co-supported by the Science Center for Gas Turbine Project,China(No.P2022-AB-IV-001-002)and the National Natural Science Foundation of China(No.91960203);the Fundamental Research Funds for the Central Universities(No.D5000230048);and the Innovation Capability Support Program of Shaanxi(No.2022TD-60);The authors wish to thankfully acknowledge Zhuzhou Cemented Carbide Cutting Tools Co.,Ltd.for providing cutting tools for our experiments.
Superior strength and high-temperature performance make γ-TiAl vital for lightweight aero-engines. However, its inherent brittleness poses machining problems. This study employed Elliptical Ultrasonic Vibration Milli...
the Jihua Laboratory Scientific Research Project(No.X210291TL210);the National Natural Science Foundation of China(No.51971215).
The high strength and stability of the full-lamellar structure guarantee the industrial application of theβ-solidifyingγ-TiAl alloys.However,it is a huge challenge to design an alloy with good hot-deformability as w...
financially supported by the National Natural Science Foundation of China(Nos.92160301,92060203,52175415 and 52205475);the Science Center for Gas Turbine Project(Nos.P2022-AB-IV-002-001 and P2023-B-IV-003-001);the Natural Science Foundation of Jiangsu Province(No.BK20210295);the Superior Postdoctoral Project of Jiangsu Province(No.2022ZB215);the National Key Laboratory of Science and Technology on Helicopter Transmission(Nanjing University of Aeronautics and Astronautics)(No.HTL-A-22G12);the Postgraduate Research&Practice Innovation Program of Jiangsu Province(KYCX23-0355);the China Postdoctoral Science Foundation(No.2023T160315);the Interdisciplinary Innovation Fund for Doctoral Students of Nanjing University of Aeronautics and Astronautics(KXKCXJJ202305).
Gamma titanium-aluminum(γ-TiAl)intermetallic compounds are increasingly used in manufacturing key hot-end components(e.g.,blade tenon)in aero engines due to their high specific strength and lightweight properties.Cre...
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...