在真空电炉中利用机械合金化和热压烧结法制备出纳米晶块体钨铜合金。
Nanostructured bulk of W-Cu alloy was prepared by mechanical alloying and hot pressed sintering.
本发明所述的非晶纳米晶块体磁元件的制备方法,依次包括如下步骤:将非晶薄带裁剪成合适的尺寸;
The steps of the preparation method of the non-crystal nanometer crystalloid magnetic piece are: cuts the non-crystal thin strap in an appropriate size;
然而,纳米硬质合金粉末烧结过程中WC晶粒的快速长大行为使得难于获得真正意义上的纳米晶硬质合金块体材料。
However, the rapid intrinsic growth characteristic of nanometer WC grain during sintering process lead nano-grained cemented carbides with excellent mechanical performances is not acquired.
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.
相比较钙钛矿块体膜材料,这些钙钛矿纳米晶表现出约两个数量级长的热载流子冷却时间,和约四倍高的热载流子温度。
These perovskitenanocrystals exhibit around two orders slower hot-carrier cooling times andaround four times larger hot-carrier temperatures than their perovskitebulk-film counterparts.
本发明通过非晶基体上原位析出纳米晶改善了锆基块状非晶合金的塑性,拓展了锆基块体非晶合金材料的应用空间。
The invention improves the plastic strain of zirconium block nanometer crystal amorphous alloy through precipitation of nanometer crystal, and widens its application space.
研究结果表明,采用射流电铸快速成型技术可直接成型纳米晶金属零件和三维大块体纳米晶材料。
The result shows that nanocrystalline metal parts and dimensional bulk nanocrystalline metal materials can be fabricated rapidly by the technology of rapid prototyping oriented jet electroforming.
概述了电沉积法制备块体纳米晶材料的国内外研究现状;
The research status of bulk nanocrystalline materials prepared by electrodeposition at home and abroad is summarized.
概述了电沉积法制备块体纳米晶材料的国内外研究现状;
The research status of bulk nanocrystalline materials prepared by electrodeposition at home and abroad is summarized.
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