These lath martensite first nucleates in parent austenite intergranular and twin boundary.
应变诱发马氏体首先在原奥氏体晶界和孪晶界形核。
When the tensile load is not perpendicular to the twin boundary, the yield stress decreases and the deformation is mainly detwinning.
拉伸载荷与孪晶界不垂直时，屈服应力降低，变形方式则以去孪晶为主。
The researchers observed that a specific type of boundary called a coherent twin boundary (CTB) has a double role in fracture mechanism.
研究人员发现一类被称作共格孪晶界（CTB）的特殊的晶界。
The joining plane of two plates is like the twin boundary, but it is not a bond plane for the two martensite plates to meet with each other.
两叶片的结合部位类似于孪晶界，不是两个马氏体片相遇的接触部位。
There are different direction twins in its casting structures, and parallel second twins emerge in one big twin where micro cracks appear along twin boundary.
铸态组织中存在不同位向的孪晶，大孪晶中有许多平行的二次孪晶，沿孪晶界诱发微裂纹；
The transcendental equation for ferrite phase shifters in rectangular wave guide has been obtained by applying twin slab model, Maxwell equations and boundary conditions.
首先利用双平板模型、麦氏方程组和边界条件推导矩形波导铁氧体移相器的超越方程。
An existence theorem of twin positive solutions is established for a nonlinear fourth-order two-point boundary value problem.
对于非线性四阶两点边值问题建立了一个孪生正解的存在定理。
The basic principles of the method are described, and some numerical examples of the radial cracks appearing at the boundary of twin, three and four circular holes are calculated.
文中阐明了这种复变应力函数迭加解法的基本原理，并用此方法计算了双孔、三孔和四孔边裂纹板的若干数值例子。
It is showed that twin dislocation is the activated step of the migration of twin-plane boundary during recrystallization.
指出，孪晶位错是再结晶过程中，孪晶界面迁移的激活台阶。
At the time of deformation reached 40%, the appearance of the crystal changed greatly: the size refined, boundary turned clear, second phase disappeared and twin crystal structure appeared.
变形量为40%时，轧板的晶粒形貌发生了显著变化，晶粒变得细小，晶界清晰，第二相完全消失，并出现孪晶组织。
At the time of deformation reached 40%, the appearance of the crystal changed greatly: the size refined, boundary turned clear, second phase disappeared and twin crystal structure appeared.
变形量为40%时，轧板的晶粒形貌发生了显著变化，晶粒变得细小，晶界清晰，第二相完全消失，并出现孪晶组织。
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