Casting defects, inspection and testing of castings. Ttt diagram metallurgy metals free 30day trial scribd. Chapter 10 phase transformations university of tennessee. Software engineering lecture series on software engineering by prof. Binary systems have two components, ternary systems three, and so on. Lecture notes physical metallurgy materials science. Phase diagrams in materials science and engineering.
Nptel courses in engineering, science, management, humanities and social sciences. The equilibrium constitution is the state of lowest gibbs free energy g, for a given composition, temperature and pressure. Divided into three parts, this book lays emphasis on explaining the logic and physics. Nov 18, 20 ttt diagram on the other hand, ttt diagram is a more practical diagram. Why engineering in k12 realworld engineering applications and examples concretize complex math and science concepts students are engaged in experiential learning students creativity is challenged, developed, and enhanced students soft skills in communication and teamwork are developed students are better equipped for collegelevel. Nptel mechanical engineering fluid mechanics video introduction and. Ttt diagram for hypoeutectoid steel n p t1 te 87 88. Ttt diagram and cct diagram hardenability measurement, annealing normalising hardening and tempering heat treatment furnaces atmospheres. Ttt diagram on the other hand, ttt diagram is a more practical diagram.
Thank you iesgs team for sharing this course within a reasonable price. Almost all materials have more than one phase in them. Nptel transportation engineering nptel video lectures. The introduction to engineering course is scheduled for completion in the freshman year and is intended to provide an introduction to engineering analysis andor design. Materials science and engineering department materials science and engineering, national institute of technology, tiruchirappalli 620 015. Courses introduction to materials science and engineering. These citations are provided at the end of the page for further reading. The mission of nptel is to enhance the quality of engineering education in the country by providing free online courseware. Material science and engineering dvd media storage type.
This course is used to administratively advise students entering the engineering technology program. At the nose temperature fine pearlite and upper bainite form. Created by the best teachers and used by over 51,00,000 students. Department materials science and engineering, national institute of technology, tiruchirappalli 620 015. Nptel video lectures, iit video lectures online, nptel youtube lectures. Phase diagrams in materials science and engineering dvd. Free download engineering ebooks pdf ppt lecture notes. Phase diagrams in materials science and engineering dvd media storage type. Module 24 iron carbon system ii lecture 24 iron carbon system ii 1 nptel phase ii. Nptel syllabus principles of physical metallurgy video course. Ironcarbon equilibrium diagram, ttt curves, heat treatment of metals, melting furnaces recent developments in casting.
Ttt diagram t time ttemperature ttransformation diagram is a plot of temperature versus the logarithm of time for a steel alloy of definite composition. Ttt time temperature transformation and cct continuous cooling transformation diagrams. Transportation engineering video lectures, transportation engineering course videos, nptel transportation engineering, transportation engineering video classes, transportation engineering online videos, civil engineering video lectures, nptel video lectur. At the completion of this course, students should be able to 1. Phase diagrams in materials science and engineering video. It is used to determine when transformations begin and end for an isothermal constant temperature heat treatment of a previously austenitized alloy. This is a core course for both we and me specializations in mme numerical aperture, limit of resolution, depth of field and depth of focus lens defects and. Data communication nptel online videos, courses iit.
An example of a commonly used phase diagram is the ironcarbon phase diagram, which is used to understand the phases present in steel. Apr 29, 2016 ttt diagram for hypoeutectoid steel n p t1 te 87 88. I have registered to your iesgs eclasses video lectures. Some lectures were also accompanied by handouts containing images from textbooks and other sources. Lec1 introduction to railway engineering lecture series on transportation engineering ii by dr. Phase diagrams are important for materials science and engineering applications encompassing from structural materials to functional materials, including electronic, magnetic applications. A phase diagram or equilibrium diagram is a diagram with t and composition as axes, showing the equilibrium constitution. Lecture 4 transmission impairments and channel capacity. This is a core course for both we and me specializations in mme numerical aperture, limit of resolution, depth of field and depth of focus. Theory of fusion and pressure welding, flow and distribution of heat in welding, weldability, welding of various materials, non conventional welding processes. School of engineering and technology department of mechanical. Mod01 lec23 ironcarbon phase diagram tutorial of principles of physical metallurgy course by prof r.
An alloy in this state shows no tendency to change it is thermodynamically. Time temperature transformation ttt diagrams phase. School of engineering and technology department of. Tech 201516 regulations k l university department of mechanical engineering manufacturing science and technology course code. Transformation diagrams cct diagrams are generally more appropriate for engineering applications as components are cooled air cooled. Courses by discipline courses by coordinating institute find courses. Introduction to engineering course college of engineering. The course is intended to make the students and research familiarize with binary and ternary phase diagrams and microstructure of different materials. Ttt diagram chemical product engineering materials science.
Data communication lecture series on data communication by prof. For a temperature between t2 and te say tm not melting point just a label we land up with. Data communication nptel online videos, courses iit video. Basic mechanical engineering covers a wide range of topics and engineering concepts that are required to be learnt as in any undergraduate engineering course. K l university department of mechanical engineering material.
Book description basic mechanical engineering covers a wide range of topics and engineering concepts that are required to be learnt as in any undergraduate engineering course. K l university department of mechanical engineering. Introduction to materials science and engineering 35,019 views. Raghavan, fifth edition, prentice hall of india pvt. For a temperature between t2 and te say tm not melting point just a. Engineering technology et introduction to engineering. You have dealt with concepts that are indepth and can be easily understood by a graduate in any engineering branch. Ttt diagram free download as powerpoint presentation. Explain pearlitic, banitic and martensitic transformation kinetics and mechanism. The amount of carbon present in an ironcarbon alloy, in weight percent, is plotted on the xaxis and temperature is plotted on the yaxis. Under revision these elements influence the effectiveness of different modes of transport and their utility to users. Latin root, ingeniere, to design or to devise engineering is design under constraint v device, component, subsystem, system such as airplane engine air conditioner heart valve skyscraper microcontroller prosthetics bridge. Code course of study l t p c ma 6 engineering mathematics 3 0 0 3 mt 601 physical metallurgy 3 0 0 3.
Lecture notes mit opencourseware free online course materials. Iron graphite phase diagram, morphology of graphite in cast iron, grey cast iron, malleable cast iron, nodular cast iron, mechanical properties of iron. The phase diagram of an alloy made of components a and b, for all combinations of t and x b, defines the ab system. Divided into three parts, this book lays emphasis on explaining the logic and physics of critical problems to develop analytical skills in students. Introduction to materials science, chapter 10, phase transformations in metals university of tennessee, dept. If a eutectoid steel is quenched avoiding the nose of the ttt curve to a.
At high temperature while underlooling is low form coarse pearlite. Tech 201516 regulations k l university department of mechanical engineering kinematics and dynamics of machines course code. The dimension of vehicles, its capacity and type are some of the factors, which influence the selection of a transport system for movement of goods from one place to the other. Te t2 ttt diagram for hypereutectoid steel similar to the hypoeutectoid case, hypereutectoid compositions c2 have a. Ttt diagram stands for timetemperaturetransformation diagram.
Nptel transportation engineering nptel engineering video. Therefore ttt diagram consists of different isopercentage lines of which 1%, 50% and 99% transformation lines are shown in the diagram. Lecture 102 ttt diagram of hypoeutectoid and hypereutectoid steels lecture 103 ttt diagram of alloy steel lecture 104 hardenability of steels lecture 105 glass ceramics lecture 106 tensile test lecture 107 plastic deformation and crystal structure nptel video lecture topic list created by linuxpert systems, chennai. It shows what structures can be expected after various rates of cooling. Pal, department of computer science engineering,iit kharagpur. Thus, each vertical dashed line, like the solid line in fig. Course curriculum jaypee university of engineering and. Teach yourself phase diagrams and phase transformations.
Nptel provides elearning through online web and video courses in engineering, science and humanities streams. Method of plotting, types of ttt diagram, critical cooling rate, effect of alloying elements on ttt diagram, applications, continuous cooling transformation diagram. Nptel video lecture topic list created by linuxpert. Introduction to engineering technology provides an introduction to the careers, philosophies, and industries related to engineering technology. School of engineering and technology department of mechanical engineering year. Nptel gate courses for civil engineering online video lecture. Rajat rastogi, department of civil engineering, iit roorkee. Understand transformation on heating, effect of alloying and grain size. Department of computer science engineering,iit kharagpur. Each region, or phase field, within a phase diagram indicates the phase. Electrical, electronics and communications engineering.
Mod01 lec23 ironcarbon phase diagram video lecture by. Software engineering nptel online videos, courses iit. Lecture 1 introduction and course outline data communication. Ghosh, dept of metallurgical and materials engineering keywords.
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