİMİNDE VERİMİN ARTTIRILMASINA
YЦNELİK ЗALIŞMALAR....................................................................................................... .64
STUDIES ON ATTEMPTS TO INCREASE THE YIELD IN BORIC ACID PRODUCTION FROM BORAX SOLUTIONS A. Mergen, H. Demirhan, M. Bilen, M. Gьndьz ETİ HOLDİNG A.Ş. PİRİNЗ ERGİTME ATIKLARININ PİROMETALURJİK DEĞERLENDİRİLMESİ........................................................................................................... 65 PYROMETALURGICAL BENEFICATION OF BRASS MELTING RESIDUES Ц. KAHVECİOĞLU, B. DERİN, O. YЬCEL İTЬ PİRİNЗ ALAŞIMLARININ HAZIRLANMASINDA FLAKSLARIN ETKİSİ........................... 66 EFFECTS OF THE FLUXES IN THE PREPARATION OF BRASS ALLOYS E. AЗMA, O. AKGЬN, Ş. SЦNMEZ İTЬ ELEKTROLİTİK BAKIR SEKTЦRЬNDEKİ FARKLI FİLMAŞİN ЬRETİM PROSESLERİNİN MUKAYESESİ VE SARKUYSAN"DA GERЗEKLEŞTİRİLEN MODERNİZASYON VE GELİŞTİRME ЗALIŞMALARI................................................................................................. 67 COMPARISON OF DIFFERENT ROD PRODUCTION PROCESSES IN ELECTROLYTIC COPPER INDUSTRY AND MODERNIZATION AND DEVELOPMENT STUDIES IN SARKUYSAN C. AYHAN, M.U. İLGAZ SARKUYSAN A.Ş. DOĞANKUZU VE MORTAŞ BOKSİT CEVHERLERİNİN BASINЗLI LİЗ ŞARTLARININ İNCELENMESİ.............................................................................................. .68 INVESTIGATION OF PRESSURE LEACHING CONDITIONS OF DOĞANKUZU AND MORTAŞ BAUXITE ORES E. AЗMA, İ. CANЦZER, Ş. SЦNMEZ İTЬ
lllh International Metallurgy and Materials Congress and Trade Fair - ABSTRACTS 11. Uluslararası Metalьrji ve Malzeme Kongresi ve Fuarı - BİLDİRİ ЦZETLERİ NEW HIGH STRENGTH AND WEAR RESISTANT N-DOPED AUSTENITIC STEELS AND CAST IRONS Dr.Eng.Bogomil Velikov Kolev Institute of Metal Science (IMS), Bulgarian Academy of Sciences(BAS) 67 "Shipchensky prohod" str., 1574 Sofia, Bulgaria ABSTRACT The study present to the international scientific and technical circles a summary of some current scientific and applied results achieved from the investigations on the mechanical characteristics and wear resistance of new high strength wear resistant N-doped steels and cast irons not containing Ni. KEY WORDS: new alloys, mechanic properties, wear resistance, strengthening, nitrogen, austenite cast alloys
11th International Metallurgy and Materials Congress and Trade Fair - ABSTRACTS 11. Uluslararası Metalьrji ve Malzeme Kongresi ve Fuarı - BİLDİRİ ЦZETLERİ VANADIUM EFFECT ON THE MARTENSITE STRUCTURE IN HEAT RESISTANT TOOL STEELS Ivan PARSHOROV Institute of Metalscience-Bulgarian Academy of Sciencs, Sofia, BulgariaE-mail: parsh@ims.bas.bg ABSTRACT The purpose of the present investigations is to clarify the problems related to the effect of additional vanadium alloying on the martensite behavior and structure after heat treatment in steel of the type X40CrMoV5.1 (Thyrotherm 2343). The investigations show that the positive vanadium effect related to steel heat resistance increase most probably is due to not the solid solution behavior but due to the present precipitated fine dispersion carbides which are disperse and have low coagulating ability. Keywords:   Vanadium   alloying,   martensite,   heat   treatment,   hot working steel



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1. bogomil - Подробности по темата
22.06.2010 21:29
Подробносто по проблема свързан с добиването на нови сплави, техната структура, свойства и насоки за проиложение могат да се намерят в монографията на автора Богомил Великов Колев; "Нови комплексно легирани сплави на желязовъглеродна основа. Изд. БПС( Авангард), София, 2001 и 2003 г.

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2. анонимен - smi.ar
12.12.2011 13:30
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3. анонимен - stroy-box
14.12.2011 17:13
Литература по строительству и ремонту http://stroybooks.ru/
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