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Quick Facts

Medium Of Instructions	Mode Of Learning	Mode Of Delivery
English	Self Study	Video and Text Based

Course Overview

The ‘Joining Technologies for metals’ online course is about the process of joining metals which is a significant part of several manufacturing industries. This training course on metal joining technologies is a National Program for Technology Enhanced Learning Program(NPTEL) online certification course designed and conducted by the Indian Institute of Technology(IIT) Roorkee. The NPTEL course is provided for the students pursuing production engineering or mechanical engineering courses on the Swayam education platform.

This online certification course curriculum consists of eight modules divided into forty presentations which will take eight weeks for the students to complete the course. This faculty development program on joining metals is instructed by Prof. D K Dwivedi from the department of mechanical and industrial engineering. This AICTE approved program is a core course for engineering students that will enable them to gain two credit points after course completion.

The ‘Joining Technologies for metals’ training program is categorized under the domain of mechanical engineering and materials joining division.

The Highlights

Online mode
Eight weeks course
Free training program
IIT Roorkee faculty
Two credits
Core course
AICTE approved
Course completion certificate
NPTEL and IIT Roorkee logo on certificate

Programme Offerings

Course Modules
Presentations
videos
Lectures
Books
references
Weekly Assignments
Final Exam
Course completion certificate
Two Credits
Free course access

Courses and Certificate Fees

Fees Informations	Certificate Availability	Certificate Providing Authority
INR 1000	yes	IIT Roorkee

The students of the ‘Joining Technologies for metals’ training course are provided with free access to the course but are required to pay for the exam registration and certificate.

Joining Technologies for metals fee structure

Description	Amount in INR
Course Fee	Nil
Exam Fee	Rs 1000

Eligibility Criteria

This ‘Joining Technologies for metals’ online certification Course can be enrolled by students of engineering backgrounds but no mandatory prerequisite is required for the course.

Certificate qualifying details

To receive the course completion certificate by Swayam, the students will have to score a minimum average of 10/25 (25%) in the six out of 8 assignments and 30/75 (75%) in the final exam.

What you will learn

Mechanical knowledgeKnowledge of ChemistryKnowledge of electronicsKnowledge of physicsKnowledge of Metallurgy

The industry-based ‘Joining Technologies for metals’ syllabus is designed to provide the students with insights on the metallurgical aspects and technologies associated with the process of welding and joining metals.

The students of this course get familiar with the concepts like the following,

Metallic continuity, fusion deformation, diffusion, and chemical interaction
Concepts and processes involved in fusion welding
solid-liquid attaching techniques
Solid-state joining procedures
Design and application of adhesive joining
Metallurgical attributes of welding
Other problems and challenges in joining technologies for metals.

Who it is for

Mechanical EngineerIndustrial Engineer

The ‘Joining Technologies for metals’ online training is designed for undergraduate and postgraduate level students of mechanical, production, and industrial engineering. The course benefits the professionals like mechanical engineers and production engineers who can enhance their skills based on the domain. General engineering can also acquire industrial training and domain knowledge from this program.

Admission Details

The course admission for the ‘Joining Technologies for metals’ program is done online through the Swayam website.

Step 1: Go to the course page using the following link,

https://onlinecourses.nptel.ac.in/noc21_me82/preview

Step 2: Click on the Register/Sign-In button on the details page.

Step 3: Fill in the necessary details and complete the registration process.

Application Details

The students applying for the ‘Joining Technologies for metals’ online program are required to enter the details such as name, phone number, and email address on the registration form or can choose to log in to the course using their Google or Facebook ID.

The Syllabus

Manufacturing and Joining Fundamental Mechanisms of joining
Heat and pressure in joining Classification of joining processes
Heat generation and power density concept in welding Protection of the weld metal approaches
Effect of gases on weld properties

Principle of fusion welding processes
Oxy-fuel gas welding Fundamentals of welding: type of weld, types of joint
Welding position, arc heat generation
Physics of welding arc: arc initiation, maintenance, shielded metal arc welding
Electrode melting rate, effect of electrode polarity and welding parameters
Gas tungsten arc welding: electrode, shielding gases
Introduction of gas metal arc welding

GTAW
Hot wire GTAW
Flux assisted GTAW
Variants of Gas metal arc welding: Pulse GMAW, CMT welding

Brazing Soldering and Braze welding
Fundamentals of resistance welding Resistance welding processes: spot, seam welding
Flash butt welding

Adhesive joining
Welding bonding
Solid state joining technologies: Fundamentals Ultrasonic joining
Diffusion bonding

Explosive welding
Magnetic pulse welding
Weld thermal cycle
Heat affected zone and weld thermal cycle: I
Heat affected zone and weld thermal cycle: II

Solidification of weld metal
Fundamentals of weldability of metals
Weldability of carbon & alloy steels: Fe-C, CCT
Weldability of stainless steels: schaeffler diagram
Metallurgical transformation in weld and heat affected zone of steels

Weldability of aluminium alloys: porosity
HAZ softening
PMZ issues
Solidification cracking and their control
Residual stresses in weld joints: effect on joint performance and control of residual stress
Cracking of welded joints: solidification and liquation cracks
Cracking of welded joint: cold cracking

Evaluation process

The ‘Joining Technologies for metals’ online certification course requires the students to take the final proctored certification exam to become eligible for the certificate.
The exam registration and payment is done online through the website and
The eligible score for the course certificate is a minimum average of 30/75 (75%) in the final exam.