ADVANCEDMATERIALS-97

UNIVERSITATSBIBLIOTHEKHANNOVER

TECHNISCHEINFORMATIONSBIBLIOTHEK

EDITORSDR. M. AFZAL KHANDR. ANWAR UL HAQDR. KHALID HUSSAINDR. A.Q. KHAN

Organized and Published by:

Dr. A.Q. Khan Research Laboratories Kahuta, Pakistan

C O N T E N T L I S T

COMPOSITES, CERAMICS AND GLASSES

INVITED PAPERS:

HIGH STRAIN RATE COMPRESSION BEHAVIOR OF EPOCAST 36 RESIN 1H. Mahfuz, B.A. Gama, U.K. Vaidya, A. ul. Haque and S. Jeelani.

METAL MATRIX COMPOSITES - A REVIEW 10R. Kossowsky

CONTRIBUTORY PAPERS:

DEVELOPMENT OF PARTICLE REINFORCED METAL-MATRIX 21COMPOSITES (MMC) USING LIQUID METALLURGY TECHNIQUEM.S. Salim, M.I. Qureshi and M. Mujahid

A STUDY OF COMPOUNDING PROCESS OF METAL MATRIX 27COMPOSITES SUSPENSIONSF. Ahmad and M.J. Bevis

AN INVESTIGATION OF FLOW PROPERTIES OF METAL MATRIX 32COMPOSITES SUSPENSIONS FOR INJECTION MOULDINGF. Ahmad and M.J. Bevis

CORROSION OF Al-Li-SiC METAL MATRIX COMPOSITE DURING 40ANODIZING IN PHOSPHORIC ACID ELECTROLYTEM. Shahid and G.E. Thompson

SAMPLE PREPARATION TECHNIQUE FOR TRANSMISSION ELECTRON 45MICROSCOPY OF ANODIZED Al-Li-SiC METAL MATRIX COMPOSITEM. Shahid and G.E. Thompson

ALUMINIUM NITRIDE-MOLYBDENUM CERAMIC MATRIX COMPOSITES: 49INFLUENCE OF MOLYBDENUM ADDITION ON THE MECHANICALPROPERTIESiA.A. Khan and J.C. Labbe

INTERFACIAL ASPECTS IN THE PRODUCTION OF ADVANCED VISCOE- 57LASTIC COMPOSITESM.B. Khan

THE INFLUENCE OF DOUBLE NESTED LAYER WAVINESS ON COMPRE- 66SSION STRENGTH OF CARBON FIBER COMPOSITE MATERIALSZ.M. Khan

PREPARATION OF POLY (TRIMETHYLHEXAMETHYLENE TEREPHTHA- 73ALAMIDE)- ZIRCONIA NANO-COMPOSITES

M.I. Sarwar and Z. Ahmad

MECHANICAL AND THERMAL PROPERTIES OF PVC COMPOSITES 78K.M. Asif, M.I. Sarwar and Z. Ahmad

LASER QUALITY CONTROL OF CONVENTIONAL AND COMPOSITE 83MATERIALS: SOME PRACTICAL CASESM.M. Gualini

PROCESSING AND SINTERING OF ULTRAFINE ZIRCONIA AND 92MAGNESIA STABILIZED ZIRCONIA CERAMIC POWDERS BYSPRAY, PYROLYSISJ. Akhtar, S.K. Durrani, N.A. Chughtai and K.A. Shahid

PROPERTIES OF ALUMINA-SILICA FIBERS PRODUCED BY 96STEAM BLOWING TECHNOLOGYN.N. Trofimov, V.E. Hazanov and V.R. Gumen

STRUCTURAL BEHAVIOUR OF NITROGEN IN OXIDE CERAMICS 103K.M. Ghauri

INVESTIGATIONS ON Ca/Sr/ Ba-STANNATES, MSnO3 AS SMART 110MATERIALSA.M. Azad

MATERIALS AND CERAMICS ON THE BASE OF ALUMINIUM TITANATE 118D. Gulamova

CHARACTERIZATION OF CERAMIC-REINFORCED EPOXY-BASED 123COMPOSITE MATERIALSA. Quddos, M. Shahid and S. Zulfiqar

STUDY OF A NEW CaO-SiO2-P2O5-CaF2 BIO ACTIVE GLASS CERAMIC 127A. Shamim, I. Arif, W.A. Shah and S.A. Siddiqi

SYNTHESIS AND ELECTROPHYSICAL PROPERTIES OF CARBAZOLITE 131CONTAINED POLYMER COMPLEXESKfc.S. Karimov, Kh.M. Akhmedov and R. Marupov

EFFECT OF ErF3 AND HoF3 ON THE CRYSTALLISATION KINETICS 135OF AIF3-BASED GLASSESA.N. Kayani, T. Iqbal, M.N. Khan and M.R. Shahriari

EFFECT OF PROCESSING ON THE UV EDGE AND THE OPTICAL 139ENERGY GAP OF A1F3-BASED GLASSESM. Khizar, T. Iqbal, M.N. Khan and M.R. Shahriari

HEAT TREATMENT ON METAL EXCHANGED ZEOLITE-4A SAMPLES 143AND THEIR PROPERTIES USING TG AND DTAM. Afzal, G.Yasmeen, M. Saleem, P.K. Butt, S.T. Hussain and A.K. Khattak

SUPERCONDUCTORS AND SEMICONDUCTORS

INVITED PAPERS:

ON THE THERMODYNAMICS OF HTS: THE COUPLING OF THE SUP- 148ERCONDUCTING TO ONE OR TWO STRUCTURAL PHASE TRANSITIONSSTRONGLY ENHANCES Tc

E.L. Haase

OVERVIEW OF HIGH Tc SUPERCONDUCTORS AND FUTURE 168STRATEGIESM.N. Khan

CONTRIBUTORY PAPERS:

SYSTEMATIC STUDIES OF THERMO POWER BEHAVIOUR IN 2223 BI 179SMUTH SUPERCONDUCTORS.M.M.R. Naqvi, S.D.H. Rizvi, S. Rizvi and S.M. Raza

PREPARATION AND CHARACTERIZATION OF SELENIUM DOPED Bi- 1832223 SUPERCONDUCTORJ.A.A. Khan, R. Shaheen, F. Zafar, S.A. Siddiqi and A. Aslam

STRUCTURE, KINETICS AND PHYSICAL PROPERTIES OF (Bi,.xCux) 187Sr2 YCu2Oy SYSTEMM.N. Khan, A.N Kayani, A. Memon and A. ul Haq

EFFECTS OF METAL OXIDES ON BiSrCaCuO GLASS CERAMIC 191SUPERCONDUCTORSA. Memon, M. N. Khan, M. Khizar and D. B. Tanner

SUPERCONDUCTIVITY IN Bi,6Pb04Sr2Ca2Cu2+xOy(x=2.0,2.5) SYSTEM 196M.A. Rehman, M. Maqsood, Z. Akbar, N. Ahmed, Z. ul Haqand A. Maqsood

ANNEALING EFFECTS ON THE FORMATION OF HIGH Tc PHASE IN 200Pb-BSCCO SYSTEMA.H. Qureshi and F.R. Sale

SINTERING EFFECT ON Bi(Pb)-Sr-Ca-Cu-O HIGH-TC SUPERCOND- 205UCTORSM.A. Rehman, M. Maqsood, N. Ahmed, A. Maqsood and A. ul Haq

EFFECT OF CRUCIBLE SURFACE AND COOLING RATES ON MELT 211-TEXTURED YBCOM.M. Asim and S.K. Hasanain

IMPEDANCE MEASUREMENTS ON YBa2 Cu3 O7.s INTERPRETATI- 216ON AND TRAPPING PARAMETERSS. Yasmeen, M. Mohammad, A.Y. Khan and M.S. Subhani

SUPPRESSION OF SUPERCONDUCTIVITY IN GdPr-123 SYSTEM 222M. Akhavan and Z. Yamani

PREPARATION OF ALUMINIUM DOPED ZINC OXIDE THIN FILMS 226FOR THE TRANSPARENT CONDUCTING ELECTRODE APPLICATI-ON FOR HYDROGENATED AMORPHOUS SOLAR CELLSM.N. Islam

DOPING, SOLID SOLUTIONS, AND DISSOLUTION OF DIAMOND 232M.S. Saidov and M.Kh. Ashurov

ELECTRICAL AND OPTICAL DEEP LEVEL SPECTROSCOPY ON Os 237DOPED p-InPS. Parveen, N. Zafar, A. Khan, U.S. Qurashi and M.Z. Iqbal

ELECTRICAL AND OPITICAL DEEP LEVEL TRANSIENT SPECTROSCOPY 241OF RADIATION INDUCED DEEP LEVELS IN MOCVD GROW p-InPA. Khan, U.S. Qurashi, N. Zafar, S. Parveen and M.Z. Iqbal

PHOTOLUMINESCENCE STUDY OF ALPHA-IRRADIATED MOCVD 245GROWN n-InPK.M. Khalid, U.S. Qurashi, M.Z. Iqbal and N. Zafar

LIQUID PHASE EPITAXY AND SOME PROPERTIES OF (Ge2),.x(lnP)x, 250(Ge^.^ZnSeX AND (Ge2), x(CdTe)x SOLID SOLUTIONSM.S. Saidov, A.S. Saidov and A.Sh. Razzakov

EFFECT OF ACCEPTOR AND DONOR DOPANTS ON ELECTRICAL 254CONDUCTIVITY OF INDIUM OXIDE TRANSPARENT FILMSS.H(. Keshmiri, M.M.B. Mohagheghi and B. Pakzad

ON'THE OUT-DIFFUSION BEHAVIOR OF THIN LAYERED GaAs 260STRUCTUREM.M. Ahmed and F.A. Khalid

THE TEMPERATURE DEPENDENT ELECTRICAL RESISTIVITY OF 267N i o ^ F e j C r ^ ALLOYA. Hussain, F.A. Khwaja and F. Chaudhry

"SMART" GAS SENSORS FOR MITIGATING ENVIRONMENTS 272A.M. Azad

MAGNETIC AND OPTICAL MATERIALS

CONTRIBUTORY PAPERS:

THE ROLE OF HEAT TREATMENT IN MAGNETIC PARAMETERS 279OF Ba-FERRITE

J. Amighian, M. Mozaffari, A. Dadvand and M.N. Ghaffari

MAGNETIC PROPERTIES AND Y-K ANGLES IN Cu-Zn FERRITES 283M.U. Rana, M. ul Islam, I. Ahmad and T. Abbas

EFFECT OF QUENCH RATE ON THE STRUCTURE AND MAGNETIC 288PROPERTIES OF HIGH COERCIVITY Nd-Fe-B MELT SPUNRIBBONSI. Ahmad, Z. Ahmad, H.A. Davies and R.A. Buckley

THE EFFECT OF Si ADDITION ON THE MICROSTRUCTURE AND HARD 294MAGNETIC PROPERTIES OF Nd-RICH Nd-Fe-B MELT SPUN RIBBONSI. Ahmad, H.A. Davies and R.A. Buckley

CRYSTALLIZATION AND MAGNETIC BEHAVIOUR OF AMORPHOUS 298Fe^Zr,,, ALLOYA. Ashfaq, A. Maqsood and R.G. Saleem

BEHAVIOUR OF COBALT FERRITE IN REDUCING ATMOSPHERE 302A.A. El-Geassy, M.H. Khedr and M.I. Nasr

SYNTHESIZING AND CHARACTERIZATION OF BILAYER FERROFLUIDS 308M. Akhavan and M. Ghominezhad

LOW TEMPERATURE MOSSBAUER SPECTROSCOPY STUDY OF 313THE Fe, xNix ALLOY PREPARED BY CHEMICAL CO-PRECIPITATIONMETHODA.F.D. Lehlooh, M. Abu-Allaban, J.M. Williams and S.H. Mahmood

MOSSBAUER SPECTROSCOPY AND STRUCTURAL STUDIES OF THE 318Tb2Fe17 COMPOUNDA.F.D. Lehlooh, M.S. Lataifeh and S. Mahmoodt

MOSSBAUER SPECTROSCOPY OF Fe3xMnxSi 321S. Mahmood, A.F.D. Lehlooh, A. Saleh and N. Darlington

SYNTHESIS AND CHARACTERIZATION OF TIN DIOXIDE THIN FILMS 324FOR OPTOELECTRONICS AND GAS DETECTION APPLICATIONSB.N. Mukashev, A.M. Mukhitdinov, D.M. Mukhamedshinaand LA. Karapatnitski

OPTICAL AND ELECTROCHROMIC PROPERTIES OF SOL-GEL 328DEPOSITED Ti DOPED VANADIUM OXIDE FILMSN. Ozer and S. Sabuncu

THE INITIAL STAGE OF OXIDATION OF Si(l 11) 7x7 334A.I. Zad and N. Taghavinia

GROWTH AND MORPHOLOGICAL STUDIES OF Cu/Si(lll) THIN FILMS 339A.Z. Moshfegh, M.R. Ahmadi and M. Shafiee

MATERIALS PROCESSING

INVITED PAPERS:

IMPROVING MATERIAL PERFORMANCE AND COMPETITIVENESS 344THROUGH RE-ENGINEERINGM. Sarwar

SURFACE STUDIES ON DUPLEX STAINLESS STEEL 349J.P.G. Fair

CONTRIBUTORY PAPERS:

EFFECT OF GRAIN SIZE AND GRAIN GROWTH ON OXIDATION 356BEHAVIOUR OF ODS ALLOY MA760Z. Lang, N. Hussain and M. Mujahid

ON THE MORPHOLOGY OF HIGH TEMPERATURE OXIDATION IN 360SUPERALLOYSF.A. Khalid, N. Hussain and K.A. Shahid

EFFECT OF ROLLING ON THE HARDENABILITY OF AUSTENTITE 365OF DUAL-PHASE STEELE. Ahmad and R. Priestner

NON-METALLIC INCLUSIONS IN REMELTED MARAGING STEEL 370. S.A. Rizvi, A. Tauqir and I. Salam

INFLUENCE OF COLD DEFORMATION ON TEXTURE IN 378316L-STAINLESS STEELZ. Ahmad, M. Farooque and S.H. Khan

TO STUDY THE EFFECT OF VARIOUS MICROSTRUCTURES OF 384STEEL ON THE TRANSITION TEMPERATUREM. Ajmal and S. Ikram

THE EFFECT OF MOLYBDENUM ON THE AUSTENITISATION 387BEHAVIOUR OF STEEL WELDSH.U. Choudhary, M.A. Khan and K.M. Ibrahim

PHASE TRANSFORMATION STUDIES OF A HIGH CHROMIUM, HIGH 392CARBON STAINLESS STEELM. Ali, M.I. Qureshi and M. Mujahid

GRAIN GROWTH IN ALUMINIUM 398I.M. Ghauri, M.Z. Butt and A. ul Haq

CLUSTERING OF VACANCIES IN COPPER 401Noorullah, J.I. Akhter and K. Yaldram

COMPARISON OF HARDNESS AND MICROSTRUCTURE OF TWO 405Al-Zn-Mg ALLOYSM. Iqbal, M.A. Shaikh, M. Ahmad and K.A. Shoaib

DEVELOPMENT AND EVALUATION OF LEAD-FREE Sn-Bi 410SOLDER ALLOYSM.I. Qureshi, M. Mujahid and U. Manzoor

DENDRITIC SHAPE OF PRECIPITATES OBSERVED IN THE SOLID 414STATE TRANSFORMATIONM.S. Ahmed, S.W. Husain and I. Qamar

INJECTION MOULDING OF METAL POWDERS 419M.Y. Anwar, H.A. Davies, P.F. Messer and B. Ellis

FLOW FORMING OF Al-Zn ALLOY 7075 423G. Abbas, M. Jahangir and M. Rafique

EFFECT OF HEAT TREATMENT ON HIGH STRENGTH ALUMINUM 430SILICON ALLOYM. Hussain, S. Alam, M.A. Hassan, M.A. Sheikh, M. Zahid and F.A. Malik

PREPARATION AND CHARACTERIZATION OF UNIFORMLY 435DISPERSED POWDERS OF INORGANIC COMPOUNDSI. ul Haq and K. Akhtar

INTERACTION OF LASER PULSES WITH NONLINEAR MATERIALS 440T. Khurshid and R.J. Potton

RIDGE-WAVEGUIDE AlGaAs HETEROSTRUCTURE LASER FOR 445SINGLE-MODE OPERATIONM. Oskoie and H. Faripoor

PREPARATION AND CHARACTERIZATION OF CENTROSYMMETRIC 449DDQs CHARGE- TRANSFER COMPLEXESM.B. Zaman, J. Toyoda, Y. Morita, H. Yamochi, G. Saito and K. Nakasuji

BORON CONTENT DETERMINATION IN STEEL BY SOLID STATE 454NUCLEAR TRACK DETECTION TECHNIQUEM. Akram, N.U. Khattak, A.A. Qureshi, K. Mehmood,F. Ur Rehman and H.A. Khan

A MECHANISTIC STUDY OF THE FISCHER-TROPSCH SYNTHESIS 460R. Quyoum, H.C. Long, M.L. Turner and P.M. Maitlis

RELIABILITY AND LIFE PREDICTION

INVITED PAPERS:

RELIABILITY CHARACTERISTICS OF SOME METAL FORMING 463TOOLSA.K. Sheikh, and M. Younas

CORROSION AND WEAR RESISTANT TERNARY Cr-C-N COATINGS 478DEPOSITED BY THE ARC PVD PROCESS FOR MACHINING TOOLSAND MACHINING PARTSO. Knotek, E. Lugscheider, H. Zimmerann and K. Bobzin

THE HYDRAULIC BULGE TESTER IN FRACTURE STUDIES 486

A.G. Atkins

CONTRIBUTORY PAPERS:

ON THE FRACTURE MECHANICS OF METALS UNDER HYDROSTATIC 500BULGINGY.A.H. Mashal and A.G. AtkinsROLE OF MICROSTRUCTURE AND SEGREGATION ON THE FRACTURE 507AND BEHAVIOUR OF TUNGSTEN ALLOYSM.R. Bhatti and F.A. Khalid

FATIGUE DAMAGAE CHARACTERIZATION IN PLAIN-WEAVE CARBON- 512CARBON FABRIC REINFORCED PLASTIC COMPOSITEZ;. Khan, F.S. Al-Sulaiman and J.K. Farooqi

i

A LOW ALLOY SINTERED-HEAT TREATED STEEL WITH GOOD 519FATIGUE PROPERTIES AS A SUITABLE MATERIAL FOR RESISTINGCYCLIC STRESSESM. Mazinani and A. Haerian

THE EFFECTS OF MICROSTRUCTURE ON CRACK SHAPES 525AT NOTCHESM. Tasleem, W.J. Evans and P.J. Nicholas

EVALUATION OF METHODS FOR CORRELATING NOTCH 531FATIGUE BEHAVIOURM. Tasleem, W.J. Evans and P.J. Nicholas

LOW CYCLE FATIGUE FRACTURE OF A SINGLE CRYSTAL 537SUPERALLOYM.A. Shaikh, Y.B. Xu and Z.Q. Hu

STRAIN SOFTENING AND HARDENING EFFECTS IN Ti-6A1-4V 542DURING HIGH TEMPERATURE DEFORMATIONA. Salam

COMPARISON OF COMPRESSIVE CREEP CHARACTERISTICS OF 547COMMERCIAL ZINC-BASED ALLOYS NO 3 AND NO 5A.A. Mir and S. Murphy

METAL SHEET BEHAVIOUR IN CONICAL TOOL INDENTATION 552M.N. Malik, A. Naeem, M.A. Khan, A. ul Haq and A.G. Atkins

METALLOGRAPHY OF THE INDENTED ALUMINIUM SHEET FRACTURE 559SURFACESM.A. Khan, S. Qaisar, A. ul Haq and A.G. Atkins

AN INVESTIGATION INTO THE MICROSTRUCTURE AND 566MECHANICAL PROPERTIES OF CENTRIFUGALLY ANDCONVENTIONAL CASTINGS OF COMPLEX AL-BRONZESM. Zahid, S. Alam, M. A. Hassan, M.A. Sheikh, F.A. Malikand M. Hussain

AN INVESTIGATION INTO SOME MECHANICAL AND 569METALLURGICAL PROPERTIES OF STAINLESS STEELREINFORCED ALUMINUM ALLOY POWDER COMPACTSN.R. Chitkara and A. Vagionitis

EFFECTS OF STRESS WAVE PROPAGATION IN CONICAL RODS 576A.I.O. Zaid

APPLICATION OF ACOUSTIC EMISSION FOR REAL-TIME 582NONDESTRUCTIVE TESTING OF CRITICAL STRUCTURESM*.A. Khan, H.U. Choudhary and K.M. Ibrahim

USE OF LIQUID PHASE SINTERING IN PRODUCTION OF A 589NEW HIGH ALLOY STEEL WITH GOOD WEAR PROPERTIESM. Mazinani, A. Haerian, M. Ghambary and A. Arvand

MEASUREMENT OF THE GROWTH KINETICS OF CRACKS IN A 593BAINITIC NPP PRESSURE VESSEL STEEL UNDER STRESS CORROSIONCRACKING CONDITIONSM. Ruscak, A. Brozova, S. ur Rahman and P. Chvatal

INFLUENCE OF SURFACE TREATMENT ON THE CREVICE 601CORROSION OF SUPER DUPLEX STAINLESS STEELH. Malik

MATHEMATICAL MODELING AND SIMULATION

CONTRIBUTORY PAPERS:

MATHEMATICAL MODEL OF MATERIAL BRIDGE TRANSFER 605IN ELECTRICAL CONTACTSS.N. Kharin, Q.K. Ghori and M. Usman

MATHEMATICAL MODELLING OF DENSIFICATION DURING FINAL 616STAGE OF VISCOUS FLOW SINTERING IN CERAMICSA. Monshi

MATHEMATICAL MODEL TO PREDICT THE STRENGTH IN 621PRECIPITATION HARDENINGF.S. Qureshi, A.K. Sheikh and M. Rashid

NUMERICAL SIMULATION OF DUCTILE FRACTURE UNDER 626PLANAR IMPACT USING A VOID NUCLEATION AND GROWTH MODELM. Waheed

NUMERICAL SIMULATION OF PLATE IMPACT TEST 630M. Waheed

NUMERICAL INVESTIGATION OF DEFORMATION OF A MISSILE 634CONE UNDER AERODYNAMIC AND GRAVITATIONAL LOADINGST.M. Shah, M. Tariq and LA. Khan

NUMERICAL ANALYSIS FOR THE DYNAMIC RESPONSE OF AN HPT/LD 639OPTOELECTRONIC INTEGRATED DEVICEV. Ahamdi and M.H. Sheikhi

COMPUTER SIMULATION STUDIES OF IONIC SOLIDS BY EMPLOYING 645STATIC MODELLING TECHNIQUESM.J. Akhtar

COMPUTER SIMULATION TO REDUCE SHRINKAGE CAVITY IN CASTINGS 652A.I. Bhatti, M.B. Bhatti, A. Butt and A. Tauqir

STOCHASTIC SIMULATION TECHNIQUES FOR DIFFUSION IN MATERIALS 658Z.U. Koreshi and M.N. Akhtar

QUENCHED AND ANNEALED PERCOLATION IN A TWO DIMENSIONAL 665SITE DILUTE BINARY ALLOYG.K. Khalil, K. Yaldram and A. Sadiq

CORRELATION BETWEEN METALLURGICAL PROPERTIES AND 671DEBYE-WALLER THERMAL PARAMETER OF CUBIC CRYSTALSM.Z. Butt and U. ul- Kalsoom

MOLECULAR DYNAMICS STUDY OF TEMPERATURE DEPENDENCE 675OF SELF-DIFFUSION COEFFICIENT IN PALLADIUMJ.I. Akhter and K. Yaldram

CONVERGENCE BEHAVIOUR OF SIMULATED ANNEALING ALGORITHM 679FOR RANDOM TOPOLOGY OF PRODUCTIVE CONTOURS FORMED ATTHE MACHINE TOOLSW.A. Khan and N.H. Tirmizi

SURFACE MODIFICATIONS AND COATINGS

CONTRIBUTORY PAPERS:

MICROSTRUCTURAL CHARACTERIZATION OF TiN AND Al, O3 683COATINGSF.A. Khalid, R.A Choudhery and M.R. Bhatti

EFFECT OF PROCESS PARAMETERS ON THE CHARACTERISTICS OF 688Ti2N COATINGZ. Iqbal, A. Rauf, A. Ali, M. Mujahid, A. ul Haq and A.Q. Khan

DEVELOPMENT OF HIGH PERFORMANCE TRIBO-MATERIALS BY LASER 694AND PLASMA HYBRID SPRAYING TECHNIQUES. Alam, S. Sasaki, H. Shimura, and Y. Kawakami

LASER SURFACE MODIFICATION OF NICKEL BASE ALLOYS 700S. Sadiq

STUDY OF IMPORTANT CHARACTERISTICS OF GaAs-AlxGalxAs DH 705jLASER WITH ZnS ANTIREFLECTION COATINGM.Z. Arif, I. Ahmad, S. Ashraf and M.A. Khan

TEXTURES DEVELOPED IN AN ELECTRON BEAM RAPIDLY SOLIDFIED 710STEELZ. Ahmad, I. Salam, A. Tauqir and A. ul Haq

THE EFFECT OF SURFACE MELTING AND NITRIDING ON THE WEAR 716BEHAVIOR OF A TITANIUM ALLOYT.I. Khan and M. Labudovic

REACTIVE METAL BRAZING OF CERIA TO AN ODS STEEL 721IN THE FABRICATION OF A NOVEL OXIDE FUEL CELLA. Al-Badri, T.I. Khan and P. Xiao

EFFECT OF BASE METAL MICROSTRUCTURE ON PHOSPHATING OF 726ENGINEERING COMPONENTSP.H. Siddiqui, M. Khalid, A. Ali and A. ul Haq

SURFACE MODIFICATION OF ACTIVATED CHARCOAL BY HEAT 732TREATMENTH. Tahir, M. Afzal, M. Saleem and S.T. Hussain

EFFECT OF HEAT TREATMENT ON THE SURFACE PROPERTIES 738OF ZEOLITE-3AH. Tahir, M. Afzal, M. Saleem, P.K. Butt, S.T. Hussain and H. Ahmed

INVESTIGATION OF THE EFFECT OF SHOT PEENING PARAMETERS 744ON PEENING INTENSITYA.I.O. Zaid and M.A.A. Medraj

ANALYSING CORROSION RATE OF THE SUBMARINE MATERIAL 750A. Ijazi R. Uzzman, A.A. Kazmi and M.M.A. Khan