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