Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Lecture notes on advanced casting and welding acw course code. So, in brief we look at the overview of new iron making technologies and their output. Me 206 manufacturing processes 1 department academic. Cast iron is therefore more highlyrefined than pig iron. To apply the fundamental knowledge for design of a reactor and process flow sheets. Featuring spears manufacturing company labwaste cpvc corrosive waste drainage products. Alternative routes of iron making material pdf download. All chemical engineering electronics and communication materials. Directreduced iron dri, also called sponge iron, is produced from direct reduction of iron ore in the form of lumps, pellets or fines by a reducing gas produced from natural gas or coal. After you align more sequences the alignment works like a profile and you know which columns are to be conserved in a given family this helps in correct alignment of more distant family members.
A linear system is one in which the excitation et is related to the response rt by a linear differential equation read this topic. Jul sept 20 issue 2 endeavors eng i n ee r i ng innovat i on s pg 02 jsw centre mumbai designed as an innovative model of engineering, landscape and sustainable excellence, the jsw centre, is an efficacious attempt at creating modern and functional architecture. Powder metallurgy is can be defined as the process of preparation and process the powdered iron and nonferrous metals are called as powder metallurgy powder metallurgy process. Webb introduces niron, a revolutionary piping system, to. Structural vibration and ways to avoid it dynamic loadings take many forms.
Eight steps to simultaneous engineering a solid game plan can help you avoid pitfalls when you radically change the way you do business even though simultaneous engi neeringse is oneofthe most effective ways to improve manufacturing operations, it cannot be bought or sold. Silicon and aluminum often occur in iron ores as quartz, aluminum silicate clay minerals, or gibbsite. The grande palladium mumbai with a distinctive form, the gms grande palladium. Webb company is announcing an innovative polypropylene pipe and fitting system for commercial, institutional and industrial needs. To develop computational and mathematical abilities. Iron making in blast furnace contents preamble nptel. Weaving, diverging, merging segments weaving one movement must cross the path of another along a length of facility. The relative proportions of these compounds depend on the steel making practice and the steel slag cooling rate. Ghosh,department of metallurgy and material science,iit kharagpur. Expendable mold processes mold is sacrificed to remove part advantage.
The most popular are merging, cloning and extracting pages. Coke making refractoriescoke making refractories tianjin new century refractories co. Ironpdf allows many pdf file editing manipulations. Learning objectives of the course knowledge of various techniques, unit process and operations used in metal extraction and refining. Transportation technology transportation technology provides a way for people, animals, products, and materials to be moved from one place to the next. Archeologists use the term iron age to describe a stage in the technological development of human cultures, not a specific time period. Replica of the part to be cast and is used to prepare the mould cavity. Steel making overview ferrous extraction lecture8 everything metallurgy duration. Aluminium oxide dissolves in sodium hydroxide, whereas, iron iii oxide, silica and titanium iv oxide remain insoluble and are removed by filtration. The reducing gas is a mixture majority of hydrogen h2 and carbon monoxide co which acts as reducing agent. Now, we have not talked much about the we talked about the reaction in the upper zone of the blast furnace in. For example, you are interested in cloning genes that are important for iron transport.
Niron company delivers intensive it solutions including ecommerce, business intelligence, loyalty program, massive open online course mooc and ux solution. Advances in small media milling at one time, the coating manufacturer had few choices at his disposal. Pdf casting is one of most important t and prime process in manufacturing industry. Per capita steel consumption is the index of prosperity of any country. Nonferrous extractive metallurgy nptel online videos. And, this high silicon pig iron upsets the economies of steel making as. Page 2 chemical and mineralogic composition chemical analyses of blastfurnace slags usually show that the four major oxides lime, magnesia, silica and alumina make up about 95% of the total.
Properties and uses of iron and steel slag mf 1826 national slag association. Introduction to stainless steels asm international. The development of iron technology in the mediterranean. Principles of extractive metallurgy rakes h kumar email. The iron impurities oxidize, evolving heat, necessary forthe process. The basic raw material for steel manufacture is either the hot metal from the blast furnace, steel scrap or a mixture of both. Mergers and acquisitions edinburgh business school ix preface an understanding of mergers and acquisitions as a discipline is increasingly important in modern business. Ironmaking and steelmaking metallurgical and materials. So, combine them then you can make a same gas and by using the pressure. The mould is made by packing some readily formed aggregate. Apr 19, 2012 the steel making process in the oxygen converterconsists of. Deciding on the order to merge the alignment you want to make most similar sequences first you are less likely to missalign them. Whether its product, integration or licensing queries, the iron product development team is on hand to support all of your questions. A few reasons are analyzed for the apparition and development of such technologies.
Structural vibration and ways to avoid it beta machinery. A glance at any business newspaper or business news web page will indicate that mergers and acquisitions are big business and are taking place all the time. Sohail parekh joins mobileiron to lead engineering. Nptel provides elearning through online web and video courses various streams. Our pdf merger allows you to quickly combine multiple pdf files into one single pdf document, in just a few clicks. If the coating had to be ground there were stone mills, ball mills and later three roll mills. The nitrogen can come from ammonia gas nitriding, cyanide or cyanate.
Worldwide steel production and indias position in 2011 total steel production of entire world was 1490 mt. The role of metallurgy in enhancing beneficiation in the south african mining industry saleable products. Materials and energy balance in metallurgical processes by prof. The second principle is that discovered by hess 1840. Recent development of ductile cast iron production technology. Ctc is providing the dod with extensive tooling and fixture design, process development, and fabrication. For a given alloy composition, one can obtain a rich and diverse. Dynamic loadings can be replaced by static loadings when their frequency content is low compared to the natural frequency of the structure on which they are applied. In nature, metals generally occur either in free form or in combined form. Cast iron i phase diagrams in materials science and engineering. In this process, nitrogen is diffused into the substrate. Production of stainless steels is a twostage process involving the melting of scrap and ferroalloys in an electricarc furnace eaf followed by refining by argon oxygen decarburization aod to adjust the carbon content and remove impurities. Lecture notes on veer surendra sai university of technology.
Iron age cultures used iron extensively for tools and weapons, rather than relying on earlier technologies such as stone or bronze. Making its debut domestically after more than 30 years in wide use outside of north america. Mini steel plant sector mainly produces steel through electric arc furnace using scrap, pig iron and sponge iron. The milled powders are annealed in hydrogen atmosphere to make them soft mg powder electrodeposition from a. Niron products are manufactured in compliance with the astm f2389, the csa b 7. This is the final part of the process and the one most people associate with foundries. Transfer inovacii 222012 2012 183 regula alan closely linked with the introduction of metallurgical vasko. The product is pig iron, used in foundries to make a variety of castings such as car engine blocks, and parts for light and heavy machinery. The properties and other features of the various components make the niron system a valid alternative to traditional material used in plumbing installations. The total capacity of steel production is 1819 million tons per annum. Mobl, the secure foundation for modern work, announced today that sohail parekh has been appointed senior vice president of engineering. In the private sector essar, ispat, jindal and tisco are the main producers with the total capacity of 12 million tons per annum.
Desulfurization of steel free download as powerpoint presentation. Unsubscribe from phase diagrams in materials science and engineering. One reason steels and cast iron alloys find such wideranging applications and dominate industrial metal production is because of how they respond to thermal processing, or heat treatment. Scribd is the worlds largest social reading and publishing site. Metal casting processes indian institute of technology. Steel can be described in general terms as iron with most of the carbon removed, to make it tougher and more ductile. Material and heat balance in roasting of chalcopyrite ore. So, this x mole of carbon and this reaction and if you combine what you get it fe. Major impurity elements in iron ore that can affect the quality of iron produced in a blast furnace and the efficiency of blast furnace ironmaking are silicon, aluminum, phosphorus, and sulfur. The carbon content of cast iron ranges from about 2% to 4% and it is the form that the carbon takes in the structure which has a major influence on the properties and subsequent applications of the material.
These factors make this process most suitable for mass production. It was found that when cer tain combinations of metals were milled to. Somewhat later tin was deliberately alloyed tages of powderblending without encoun tering the difficulties associated with ultra fine powders. Ironmaking and steelmaking theory and practice and sponge iron production by direct reduction of iron oxide both published by phi learning, new delhi as well as two other books entitled beyond the blast furnace and metallics for steelmaking production and use besides a number of monographs on. Blast furnace iron making is an example in which both unit processes that is reduction of iron oxide and smelting to separate liquid pig iron.
It was first produced by the chinese, dating back to the 6th century bc. The iron powder deposits are subsequently pulverized by milling in hammer mill. This component of the microstructure is known as ferrite. Be able to understand basic layout of blast furnace, steelmaking shop and continuous casting process. Metallurgy and material science steel making nptel. To develop computational and mathematical abilities to be applied for process design and control. Pdf zusammenfugen pdfdateien online kostenlos zu kombinieren. Pig iron is usually remelted and suitably treated to make castings. It is the physical model of the casting used to make the mould.
Acknowledgments i would like to thank my lord and savior jesus christ for giving me the opportunity to share his word through this book. Generally, low reactive metals shows little affinity towards air, moisture, carbon dioxide or other non metals present in nature. Illposed problems do not bode well for learning tasks because the outcome of a learning algorithm in. Flight airplane, rocket, space shuttle land train, subway, automobile, bicycle water commercial, cruise ships nonvehicle conveyor belts, pipelines. Difference between gray cast iron and ductile cast iron cast ironisbasicallya ferrousalloymade frompigiron, containing 2 to 4 percent carbon. We are applying our rich history in metals and metal processing solutions and making a multiyear commitment to explore how to best use additive manufacturing with a wide range of metal alloys. Sampling and temperature measurement tapping the steel to a ladle. Webb introduces niron, a revolutionary piping system, to the u.
Apr 30, 2015 its the iron fe in the hemoglobin molecule to which o2 actually attaches and enables it to be transported in the blood. The predominant compounds are dicalcium silicate, tricalcium silicate, dicalcium ferrite, merwinite, calcium aluminate, calciummagnesium iron oxide, and some free lime and free magnesia mgo. A very small amount of the carbon is dissolved in the pure iron matrix. Magicquadrantfor mobiledevice managementsoftware byphillip redman,john girard,terrence cosgrove,andmonica basso may 23, 20 this magic quadrant graphic was published by gartner, inc. Permanent mold processes mold is made of metal and can be used to make many castings.
Salzgitter the process shown above is illustrative only and is not designed to show the steelmaking process in detail. The event study method estimates the markets expected consequence of the merger and the markets inferred motive behind the merger, and has the advantage of providing an independent view of the expected outcome of the merger. The proportions of material used vary according to the process and the type of steel required. This section basically explains the system function in detail. Mergers and acquisitions edinburgh business school. List of key products for specifications and technical visit our website data are available on request. Material balance in coke making material balance in cupola. Download pdf of alternative routes of iron making material offline reading, offline notes, free download in app, engineering class handwritten notes, exam notes, previous year questions, pdf. National institute of technology tiruchirappalli dept. Such metals may remain in elemental or native free state in nature. Notes on engineering research and development, vol. Difference of gray cast iron and ductile cast iron 1. Koria,department of material science and engineering,iit kanpur. The due date for submitting this assignment has passed.
Metallurgical engineering industrial production of iron ore ebook download pdf metallurgical engineering. Blast furnace ironmaking an overview sciencedirect topics. Steel making and iron making problems discussion youtube. Fundamentals of iron and steelmaking 39 equal to its heat of formation, but of opposite sign. Direct reduction scrap ladle refining electric arc furnace steelmaking iron ore pellets electric arc furnace steelmaking continuous casting design by cover photo. Technical specifi cation technische spezifi kation specifi cations techniques specifi che tecniche especifi caciones tecnicas power supply spannungsversorgung. Achieved by treating the valuable minerals that have been liberated and separated using. The development of iron technology in the mediterranean bronze age contents. Carbon system is capable of creating any desired property by altering the. The paper presents few aspects concerning the implementation of alternative iron making technologies in romania.
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