Morphology and Crystallography of Sub-Blocks in Ultra-Low Carbon Lath Martensite Steel
2009 年 50 巻 8 号 p. 1919-1923
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2009 年 50 巻 8 号 p. 1919-1923
The morphology and crystallography of sub-blocks in lath martensite were studied in an interstitial free steel. In each block the sub-blocks are classified into dominant and minor sub-blocks in terms of the volume fraction. The orientation relationship between the dominant and minor sub-blocks is [011]α′/10.5 degrees. Minor sub-blocks have a plate-like morphology and are connected to each other with the habit plane close to {111}γ, and their growth directions close to ⟨10\\bar1⟩γ.
