我们绘制了该晶体的结构投影图和孪晶结构示意图。
The projection of KPB crystal structure and schematic diagram of twinning structure have been drawn.
孪晶结构的形成依靠堆垛层错的滑移运动而形核和扩展。
The formation of twin structure depends on the slip of stacking fault for nucleating and extending.
采用同步辐射形貌术结合化学腐蚀法，系统研究了NYAB和NGAB晶体中的孪晶结构。
The twins in NYAB and NGAB crystals were investigated by synchrotron radiation topography and chemical etching method.
孪晶的精细结构为位错；
组元中马氏体的精细结构为孪晶亚结构。
Fine structure of martensite in M-A constituents is twin sub structure.
熔化区和固态相变区硬化相组织极为细小，马氏体呈微细针状，具有孪晶亚结构。
It is found that the structure of the hardened phase in melting and transformation zone is very tiny, the martensite appears to be tiny acicular and possesses twin substructure.
利用透射电子显微镜，对液氮温度下动态塑性形变法(LNT -DPD)制备的块体纳米孪晶铜在不同形变量下的微观结构演变进行了研究。
Microstructural feature and evolution of nano-twin bulk Cu specimens produced by means of dynamic plastic deformation at liquid nitrogen temperature (LNT-DPD) have been studied using tem.
对火焰法合成金刚石薄膜的晶体生长方式、结晶习性、孪晶、聚晶以及显微结构进行研究和分析，可为火焰法合成金刚石薄膜提供理论基础。
The authors study the properties mentioned above, analyse the microstructure and provide some theories about growth diamond films by combustion flame method in the paper.
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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