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