1) nanocrystalline material
纳米晶材料
1.
Compared with the normal materials with the same composition, nanocrystalline materials possess much higher strength but lower ductility.
纳米晶材料的强度远高于同成分的普通材料,而塑性却低于同成分的普通材料;纳米晶材料可在更低的温度、更高的应变速率下发生超塑性变形。
2.
The electrodepositing technology for preparing nanocrystalline materials is a process in which suitable technological conditions were controlled, and nanocrystalline composites with many excellent properties were obtained.
纳米晶材料电沉积工艺是在传统电沉积工艺的基础上,通过控制适当的工艺条件,最终获得具有各种性能的纳米晶电沉积层的过程。
3.
A variety of methods for preparing nanocrystalline materials is discussed.
介绍了软化学制备纳米晶材料的各种制备方法及其优缺点。
2) nanocrystalline materials
纳米晶材料
1.
The electrochemical methods,such as DC,pulse,composite,jet,ultrasonic and brush electrodeposition and their mechanisms for preparation of nanocrystalline materials are described.
介绍了用电沉积技术制备纳米晶材料的方法和机理,如直流电沉积、脉冲电沉积、复合电沉积、喷射电沉积、超声波电沉积和刷镀,展望了电沉积纳米晶材料的应用前景。
2.
The grain growth of nanocrystalline materials is reviewed,the isothermal grain growth kinetic theory of nanocrystalline materials is also addressed.
本文综述了纳米晶材料晶粒长大的研究进展,简述了纳米晶材料晶粒长大的等温动力学理论,讨论了溶质原子、孔洞、第二相粒子和微观应变对纳米晶材料晶粒长大的影响。
3.
The characteristics of nanocrystalline materials were overviewed as well as its preparation principles and methods.
综述了纳米晶的特点,纳米晶材料电沉积制备的原理和方法,介绍了电沉积纳米晶镍及镍基材料的硬度、拉伸性能、应力、耐磨、耐蚀性及热稳定性等性能研究及其应用现状。
3) amorphous & nanocrystalline
非晶纳米晶材料
1.
The current industrial situation of amorphous & nanocrystalline alloy made by rapidly quenching technology is introduced, including the recent research, development and application in this field.
介绍了国内外利用快淬技术制备非晶纳米晶合金材料的产业现状以及这一领域材料工艺技术的研究开发动态和非晶纳米晶材料的应用情况。
4) nanocrystalline material
纳米晶体材料
1.
Review on the constitutive modeling study of nanocrystalline materials;
纳米晶体材料的本构模型研究进展
2.
In this paper, the last research progress in the mechanical properties of nanocrystalline materials and carbon nanotubes is reviewed.
综述了纳米晶体材料和纳米碳管材料的力学性能研究的最新进展。
3.
It was indicated that the strength or hardness of nanocrystalline materials depends on the interfacial defective structure, the interfacial excess energy and the interfacial excess free volume.
本文综述了纳米晶体材料力学性能如屈服应力、显微硬度的研究，尤其是偏离正常Ｈａｌｌ－Ｐｅｔｃｈ关系的现象及几种解释这种反常效应的模型。
5) nanocrystalline soft magnetic material
纳米晶软磁材料
1.
Neutron diffraction is performed on samples of the nanocrystalline soft magnetic material Fe 73.
用中子衍射技术研究了 3种不同热处理温度下形成的纳米晶软磁材料Fe73 。
6) nanocrystalline materials
纳米晶体材料
1.
Metal nanocrystalline materials often exhibit high microhardness and high strength which correlate with the flaw sizes,cleanliness of surface and residual stress.
金属纳米晶体材料普遍表现出高强度和高硬度的特点,但硬度值和强度值的大小与纳米晶体材料的缺陷尺寸、表面清洁度及内应力的状态有关。
2.
Polycrystalline materials with grains sizes in the nanometer region (typically less than 100 nm), termed nanocrystalline materials, have been intensively investigated in the past several years.
本文综述国内外在纳米晶体材料研究领域的最新研究进展，包括纳水晶体材料的制备、微观结构特证、热稳定性、结构性能关系及纳米品体材料的应
补充资料：铁酸锌纳米晶体材料
分子式： ZnFe2O4
CAS号：
性质：具有纳米尺度的晶体材料。不同熔烧温度(300～700℃)，可得不同粒径(10～60nm)的铁酸锌材料。采用硫酸亚铁和硫酸锌混合，制得碱式碳酸盐前驱体，然后直接焙烧制备出铁酸锌纳米晶体材料。铁酸锌是性能优良的软磁材料、丁烯氧化脱氢的催化剂，具有很高的光催化活性及对可见光敏感的半导体催化剂。铁酸锌纳米晶体粒子是性能优良的透明无机颜料。
CAS号：
性质：具有纳米尺度的晶体材料。不同熔烧温度(300～700℃)，可得不同粒径(10～60nm)的铁酸锌材料。采用硫酸亚铁和硫酸锌混合，制得碱式碳酸盐前驱体，然后直接焙烧制备出铁酸锌纳米晶体材料。铁酸锌是性能优良的软磁材料、丁烯氧化脱氢的催化剂，具有很高的光催化活性及对可见光敏感的半导体催化剂。铁酸锌纳米晶体粒子是性能优良的透明无机颜料。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条