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composite is in-situ formed from the simultaneous reaction of Al melt with TiC and Ti2O3. With the increase of cold-pressing pressure from 10 MPa to 40 MPa, the pore size distribution of the preforms... into porous preform of TiO2, and Al2O3-TiAl3 composite may be in-situ formed from the reaction between Al and TiO2[4, 13]. Its reaction is: 13Al+3TiO2→3TiAl3+2Al2O3. Al2O3-TiAl3 composites fabricated......
between NiAl3 and Ni2Al3. The high temperature phases like NiAl and Ni3Al are also found at low temperature. The results indicate that the key driving force of in-situ reaction is not temperature, but the atom concentration. Key words: intermetallic compound; in-situ reaction; layered structure; back scattering photo CLC number: TG111.6 Document code: A 1 INTRODUCTION Most intermetallic......
Trans. Nonferrous Met. Soc. China 22(2012) 36-41 Microstructure and mechanism of in-situ Al2O3(p)/Al nano-composites synthesized by sonochemistry melt reaction CHEN Deng-bin1, ZHAO Yu-tao1, ZHU...; accepted 23 June 2011 Abstract: The Al2O3(p)/Al nano-composites were fabricated from Al-K2ZrF6-Na2B4O7 system by sonochemistry in situ reaction. The fabrication mechanisms, including high intensity......
as the alloying element. Therefore, in-situ weld-alloying/ plasma arc welding is expected to be a promising method for joining of SiCp/6061Al MMCs and is well worth studying further. 4 Conclusions 1... In-situ weld-alloying plasma arc welding of SiCp/Al MMC LEI Yu-cheng(雷玉成), YUAN Wei-jin(袁为进), CHEN Xi-zhang(陈希章), ZHU Fei(朱 飞), CHENG Xiao-nong(程晓农) School of Materials Science and Engineering......
attempts have been reported to fabricate Al3Ti/Al composites. QIN et al [9] prepared in-situ Al3Ti particles by globular Ti powers and Al alloy melt under ultrasonic vibration, and established the reaction... production cost in the traditional preparation method may be avoided. At the same time, the traditional in-situ reaction relies on the salt-molten as the reaction system [3], and there are few attempts......
in-situ melt reaction under high-energy ultrasonic field. The microstructure and wear properties of the composite were investigated by XRD, SEM and dry sliding testing. The results indicate that TiB2... and is insensitive to the applied loads of the dry sliding testing. Key words: TiB2/Al-30Si composite; in-situ melt reaction; high-energy ultrasonic field; wear properties 1 Introduction Al-Si alloys are widely......
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Tungsten nanoparticle-strengthened copper composite prepared by a sol–gel method and in-situ reactionTian-xing Lu1,Cun-guang Chen1,Zhi-meng Guo1,Pei Li1,Ming-xing Guo21. Institute for Advanced...="ChDivSummary">Tungsten nanoparticle-strengthened Cu composites were prepared from nanopowder synthesized by a sol–gel method and in-situ hydrogen reduction. The tungsten particles in the Cu matrix......