the National Natural Science Foundation of China(No.51865012);the Natural Science Foundation of Jiangxi Province,China(No.20202BABL204040);the Open Foundation of National Engineering Research Center of Near-net-shape Forming for Metallic Materials,China(No.2016005);the Science Foundation of Educational Department of Jiangxi Province,China(No.GJJ170372);the GF Basic Scientific Research Project,China(No.JCKY2020205C002);the Civil Population Supporting Planning and Development Project,China(No.JPPT125GH038).
A novel micro-nano Ti−10Cu−10Ni−8Al−8Nb−4Zr−1.5Hf filler was used to vacuum braze Ti−47Al−2Nb−2Cr−0.15B alloy at 1160−1220℃ for 30 min.The interfacial microstructure and formation mechanism of TiAl joints and the rel...
Project(51865012)supported by the National Natural Science Foundation of China;Project(20202BABL204040)supported by the Natural Science Foundation of Jiangxi Province,China;Project(2016005)supported by the Open Foundation of National Engineering Research Center of Near-net-shape Forming for Metallic Materials,China;Project(GJJ170372)supported by the Science Foundation of Educational Department of Jiangxi Province,China;Project(JCKY2016603C003)supported by the GF Basic Research Project,China;Project(JPPT125GH038)supported by the Research Project of Special Furnishment and Part,China。
The influence of brazing temperature and brazing time on the microstructure and shear strength ofγ-TiAl/GH536 joints brazed with Ti-Zr-Cu-Ni-Fe-Co-Mo filler was investigated using SEM,EDS,XRD and universal testing ma...
Projects(51201134,51271147)supported by the National Natural Science Foundation of China;Project(2015JM5181)supported by the Natural Science Foundation of Shaanxi Province,China;Project(115-QP-2014)supported by the Research Fund of the State Key Laboratory of Solidification Processing(NWPU),China;Project(3102014JCQ01023)supported by the Fundamental Research Funds for the Central Universities,China
C/Mo duplex coating interfacially modified SiC fiber-reinforced γ-TiAl matrix composite (SiCf/C/Mo/γ-TiA1) was prepared by foil-fiber-foil method to investigate its interfacial modification effect. SiCf/C/TiAl com...
Project(51201147)supported by the National Natural Science Foundation of China;Project(14JJ6016)supported by the Natural Science Foundation of Hunan Province,China;Project(INFO-115-B01)supported by the Informalization Construction Project of Chinese Academy of Sciences,China
Molecular dynamics(MD) simulations were carried out to study the fracture behaviors of several symmetric tilt grain boundaries in γ-Ti Al bicrystals with <110> misorientation axes. Tensile deformation along direction...
Project (50771041) supported by the National Natural Science Foundation of China;Project (05-0350) supported by the New Century Excellent Talents in University, China
A 0.7 mm-thick wavy γ-TiAl sheet with fully lamellar microstructure was fabricated by hot pressing Ti/Al alternate foils with heat treatment of 640 °C, 15 h+850 °C, 35 h+1350 °C, 2 h. The intermetallic compounds...
A γ-TiAl alloy with nominal composition of Ti-47%Al(molar fraction) was directionally solidified in an alumina mould with an Y2O3 protective coating.The effects of processing parameters(melting temperature and int...