NUST Institutions Library Catalogue Search for 'kw,wrdl: (su-br:"material testing")'

Manufacturing Engineering and Technology /

By Kalpakjian, Serope,. Upper Saddle River, NJ : Prentice Hall, 2001 . xx, 1148 p. : 26 cm.. 0201361310

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Manufacturing Engineering and Technology /

By Kalpakjian, Serope,. New York : Prentice Hall, 2010 . xxiv, 1176 p. : 26 cm.. 9788177581706

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Robots, Reasoning, and Reification /

By Gunderson, James P.. 9781441946805

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Power equipment engine technology /

By Abdo, Edward.. Clifton Park, NY : Delmar/Cengage Learning, 2011 . 1 online resource (xii, 398 pages) : , Includes index. 9781418053888

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Metals handbook. 9.ed. Vol-2: Properties and selection. Nonferrous alloys and pure metals

By Benjamin, David. Metals Park, Ohio : American Society for Metals, 1979 . 870 p. : , Includes Index http://www.amazon.com/Properties-Selection-Nonferrous-Alloys-Handbook/dp/0871700085/ref=sr_1_1?s=books&ie=UTF8&qid=1413185122&sr=1-1&keywords=0871700085 29 cm.. 0871700085

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Metals handbook : Vol-1 properties and selection: Irons and steel

By Bruce P. Bardes. Metals Park, Ohio : American Society for Metals, 1978 . 816 p.. : , Includes Index http://www.amazon.com/Metals-Handbook-Vol-Properties-Selection-/dp/0871700077/ref=sr_1_1?s=books&ie=UTF8&qid=1413202358&sr=1-1&keywords=0871700077 29 cm.. 0871700077

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Annual editions : entrepreneurship, 5/e /

By Price, Robert.. [S.l.] : McGraw-Hill/Dushkin, 2005 . 224 p. ; 28 cm.. 0073528358 (paperback) | 9780073528359 (paperback)

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Annual editions : marketing 06/07 /

By Richardson, John E.. [S.l.] : McGraw-Hill/Dushkin, 2005 . 224 p. ; 28 cm.. 0073528366 (paperback) | 9780073528366 (paperback)

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Hot and cold water supply /

By Garrett, R. H.. Chichester, West Sussex, U.K. ; | Ames, Iowa : Wiley-Blackwell, 2008 . x, 411 p. : , Includes index 25 cm.. 9781405130028 (pbk. : alk. paper) | 1405130024 (pbk. : alk. paper)

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Ceramics for environmental and energy applications II : a collection of papers presented at the 10th Pacfic Rim Conference on Ceramic and Glass Technology, June 2-6, 2013, Coronado, California /

New Jersey: Wiley, 2014 . ix, 274 pages : , Selected conference papers. 25 cm.. 9781118771242 | 1118771249

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Photoelectrochemistry, Photocatalysis and Photoreactors Fundamentals and Developments /

By Schiavello, Mario.. Dordecht: D. reidel publishing compony, 1984 9789401577250 | 9789048184149 (print)

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Encyclopedia of materials characterization : surfaces, interfaces, thin films /

By C. Richard Brundle . Boston : | Greenwich, CT : Butterworth-Heinemann ; | Manning, 1992 . xix, 751 p. : 25 cm.. 0750691689

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Fundamentals of Materials Science and Engineering \ an integrated approach /

By Callister, William D.,. Hoboken, N.J. : Wiley, 2013 . xxv, 910 p. : , Includes index. 27 cm.. 9781118322697

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Pavement design.

Washington, D.C. : Transportation Research Board, National Research Council, 1987 . vi, 132 p. : 28 cm.. 0309045169 (pbk.) :

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Experimental Analysis of Heat Flux Variation in a Brick Using Eutectic Phase Change Materials /

By ALI TAJ, SAMAD . . 48p. ; 30cm..

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Study the effect of shallow cryogenic treatment on mechanical and microstructural properties of 30CrMnSiA steel heat treated in vacuum furnace and Box Type conventional air furnace /

By Aslam, Muhammad Danyal . . 50p. , Heat treatment plays a major role in improving the material properties. With the addition of cryogenic treatment these properties can be further improved. In this paper heat treatment is carried out on low carbon low alloy structural steel in two different types of furnaces conventional box type air furnace and vacuum furnace along with shallow cryogenic treatment with the purpose to investigate the outcome of shallow cryogenic treatment on the material properties and to find out which type of furnace is more suitable with shallow cryogenic treatment. For this purpose, structural steel 30CrMnSiA was selected, and heat treatment was carried out in conventional box type air furnace (900°C × 40mins) and vacuum furnaces (900°C × 70mins), shallow cryogenic treatment (-75°C × 125mins) was carried out after the quenching and before tempering. For the physical properties of the material, hardness (HRC) was investigated using Brinell hardness tester HBD-62-5AP. Tensile samples were prepared as per ASTM E8/E8M and investigated using 100kN WAW-100B Electro-Hydraulic Servo Computer Control Universal Testing Machine. Impact toughness was measured by using electronic pendulum impact testing machine CBD-300 and specimens were prepared using ASTM standard E23-12c. Microstructural analysis for grain structure was carried out using Olympus DSX1000 optical microscope. 30cm.

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Development of Reinforced Metal Tubing for Vascular Applications /

By Arshad, Aimen . . 53p , Coronary artery diseases remain one of the leading causes of mortality, with the incidence of death rate being 20% in Pakistan. The disease causes deposition of plaque on the lumen of the blood vessels that narrow the coronary arteries (blood) hindering the blood flow to the heart and rest of the tissues. The treatment procedure of the disease involves delivering the expandable device (balloon/stent) to the target region. Guide catheters plays a crucial role for the advancement of these treatment devices (stent/balloon). Guide catheters are hollow tubular structures of 100-110 cm in length, which are required to provide support, and facilitate the delivery of the stent/balloon at the target region. The guide catheter is made to enter the body via the wrist/femoral artery. From here, it traverses all the way to the heart while passing through blood vessels of varying diameter, and a tortuous anatomy of the body. In fact, the pathway of the guide catheter is not a straight, rather a curved path. It is important for the guide catheter to have certain mechanical characteristics to reach the heart without causing any vascular trauma. The performance of the guide catheter heavily relies on its braided shaft, and the outer jacket. Spontaneous movement of the catheter due to its instability, coronary dissections due to a high push force, and arterial spasms resulting from the friction are a few common problems of guide catheters used commercially. The current research is focused on catering these challenges by optimizing the pitch of the braided shaft and jacketing the shaft with a polymer unique to commercial catheters. In order to find the best guide catheter to meet the challenges presented in the literature, three guide catheters of varying pitch were designed, and coated with a polyimide jacket material. The protypes were tested for performance under mechanical, and physically testing and the candidate performing the best was selected. The guide catheter that performed the best in providing the longitudinal stiffness, reducing the friction, and decreasing the push force was chosen, and bench tested. 30cm.

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Development Of Novel Diagnostic Angiographic Catheter, Evaluation of Its Efficacy, Precision, And Ease of Application /

By Inam, Hafsa . . 220p. , Cardiovascular diseases are a leading cause of death globally, accounting for approximately onethird of all deaths. The prevalence of coronary disease continues to rise, resulting in increased mortality rates and escalating healthcare costs. The gold standard for diagnosing coronary blockages and recommending therapeutic interventions is angiography. Currently, braided reinforced shafts are the most common construction material for catheters used in angiographic procedures. However, recent research has focused on the development of laser-cut reinforced shaft catheters. The aim of this study was to assess the potential usage of laser-cut reinforced shaft-based angiographic catheters for coronary angiographic procedures by analyzing their design, performance, and behaviour. The commercially available state-of-the-art angiographic catheters comprise of braidedreinforced shafts, while the laser-cut reinforced shaft technique has never been used to develop angiographic catheters despite its potential to reduce the wall thickness and consequently the profile of the catheters without compromising pushability and flexibility. Therefore, the objective of this study was twofold: (I) designing and manufacturing a laser-cut metallic reinforced shaft in a novel way and (II) configuring this novel laser-cut metallic shaft as a lasercut reinforced angiography catheter to improve the existing state-of-the-art (braided catheter) by reducing profile (wall-thickness), enhancing flow rate, flexural and tensile strength, and decreasing pushability force required. The developed laser-cut angiographic catheter (having an outer diameter of 2.00 mm) has a wall thickness of 0.2 mm which is approximately 33% less than that of the commercially available braided catheters (having a wall thickness of 0.3mm). Furthermore, the pushability force analysis results prove that laser-cut reinforced shaft catheter exerts a minimal resistive force (625g) which is approximately 1/3rd times less than that of the braided catheter. Needless to mention that the novel Laser-cut catheter exhibits 2x more tensile strength than the commercially available braided catheter. The fabrication route employed in this study also increased the catheter's hydrophilicity (contact angle of 71.3°); as a result, an additional hydrophilic coating is not required. The outcome of the comparative analysis, based on the results obtained from the manufacturing route and bench testing, clearly shows that the laser cutting method is an effective and rapid way of producing flexible, lower-profile reinforced shaft. It is also established that the use of this method to produce flexible lower profile reinforced shaft will overcome the problem of compromised radial strength during a diagnostic procedure xxvii and would help maintain continuous ovality throughout. Therefore, the developed laser-cut reinforced catheter may potentially be used as the next state-of-the-art angiographic catheter after further in vivo and clinical testing. 30cm..

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Design and Development of Toroidal Propeller for Drone Applications /

By Ali, Aarib Irfan . . 182p. , The demand for low-noise and ecient propulsion systems for unmanned aerial vehicles has driven research into unconventional propeller designs. One such promising conguration is the toroidal propeller, which has gained attention for its potential to reduce noise emissions while maintaining or improving aerodynamic performance. The research follows a methodology that begins with an extensive literature review and operating point selection to dene the design requirements and constraints. A validated computational setup was developed using unsteady RANS-based CFD simulations. Several toroidal propeller concepts were initially generated, out of which a baseline model was selected for further study. The baseline design was optimized using a Design of Experiments response surface methodology and obtain an optimized propeller with maximum thrust and reduced noise. Sensitivity analysis was carried out to assess the inuence of individual parameters on thrust, torque, and noise. The optimized design showed signicant improvements in thrust with considerable reduction in noise as compared to initial concepts. Aeroacoustic analysis was also performed to evaluate the noise characteristics of the toroidal conguration. Using broadband noise models, the toroidal propeller demonstrated promising reductions in tonal noise components, making it suitable for operations in noise-sensitive environments. To validate the computational ndings, experimentation validation was also performed. The optimized toroidal propeller was evaluated using ve dierent materials: ABS, PLA, PETG, CF PETG, and an Engineering Resin via Finite Element Analysis. Suitable manufacturing methods were employed and a custom test bench conguration XXII was built to test the propeller thrust and noise. The propeller was tested under controlled conditions for thrust and noise. The experimental results matched closely with the computational results and veried the validity of toroidal propelelr as viable replacement of traditional propellers for UAVs, oering advantages in both thrust and acoustic performance. The toroidal propeller showed higher value of thrust over complete range of RPM and and delivering upto 35% more thrust than traditional propeller at 15,000RPM. In addition, it also had a lower acoustic signature and was 11% quieter than the traditional propeller. The successful integration of computational design, optimization, and experimental validation demonstrates the practical potential of this novel propeller architecture. Furthermore, the research lays a foundation for future work involving transient LES acoustic modeling, in-ight testing, and applicationspecic customization of toroidal designs. 30cm.

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