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| FORMATION MECHANISM OF BUTTERFLY MARTENSITE |
| by GONG Hai (Dalian Institute of Railway); GU Nanju (Hebei Technological Institute; Shijiazhuang)(Manuscript received 28; February;1986) |
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Cite this article:
by GONG Hai (Dalian Institute of Railway); GU Nanju (Hebei Technological Institute; Shijiazhuang)(Manuscript received 28; February;1986). FORMATION MECHANISM OF BUTTERFLY MARTENSITE. Acta Metall Sin, 1987, 23(5): 374-379.
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Abstract The butterfly martensite formed in T12A, GCr18Mo, CrMn and 25Cr2Ni-4WA (carburized) steels have been examined using optical microscopy and TEM. It was found that the mid-rib of butterfly martensite is a thin plate martensite and the formation of butterfly martensite is not a continuous process, but rather a compound one consisting of some separated stages. In the initial stage, the crossed or kinked thin plate martensite forms, and then it grows toward cross-range into the butterfly martensite with or without tail.
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Received: 18 May 1987
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7 Tamura I. Proc of ICOMAT-76, Kobe(Japan), 1976: 5 |
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