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Now showing items 1-20 of 364

BIO-MATERIAL: HYDROXYAPATITE COATING ON STAINLESS STEEL

AHMED, IRFAN (SCME, NUST, Islamabad, 2007)

Hydroxyapatite (HA) is a basic calcium phosphate (Ca10(PO4)6 (OH)2) mineral. Commercially available (HA) is similar in structure to the mineral phase of bone and therefore holds greatpromise as a biomaterial because it has ...
EVALUATION AND ELIMINATION OF DEFECTS IN GLASS TO METAL SEALING USED IN AEROSPACE APPLICATIONS

KAKAKHEL, SYED ARIF ALI SHAH (SCME, NUST, Islamabad, 2008)

Glass-to-metal seals are used in a variety of applications specifically in the field of medical, military, consumer products, aerospace and aviation etc. These seals are composed of various alloying metals and different ...
Sol-Gel Synthesis of Nanocrystalline Titanium Dioxide (TiO2) at Different pH Values and Temperatures.

Iqbal, Shahid (SCME,NUST, 2008)

The applications and unique properties of TiO2 depend upon the method of synthesis. The sol-gel wet chemistry route provides control over particle size and morphology by using simple reaction conditions with simple ...
SYNTHESIS AND CHARACTERIZATION OF NOVEL OXIDIZER FOR COMPOSITE PROPELLANTS

Zaman, Tariq (SCME,NUST, 2008-06)

Enhanced performance of propellants and explosives is the most sought-after attribute for ambitious research progress in the field of high energy materials. Defense and space sector priorities have always kept research ...
PROCESSING AND FERROELECTRIC PROPERTIES OF Pb0.91Sr0.09(Zr0.53Ti0.47)O3 CERAMICS

Khalid, Muhammad (SCME,NUST, 2008-07)

Lead Zirconate Titanate (PZT) with formulae Pb0.91Sr0.09(Zr0.53 Ti0.47)O3 was prepared by conventional mixed oxide route with an objective to achieve dense piezoelectric sintered components exhibiting adequate properties ...
ONE DIMENSIONAL MODELING AND SIMULATION OF HEAT AND MASS TRANSFER IN MEMBRANE OF POLYMER ELECTROLYTE MEMBRANE FUEL CELL

khan, Afrasyab (SCME,NUST, 2008-09)

A transient, one-dimensional heat and mass transfer model in membrane of a proton exchange membrane fuel cell, is presented. The role of the membrane is to transport protons from the anode to cathode of the fuel cell while ...
synthesis and characterization of carbon nanotubes (CNTs) by catalytic chemical vapor deposition (CVD) technique

Khaliq, Jibran (SCME, NUST, Islamabad, 2009)

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SYNTHESIS & MECHANICAL PROPERTIES EVALUATION OF EPDM BASED ABLATIVE COMPOSITES

MUHAMMAD, ARSHAD BASHIR (SCME-NUST, 2009)

Ablative materials are heat shielding, protective materials which are used in aerospace industry to protect inner hardware and sensitive devices. It is required to develop light weight material with high modulus. EPDM ...
Study of Vertical Two Phase Air/Water System Using Eulerian Model of Fluent

Waheed, Abdul (SCME,NUST, 2009)

Annular flow is the configuration of gas/liquid flow in which some of the liquid travels as a film on the channel walls and the rest is carried as drops by the gas in the center of the channel. The fraction of liquid ...
Tunability of Physical Properties of Zn1-xCuxSe Nano Crystalline Thin Films With Copper Concentration and Ion Beam Analysis by Rutherford Backscattering Spectroscopy

Arslan, Muhammad (SCME,NUST, 2009)

The accurate composition and concentration depth information of the as-deposited and annealed Zn1-xCuxSe films were recorded by Rutherford backscattering spectroscopy (RBS) technique. The films were grown on simple glass ...
FABRICATION AND CHARACTERIZATION OF GROUP II-VI SEMICONDUCTOR THIN FILMS

FAROOQ, MUHAMMAD UMER (SCME,NUST, 2009)

ZnTe thin films were fabricated using Close Space Sublimation (CSS) technique. ZnTe films (as deposited, annealed and doped) were fabricated under vacuum on transparent glass slides. Structural, morphological, optical and ...
Azobenzene functionalized block copolymers for switchable drug delivery system

Javed, Chaudhary Omer (SCME,NUST, 2009)

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Epoxy/Nanotube Composites with Different Loadings of Pristine & Functionalized Multiwalled Carbon Nanotubes for Improvement in Mechanical and Thermo-Mechanical Properties

Asad, Hameed (SCME NUST, 2009)

Multiwalled carbon nanotubes (MWCNTs) have been area of great interest, for researchers and scientists world over. The CNTs show unmatched properties in term of their electronic, mechanical, optical and chemical characteristics, ...
Synthesis & Characterization of Polyurethane Structural Material for Aerospace

Ali, Syed Sarim (SCME,NUST, 2009-03)

A Polyurethane based aerospace structural material has been synthesized and investigated / interpreted through advanced characterization techniques i.e Attenuated Total Reflection Infrared Spectroscopy (ATRIR ), Fourier ...
Hot drawing & characterization of ultra high molecular weight polyethylene (UHMWPE) fibers for use in armor composities

Mahmood, Sultan (SCME,NUST, 2009-05)
Processing & Characterization of PZT Thin Films Through Sol-Gel Process

Javaid, Farhan (SCME,NUST, 2009-06)

The present work is based upon processing & characterization of Lead Zirconate Titanate powder / thin films through sol-gel process. Lead acetate tri-hydrate, zirconium n-propoxide and titanium iso-propoxide are used as ...
Self-assembled coatings of stimuli responsive switchable polymeric materials

Ali, Syed Junaid (SCME,NUST, 2009-06)

Self-assembled coatings of stimuli responsive switchable polymeric materials
SYNTHESIS, POST-DEPOSITION TREATMENT, AND CHARACTERIZATION OF NICKEL-PHOSPHORUS THIN FILMS USING ELECTROLESS DEPOSITION TECHNIQUE

SHEHBAZ, TAUHEED (SCME,NUST, 2009-06)

The utilization of Electroless Nickel-Phosphorus (EN) films has witnessed a staggering increase over the last two decades. Many outstanding characteristics of EN deposition technique have generated tremendous interest in ...
DEVELOPMENT OF NANOSTRUCTURED MATERIALS FOR SOLAR CELL APPLICATIONS

JAVED, SOFIA (SCME, NUST, Islamabad, 2010)

The present work is based on the synthesis of nanostructures of wide band gap semiconductor material “titania” using sol gel refluxing method for the application in dye sensitized solar cells (DSSC). The precursor Titanium ...
EFFECTS OF CONCENTRATION OF NANO HYDROXYAPATITE ON BONE SCAFFOLD

AHMED, ARSALAN (SCME-NUST, 2010)

Many materials are currently in use to repair or replace bone that has been damaged due to trauma or disease, such as large bone tumors, defects, fractures, and non-unions. These include a variety of biomaterials based ...

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