说明大量的孪晶变形、孪晶和位错之间的交互作用是高锰钢产生应变硬化的主要原因。
It is conclusion that the deformation of twins and the interaction between twins and dislocation are the main…
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.
用透射电子显微镜（TEM）对密排六方多晶钛在拉伸变形中形成的孪晶进行了观察分析。
The twin formed in tension of HCP polycrystalline titanium was observed by means of TEM.
采用扫描电镜、透射电镜对TWIP钢的拉伸变形过程中的孪晶进行了观察。
The microstructure of Twinning Induced Plasticity (TWIP) steel during tensile deformation was investigated with SEM and TEM.
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。
When the tensile load is not perpendicular to the twin boundary, the yield stress decreases and the deformation is mainly detwinning.
当冷变形率在20%左右时，出现变形孪晶，使得合金强度有大幅度提高。
During cold drawing, the alloy exhibited excellent workability. Deformation twins appeared when the reduction of cold deformation was around 20%.
在拉伸过程中，具有退火孪晶的晶粒内部首先发生变形，产生的变形孪晶遗传了退火孪晶的取向。
On the deformation process the annealing twins transform into deformation twins, which is TWIP effect, and so th.
在拉伸过程中，具有退火孪晶的晶粒内部首先发生变形，产生的变形孪晶遗传了退火孪晶的取向。
The results show that there are 60% annealing twins in TWIP steel before deformation and 32% deformed twins after deformation.
结果表明，随着亚温淬火温度的升高，双相组织中马氏体的亚结构由孪晶型变成位错型，两相的变形能力和拉拔性能都得到改善。
Mecrostructure and mechanical properties of 20SiMnTi steel have been studied and analyzed when treated by different heat treatment process, by changing the sub-critical quenching temperatures.
结果表明，随着亚温淬火温度的升高，双相组织中马氏体的亚结构由孪晶型变成位错型，两相的变形能力和拉拔性能都得到改善。
Mecrostructure and mechanical properties of 20SiMnTi steel have been studied and analyzed when treated by different heat treatment process, by changing the sub-critical quenching temperatures.
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