1) precursor infiltration and pyrolysis
先驱体浸渍裂解
1.
2D Cf/SiC composites were prepared by precursor infiltration and pyrolysis(PIP).
以先驱体浸渍裂解(PIP)工艺制备了2DCf/SiC复合材料,研究了低温裂解工艺(裂解温度低于1000℃)对2DCf/SiC复合材料结构和性能的影响,为Cf/SiC复合材料的低温制备探索可行之路。
2.
WT5BZ]Three-dimensional braided T300 carbon fiber reinforced silicon carbide(3D C_f/SiC) composites were fabricated via polycarbosilane (PCS) precursor infiltration and pyrolysis processing.
以聚碳硅烷先驱体浸渍裂解工艺制备T300碳纤维增强3DCf/SiC复合材料,研究了T300碳纤维预先热处理对材料性能的影响。
3.
Threedimensional braided carbon fiber reinforced silicon carbide(3DB Cf/SiC) composites were fabricated via polycarbosilane (PCS) precursor infiltration and pyrolysis processing assisted by hotpressing.
以聚碳硅烷为先驱体,采用热模压辅助先驱体浸渍裂解工艺制备3D-BCf/SiC复合材料,研究了热模压辅助对3D-BCf/SiC复合材料致密度和力学性能的影响。
2) precursor infiltration pyrolysis
先驱体浸渍裂解
3) precursor-infiltration-pyrolysis
先驱体浸渍裂解
1.
SiC fillers were introduced into carbon fiber preform by vacuum infiltration in order to shorten the fabrication cycles of three-dimensional braided carbon fiber preform (3D-B C_(f)) reinforced SiC ceramic matrix composites by precursor-infiltration-pyrolysis (PIP).
采用真空浸渍法在碳纤维编织物中预先引入SiC微粉,以缩短先驱体浸渍裂解制备碳纤维三维编织物(3D BCf)增强SiC陶瓷基复合材料的制备周期,考察了微粉粒度、浆料SiC/无水乙醇(EtOH)质量比等参数对引入SiC微粉体积分数的影响。
2.
SiC fillers were introduced into three-dimensional braided carbon fiber preform((3D-BC_f)) by ultrasonic infiltration in order to shorten the fabrication cycles of C_f/SiC composites through precursor-infiltration-pyrolysis (PIP).
为缩短先驱体浸渍裂解制备炭纤维三维编织物(3D-BCf)增强SiC陶瓷基复合材料的工艺周期,在3D-BCf中采用超声浸渍法预先引入SiC微粉。
4) precursor infiltration and pyrolysis
先驱体浸渍-裂解
1.
Two composites with a BN-Si_(3)N_(4) matrix reinforced by the two carbon fibers were prepared by precursor infiltration and pyrolysis method,and the mechanical properties and microstructures of the composites were investigated through comparison.
分别以两种碳纤维编织件为增强体,采用先驱体浸渍-裂解(PIP)工艺制备了Cf/BN-Si3N4复合材料,并对其力学性能和微观结构进行分析。
2.
Effects of cycles on the properties of carbon fiber reinforced BN-Si_3N_4 composites prepared by precursor infiltration and pyrolysis;
以自合成的硼吖嗪(borazine)和全氢聚硅氮烷(perhydropolysilazane,PHPS)组成的混杂先驱体为原料,采用先驱体浸渍-裂解(PIP)工艺制备3D C_f/BN-Si_3N_4复合材料,研究了PIP工艺循环次数对复合材料的力学性能和烧蚀性能的影响。
5) precursor infiltration pyrolysis(PIP)
先驱体浸渍-裂解工艺
6) polymer infiltration and pyrolysis
前驱体浸渍裂解
1.
SiC_f/SiC composites were fabricated by a polymer infiltration and pyrolysis process using 2.
5D SiC纤维预制件,通过前驱体浸渍裂解法(PIP法)制备SiC_f/SiC复合材料,通过在第一次浸渍浆料中加入活性Al粉和惰性颗粒SiC粉来提高浸渍效率。
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。
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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参考词条