7. ULUSLARARASI METALURJI VE MALZEME KONGRESI BiLDIRILER KITABI CILTI

Transcription

1 7. ULUSLARARASI METALURJI VE MALZEME KONGRESI BiLDIRILER KITABI CILTI TMMOB METALVRji MUHENDiSLERi ODASI UCTEA CHAMBER OF METALLURGICAL ENGINEERS 7 th INTERNATIONAL METALLURGY AND MATERIALS CONGRESS PROCEEDINGS BOOK VOLUME I

2 ipndekiler / CONTENTS CILT 1 / VOLUME 1 KALITE, KALITE GUVENCESI VE KALITE GELi TJRME QUALITY, QUALITY ASSURANCE & QUALITY IMPROVEMENT Kalite Kavrami, Dunyada ve Ulkemizde Kalite Yakla imi 1 Concept of Quality S. BESLl ISO 9000 Uluslararasi Kalite Giivence Sistemleri 13 ISO 9000 Quality Assurance Systems F. ALA, C. YILDIRIM Celik Uriinlerde Uretim Teknolojileri, Standardizasyon, Ongoriilen Kalite Dtizeyi iliskisinin Kalite Giivencesi Cer^evesinde Degerlendirilmesi 27 The Concept of Quality Assurance In Steel Products & Its Relation to the Production Technologies, Desired Quality Level & Standardization F. DtKEQ, Y. TAPTIK, S. AYD1N antiye Kosullarindaki Kaynakh imalatta Kalite Guvencesi 43 Quality Assurance Systems for Welded Constructions S. CANOGULLAR1, Y. TAPTIK Kaynakh Konstruksiyonlarda Kalite Guvencesi Sisteminin Olusturulmasina Hasarsiz Muayene Yontemlerinin Katkisinin Radyografi Orneginde Degerlendirilmesi 53 Quality Assurance Systems for Welded Constructions as Examplified by Radiography S. CANotuLLARl, Y. TAPTIK BAKIR SANAYII, DEMIR-CELIK SANAYII, ELEKTRIK ARK VE LD OCAKLARI COPPER INDUSTRY, IRON & STEEL INDUSTRY, ELECTRIC ARC AND LD FURNACES Diinya Bakir Uretiminde Yerimiz 67 Status of Tiirkiye in World Copper Production M. SEZER Demir-Celik Sanayiinin Gelecegi ve Arastirma Gelistirme Faaliyetleri 75 Future of Iron & Steel Industry and Research & Development Activities A. ILGAZ Simule Edilmi Bir LD Celik Uretim Siirecinde Gaz Ufleme iddetinin Krater Profili Uzerine Etkisi 81 Effect of Blowing Intensity of Crater Profile in a Simulated LD Process of Steelmaking R. PRASAD, U.S. SRIVASTAVA, P.R. PRASAD I

3 UHP Ark Ocagimn Otomasyonu 95 Automation of the UHP Furnace M. BOURGE, D. WEBER, M. WILHELM Elektrik Ark Ocagimn Bilgisayar Tasarimi 107 Computer Design of Electric Arc Furnace A. DIMA, E. CHIR1LA, A.A. DIMA Ark Ocakh isletmelerde Enerji Kullammi 119 Use of Energies in Electric Furnace Steelmaking Shops D.L. SCHROEDER HIDROMETALURji HYDROMETALLURGY Altin lc.eren Pirit Konsantresinin Siilfurik Asit ile Basing. Altinda Oksidasyonu 13> Sulphuric Acid Pressure Oxidation of Pyrite Concentrate for the Recovery of Gold Y. TOP KAY A Ordu Sfalerit Konsantresinin Siilfiirik Asit ile Oksitleyici Basing Lic,i 141 Oxidative Pressure Leaching of Ordu Sphalerite Concentrate N. GURESiN, Y. TOPKAYA Siilfiirlu Cinko Konsantrelerinin Basincli Liginde Aktif Karbonun Etkisi 153 The Effect of Active Carbon on Pressure Leaching of Zinc Sulphide Concentrates H. SESlGUR, C. OKTAYBAS, E. ACMA, O. ADDEM1R Kullerinin Morfolojisi ve Siilfiirik Asit ile Cbzumlendirilmesi 161 Morphology and H 2 SO 4 Leaching of Brass Ash S. TlMUR, L DUMAN Ate le Rafinasyon Bakir Curuflarmin Siilfiirik Asit Liqi 169 Sulphuric Acid Leaching of Fire Refining Furnace Copper Slags N.GURESlN, A. GEVECl Kiitahya-Gumu koy Cevherlerinden Giimusiin Dogrudan Siyaniir ile Licj 181 Direct Cyanide Leaching of Kiitahya-Gumuskoy Silver Ores N. ACARKAN, V. GURKAN, E. YUCE, T. PEREK, S. KACMAZ Endustriyel Atiklardan Siyanurlerin Elde Edilmesinde Yuzeye Tutunma Asamasi Uzerine Bir Cah ma 195 Study of the Adsorption Stage Aiming the Recovery of Cyanides from Industrial Effluents R. VERAS, P. PRAES, I. MASSON Seydisehir Kirmizi Camurunun Degerlendirilmesi Olanaklarmin Arastmlmasi 205 Study of Valuation of Seydisehir Red Mud O.F. EMRULLAHO&LU, G. ATESOK, M. KARA, S. DEMlRALP II

4 Etibank Seydi ehir Boksit Cevherindeki Galyumun Degerlendirilebilme tmkaninin Arastinlmasi 215 Study of Recovery of Galium from Etibank-Seydisehir Bauxite Ore H. YUZER, E. AVCI, 6.F. EMRULLAHOGLU, E. GENCER, T. HASER Attritor Ogutmesinin elit Konsantrelerinin Lic.i Uzerine Etkisi 225 The Effect of Attritor Mill Grinding on Leaching of Scheelite Concentrates S. TiMUR, 1. DUMAN Diisiik Tenorlii elit Konsantresinin Alkali Fuzyon ile Degerlendirilmesi ve Kukurdun Tungsten Kazammina Etkisi 231 The Effect of Sulphur on the Dissolution Efficiency of Tungsten in the Alkali Fusion of Low-Grade Scheelite Concentrates B. SlRlN, E. ACMA, C. ARSLAN, O. ADDEMtR INDIRGENME, FERROALAS. IM URETIMI, SIVI HAM DEMIR VE SIVI CELtGE OCAK DI INDA YAPILAN I LEMLER REDUCTION, FERROALLOY PRODUCTION, EXTERNAL TREATMENT OF HOT METAL & STEEL ilmenit Konsantresinin Karbon ile Reduksiyonu 253 Reduction of Ilmenite Concentrate With Carbon C.S. KUCUKKARAGOZ, R. H. ERiC Siderit Cevherinin Yuksek Finn tqin Hazirlanmasmda Kalsinasyon ve Redukleme Etkisinin Arastirilmasi 265 Study of Calcination & Reduction of Siderite Ore M. AKDAC Fethiye Bolgesi Kromit Cevherinin Karbon ile Reduksiyonunun Kinetigi ve Mekanizmasi 275 Kinetics and Mechanism of Carbon Reduction of Fethiye Chromite Ore A.B. YORUC, C.S. KUCUKKARAGOZ Kromit Spinelinin Kati Halde indirgenme Davrani i 287 Solid State Reduction Behaviour of Chromite Spinels M. DURUSOY, S.G. KARSLI, M.K. SESEN Hammadde Karakterinin Ferrobor Uretimine Etkisinin incelenmesi 297 The Effect of Raw Material Characteristics on Ferroboron O.YUCEL, F. CINAR, O. ADDEMlR, A. TEKlN Denizli Tavas Manganez Cevherlerinden Yuksek Karbonlu Ferromanganez Eldesi 311 Production of High-C Ferro-Manganese from Denizli-Tavas Manganese Ores F. EMEKSlZ, N. SEVlNC Sodyum Karbonatm Sivi Ham Demirle Reaksiyonu 323 Reaction of Sodium Carbonate & Hot Metal. OKTAY III

5 Kalsiyum ic.eren Toz Oksijen Gidericiler ile Sivi Celigin Raf inasyonu 334 Liquid Steel Refining Using Powder Deoxidizers Containing Calcium V. GEANTA, E. BERCEANU, D. BUNEA, C. NECSULESCU TERMODiNAMiK OZELLiKLER VE FAZ DIYAGRAMLARI THERMODYNAMIC PROPERTIES & PHASE DIAGRAMS Fe-Ni-O Sisteminin 1300 C'deki Denge Fazlari ve Termodinamigi 347 Phase Equilibria & Thermodynamics of Fe-Ni-O System at 1300 C /. CAM, M.T1MU0N Sivi Ag-Cu-Ge Alasimlarinin Termodinamik Aktiviteleri 357 Thermodynamic Activities in Liquid Ag-Cu-Ge Alloys E. OKTAY Fe-C-X ve Fe-X Sistemlerinde Cozelti Elementlerinin Kati-Sivi Arasindaki Dagihm Katsayilari 367 Solid-Liquid Partition Coefficients of Elements in Fe-C-X & Fe-X Systems A. TURKELI Sivi Demir Oksit Sisteminin Yuzey Gerilimleri 379 Surface Tension of Liquid Iron-Oxide System E. OKTAY Cok Elementli Sistemlerin Kellog Diyagramlari ic.in Bilgisayar Programi 385 A Computer Program for the Kellog Diagrams of System Involving More Than Three Elements /. KARAKAYA, M. YARAN Uc,lii Sistemlerin Faz Diyagramlari i?in Bilgisayar Programi 399 An Interactive Computer Program for Ternary Phase Diagram Computations LKARAKAYA, S. K. ABBASl DOKUM VE ALAS. IM GELtSjiRME CASTING AND ALLOY DEVELOPMENT Kuresel Grafitli Dokme Demirde A ilamanin Termal Analiz ve Mikroyapi incelemesi ile Kontrolii 413 Control of Seeding in Sphereoidal Cast Iron by Thermal Analysis and Microstructure Examination Y. GUNAY, C. DEMtR Yuksek Ala imh Otektik Otesi Beyaz Dokme Demirlerin Yapisal Modifikasyonu ve Ozellikleri Uzerine Bir Cah ma 431 Studies and Researches Concerning on the Dependence Between Structural Modifications and Properties of Some Light Hypereutectic High Alloyed White Cast Iron B. DANIL, S. RAMl, B. EDMOND, B. MIHA1 IV

6 Ferritik Ana Fazh Kiiresel Dokme Demir Uretimi ve Yuksek Ozellikli Temper Dokme Demirler Uzerine Ara tirma ve Cahsmalar 441 Studies and Researches on Producing Ductile Cast Irons with Ferritic Matrix and High Properties of Malleability and Breaking Tenacity C. DUMITRESCU, D. BUNEA, M. BRANZAI, D. GHEORGHE Yeni Gelistirilen Cosmal-Z Basincli Dokiim Alasimlarimn Mekanik ve Mikroyapisal Ozellikleri 449 The Mechanical and Microstructural Properties of New Pressure Die-Cast Cosmal-Z Alloys M. DURMAN Kalay Bronzunda Nikelin Etkisi (Max. % 1) 461 Effect of Nickel Addition (Max 1 %) To Tin Bronze F. SUZEN, A. DIKDURAK CrNiCo-Siiperala iminda Silisin Etkisi 473 The Effect of Silicon on CrNiCo-Superalloy H. KAZDAL, S. SEVlK, A GULTEKIN, E. TEKlN Dogrudan erit Dokumii Melt Spinning ve Uriin Geometrisine Etkisi 479 The Effects of Melt Spinning Process Parameters on the Geometry of Melt Spun Pure Zn Ribbon V. AKDENlZ, J.V. WOOD Dokiimlerin Katilasma Zamaninin Tesbitinde Yeni Bir Yaklasim 489 A New Approach on Determination of Solidification Time of Castings S. OZDEMlR KUM VE BAZITOZ MALZEMELERIN OZELLiKLERI VE KULLANIMI PROPERTIES AND USES OF MOULDING SAND AND SOME POWDER MATERIALS Unye Bentonitlerinin Fiziksel Karakterizasyonu 509 Physical Characterization of Unye Bentonites N. UNLU, N. ERUSLU, A. ALTMISOGLU, I. ECE, F. COBAN Turk Dokiim Kumu ve Alman (H 32) Kumunun Ozellikleri, Kahplama ve Mac,a Kumu Otarak Kullanimlarinin Kiyaslanmasi 519 Properties and Comparison of Turkish and German(H 32) Sand Y. GUNAY, C. DEMIR tnce Cevher Konsantresi ve Filtre Tozlarimn Briketlenmesi 533 Briquetting of Fine Ore Concentrates and Filter Bag Dusts G. OZBAYOGLU, U. ATALAY, C. HiCYILMAZ Sicak Daldirmah Galvanizasyon Prosesinde Olusan Kuru Ktilden Metalik Cinkonun Kazanilmasi 541 Recovery of Metallic Zinc From Hot Dip Galvanization Skimmings G. OZBAYOGLU, K. DiKBlYIK

7 METALIK VE SERAMIK TOZ URETIMi METALLIC AND CERAMIC POWDER PRODUCTION Su Atomize CuZn42 Alasimi Tozu Uretimi ve Su Basincinin Toz Ozellikleri Etkileri 553 Production of CuZn42 Alloy Powders by Atomization and Effect of Water Pressure on the Powder Properties A. HATM AN, S. KARAGOZ Bor Nitriir Uretimi 567 Production of Boron Nitride A. AYDO&DU, N. SEVINC Yerli Hammadde Kaynaklarindan TiB 2 Toz Sentezi 577 Production of TiB 2 Powder from Domestic Sources M. QIRAKO&LU, C. TOY, A. TEK1N Karbotermal Rediiksiyon ve Nitrurleme ile Si 3 N 4 Seramik Toz Sentezini Etkileyen Parametreler 587 Synthesis and Characterization of Si 3 N 4 Whiskers During Carbothermal Reduction and Nitridation of SiO 2 N. KUSKONMAZ, C. TOY, O. ADDEMlR, A. TEK1N Bor Karbur Tozlarimn Tane Boyutunun Oksidasyon Ozelligi Kullamlarak Kiic.iiltulmesi 601 Reduction of Particle Size of Boron Nitride Powders by Oxidation G. GOLLER, C. TOY, E. UNAL, A. TEK1N Birlikte (Beraber) Coktiiriilmus (Th, Ce) Okzalat'tan Elde Edilen (Th, Ce) O 2 Toz Ozelliklerinin incelenmesi 609 Determination Properties of (Th, Ce) O 2 Powder Produced from Coprecipitated (Th, Ce) Oxalate A. YAYU, T. AYBERS, L. COLAK, /. YURTSEVEN Si 3 N 4 'iin Karbotermal Sentezi Sirasinda Olusan Visker Morfolojisinin incelenmesi 625 Study of the Formation of Silicon Nitrite Whiskers During the Carbothermal Reduction and Nitridation of Rice Husk N. KUSKONMAZ, C. TOY, O. ADDEMIR, A. TEKiN ALUMINA SERAMIKLERI ALUMINA CERAMICS Metalurjik Aluminamn Seramik Malzemesi Olarak Degerlendirilmesi 637 Improvement the Chemical Properties of Seydisehir Fine Grade Alumina Powders for Use in Structural Ceramics R. CESMECl, E. GUNAY, S. SEVlNCTAV, C. TOY, T. BAYKARA Attritor Degirmenin Kalsine Aluminamn Ogutiilmesinde Uygulanmasi 647 Use of Attritor Mill in Grinding of CalcinedAlumina S. AYAR, C. TOY, F. BALLI VI

8 Seydi ehir Aluminamn Sinterlenebilirliginin Geli tirilmesi 653 Development of Sintering Characteristics of Seydisehir Alumina C. TOY, M. DEMlRCl, T. BAYKARA Ticari Alumina Seramiklerde Katkilarin Tane ve Bo luk Dagihmina Etkisi 665 The Effect of Additives on the Grain and Pore Distributions in Commercial Alumina Ceramics Z. MISIRLI, A. UGUZ, T.BAYKARA A1 2 O 3 Bazh Zirh Seramikleri 677 A1 2 O 3 Based Armour Ceramics V. GUNAY, T. BAYKARA SERAMIK MALZEMELERiN VE AGIR ALA IMLARIN URETIMi VE KARAKTERiZASYONU PRODUCTION AND CHARACTERIZATION OF CERAMIC MATERIALS AND HEAVY ALLOYS Teknik Seramiklerin Hafif Zirh Yapiminda Kullanimi 685 Use of Technical Ceramics in Light Weight Armours C. TOY, A. TEKIN, A. DEMtRURAL, E. UNAL Diis.uk Basinc.li Enjeksiyon Kahplama ile Tekstil Seramiklerinin Yapimi 695 Production of Textile Ceramics by Utilization of a Low Pressure Injection Molding Machine C. TOY, Y. PALAC1, T. BAYKARA Du iik Sicakhklarda V 2 O 5 Katkih Kur un-zirkonat-titanat Piezoelektrik Seramiklerinin Uretilmesi 707 Low Temperature Production of Lead-Zirkonate-Titanate Piezo-Electric Ceramic by Adding V 2 O 5 S. YALCIN, A. OZMEN Si 3 N 4 Seramiklerinin Sinterlenmesi 717 Sintering of Si 3 N 4 Ceramics V. GUNAY Toz Morfolojisinin Preslenmis. Seramiklerin Ya Dayanimi Uzerine Etkisi 723 The Influence of Powder Morphology on the Green Strength of Uniaxially Pressed Ceramic Compacts S. AYAR, H. GORTER, R.A. TERSPTRA Uretim Degiskenlerinin W (% 92.5)-Ni (% 5.25)-Fe (% 2.25) Agir Ala imlarimn Yogunluk, Sertlik ve Mikroyapilari Uzerine Etkisi 731 The Effect of Processing Variables on Density,Hardness and Microstructure of W (92.5 %)-Ni (5.25 %)-Fe (2.25 %) Heavy Alloy S. EROGLU, N.C. BiRLA, T. BAYKARA Toz Metalurjisi Yontemleriyle Geli tirilen 90W7Ni 3 Fe Agir Alasimlarinin Sivi Faz Sinterleme Surec.leri ve Karakterizasyonu 739 The Liquid Phase Sintering Processes of 90W7Ni 3 Fe Heavy Alloys T. SULAN, G. ERNAS, B. OZKAL, L. G VII