1.0 INTRODUCTION: AISI 304L austenitic stainless steel is widely used as engineering materials due to its high strength and good corrosion resistance properties. However‚ AISI 304L stainless steel undergoes extensive wear and erosion when applied as components in aggressive environments such as petro- chemical and marine atmosphere [1]. Solid particle erosion is defined as the progressive loss of material from a solid surface due to mechanical interaction between the surface and some fluid entrained
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Explosive Welding-Rough Draft The development of explosive welding was first recognized by Garl in 1944. But it was not recognized in the United States until 1957 when it was observed by Philipchuck that metal sheets that were being explosively formed would occasionally stick to other metals. Over the decades the process has been developed fully with large applications in the manufacturing industry. Explosive welding is a solid-phase process where welding is accomplished by accelerating one of
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ASSIENMENT [2] METAL FORMING REVIEW QUESTIONS 1- What are the differences between bulk deformation processes and sheet metal processes? Answer. In bulk deformation‚ the shape changes are significant‚ and the work parts have a low area-to-volume ratio. In sheet metal processes‚ the area-to-volume ratio is high. 2- Extrusion is a fundamental shaping process. Describe it. Answer. Extrusion is a compression process in which the work material is forced to flow through a die orifice‚ thereby forcing
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Scandium is the 21st element on the periodic table. This element can be located in the 4th period 3rd . The symbol for Scandium is Sc on the periodic table. Scandium is used for and is in many things. For example it is used to help grow crops such as corn‚ peas‚ and other seed grown plants. There are many protons and neutrons in Scandium. There are 21 protons‚ 24 neutrons‚ and 21 electrons. Scandium is also used in tracking devices. Scandium was discovered in Sweden 1879‚ by Lars Fredrick Nilson
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Report on Zinc deficiencies Zinc deficiency is the inadequate amount of zinc in the body to meet its demands. Zinc is vital to the body functions such as‚ a healthy immune system and wrongdiagnosis.com states is best known for minimizing the effects of the common cold or upper respiratory infections. It can enhance the functions of the liver‚ muscles and bones. Other functions of zinc in the body are to wound heals; aid enzyme activity; DNA production and cell division. When there is an insufficient
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The Demise of Steel Manufacturing The steel industry had an enormous impact on Industrial America. During the Second Industrial Revolution‚ America also witnessed a substantial incursion of immigrants. The downfall of the steel industry left many people it had once given an opportunity for employment on the unemployment line‚ and facing destitution. The conditions and terrible wages factory workers were forced to endure if they wished to be employed was and still is outrageous‚ how negligence‚ poor
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The Man in the Iron Mask A.P. Euro In the Man in the Iron Mask Hollywood uses characters from Alexandre Dumas’ D’Artagnan Romances‚ and is very loosely portrays Louis IIV’s reign as ruthless leader. The movie attempts to explain the mystery of the Man in the Iron Mask‚ using a plot that depicts the man in the mask as Loius XIV’s twin brother Philippe. Much historical fiction can be found as the director loosely interprets Louis XIV’s reign. Louis XIV in real life
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Courtney Cox Word count 510 Ruling with the Iron Fist According to an Africa saying “it takes a village to raise a child.” In Judy Sheindlin’s essay “Enough is Enough” she says the only way juveniles will reform is harsh punishment for first time offenders. In contrast Mercer Sullivan’s article “Mapping the streets of crime” he says that the “low-income neighborhoods” (Newsweek‚ p.23) influence juveniles to go down a path of crime. If the neighborhood is pushing it inhabitants into a
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In order to avoid questions about why one child is deemed to be a ruler over another‚ Socrates creates a myth that says all people were born from the earth. There are three types of people that were created from the earth: iron and bronze‚ silver‚ and gold. An iron and bronze person is full of appetitive desires‚ such as food‚ drink‚ or sex. These types of people are the farmers and craftsmen in a city. A silver person can be ruled by a spirited desire‚ or have the potential to be spirited. This
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WELDING OF CAST IRON Cast iron is an extremely versatile material‚ used in thousands of industrial products. It is hard‚ wearresistant‚ and relatively inexpensive. Like steel‚ it is available in many different grades and compositions. While we usually think of cast iron as being brittle (having low ductility)‚ this is not true of all cast irons‚ as we shall see shortly. Cast iron‚ like steel‚ is an iron-carbon alloy. In composition and structure‚ and in some of its properties‚ it is quite different
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