Tag Archives | Austenite

Retained Austenite: Meaning and Transformation | Steel | Metallurgy

In this article we will discuss about:- 1. Meaning of Retained Austenite 2. Advantages and Disadvantages of Retained Austenite 3. Methods for Transformation. Meaning of Retained Austenite: Austenite transforms to martensite between Ms and Mf temperatures as it is essentially an athermal trans­formation. However, this transformation never goes to completion, i.e. 100% martensite (Mf temperature line is illustrated as dotted [...]

By |2017-10-24T05:51:40+05:30October 24, 2017|Steel|Comments Off on Retained Austenite: Meaning and Transformation | Steel | Metallurgy
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Time Temperature Transformation (TTT) of Austenite | Metallurgy

In this article we will discuss about:- 1. Introduction to Time Temperature Transformation of Austenite 2. Types of Transformation 3. Types 4. Factors Effecting TTT Curves. Introduction to Time Temperature Transformation of Austenite: To appreciate the character of transformation of austenite, and the phases obtained, Davenport and Bain first introduced the isothermal transformation approach, and showed that by studying the [...]

By |2017-10-24T05:51:34+05:30October 24, 2017|Steel|Comments Off on Time Temperature Transformation (TTT) of Austenite | Metallurgy
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Bainite: Morphology and Characteristics | Steel | Metallurgy

In this article we will discuss about:- 1. Introduction to Bainite 2. Morphology of Bainite 3. Crystallography 4. Characteristics 5. Reaction 6. Applications. Contents: Introduction to Bainite Morphology of Bainite Crystallography of Bainite   Characteristics of Bainite Kinetics of Bainite Reaction Applications of Bainitic Steels 1. Introduction to Bainite: In 1930, Davenport and Bain were the first to report about bainite [...]

By |2017-10-24T05:51:34+05:30October 24, 2017|Bainite|Comments Off on Bainite: Morphology and Characteristics | Steel | Metallurgy
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Pearlite: Morphology, Crystallography and Effects | Steel | Metallurgy

In this article we will discuss about:- 1. Introduction to Pearlite 2. Morphology of Pearlite 3. Hull-Mehl Model 4. Experimental Characteristics 5. Diffusion of Carbon during Pearlitic Growth 6. Interlamellar Spacing, S0 7. Crystallography  8. Effects of Pearlite on Properties of Steels. Contents: Introduction to Pearlite  Morphology of Pearlite Hull-Mehl Model Nature of Nucleus in Pearlite Experimental Characteristics of Transformation [...]

By |2017-10-24T05:51:33+05:30October 24, 2017|Pearlite|Comments Off on Pearlite: Morphology, Crystallography and Effects | Steel | Metallurgy
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