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1)  pre-ceramic
有机硅先驱体
2)  organic gel-polymer derived process
有机凝胶先驱体转化法
1.
CoNi alloy fine fibers had been successfully prepared by the organic gel-polymer derived process from the raw materials of critic acid and metal salts.
本文以柠檬酸和金属盐为原料,采用有机凝胶先驱体转化法成功制备了CoNi合金微细纤维。
2.
The spinel type MnFe2O4ferrite fibers are successfully prepared by the organic gel-polymer derived process from raw materials of metal salts and citric acid.
以柠檬酸和金属盐为原料,采用有机凝胶先驱体转化法成功制备出了纳米晶MnFe2O4铁氧体纤维。
3)  Organic gel precursor transformation method
有机凝胶先驱体转化法
1.
The hollow M-type barium ferrite fibers were successfully prepared by the organic gel precursor transformation method from the raw materials of citric acid,lactic acid and their metal salts.
以柠檬酸、乳酸和金属硝酸盐为原料,采用有机凝胶先驱体转化法制备了中空M型(BaFe12O19)纤维。
4)  polyearbosilane precurser
聚碳硅烷先驱体
5)  inorganic precursors
无机盐先驱体
6)  organic precursor
有机前驱体
1.
In this paper, Si3N4/SiC composite ceramics were prepared from two different raw materials with nano-SiC particles or organic precursor.
本研究通过采用纳米SiC粉体及有机前驱体两种途径,制备了Si3N4/SiC粒子(Si3N4/纳米SiC)复相陶瓷,研究了纳米SiC对SiN/SiC复相陶瓷性能及显微结构的影响,讨论了材料强化的机制与显微结构的关系。
2.
Two types of Si_3N_4/SiC nano-composites were prepared by means of organic precursor as raw material which was pyrolyzed and sintered under certain conditions.
本研究采用有机前驱体为主要原料,通过热解及烧结制备了两类Si_3N_4/SiC纳米复相陶瓷,研究了这些材料的显微结构特点,讨论了材料强化的机制及力学性能与显微结构的关系。
补充资料:先驱体法碳化硅纤维增强铝基复合材料
分子式:
CAS号:

性质:一种连续纤维增强金属基复合材料。有不含钛(商品名称Nicalon)和含钛(商品名称Tyranno)两种纺丝碳化硅纤维,与铝复合后一般含纤维40%(体积)左右,单向增强时纵向拉伸强度约为700~1000MPa,模量95~120GPa,密度约2.6g/cm3。主要的制造方法为各种液态渗透工艺。为了促进与铝的浸润,常用的制造方法是在超声波的作用下用连续铸造法先制成复合丝,然后再将复合丝热压成各种制品。也可以直接用压力铸造工艺制成各种零件。由于纺丝碳化硅纤维直径细,柔曲性好,此便于制造形状比较复杂的零件。

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