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中文摘要：
采用超重力场反应加工技术,通过陶瓷-钛合金之间熔化连接与原子互扩散,制备出TiB2基凝固陶瓷—Ti-6Al-4V层状复合材料。XRD、FESEM及EDS分析发现,正是作为陶瓷基体相的TiB2片晶(或板晶)可诱发强烈的自增韧机制,使TiC-TiB2细晶凝固陶瓷具有高的弯曲强度与断裂韧性,并且也正是因在超重力场反应加工引发的热真空环境下钛合金与液态陶瓷发生熔化连接与原子互扩散,进而在凝固后期相继诱发TiB2与Ti液的包晶反应、TiB自钛液的析晶反应及TiB与钛液的共晶反应,最终实现以TiB2、TiB尺寸与分布为特征的陶瓷—钛合金多尺度(微米—亚微米—微纳米)多层次(TiC/TiB2—TiC1-x/TiB/TiB2—TiB2/Ti/TiC1-x/TiB—TiB2/TiC1-x/TiB/Ti—TiB/TiC1-x/Ti—TiC1-x/Ti—Ti)复合。
同期刊论文项目
同项目期刊论文
Microstructures and Properties of TiC-TiB2 Composites Prepared by Combustion Synthesis in Enhanced H
Melt Modification and Microstructure Homogeneity of Solidified TiC-TiB2 Composites Prepared by Combu
Preparation and Properties of Solidified TiC-TiB2 with Hypoeutectic, Eutectic and Hypereutectic Micr
Fusing Joining and Composite Forming of Solidified TiC-TiB2 Ceramic with Stainless Steel and Ti-6Al-
The Influence of Steel Cover Thickness on Ballistic Performance of Confined TiC-TiB2 Ceramic Tiles A
Layered Composite of TiC-TiB2 to Ti-6Al-4V in Graded Composition by Combustion Synthesis in High-gra
Composition Modification and Mechanical Properties of Solidified TiB2-based Ceramic Prepared by Comb
Multiscale and Multilevel Composite of Solidified TiC-TiB2 with Ti-6Al-4V Achieved by Fusion Bonding
Microstructure Homogeneity, Crack Propagation and Self-Toughening of Solidified TiC-TiB2 Composite P
TiC-TiB2 Coating on Ti-6Al-4V alloy Substrate in Graded Composition Achieved by Fusion bonding and A
Ballistic Performance of TiC-TiB2 Composite Armour under the Impact of Long-Rod Tungsten alloy Proje
Ceramic Coating of TiC-TiB2 on 1Cr18Ni9Ti Substrate Achieved by Combustion Synthesis in High-gravity
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