Effect of Austenite Grain Size on the Morphology and Crystallography of Lath Martensite in Low Carbon Steels

By S. Morito, H. Saito, T. Ogawa, T. Furuhara, T. Maki. 2005

297 citations recorded by the source corpus.

The crystallography, microstructure and mechanical property of as-quenched martensite of Fe-0.2C-Mn(-V) alloys of which the prior austenite grain sizes are 370-2 μm were studied. The prior austenite grain, whose size is larger than 28 μm, is divided by several packets. Those packets are subdivided by blocks containing sub-blocks, each of which corresponds to the Kurdjumov-Sachs variant. When the prior austenite grain size is about 2 μm, one packet tends to grow predominantly. Each packet is divided by blocks containing sub-blocks.

Subfields: Materials Chemistry, Mechanical Engineering, Mechanics of Materials

View Paper: https://www.semanticscholar.org/paper/395c499f75a23928a4bbcc29e70688bb222a32f2

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In Materials Chemistry

1. M. Santofimia
2. J. Sietsma
3. C. Celada-Casero

In Mechanical Engineering

1. M. Santofimia
2. J. Sietsma
3. C. Celada-Casero

In Mechanics of Materials

1. M. Santofimia
2. J. Sietsma

Citations in the corpus

• The role of the austenite grain size in the martensitic transformation in low carbon steels (2019, background): “30 martensite fraction, the plastic strain accumulated in the surrounding γ–pockets appears to exert a higher resistance against the progress of the transformation and the rate slows down [40,41,43].”