15WS32T: Metallurgy of Welded Joints Mechanical WS 3rd Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Metallurgy of Welded Joints detail DTE Kar Diploma syllabus for Mechanical Engineering (Welding & Sheet Metal) (WS), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15WS32T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other mechanical ws 3rd sem syllabus for diploma c15 scheme dte karnataka you can visit Mechanical WS 3rd Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for metallurgy of welded joints is as follows.

Pre-requisites:

Knowledge of fundamentals of science, maths & Basic Mechanical Engineering.

Course Objectives:

To introduce the concept of metal crystal structure and metallurgy with the knowledge of weldability & their defects, basics of thermodynamics, laws of thermodynamics, fundamental of measurement, limits, fits tolerance, transducer, comparator, gauges & applied measurement devices.

Course Outcomes:

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Unit I

Metal Crystal Structures: Elements classification by electrolysis, crystal structure, BCC, FCC & HCP, crystal structure defects, Atomic Structure, Atomic bonds and space lattice, Miller indices and dendrites, Cooling curves and heat evolution, Volumetric shrinkage, Ironiron carbide equilibrium diagram.

Unit II

Metallurgy of welding : Introduction to Metallurgy of welding, Heat flow in and around metals, Metallurgical effects of welding, Weld metals solidification, Absorption of gases by welds, Gas – metal reactions, Porosity in welds, Thermal effects of welding on parent metals and its mechanical properties, Grain size control. Heat Treatment and processes – Induction hardening, Flame hardening, Surface Hardening, Carburizing, Nitriding, Annealing, Normalizing, Quenching.

Unit III

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Unit IV

Basic Thermodynamics: Introduction to Thermodynamics, Fundamentals of Thermodynamics, Definition and scope, Microscopic and Macroscopic approaches, few practical applications of Engg thermodynamics, thermodynamic system, types of system, control volume, control surface, Examples. Thermodynamic properties, Intensive and Extensive properties. Thermodynamic state, state point, state diagram, path, process, cyclic and non-cyclic process, quasi-static process, reversible and irreversible process, steady and unsteady flow process, zeroth law of thermodynamics, first law, second law. Enthalpy, Entropy. Carnot cycle, Otto cycle, diesel cycle, Formation Of Steam, Definition Of Saturation Temperature, Wet Steam, Dry Saturation Steam, Super Heated Steam, Dryness Fraction Of Steam, Sensible Heat, Latent Heat, Super Heat, Specific volume of Steam, Bomb calorie meter. Heat transfer, Modes of heat transfer-Conduction, convection and radiation.

Unit V

Mechanical Measurements: Definition of measurement, Ssignificance of measurement, Methods of measurements, Generalized measuring system, Standards of measurements,
Factors in selecting the measuring instruments, Terms applicable to measuring instruments: Precision and Accuracy, Sensitivity , repeatability, Range, Threshold, Hysteresis, calibration, in Measurements: Classification of errors, Systematic and Random error. Introduction to Limit: Maximum limit, Minimum limit, Basic size, Nominal size, Fit: Types of fits-Hole basis and Shaft basis system, Tolerance: Basic terminology, unilateral and bilateral tolerance, Interchangeability and selective assembly.

Unit VI

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Reference Books:

1. Welding principles and practices by Edward R. Bohnart, Mc. Graw Hill Education, 2014.
2. Material science and metallurgy by O. P Khanna, Khanna Publishers
3. Physical Metallurgy ,Vijendra singh.
4. Physical Metallurgy, Principles & Practices, V.Raghavan, PHI, 2006, New Delhi
5. Welding and welding Technology by Richard L Little, Mc. Graw Hill Education
6. Mechanical Metallurgy by George. E.Dieter, Mc. Graw Hill Education
7. Welding processes and technology – Dr. Parmar.R.S
8. Thermal Engineering by R S KURMI,Chand & co.
9. Engineering Thermodynamics by M. Achuthan.
10. Metrology & Measurement by Anand K Bewoor,Vinay kulakarni ,Tata McGraw hill New delhi 2009
11. Metrology & Measurement by Boltan, Tata McGraw hill New delhi
12. Engineering Metrology by R.K.Jain, Khanna Publishers

E- Contents:

1. https://www.youtube.com/watch?v=eHFI-xuZIiQ
2. https://www.youtube.com/watch?v=K8TEPwCE1Ow
3. https://www.youtube.com/watch?v=a6YpJXoADCA
4. https://www.youtube.com/watch?v=dzw5qQo-i4Y
5. https://www.youtube.com/watch?v=fcL86RnyUVk
6. https://www.youtube.com/watch?v=kgD5D0Wzu-c
7. https://www.youtube.com/watch?v=P6NXS4N5iuU
8. https://www.youtube.com/watch?v=jiu9zL 10lIc
9. https://www.youtube.com/watch?v=YB8tGAPqbNA

SUGGESTED LIST OF STUDENT ACTIVITYS

Note: the following activities or similar activities for assessing CIE (IA) for 5 marks (Any one)

1. Make Visit to nearest work shop ,observe the welding and make list of defects
2. Conduct experiment of welded specimen, to evaluate the weld strength of given specimen.

Course Delivery:

• The course will be delivered through lectures and Power point presentations/ Video

Model Question Paper:

(CIE)

1. Define electrolysis process with suitable examples.
2. Explain weld metals solidification process.
3. Explain iron-iron carbide equilibrium diagram. OR Explain crystal structure with a neat sketch.
4. Explain Liquid Penetrant test with a neat sketch. OR Explain tensile test with a neat sketch.

Model Question Paper:

(SEE)

PART A 6×5=30 marks

1. Define BCC, FCC & HCP in crystal structure .
2. State Weldability and mention the weld ability tests.
3. Explain the process of metallurgy of welding.
4. Explain weld ability of cast iron, aluminum and stainless steel.
5. Distinguish between intensive and extensive properties.
6. Explain Otto Cycle with a neat sketch.
7. Define measurement and state the significance of measurement.
8. Explain unilateral and bilateral tolerance.
9. State the characteristics of transducers

PART-B 7×10=70 marks

1. Explain electrolysis process with a neat sketch
2. Explain iron-iron carbide equilibrium diagram.
1. Describe Flame hardening heat treatment process.
2. Describe Nitriding heat treatment process.
1. Explain Liquid Penetrant test with a neat sketch.
2. Describe hot crack, cold crack and hydrogen induced cracks.
1. Distinguish between closed system and open system
2. Explain Carnot cycle with a neat sketch.
1. Define Zeroth law of thermodynamics with example.
2. Differentiate between shaper and planer.
1. Explain dryness fraction and wetness fraction of the steam?.
2. Define conduction, convection and radiation
1. Differentiate direct and indirect comparison methods of measurement.
2. Explain with block diagram of generalized measuring system.
1. Explain systematic and random errors.
2. Explain hole basis and shaft basis with a neat sketch.
1. Describe the working of mechanical reed type comparator with a neat sketch.
2. Explain the principal of plug gauge.
1. Illustrate McLeod Gauge with a neat sketch
2. Explain LVDT with a neat sketch.

For detail syllabus of all other subjects of BE Mechanical Ws, C15 scheme do visit Mechanical Ws 3rd Sem syllabus for C15 scheme.

Dont forget to download iStudy Syllabus App for latest syllabus and results, class timetable and more.