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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.1
- 수록면
- 1,181 - 1,185 (5page)
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The reverse transformation of the strain-induced martensite phase (α') to the austenite phase (γ) is studied in lightly and heavily cold-drawn 316 L stainless steel fibers using thermomagnetic analysis. The transformation mechanisms of the two types of fiber are different. A three-region reverse transformation process for α' to γ during the heating process in the two types of fiber is established. Throughout the reverse process, the transformation is dominated by a diffusion-controlled mechanism for the two types of fiber.
Shear reversion occurs for the lightly cold-drawn 316 L fiber in region II. A shoulder appears in the TMA curve at around 625 °C for the heavily colddrawn 316 L fiber Transformations of existing α' and reformed α' via the diffusion-controlled and shear mechanisms occur in the temperature range of 625-640°C for the heavily cold-drawn 316L fiber. The transformation is attributed to the reformed α' containing low Nieq content, which retards the reverse transformation of the phase via shear mechanisms until around 625°C.
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