In this article we will discuss about the welding of metals:- 1. What is Welding? 2. Principles of Solid Phase Welding 3. Principles of Fusion (Liquid State) Welding 4. Weld Defects and Inspection. What is Welding?: Unlike the manufacturing processes employed to produce a single component, the joining processes are used to assemble different members to yield the desired complex configuration. [...]
In this article we will discuss about the electric discharge machining (EDM):- 1. Introduction to Electric Discharge Machining (EDM) 2. Mechanics of EDM 3. EDM Circuits and Working Principles (With Diagram) 4. Surface Finish and Machining Accuracy 5. Role of Tool Electrode and Dielectric Fluids in EDM 6. Effects of EDM on Metal Surfaces 7. Characteristics. Contents: Introduction to Electric [...]
In this article we will discuss about the electrochemical machining (ECM):- 1. Meaning and Working of Electrochemical Machining (ECM) 2. Electrochemistry of ECM Process 3. Kinematics and Dynamics 4. Effects of Heat and H2 Bubble Generation 5. Effect of ECM on Surface Finish 6. Tool Design of ECM 7. Electrolytes Used 8. Electrochemical Machining Plant 9. Effects of ECM on [...]
This article throws light upon the nine types of metal joining processes. The types are:- 1. Solid Phase Welding at Elevated Temperature 2. Arc Welding 3. Resistance Welding 4. Gas Welding 5. Thermite Welding 6. Ultrasonic Welding 7. Electron Beam Welding 8. Laser Beam Welding 9. Explosive Welding. Types and Classification of Metal Joining Processes # 1. Solid Phase Welding [...]
In this article we will discuss about the solidification of metals:- 1. Mechanism of Solidification 2. Rate of Solidification 3. Solidification of a Large Casting in an Insulating Mould 4. Solidification with Predominant Interface Resistance 5. Solidification with Constant Casting Surface Temperature 6. Solidification with Predominant Resistance in Mould and Solidified Metal. Contents: Mechanism of Solidification Rate of Solidification Solidification [...]
In this article we will discuss about the principles of joining processes. The principles are:- 1. Soldering and Brazing and 2. Adhesive Bonding. The processes, namely, brazing, soldering, and adhesive bonding are grouped under solid / liquid state welding. The physical phenomena associated with each of these processes are essentially the same, and differ mainly in the metallurgical aspects. In [...]
In this article we will discuss about the manufacturing and mechanical properties of engineering materials. Learn about:- 1. Structure of Matter 2. Metals and Alloys 3. Deformation and Mechanical Properties. Manufacturing and Mechanical Properties of Engineering Materials Structure of Matter: The properties of a material are intimately connected to its basic molecular structure. Some knowledge of this structure is therefore [...]
In this article we will discuss about the manufacturing process types. The types are:- 1. Micro Manufacturing 2. Generative Manufacturing Processes 3. Self-Assembly. Manufacturing Process Type # 1. Micro Manufacturing: Silicon technology and extension of that form an important component of micro manufacturing, there are other varieties of processes used to produce micro components. It should also be remembered that [...]
In this article we will discuss about the metal forming processes: 1. Types of metal forming processes 2. Classification of metal forming processes 3. Techniques of metal forming processes. And also the below mentioned article provides a lecture note on metal forming processes. In doing so, we shall show how- (i) The work load can be estimated from the knowledge [...]
In this article we will discuss about the mechanics of machining operation. And also learn about:- 1. Mechanism of Chip Formation 2. Mechanics of Chip Formation 3. Heat Generation and Cutting Tool Temperature 4. Failure of Cutting Tool and Tool Wear 5. Cutting Tool Materials 6. Tool Life and Machinability and 7. Cutting Fluids. Before we start our discussion on [...]