ME 3210 Woodruff School of Mechanical Engineering Georgia Institute of Technology Design‚ Materials‚ and Manufacture 1st Midterm Examination Fall 2013 Note that multiple choices do NOT offer partial credits; check your calculations carefully. 1. Epoxy has density of 1.25 g/cm3 and elastic modulus of 4 GPa while Kevlar–49 has density of 1.5 g/cm3 and elastic modulus of 120 GPa. If a kelvar-49-reinforced epoxy composite is to have a transverse elastic modulus of 6.5 GPa‚ what should
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CHAPTER 2 Forging Processes: Variables and Descriptions Manas Shirgaokar 2.1 Introduction In forging‚ an initially simple part—a billet‚ for example—is plastically deformed between two tools (or dies) to obtain the desired final configuration. Thus‚ a simple part geometry is transformed into a complex one‚ whereby the tools “store” the desired geometry and impart pressure on the deforming material through the tool/material interface. Forging processes usually produce little or no scrap
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• Legibility Counters: open and wide. x-height: high (61%)‚ especially for a serif typeface. Width and weight: Compared with other serif typefaces‚ Garamond is relatively a narrow (103%) and light (18%‚ 7%) type‚ which likely contributes to its being so eco-friendly when printed. The result is that it fit more letters on a page and the page will still look light. Distinctions: the original Garamond was created using a brush‚ and this is apparent in letterforms. It is easy to see there is a great
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Abstract The present study‚ considering Barium strontium titanate due to its important applications in the electronic device as the piezoelectric material due to excellent performance as sensing and actuation. Barium strontium titanate nanocrystalline ceramic have been synthesized from mechanical alloying of commercially available BaCO3‚ SrCO3 and TiO2 by high energy ball milling. This method has produced nano-sized particles as well as highly reactive surface‚ can cause structural relaxation of
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| MATERIALS &MANUFACTURING PROCESSES | OF ROVER K SERIES ENGINE | | | | Summary The aim of this report is to investigate the materials and manufacturing processes involved in the making of specific components found in a Rover K series engine. The analysis consisted of two engine strip sessions where we were able to see the components first hand by doing this we were able to apply our limited existing knowledge of materials to begin to understand the choices made in designing
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On the right in Figure 27 shown the power density spectral of noise measurements at low frequencies‚ from 1 Hz to 14 Hz and used commercial resistance of 1 kΩ to compare 2 different current generators. The curves in red color correspond KEITHLEY 2400 series and the curves in black color correspond to the ADRET current generator. The KEITHLEY generator slightly lower noise than ADRET generator. However‚ theoretically the differential measure with correct polarization can suppress this kind of noise
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1. What personal & professional strengths do you have that you can use and build on to create helping relationships with your clients? In thinking about my professional and personal strengths‚ I feel that my ability to be genuine and empathetic with people regardless of the situation at hand is one of my greatest strengths. Along with this‚ I believe that my non-judgmental approach with people allows me to quickly build rapport which in turn allows me to further establish a helping relationship
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The chemical element copper‚ with Atomic Number 29‚ has been extensively used for thousands of years because of several primary properties that have dictated its use throughout history. Among them we can count durability‚ strength and‚ as a semi-noble metal‚ good resistance to corrosion. With a hardness of 3 on the Mohs scale‚ pure copper is relatively soft and malleable‚ which makes it an easy metal to work with. Analyses of artefacts from lithic civilizations have shown that native copper had not
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Strengths Finder 2.0 Report | Maria Godfrey | | 31/03/2011 | Table of Contents Your Top 5 Themes: 3 What’s in This Guide? 3 Section I: Awareness 3 Section II: Application 3 Section III: Achievement 3 Section I: Awareness 4 Restorative 4 Learner 5 Ideation 6 Individualization 7 Activator 8 Questions 9 Section II: 10 Application 10 Restorative 10 Learner 11 Ideation 12 Individualization 13 Activator 14 Section III: 15 Achievement 15 Restorative sounds
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According to [73-75] when bifunctional ligands with two donors atoms are used‚ the gold atom will bind to these ligands through the atom with the higher donor strength according to the sequence Si~P> C > S >Cl> N > O > F. In other words‚ the two bifunctional are coordinated to gold through the P and S atoms but not N‚ since P and S are better soft donor than N [76]. Additionally‚ the gold is often described as
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