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采用复变函数方法计算了蝶状马氏体周围的应力场分布.计算结果表明,在蝶状马氏体的凸部存在很强的张应力,而在两翼结合的凹部存在很大的压应力.新的蝶状马氏体容易在张应力处被应变诱发生成,即应变诱发蝶状马氏体多出现在先生成的蝶状马氏体的凸部.但在两翼结合的凹部,即压应力处,也可能诱发新的蝶状马氏体.张应力场诱发的蝶状马氏体的尺寸比压应力场诱发的蝶状马氏体大.在一串自促发蝶状马氏体中,第2个蝶状马氏体多在第1个蝶状马氏体凸部大约2μm处出现.以上计算结果与实验观察符合较好.
The stress field distribution around the butterfly martensite was calculated by using the complex variable function method. The calculation results show that there is a strong tensile stress on the convex part of the butterfly martensite, while the compressive stress The new butterfly martensite is easily induced by strain at tensile stress, that is, the strain induced butterfly martensite appears in the convex portion of the butterfly martensite which is formed by Mr. Xian.However, Stress may also induce new butterfly martensite.The size of butterfly martensite induced by tensile stress field is larger than that of butterfly martensite induced by compressive stress field.After a series of self-induced butterfly martensite , The second butterfly martensite more than the first butterfly martensite convex about 2μm at the above calculation results in good agreement with the experimental observations.