It is mainly because that dislocation slides easily within large twin crystal, which leads to the decrease of strength and the increase in plasticity.
主要是位错在大孪晶中易于移动，从而造成强度下降，塑性提高。
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。
The selected area electron diffraction (SAED) pattern of the twin was indexed by transforming matrix of hexagon crystal twin plan.
并采用六方晶系孪晶面的变换矩阵对孪晶电子衍射花样进行了标定。
The results indicate that a stable and suitable thermal field, the transparence of B_2O_3, doping quantity are important conditions for growth of twin-free InP crystal.
实验证明，建立一个稳定合适的热场、保持b_2o_3的透明度、控制好掺杂量等是减少孪晶的必要条件。
The cause may be related to the twin structure of KTP crystal.
产生原因可能与其双晶结构有关。
The MD (Molecular dynamics) method is used to investigate the he (Hydrogen Embrittlement) fracture of single-crystal and twin-crystal aluminum under tension.
采用分子动力学方法模拟了铝单晶、双晶及其含氢模型在拉伸条件下的力学特性。
Based on this realization, we propose that the hsianghualite morphology published before is not a single crystal morphology but a twin. This realization i…
这对深入认识晶体形态及晶体对称理论、 澄清长期以来人们并没有足够重视的一些基本概念有重要意义。
Based on this realization, we propose that the hsianghualite morphology published before is not a single crystal morphology but a twin. This realization i…
这对深入认识晶体形态及晶体对称理论、 澄清长期以来人们并没有足够重视的一些基本概念有重要意义。
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